[go: up one dir, main page]

GB0524758D0 - An enhanced filtering technique - Google Patents

An enhanced filtering technique

Info

Publication number
GB0524758D0
GB0524758D0 GBGB0524758.0A GB0524758A GB0524758D0 GB 0524758 D0 GB0524758 D0 GB 0524758D0 GB 0524758 A GB0524758 A GB 0524758A GB 0524758 D0 GB0524758 D0 GB 0524758D0
Authority
GB
United Kingdom
Prior art keywords
filtering technique
enhanced filtering
enhanced
technique
filtering
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.)
Granted
Application number
GBGB0524758.0A
Other versions
GB2433367B (en
GB2433367A (en
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.)
WILLIAMS PHILIP E
Original Assignee
WILLIAMS PHILIP E
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 WILLIAMS PHILIP E filed Critical WILLIAMS PHILIP E
Priority to GB0524758A priority Critical patent/GB2433367B/en
Publication of GB0524758D0 publication Critical patent/GB0524758D0/en
Publication of GB2433367A publication Critical patent/GB2433367A/en
Application granted granted Critical
Publication of GB2433367B publication Critical patent/GB2433367B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB0524758A 2005-12-03 2005-12-03 Filter using tuning fork crystals Expired - Fee Related GB2433367B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0524758A GB2433367B (en) 2005-12-03 2005-12-03 Filter using tuning fork crystals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0524758A GB2433367B (en) 2005-12-03 2005-12-03 Filter using tuning fork crystals

Publications (3)

Publication Number Publication Date
GB0524758D0 true GB0524758D0 (en) 2006-01-11
GB2433367A GB2433367A (en) 2007-06-20
GB2433367B GB2433367B (en) 2010-11-10

Family

ID=35686076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0524758A Expired - Fee Related GB2433367B (en) 2005-12-03 2005-12-03 Filter using tuning fork crystals

Country Status (1)

Country Link
GB (1) GB2433367B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201116434D0 (en) * 2011-09-22 2011-11-02 Xtra Sense Ltd A filter circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005083A (en) * 1927-07-07 1935-06-18 Rca Corp Filter
US2205847A (en) * 1938-02-24 1940-06-25 Rca Corp Crystal filter
BE621743A (en) * 1961-08-29
CH404774A (en) * 1963-03-25 1965-12-31 Electrometre Device for the remote transmission of signals via a supply network for electrical energy
JPS51138363A (en) * 1975-05-26 1976-11-29 Noto Denshi Kogyo Kk Band-pass filter using a piezoelectric tunig furk
CH617297A5 (en) * 1977-09-30 1980-05-14 Straumann Inst Ag Electromechanical oscillator, particularly for a band-pass filter of a remote control device

Also Published As

Publication number Publication date
GB2433367B (en) 2010-11-10
GB2433367A (en) 2007-06-20

Similar Documents

Publication Publication Date Title
GB0523969D0 (en) Inductivwe component
EP1853365A4 (en) Tertiary filter
EP1938881A4 (en) Filtration device
EP1973837A4 (en) Nanolipidic particles
GB0500035D0 (en) Filter
EP1958684A4 (en) Filtration unit
ZA200603891B (en) Filters
EP1967246A4 (en) Filter unit
GB0624980D0 (en) Modification
GB0525957D0 (en) Methods
GB0510879D0 (en) Filter
GB2411668B (en) Filter
EP1938882A4 (en) Filtration device
GB0804626D0 (en) Filter assembly
GB0715741D0 (en) Methods
GB0512470D0 (en) Filter assembly
IL184839A0 (en) Filter circuit
GB0624555D0 (en) Filtering signals
GB0516204D0 (en) Methods
GB0514661D0 (en) Methods
GB0518425D0 (en) Methods
GB0524758D0 (en) An enhanced filtering technique
GB0513138D0 (en) Filtration
GB0526212D0 (en) Methods
GB0512648D0 (en) Filter can

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20241203