WO2001001687A1 - Telecommunication terminal with integrated set-top box - Google Patents
Telecommunication terminal with integrated set-top box Download PDFInfo
- Publication number
- WO2001001687A1 WO2001001687A1 PCT/DE2000/001766 DE0001766W WO0101687A1 WO 2001001687 A1 WO2001001687 A1 WO 2001001687A1 DE 0001766 W DE0001766 W DE 0001766W WO 0101687 A1 WO0101687 A1 WO 0101687A1
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- WO
- WIPO (PCT)
- Prior art keywords
- interface
- terminal according
- telecommunications terminal
- top box
- telephone network
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
- H04N21/6187—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a telephone network, e.g. POTS
Definitions
- the invention relates to a telecommunications terminal with a connection to a telephone network and a human-machine interface (Man-Machme interface MMI).
- a human-machine interface Man-Machme interface MMI
- a receiver which is referred to below as a set-top box, is used to receive digital TV signals.
- a set-top box is a peripheral device that creates a connection to the TV.
- DBS Digital Broadcast System
- CATV Cable TV
- a set-top box contains various components, such as an audio / video decoder and a processor, described in detail on the website http: // www. crisps . lbm. com / set top box / overview. html and http: // www. crisps . lbm. com / settopbox / designkit .html.
- the set-top box has a jerk channel which is connected to the telephone network via a telephone connection line.
- the telephone network can be both analog and digital (ISDN).
- both devices must be connected to both a power supply and a telephone network.
- the set-top box requires connection to the cable or satellite network.
- the user has the problem that the connection of the device for commissioning, especially due to the effort of the wiring, takes a lot of time.
- visible cable clutter for example due to existing audio and video systems.
- a radio signal can be disturbed by external influences (e.g. devices, installations) and therefore no trouble-free operation is guaranteed.
- Man-Machme interface MMI Man-Machme interface MMI
- a preferred embodiment of the invention is the connection of set-top boxes to cordless telephone systems, such as cordless telephones of the "Gigaset" type from Siemens.
- the human-machine interface can be used, for example, via the Gigaset DECT radio interface or via an infrared interface can be connected to the telecommunications terminal.
- the MMI can be made from one
- Keyboard exist. This keyboard can have different functions, such as an ASCI keypad or function keys with programmed commands. Instead of the keyboard of the human-machine interface, existing keyboards (for example the audio and video system) can be used.
- the human-machine interface can also have voice recognition. This eliminates the need for a keyboard.
- the human-machine interface can have an imaging element, such as the screen of a videophone or a display. Furthermore, a camera for recording image data can be present.
- the telecommunications terminal can have a printing device, as is customary with a fax machine.
- the human-machine interface can consist of a hearing and speaking device. Instead of using the hearing and speaking device, data can be entered using the keyboard or the camera transmitted and made visible on the imaging element or the printing device. This can be very helpful for a deaf and dumb user.
- a further advantageous embodiment can provide that a control device for commissioning audio and / or video systems is present. All functions of the audio and video systems can be controlled completely or partially via the human-machine interface. Audio and video systems are already connected to one another by means of a bus system (for example I 2 C). This can reduce the number of remote controls. Not only is this more beautiful, it also leads to clearer multi-media living landscapes.
- a bus system for example I 2 C
- a program module for the processor of the set-top box can be advantageous, which enables the reception, writing or forwarding of electronic data (e-mail).
- audio and video systems can be used for other telephone functions.
- a tape deck, midisk, or other recording device can serve as an answering machine. It is also conceivable to record image data, for example a telephone call with a video telephone, via video device.
- the figure shows a diagram of a telecommunications terminal according to the invention with an integrated set-top box.
- the telecommunications terminal 1 has a power connection 2, a connection to the telephone network 3, to the cable or satellite network 11 and a human-machine interface (Man-Machme interface MMI) 4.
- MMI Human-machine interface
- the interface 4 may be connected to the rest of telecommunications terminal 1, both over a fixed line (dashed line) and cordless (10 represented by antennas on ⁇ ).
- a hearing and speaking device as well as a speech recognition, a camera, a function keyboard and / or an imaging or imaging element can be contained.
- a speech recognition as well as a microphone
- a camera as well as a microphone
- a function keyboard as well as a microphones on ⁇
- an imaging or imaging element can be contained.
- a printing device 7 can be present in the telecommunications terminal 1.
- the telecommunication terminal 1 also has a control device 8 which enables audio and video systems 9 to be started up.
- a cordless interface 4 functions of the audio and video systems 9 can hereby be controlled.
- the set-top box 5 m is integrated into the telecommunications terminal 1. It contains a processor 6 for the delivery of digital data for a return channel.
- the jerk channel m guides the telephone network 3.
- the digital TV signals obtained from the cable or satellite network are converted into analog signals in a number of steps, not explained in more detail, and are fed to the audio or video system 9. A more detailed description of this conversion can be found in international patent application WO 98/24236.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Beschreibungdescription
Telekommunikationsendgerat mit integrierter Set-Top-BoxTelecommunications terminal with integrated set-top box
Die Erfindung betrifft ein Telekommunikationsendgerat mit einem Anschluß an ein Telefonnetz und einer Mensch-Maschme- Schnittstelle (Man-Machme-Interface MMI).The invention relates to a telecommunications terminal with a connection to a telephone network and a human-machine interface (Man-Machme interface MMI).
Zum Empfang von digitalen TV-Signalen wird heutzutage ein Empfanger, der im folgenden als Set-Top-Box bezeichnet wird, verwendet. Allgemein wird als Set-Top-Box ein peripheres Gerat bezeichnet, das eine Verbindung zum TV schafft. Es existieren zwei Typen von Geraten. Der eine Typ stellt eine Set- Top-Box dar, die veröffentlichte Medien, beispielsweise DVD oder Video zeigt oder abspielt, der andere verbindet den Benutzer mit einem Netzwerk-liefernden-System, wie zum Beispiel DBS (= Digital Broadcast System) oder CATV (= Cable Televisi- on) . Grundsätzlich beinhaltet ein Set-Top-Box verschiedene Komponenten, wie beispielsweise einen Audio/Video Decoder und einen Prozessor, detailliert beschrieben m den Internetseiten http: //www. chips . lbm. com/settopbox/overview. html und http: //www. chips . lbm. com/settopbox/designkit .html . Die Set- Top-Box weist zur interaktiven Benutzung einen Ruckkanal auf, der über eine Telefonanschlußleitung mit dem Telefonnetz ver- bunden ist. Hierbei kann das Telefonnetz sowohl analog als auch digital (ISDN) sein.Nowadays, a receiver, which is referred to below as a set-top box, is used to receive digital TV signals. In general, a set-top box is a peripheral device that creates a connection to the TV. There are two types of devices. One type represents a set-top box that shows or plays published media, e.g. DVD or video, the other connects the user to a network-providing system, such as DBS (= Digital Broadcast System) or CATV ( = Cable TV). Basically, a set-top box contains various components, such as an audio / video decoder and a processor, described in detail on the website http: // www. crisps . lbm. com / set top box / overview. html and http: // www. crisps . lbm. com / settopbox / designkit .html. For interactive use, the set-top box has a jerk channel which is connected to the telephone network via a telephone connection line. The telephone network can be both analog and digital (ISDN).
Besitzt ein Benutzer zusätzlich zum Telefon eine Set-Top-Box, so müssen beide Gerate sowohl mit einer Stromversorgung als auch mit einem Telefonnetz verbunden werden. Zusatzlich benotigt die Set-Top-Box den Anschluß an das Kabel- oder Satelli- tennetz .If a user has a set-top box in addition to the telephone, both devices must be connected to both a power supply and a telephone network. In addition, the set-top box requires connection to the cable or satellite network.
Der Benutzer hat das Problem, daß der Anschluß des Gerätes zur Inbetriebnahme, vor allem durch den Aufwand der Verkabelung viel Zeit m Anspruch nimmt. Zusätzlich wird unuber- sichtlicher Kabelsalat, beispielsweise durch vorhandene Audio- und Videosysteme gefordert.The user has the problem that the connection of the device for commissioning, especially due to the effort of the wiring, takes a lot of time. In addition, visible cable clutter, for example due to existing audio and video systems.
Die Internationale Patentanmeldung WO 98/24236 beschreibt ein Verfahren zur drahtlosen Übertragung von digitalen Daten für einen Ruckkanal bei einem Empfanger für digitale TV-Signale. Diese Set-Top-Box enthalt eine schnurlose Sendeeinrichtung zur drahtlosen Übermittlung der Daten und umgeht so den direkten Anschluß an das Telefonnetz. Allerdings sind hier zwei separate Systeme notwendig, die Telefonbasisstation, sowie die Set-Top-Box. Beide sind an die Stromversorgung angeschlossen, die Telefonbasisstation zusatzlich an das Telefonnetz, die Set-Top-Box an das Kabel- oder Satellitennetz . Die Übermittlung der Daten von der Telefonbasisstation zur Set- Top-Box und zurück geschieht über Funk.International patent application WO 98/24236 describes a method for the wireless transmission of digital data for a return channel in a receiver for digital TV signals. This set-top box contains a cordless transmitter for wireless data transmission and thus avoids direct connection to the telephone network. However, two separate systems are necessary here, the telephone base station and the set-top box. Both are connected to the power supply, the telephone base station also to the telephone network, the set-top box to the cable or satellite network. The data is transmitted from the telephone base station to the set-top box and back via radio.
Durch externe Einflüsse (zum Beispiel Gerate, Installationen) kann ein Funksignal gestört werden und es ist somit kein einwandfreier Betrieb gewährleistet.A radio signal can be disturbed by external influences (e.g. devices, installations) and therefore no trouble-free operation is guaranteed.
Es ist daher Aufgabe der Erfindung, ein Telekommunikationsendgerat mit einem Anschluß an ein Telefonnetz und einer Mensch-Maschine-Schnittsteile (Man-Machme-Interface MMI) dahingehend zu verbessern, daß die Leistungsmerkmale verbessert werden.It is therefore an object of the invention to improve a telecommunications terminal with a connection to a telephone network and a man-machine interface (Man-Machme interface MMI) in such a way that the performance features are improved.
Die Aufgabe wird durch die Merkmale des Anspruches 1 gelost.The problem is solved by the features of claim 1.
Demgemäß wird vorgeschlagen, das Telekommunikationsendgerat mit dem Anschluß an das Telefonnetz und der Mensch-Maschme- Schnittstelle (Man-Machme-Interface MMI) dahingehend zu verbessern, daß die Funktion einer Set-Top-Box für digitale TV- Signale mit Hilfe eines Prozessors zur Abgabe von digitalen Daten für einen Ruckkanal über das Telefonnetz im Telekommu- nikationsendgerat integriert ist. Durch diese Ausfuhrung ist es nun möglich, getrennte Systeme aufgrund ihrer gemeinsamen Schnittstelle zum Telefonnetz zu einem Basissystem zusammenzufassen. Hierdurch erhalt der Be¬ nutzer die Möglichkeit, durch Installation eines einzigen Ge- rates zu telefonieren sowie digitale Daten zu empfangen.Accordingly, it is proposed to improve the telecommunications terminal with the connection to the telephone network and the human-machine interface (Man-Machme interface MMI) in such a way that the function of a set-top box for digital TV signals with the aid of a processor Delivery of digital data for a jerk channel via the telephone network is integrated in the telecommunications terminal. With this design, it is now possible to combine separate systems into a basic system based on their common interface to the telephone network. This makes loading ¬ preserving the user to make calls by installing a single overall rates and receive digital data.
Eine bevorzugte Ausfuhrung der Erfindung ist die Verbindung von Set-Top-Boxen mit schnurlosen Telefonsystemen, wie beispielsweise schnurlose Telefone des Typs „Gigaset" der Firma Siemens. Hierbei kann die Mensch-Maschme-Schnittstelle zum Beispiel über die Gigaset-DECT-Funkschnittstelle oder über eine Infrarotschnittstelle mit dem Telekommunikationsendgerat verbunden sein.A preferred embodiment of the invention is the connection of set-top boxes to cordless telephone systems, such as cordless telephones of the "Gigaset" type from Siemens. The human-machine interface can be used, for example, via the Gigaset DECT radio interface or via an infrared interface can be connected to the telecommunications terminal.
Je nach Ausfuhrung der Basisstation kann das MMI aus einerDepending on the version of the base station, the MMI can be made from one
Tastatur bestehen. Diese Tastatur kann über unterschiedliche Funktionen verfugen, wie beispielsweise einem ASCI-Tastenfeld oder Funktionstasten mit programmierten Befehlen. Anstelle der Tastatur der Mensch-Maschme-Schnittstelle können vorhan- dene Tastaturen (zum Beispiel des Audio- und Video-Systems) benutzt werden.Keyboard exist. This keyboard can have different functions, such as an ASCI keypad or function keys with programmed commands. Instead of the keyboard of the human-machine interface, existing keyboards (for example the audio and video system) can be used.
Die Mensch-Maschme-Schnittstelle kann darüber hinaus über eine Spracherkennung verfugen. Dies macht das Vorhandensein einer Tastatur überflüssig.The human-machine interface can also have voice recognition. This eliminates the need for a keyboard.
Die Mensch-Maschme-Schnittstelle kann über ein bildgebendes Element verfugen, wie beispielsweise den Bildschirm eines Bildtelefons oder ein Display. Des weiteren kann eine Kamera zur Aufnahme von Bilddaten vorhanden sein.The human-machine interface can have an imaging element, such as the screen of a videophone or a display. Furthermore, a camera for recording image data can be present.
Das Telekommunikationsendgerat kann über eine Druckeinrichtung verfugen, wie es bei einem Faxgerat üblich ist.The telecommunications terminal can have a printing device, as is customary with a fax machine.
Die Mensch-Maschme-Schnittstelle kann aus einer Hör- und Sprecheinrichtung bestehen. Daten können anstelle über die Hör- und Sprecheinrichtung über die Tastatur oder die Kamera übermittelt und auf dem bildgebenden Element oder der Druckeinrichtung sichtbar gemacht werden. Dies kann für einen taubstummen Benutzer sehr hilfreich sein.The human-machine interface can consist of a hearing and speaking device. Instead of using the hearing and speaking device, data can be entered using the keyboard or the camera transmitted and made visible on the imaging element or the printing device. This can be very helpful for a deaf and dumb user.
Eine weitere vorteilhafte Ausgestaltung kann vorsehen, daß eine Steuervorrichtung zur Inbetriebnahme von Audio- und/oder Video-Systemen vorhanden ist. Hierbei sind alle Funktionen der Audio- und Video-Systeme vollständig oder teilweise über die Mensch-Maschme-Schnittstelle steuerbar. Schon heute ste- hen Audio- und Video-Systeme untereinander mittels eines Bussystems (zum Beispiel I2C) in Verbindung. Eine Reduzierung der Anzahl an Fernbedienungen kann hierdurch erreicht werden. Dies ist nicht nur schöner, es fuhrt auch zu übersichtlicheren Multi-Media-Wohnlandschaften .A further advantageous embodiment can provide that a control device for commissioning audio and / or video systems is present. All functions of the audio and video systems can be controlled completely or partially via the human-machine interface. Audio and video systems are already connected to one another by means of a bus system (for example I 2 C). This can reduce the number of remote controls. Not only is this more beautiful, it also leads to clearer multi-media living landscapes.
Vorteilhaft kann ein Programm-Modul für den Prozessor der Set-Top-Box sein, das den Empfang, das Schreiben, beziehungsweise die Weiterleitung von elektronischen Daten (e-mail) ermöglicht .A program module for the processor of the set-top box can be advantageous, which enables the reception, writing or forwarding of electronic data (e-mail).
Je nach Bauart der Basisstation lassen sich Audio- und Video- Systeme für andere Telefonfunktionen mitbenutzen. Es besteht beispielsweise die Möglichkeit zum Lauthoren/Freisprechen eines Telefonates mittels Lautsprecher eines Fernsehgerätes oder einer Audioanlage, sowie zum Lesen von e-mail am Fern- sehbildschirm. Für sehschwache Benutzer kann diese Vergrößerung der Zahlen und Buchstaben eine Erleichterung sein.Depending on the design of the base station, audio and video systems can be used for other telephone functions. There is, for example, the possibility of listening to the loudspeaker / speakerphone of a telephone call using the loudspeaker of a television set or an audio system, and reading e-mail on the television screen. This increase in numbers and letters can be a relief for visually impaired users.
Durch die Übertragung von Daten eines Bildtelefons auf den Fernsehbildschirm, kann der Bildschirm des Bildtelefons entfallen. Ein Tape-Deck, M idisk, oder eine sonstige Aufnahmevorrichtung kann als Anrufbeantworter dienen. Denkbar ist auch, Bilddaten, zum Beispiel ein Telefonat mit Bildtelefon per Videogerat aufzunehmen.By transmitting data from a video phone to the television screen, the screen of the video phone can be omitted. A tape deck, midisk, or other recording device can serve as an answering machine. It is also conceivable to record image data, for example a telephone call with a video telephone, via video device.
Es versteht sich, daß die vorstehend genannten und nachstehend noch zu erläuternden Merkmale der Erfindung nicht nur in der jeweils angegebenen Kombination, sondern auch m anderen Kombinationen oder m Alieinstellung verwendbar sind, ohne den Rahmen der Erfindung zu verlassen.It is understood that the features of the invention mentioned above and still to be explained below are not limited to the specified combination, but also m other combinations or m setting can be used without leaving the scope of the invention.
Weitere Merkmale der Erfindung ergeben sich aus den Unteran- spruchen und der nachfolgenden Beschreibung eines Ausfuh- rungsbeispiels unter Bezugnahme auf die Zeichnung.Further features of the invention result from the subclaims and the following description of an exemplary embodiment with reference to the drawing.
Im folgenden wird die Erfindung anhand einer einzigen Figur beschrieben.The invention is described below with reference to a single figure.
Die Figur zeigt ein Schema eines erfmdungsgemaßen Telekommu- nikationsendgerates mit integrierter Set-Top-Box. Das Telekommunikationsendgerat 1 weist einen Stromanschluß 2, einen Anschluß an das Telefonnetz 3, an das Kabel-, bzw. Satelli- tennetz 11 und eine Mensch-Maschme-Schnittstelle (Man- Machme-Interface MMI) 4 auf.The figure shows a diagram of a telecommunications terminal according to the invention with an integrated set-top box. The telecommunications terminal 1 has a power connection 2, a connection to the telephone network 3, to the cable or satellite network 11 and a human-machine interface (Man-Machme interface MMI) 4.
Die Schnittstelle 4 kann sowohl über eine Festleitung (ge- strichelte Linie) als auch schnurlos (dargestellt durch An¬ tennen 10) mit dem restlichen Telekommunikationsendgerat 1 verbunden sein. In der Schnittstelle 4 können sowohl eine Hör- und Sprecheinrichtung, als auch eine Spracherkennung, eine Kamera, eine Funktionstastatur und/oder ein bildgebendes bzw. abbildendes Element enthalten sein. Hierdurch sind unterschiedliche Anwendungsmoglichkeiten gegeben, wie beispielsweise die Betreibung durch einen körperbehinderten Benutzer.The interface 4 may be connected to the rest of telecommunications terminal 1, both over a fixed line (dashed line) and cordless (10 represented by antennas on ¬). In the interface 4, a hearing and speaking device, as well as a speech recognition, a camera, a function keyboard and / or an imaging or imaging element can be contained. As a result, there are different possible uses, such as operation by a physically disabled user.
Des weiteren kann im Telekommunikationsendgerat 1 eine Druck- emrichtung 7 vorhanden sein.Furthermore, a printing device 7 can be present in the telecommunications terminal 1.
Das Telekommunikationsendgerat 1 besitzt zudem eine Steuervorrichtung 8, die eine Inbetriebnahme von Audio- und Video- Systemen 9 ermöglicht. Im Falle einer schnurlosen Schnittstelle 4 können hiermit Funktionen der Audio- und Videosysteme 9 gesteuert werden. Erfmdungsgemaß ist die Set-Top-Box 5 m das Telekommunikationsendgerat 1 integriert. Sie enthalt einen Prozessor 6 zur Abgabe von digitalen Daten f r einen Ruckkanal. Hier fuhrt der Ruckkanal m das Telefonnetz 3. Die vom Kabel- bzw. Satellitennetz erhaltenen digitalen TV-Signale werden m mehreren nicht naher erläuterten Schritten m analoge Signale umgewandelt und dem Audio- oder Video-System 9 zugeführt. Eine genauere Beschreibung dieser Umwandlung findet sich m der internationalen Patentanmeldung WO 98/24236. The telecommunication terminal 1 also has a control device 8 which enables audio and video systems 9 to be started up. In the case of a cordless interface 4, functions of the audio and video systems 9 can hereby be controlled. According to the invention, the set-top box 5 m is integrated into the telecommunications terminal 1. It contains a processor 6 for the delivery of digital data for a return channel. Here, the jerk channel m guides the telephone network 3. The digital TV signals obtained from the cable or satellite network are converted into analog signals in a number of steps, not explained in more detail, and are fed to the audio or video system 9. A more detailed description of this conversion can be found in international patent application WO 98/24236.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19929168.3 | 1999-06-25 | ||
| DE1999129168 DE19929168A1 (en) | 1999-06-25 | 1999-06-25 | Integrated set-top-box telecommunications terminal for digital television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001001687A1 true WO2001001687A1 (en) | 2001-01-04 |
Family
ID=7912530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2000/001766 Ceased WO2001001687A1 (en) | 1999-06-25 | 2000-05-30 | Telecommunication terminal with integrated set-top box |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE19929168A1 (en) |
| WO (1) | WO2001001687A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030026270A1 (en) * | 2001-07-31 | 2003-02-06 | Koninklijke Philips Electronics N.V. | Antenna for wireless home network has UI functionality |
| JP4470854B2 (en) | 2005-10-17 | 2010-06-02 | ソニー株式会社 | Communication method and communication system |
| DE102008010883A1 (en) * | 2008-02-25 | 2009-08-27 | Fachhochschule Gelsenkirchen | Mobile electronic communication device i.e. mobile telephone user device, for house and office, has processing circuit converting media data into digital format, and transmitter transmitting media data to output device by interface |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212200A1 (en) * | 1991-08-23 | 1993-02-25 | Toshiba Kawasaki Kk | Remote control system with data processor contg. smart card - which has coder for control signal transmitted from terminal, and remote decoder |
| WO1997031480A1 (en) * | 1996-02-26 | 1997-08-28 | E Guide, Inc. | Cordless phone back link for interactive television system |
| DE19751870A1 (en) * | 1996-11-27 | 1998-06-25 | Motorola Inc | Device, method and system for wireless audio and video conferencing and telephony |
| WO1998051079A1 (en) * | 1997-05-05 | 1998-11-12 | Siemens Aktiengesellschaft | Video-telephony with a digital tv-signal receiver |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321304A1 (en) * | 1993-06-26 | 1995-03-02 | Domarkas Brigitte | System for controlling and/or monitoring devices |
| US5706334A (en) * | 1994-08-18 | 1998-01-06 | Lucent Technologies Inc. | Apparatus for providing a graphical control interface |
| DE19547604A1 (en) * | 1995-12-20 | 1997-06-26 | Sel Alcatel Ag | Set-top box |
| DE19649069A1 (en) * | 1996-11-28 | 1998-06-04 | Thomson Brandt Gmbh | Remote controller for consumer electronics apparatus |
| DE19846452A1 (en) * | 1998-10-08 | 1999-12-16 | Siemens Ag | Access control method for access-restricted system e.g. for mobile radio and pay TV-system |
-
1999
- 1999-06-25 DE DE1999129168 patent/DE19929168A1/en not_active Withdrawn
-
2000
- 2000-05-30 WO PCT/DE2000/001766 patent/WO2001001687A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212200A1 (en) * | 1991-08-23 | 1993-02-25 | Toshiba Kawasaki Kk | Remote control system with data processor contg. smart card - which has coder for control signal transmitted from terminal, and remote decoder |
| WO1997031480A1 (en) * | 1996-02-26 | 1997-08-28 | E Guide, Inc. | Cordless phone back link for interactive television system |
| DE19751870A1 (en) * | 1996-11-27 | 1998-06-25 | Motorola Inc | Device, method and system for wireless audio and video conferencing and telephony |
| WO1998051079A1 (en) * | 1997-05-05 | 1998-11-12 | Siemens Aktiengesellschaft | Video-telephony with a digital tv-signal receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19929168A1 (en) | 2000-12-28 |
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