[go: up one dir, main page]

WO2012017420A2 - Appareil portatif à autonomie énergétique améliorée - Google Patents

Appareil portatif à autonomie énergétique améliorée Download PDF

Info

Publication number
WO2012017420A2
WO2012017420A2 PCT/IB2011/053514 IB2011053514W WO2012017420A2 WO 2012017420 A2 WO2012017420 A2 WO 2012017420A2 IB 2011053514 W IB2011053514 W IB 2011053514W WO 2012017420 A2 WO2012017420 A2 WO 2012017420A2
Authority
WO
WIPO (PCT)
Prior art keywords
energy
transducer
converter
convert
output signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2011/053514
Other languages
German (de)
English (en)
Other versions
WO2012017420A3 (fr
Inventor
Christoph BÜCHEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP11761135.0A priority Critical patent/EP2601725A2/fr
Publication of WO2012017420A2 publication Critical patent/WO2012017420A2/fr
Publication of WO2012017420A3 publication Critical patent/WO2012017420A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply

Definitions

  • the present invention relates to the field of power supply of devices. It relates in particular to a portable device and a method for producing such a device according to the preamble of the independent claims.
  • Portable electronic devices require at a Be ⁇ drive electrical energy. This is generally provided by one or more also portable energy storage devices that is / are fixedly or separably connected to the device.
  • portable electronic devices are portable communication devices, in particular mobile telephones or wireless telephones, sound recording devices, CD, DVD, and media players (audio and video playback devices, in particular MP3 players), portable game consoles and televisions, external hard drives, photographic devices. and video cameras, navigation devices, etc.
  • portable computers eg laptops
  • PDAs personal di ⁇ gital assistant
  • Letz ⁇ tere are sometimes also called “Pocket PC” or "handheld” be ⁇
  • the battery After emptying an energy storage device, the battery is generally either replaced or recharged.
  • rechargeable energy storage systems For ecological and practical reasons, increasingly rechargeable energy storage systems are being used.
  • accumulators usually called batteries for short, are used.
  • Rechargeable fuel cells or capacitors are also used, the latter in particular in devices with a relatively low energy requirement.
  • a large part of the required electrical energy is used to generate at a normal use signals that allow communication of the devices with an environment, especially a user. This is generally done using one or more transducers which convert the electrical energy into energy of a second form.
  • transducers are used, for example, in the form of or in conjunction with a loudspeaker , a screen display, an antenna or the like and convert the electrical energy into acoustic energy, light energy, microwave energy and so on.
  • the intended functions include - in addition to the nominal function and generally one or more of enumerated in the preceding paragraph functions - usually also partial or additional functions that are often implemented as turn on or off options for a normal function. Examples of such options for photo and Videoauf ⁇ drawing functions are image stabilizer functions as in the Wikipedia article
  • a converter which converts energy of a first form, in particular electrical energy, into energy of a second form, or vice versa is configured so that it can deliver energy of the first form in a charging mode and transmit it to the device for can supply a supply of energy when used as intended.
  • the converter is suitable for generating an output signal, which is required in particular for at least one intended function of the device, by conversion between energy of the first form and energy of the second form.
  • the device is portable.
  • the latter comprises at least one converter for converting between energy of the first form and at least one second form of energy or vice versa, which is necessary for the provision of at least one intended function of the device.
  • the device so that the at least one transducer converts in a Lademo ⁇ dus energy of the second form into energy of the first form and may issue, so that the radiation emitted by the wall ⁇ ler in charge mode energy of the first form of a supply Device with energy can be supplied to this.
  • the portable device which requires energy of a first form during operation, this comprises at least one converter which is suitable for converting energy of a second form into energy of the first form in a charging mode and these leave; wherein the energy of the first form emitted by the at least one converter in the charging mode can be supplied to a power supply of the device.
  • the converter has a further function which is not associated with a power supply of the device per se.
  • at least one intended function of the device is implemented using the converter.
  • the at least one transducer is preferably capable of energy of the first form, in particular electrical energy, convert energy in the form of electromag ⁇ -magnetic waves, light energy, mechanical energy, kinetic energy and / or rotational energy into electromagnetic field energy or vice versa ⁇ .
  • the at least one converter is suitable, optionally, for example in dependence on a switching signal, or at the same time to carry out conversions in both directions.
  • transducer required for the intended use of the device to power the device allows prolonging the life of the device or, under favorable circumstances, even completely autonomous operation with no significant effect on size, weight or manufacturing costs.
  • fixed or detachably connected with the device min ⁇ least a rechargeable primary energy storage, wherein the output from the transducer in the charging mode energy can be fed so that it can be stored and removed at a later time.
  • a loudspeaker is provided as transducer, which converts electrical energy into sound energy when the device is used in accordance with its intended purpose, in order to detect an acoustic signal perceptible to a user, for example in the form of a voice, sound or sound To produce music signal. If the speaker is not required to produce a signal, is formed at a meeting on ⁇ sound waves to them due to induction of an electrical voltage between a first and second electrical connection thereof. This electrical voltage can be Tar ⁇ attacks and drive a current flow and thus used to supply a consumer, in particular the device itself, with electrical energy.
  • an antenna which is required when used as intended in particular a mobile telephone to order, ER of an electric power elec ⁇ tromagneticians signal, in particular an antenna signal can testify, which - for example, a remote Basisstati ⁇ on - a communication with a conversation partner or a data exchange with a data service or a server or other computer allows, can be used in a device according to the invention.
  • electromagnetic field energy is absorbed and thereby generates a tension ⁇ voltage which can be tapped in the charging mode from the antenna.
  • light emitting semiconductor devices insbeson ⁇ particular LEDs ( “light emitting diode”) can be used advantageously in a similar manner as the transducer in an inventive device use.
  • Individual LEDs are widely used in portable electronic devices used as status indicators operating state a Be ⁇ the device of the same or of parts to be signaled ⁇ Sieren.
  • LED displays which allow generation of complex visual signals.
  • liquid crystal displays or screens which are illuminated from a rear side with LEDs, and a video and / or can produce or represent video signal.
  • produce LEDs under light incidence a clamping ⁇ voltage and can deliver electrical ⁇ specific energy to a solar cell, which are supplied to the device in which the LED or LEDs are used, therefore, in analogy See also the Wikipedia articles
  • LED backlit screens are due to a relatively large surface area capable of special ⁇ DERS take much light energy when exposed to light. Thus, they are also able to deliver a lot of electrical energy, and therefore can be particularly advantageous in a device according to the invention. be set.
  • converter units which ⁇ add ver of movable, in particular rotatable components, for example a hard disk, is provided.
  • these units convert electrical energy, in particular by means of a motor, into kinetic energy, for example rotational energy, in order to cause one or more magnetizable plates in the hard disk to rotate. This rotation is required so that data can be read from different locations of the magnetizable plates and thus a time-varying data signal can be generated.
  • the unit is not used as intended - for example, if data is not written to or read from the hard disk - a rotational energy absorbed by the magnetizable disks due to accelerated movement of the portable equipment may be converted by the engine into electrical energy and delivered to the equipment become.
  • the engine acts as a dynamo.
  • an existing in the hard drive ⁇ ner, rotatably mounted and motorized arm can be used, are mounted on which read / write heads of the hard disk.
  • optical image stabilizers which are used in particular in cameras with photo or video recording function, have movable elements which are accelerated at a ⁇ befitting operation under conversion of electrical energy into kinetic energy, and can thus with advantage as a converter be used in a device according to the invention.
  • a motor in particular an ultrasound motor
  • ultrasonic motors are preferably used for this, as for example in the Wikipedia article
  • Over moving elements further have vibrating elements which are used to be able to produce a vibration signal in a determination ⁇ proper use of the device, and so to enable a portion of the device surface or the entire device to vibrate.
  • Vibration elements are preferably formed by a rotary motor, which is fixedly connected to a mass element which has an imbalance, for example an eccentric. But it can also be used piezoelectric elements short piezo elements to enable a Mas ⁇ senelement vibrate.
  • the aforementioned movable elements or vibrating elements can absorb energy, convert it to electrical energy and deliver it to the device.
  • the transducers described above are required to convert the intended use of the device electrical energy into energy of a second form.
  • they preferably generate an output signal from an electrical input signal while consuming electrical energy, in particular an acoustic, haptic, optical or electromagnetic output signal.
  • the signals are generally complex signals, in particular audio, image, video, or because ⁇ tensignale which allow an interaction or communication of the device with an environment, in particular a user, user or other device.
  • an energy conversion takes place in an opposite direction, ie energy of the second form, in particular from the environment, is taken up and converted into electrical energy.
  • Converters configured in this way are referred to below as bidirectional converters.
  • an inventive device also or exclu ⁇ Lich converter having, in which the energy conversion in the charge mode in the same direction is carried out as in beticiansge ⁇ MAESSEN use.
  • Converters used in this way are referred to below as unidirectional converters. These are used in the intended use of the device, for example, to convert input signals from the environment, in particular akus ⁇ tables or optical signals or data or command signals, which come for example from a user, user or other device, into an electrical output signal.
  • the electrical output signal can be generated while consuming electrical energy; advantageously the input signal energy can also exclu ⁇ Lich be removed.
  • the electrical output signal is processed in the device, inter preted ⁇ , stored and / or transmitted.
  • the output signal of a unidirectional transducer preferably using a bidirectional transducer, is again converted into a-generally modified and / or delayed-output signal.
  • CMOS sensors are used as unidirectional transducer in a device according to the invention.
  • image sensors are required to convert light energy into electrical energy and thus to produce an image signal which can be stored by the support ⁇ cash device and / or transmitted.
  • the image sensors can also be operated in a charging mode as a photocell and emit electrical energy.
  • a microphone is provided as the transducer which, when the device is used as intended, consists of sound energy generates an electrical output signal which is required for various intended functions of electrical appliances.
  • the microphone can also emit electrical energy in a charging mode and make it available to the device.
  • the inventive device in a further preferred development of the inventive device are as converter further touch or pressure-sensitive elements, in particular keyboards, joysticks, touch pads or touch screens, which generally requires who, ⁇ to enter on a device data or instructions to used to give energy in a charging mode and to supply the device for the purpose of supplying energy.
  • Particularly suitable are piezo elements, which are used in particular in keyboards or in certain touchscreen designs.
  • one or more piezoelectric elements are required to produce a voltage or a surge in contact or pressure, by means of which it can be determined whether or where a touch or a pressure has occurred, or which key was pressed.
  • La ⁇ mode the voltage generated by contact or pressure is used to provide the device with electrical energy.
  • acceleration sensors for example, control devices, which preferably have a mass element which is accelerated during a movement or in rotation, and generates a voltage or a current, preferably by induction or by means of piezoelectric effect.
  • one or more unidirectional and / or one or more bi-directional converter is provided, each of which is suitable, withdrawals ⁇ ben in a charging mode energy of the first form.
  • transducers are provided which, in addition to or instead of energy of the second form, also supply energy of a further form into energy of the first form.
  • the device can be designed so that this only energy from one or more transducers is fed in charging mode when the Ge ⁇ advises is not used as intended, that is, when no is ⁇ ner purposed functions used is.
  • the device is advantageous but designed to pass over or in the state of charge during a limited hours ⁇ tion of normal use, so while using at least ei ⁇ ner the purposed features of the device, those transformers, which are not required for the currently used-intended function be transferred and can give energy to the device.
  • those transformers which are not required for the currently used-intended function be transferred and can give energy to the device.
  • unidirectional transducers be ⁇ atmospheric proper operation and charging mode can also be superimposed. In this case, only a portion of the energy converted by the converter first form for the intended function verwen ⁇ det; an excess energy first form, however, kill ⁇ give and fed to the device.
  • This can be advantageously realized with wall ⁇ learning, which are particularly sensitive and / or particularly efficient convert energy second form into energy first form.
  • a mode with low sensitivity is advantageously provided, in which the transducer serves both the intended function and a delivery of electrical energy.
  • This can be particularly advantageous in controlling devices, used in particular motion sensi ⁇ tive controllers, joysticks, or a so-called track ball for game consoles, which HEF ⁇ term movements or accelerations need to be exposed to the successful control of a game program executed on the console part. Since relatively large amounts of kinetic energy are supplied in this way, converters which are able to convert them into electrical energy can supply the device with energy so efficiently.
  • the output from a transducer in charge mode energy can be fed directly to the device to announce clearl ⁇ term usage, where optionally an intermediate storage in a secondary energy storage device, preferably in a capacitor which takes place to fluctuations in an amount of from transducer balance the energy delivered.
  • a primary energy store of the device is designed as a rechargeable store, and the energy emitted by the converter is first supplied to the primary energy store, which releases it again during operation of the device.
  • Preferably means are provided or providable on the device according to the invention, which can increase a quantity of energy taken up by the uni- or bidirectional converters in charge mode second form, and thus also increase an amount of the electrical energy supplied to the device. In this way, a power supply of the device is optimized.
  • These means can be fixedly or separably connected to the device or the transducer.
  • funnel-shaped elements can be provided in order to bundle sound energy and to supply it specifically to the converter.
  • small-area optical converters in particular, individual LEDs, photodiodes or image sensors, reflective or focusing elements, in particular lenses, can be used to focus light, in particular sunlight, and / or direct it to the transducer.
  • LED (s) illuminated liquid crystal displays
  • ⁇ preferably a liquid crystal element and possibly existing color ⁇ filter, etc. configured so that they are in the charge mode of the
  • Light source can be removed or folded aside to allow an unimpeded incidence of light without unnecessary absorption.
  • solar energy can be applied to this Ver ⁇ contact as very efficient for supplying the device with power.
  • advantageous materials may be attached to the recorded heights during a movement kinetic energy to it ⁇ .
  • At rotatable components is preferably adjusted in this way, an imbalance or increased, so as to ensure that the offset is the component upon movement of the device in a Drehbewe ⁇ supply.
  • discs can be provided which have an imbalance. These can then be inserted into the device in charge mode instead of a CD or DVD, and enable the motor to rotate very efficiently as soon as the device is accelerated, eg by gravity.
  • auxiliary transducers in addition to or instead of the transducers provided for intended functions, one or more auxiliary transducers may be provided, which are preferably configured such that they inevitably result in the intended use of the device be actuated; and thereby generate energy, preferably energy of the first form, and deliver it to the device.
  • Such an auxiliary converter can advantageously be provided in particular in connection with a contact-sensitive or pressure-sensitive areas, in particular keyboards or touchscreens.
  • the entire touch screen, in particular a capacitive touch screen be stored on one or more piezo elements.
  • the piezoelectric element is compressed more or less so that a voltage is generated which can drive a current that supplies energy to the device.
  • auxiliary converter in which during a movement of the device, a mass element, for example an eccentric, is placed in a linear or rotary motion and electrical energy is obtained from this movement, preferably by means of a dynamo, can be used advantageously ⁇ the.
  • thermal converters for example Peltier elements, which are suitable can, for converting a TEM ⁇ peraturdifferenz into voltage and vice versa, used, in particular, a waste heat into electrical energy to convert.
  • thermal transducers can be used particularly advantageously in conjunction with bidirectional transducers required for the intended use, since these often produce a relatively large heat loss during intended use.
  • a rechargeable energy storage which can release energy of a first form, which is required for operation of the device; at least one transducer is provided, which is suitable for converting energy of a second form into energy of the first form and delivering it; connections, in particular switchable connections are provided, by means of which the energy emitted by the first form of the converter can be supplied to the energy store.
  • at least one function of the device which does not serve to supply power to the device, is implemented using the converter.
  • At least one transducer of the type used in connection with preferred further embodiments is used.
  • gene of the inventive device have been described.
  • one or more unidirectional and / or one or more bidirectional transducers are used.
  • An apparatus enables the combined supply and return of the energies released around mobile communication devices and their use, e.g. Shock, movement, friction, especially screen finger friction, light, wind up, heat - especially return of a body temperature and a heat produced by the battery itself - to the battery, making the devices work independently of external power connections.
  • FIG. 1 shows a section-wise schematic diagram of a prior ⁇ ferred embodiment of an inventive device in the form of a mobile phone.
  • FIG. 2 is a fragmentary schematic diagram of a character wide ⁇ ren preferred embodiment of an inventive device in the form of a mobile phone.
  • Fig. 1 shows a fragmentary circuit diagram of a preferred embodiment of an inventive device in the form of a mobile phone, which is powered by a battery 2 with elec ⁇ cal energy.
  • the mobile phone comprises a plurality of bidirectional converter, namely, a speaker 11, an antenna 12 and at least one LED 13.
  • the mobile telephone to ⁇ further comprises a large number of unidirectional transducer, namely a microphone 18 and is formed of piezoelectric keys 19 a keyboard, of which for the sake of clarity, only a single is shown.
  • Each transducer is associated with an electronic control unit ⁇ cal: Speaker control, micro ⁇ fonêtung, antenna controller, LED control and keyboard control.
  • the control units are connected to a central processing unit (CPU).
  • CPU central processing unit
  • the voltage control unit 3 further comprises a charging indication circuit 31 which is connected to an external voltage source, in particular a wetting or La ⁇ de réelle, allows a terminal of the voltage regulating unit 3, on the one hand to be able to charge the battery 2, and on the other hand, the mobile telephone independent of the To be able to operate battery 2.
  • the voltage regulation unit 3 is designed, for example, as an ASIC.
  • switch in particular in the form of transistor switches available, which allow to separate single or several loading mode ⁇ re converter of their associated control unit and / or from a ground.
  • rectifier circuit for one or more feedback connections 4 there is also a rectifier circuit, not shown in the figure, or preferably integrated in the voltage regulation unit 3.
  • Be issued has the mobile phone with a camera or video recording function, and preferably also a required for this image sensor with an associated control unit is integrated in the same way as the other transducer so that from that when exposed to light, in particular Son ⁇ neneinstrahlung, power to the battery 2 can.
  • FIG. 2 shows a partial circuit diagram of a further preferred exemplary embodiment of an apparatus according to the invention in the form of a mobile telephone.
  • taps are not provided directly to the transducers here. Switching between a specific operation and the charging mode is done by the controls associated with the transducers which supply the energy delivered by a transducer in the charge mode via return connections 4 'to one or more return terminals 32' of the voltage regulation unit 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un appareil électronique portatif qui requiert pour un fonctionnement de l'énergie d'une première forme, en particulier de l'énergie électrique. L'appareil comprend: au moins un convertisseur qui est approprié à convertir l'énergie entre au moins une deuxième forme d'énergie et la première forme d'énergie et qui est nécessaire pour au moins un fonctionnement conforme de l'appareil. Ce convertisseur est approprié à convertir, dans un mode de charge, l'énergie de la deuxième forme en énergie de la première forme et de fournir celle-ci, et l'énergie de la première forme fournie en mode de charge par ce convertisseur peut servir à l'alimentation de l'appareil en énergie.
PCT/IB2011/053514 2010-08-05 2011-08-05 Appareil portatif à autonomie énergétique améliorée Ceased WO2012017420A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11761135.0A EP2601725A2 (fr) 2010-08-05 2011-08-05 Appareil portatif à autonomie énergétique améliorée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01267/10A CH703558A1 (de) 2010-08-05 2010-08-05 Tragbares Gerät mit verbesserter Energieautonomie.
CH01267/10 2010-08-05

Publications (2)

Publication Number Publication Date
WO2012017420A2 true WO2012017420A2 (fr) 2012-02-09
WO2012017420A3 WO2012017420A3 (fr) 2012-05-18

Family

ID=44677986

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/053514 Ceased WO2012017420A2 (fr) 2010-08-05 2011-08-05 Appareil portatif à autonomie énergétique améliorée

Country Status (3)

Country Link
EP (1) EP2601725A2 (fr)
CH (1) CH703558A1 (fr)
WO (1) WO2012017420A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014896B3 (de) * 2013-09-06 2014-12-18 Aissa Zouhri Vorrichtung und Verfahren zur Signalübermittlung an Personen

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630155A (en) 1990-06-05 1997-05-13 Seiko Epson Corporation Portable computer system with mechanism for accumulating mechanical energy for powering the system
GB2347800A (en) 1999-03-10 2000-09-13 Ericsson Telefon Ab L M Hand powered battery charger
DE10043960A1 (de) 2000-09-06 2002-03-21 Thomas Berner Mobiltelefon
WO2003019766A1 (fr) 2001-08-22 2003-03-06 Albert Hartman Source d'alimentation electrique mobile
US20040119290A1 (en) 2002-12-19 2004-06-24 International Business Machines Corporation Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery
US20040204180A1 (en) 2002-11-05 2004-10-14 Ming-Zhen Liao Cellular phone with built-in generator
US20060139000A1 (en) 2004-12-29 2006-06-29 Bailey Kenneth S Wrist worn portable battery charging system
FR2880437A1 (fr) 2004-12-07 2006-07-07 Jean Philippe Charlier Ordinateur portable avec alimentation electrique de type photovoltaique.
US20060238163A1 (en) 2005-04-22 2006-10-26 Hon Hai Precision Industry Co., Ltd. Mobile phone having solar cell
US20070049353A1 (en) 2005-08-24 2007-03-01 Nick Trozzi Endless powered anywhere cellphone system
GB2442772A (en) 2007-02-13 2008-04-16 Tcl Products Ltd Media device having a manual generator
GB2456393A (en) 2008-01-17 2009-07-22 Tcl Products Ltd Mobile phone comprising an integral wind up generator for charging the battery
US20100079264A1 (en) 2008-09-29 2010-04-01 Apple Inc. Haptic feedback system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09186753A (ja) * 1996-01-08 1997-07-15 Matsushita Electric Ind Co Ltd 携帯電話装置
US5889383A (en) * 1998-04-03 1999-03-30 Advanced Micro Devices, Inc. System and method for charging batteries with ambient acoustic energy
US6252336B1 (en) * 1999-11-08 2001-06-26 Cts Corporation Combined piezoelectric silent alarm/battery charger
US20070257634A1 (en) * 2006-05-05 2007-11-08 Leschin Stephen J Self-powered portable electronic device
US7646863B2 (en) * 2006-11-22 2010-01-12 Plantronics, Inc. Movement powered headset
US8032472B2 (en) * 2007-04-04 2011-10-04 Tuen Solutions Limited Liability Company Intelligent agent for distributed services for mobile devices
US8035335B2 (en) * 2008-01-09 2011-10-11 Symbol Technologies, Inc. Energy harvesting in RFID systems
CN101599659A (zh) * 2008-06-03 2009-12-09 上海市格致中学 一种能量转换装置
GB0814414D0 (en) * 2008-08-06 2008-09-10 G24 Innovations Ltd Recharging batteries
US20100045241A1 (en) * 2008-08-20 2010-02-25 Nokia Corporation Piezoelectric Kinetic Energy Harvester
US20100102673A1 (en) * 2008-10-24 2010-04-29 Nokia Corporation Kinetic harvesting frequency optimizer
CN101741280A (zh) * 2008-11-19 2010-06-16 深圳富泰宏精密工业有限公司 便携式电子装置
GB2466774B (en) * 2008-12-30 2011-08-31 Wolfson Microelectronics Plc Circuits for biasing/charging high impedance loads

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630155A (en) 1990-06-05 1997-05-13 Seiko Epson Corporation Portable computer system with mechanism for accumulating mechanical energy for powering the system
GB2347800A (en) 1999-03-10 2000-09-13 Ericsson Telefon Ab L M Hand powered battery charger
DE10043960A1 (de) 2000-09-06 2002-03-21 Thomas Berner Mobiltelefon
WO2003019766A1 (fr) 2001-08-22 2003-03-06 Albert Hartman Source d'alimentation electrique mobile
US20040204180A1 (en) 2002-11-05 2004-10-14 Ming-Zhen Liao Cellular phone with built-in generator
US20040119290A1 (en) 2002-12-19 2004-06-24 International Business Machines Corporation Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery
FR2880437A1 (fr) 2004-12-07 2006-07-07 Jean Philippe Charlier Ordinateur portable avec alimentation electrique de type photovoltaique.
US20060139000A1 (en) 2004-12-29 2006-06-29 Bailey Kenneth S Wrist worn portable battery charging system
US20060238163A1 (en) 2005-04-22 2006-10-26 Hon Hai Precision Industry Co., Ltd. Mobile phone having solar cell
US20070049353A1 (en) 2005-08-24 2007-03-01 Nick Trozzi Endless powered anywhere cellphone system
GB2442772A (en) 2007-02-13 2008-04-16 Tcl Products Ltd Media device having a manual generator
GB2456393A (en) 2008-01-17 2009-07-22 Tcl Products Ltd Mobile phone comprising an integral wind up generator for charging the battery
US20100079264A1 (en) 2008-09-29 2010-04-01 Apple Inc. Haptic feedback system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014896B3 (de) * 2013-09-06 2014-12-18 Aissa Zouhri Vorrichtung und Verfahren zur Signalübermittlung an Personen

Also Published As

Publication number Publication date
CH703558A1 (de) 2012-02-15
WO2012017420A3 (fr) 2012-05-18
EP2601725A2 (fr) 2013-06-12

Similar Documents

Publication Publication Date Title
US20110285660A1 (en) Touch screen power generation
DE102013214021A1 (de) Stromersparnis
US20110157034A1 (en) Portable electronic device with solar charging function
US11356782B2 (en) Two-dimensional distributed mode actuator
CN108303778A (zh) 镜头驱动装置
US9770827B2 (en) Robot control system
CN1658130A (zh) 利用动能的输入设备
EP2601725A2 (fr) Appareil portatif à autonomie énergétique améliorée
US20060170392A1 (en) Portable charging system
CN103701361A (zh) 移动通信终端
JP6835383B2 (ja) 磁気消去具、筆記システムおよび表示装置
JP2023549276A (ja) 充電装置及び電子機器アセンブリ
US20120181989A1 (en) Electric energy generating apparatus and mobile electric device thereof
DE102013221676B4 (de) Tragbares Funktions-erweiterndes Gerät für elektronisches Gerät
CN104409088A (zh) 一种直接显示存储容量的移动硬盘
CN103024325A (zh) 微型投影仪
CN206237609U (zh) 一种扩音器
CN103336561A (zh) 一种便携式办公装置
DE102017002147A1 (de) Drahtloses Laden für eine Eingabeeinrichtung
WO2002045234A2 (fr) Appareil electronique portatif
CN221261637U (zh) 一种充电式移动触摸智能屏
US20120319954A1 (en) Multi-functional wireless mouse
CN202998296U (zh) 微型投影仪
JP7777949B2 (ja) 電子機器および制御方法
Kovacova et al. High power piezoelectric energy harvester for a temperature monitoring system

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11761135

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2011761135

Country of ref document: EP