FR2409647A1 - Circuit a moyenne frequence pour recepteur de television - Google Patents

Circuit a moyenne frequence pour recepteur de television

Info

Publication number
FR2409647A1
FR2409647A1 FR7832262A FR7832262A FR2409647A1 FR 2409647 A1 FR2409647 A1 FR 2409647A1 FR 7832262 A FR7832262 A FR 7832262A FR 7832262 A FR7832262 A FR 7832262A FR 2409647 A1 FR2409647 A1 FR 2409647A1
Authority
FR
France
Prior art keywords
television receiver
medium frequency
frequency circuit
relates
television
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.)
Withdrawn
Application number
FR7832262A
Other languages
English (en)
French (fr)
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.)
Plessey Handel und Investments AG
Original Assignee
Plessey Handel und Investments AG
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 Plessey Handel und Investments AG filed Critical Plessey Handel und Investments AG
Publication of FR2409647A1 publication Critical patent/FR2409647A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Television Receiver Circuits (AREA)
  • Superheterodyne Receivers (AREA)
FR7832262A 1977-11-16 1978-11-15 Circuit a moyenne frequence pour recepteur de television Withdrawn FR2409647A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4758977 1977-11-16

Publications (1)

Publication Number Publication Date
FR2409647A1 true FR2409647A1 (fr) 1979-06-15

Family

ID=10445534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832262A Withdrawn FR2409647A1 (fr) 1977-11-16 1978-11-15 Circuit a moyenne frequence pour recepteur de television

Country Status (8)

Country Link
JP (1) JPS5478620A (pt)
BR (1) BR7807531A (pt)
DE (1) DE2848898A1 (pt)
ES (1) ES475148A1 (pt)
FR (1) FR2409647A1 (pt)
GB (1) GB2009546A (pt)
IT (1) IT1101161B (pt)
NL (1) NL7811294A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051942A2 (en) * 1980-10-25 1982-05-19 Fujitsu Limited Surface acoustic wave filter
EP0269437A2 (en) * 1986-11-25 1988-06-01 International Telesystems, Inc. Restricted access television transmission system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58200618A (ja) * 1982-05-19 1983-11-22 Hitachi Ltd 弾性表面波装置
GB8223113D0 (en) * 1982-08-12 1994-03-09 Secr Defence Signal processing
US4639786A (en) * 1985-10-23 1987-01-27 Rca Corporation Television sound signal processor
TW256966B (pt) * 1994-03-04 1995-09-11 Murata Manufacturing Co
JP3106924B2 (ja) * 1995-08-31 2000-11-06 株式会社村田製作所 表面波共振子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643694A (en) * 1948-05-26 1950-09-27 Standard Telephones Cables Ltd Improvements in or relating to television receivers
US2699497A (en) * 1950-06-22 1955-01-11 Du Mont Allen B Lab Inc Television receiver
US2944106A (en) * 1958-03-07 1960-07-05 Rca Corp Sound cancellation in television receivers
AU484368B2 (en) * 1975-02-07 1977-07-07 Hitachi Limited Television receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB643694A (en) * 1948-05-26 1950-09-27 Standard Telephones Cables Ltd Improvements in or relating to television receivers
US2699497A (en) * 1950-06-22 1955-01-11 Du Mont Allen B Lab Inc Television receiver
US2944106A (en) * 1958-03-07 1960-07-05 Rca Corp Sound cancellation in television receivers
AU484368B2 (en) * 1975-02-07 1977-07-07 Hitachi Limited Television receiver

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051942A2 (en) * 1980-10-25 1982-05-19 Fujitsu Limited Surface acoustic wave filter
EP0051942A3 (en) * 1980-10-25 1982-08-11 Fujitsu Limited Surface acoustic wave filter
EP0269437A2 (en) * 1986-11-25 1988-06-01 International Telesystems, Inc. Restricted access television transmission system
EP0269437A3 (en) * 1986-11-25 1989-05-24 International Telesystems, Inc. Restricted access television transmission system

Also Published As

Publication number Publication date
DE2848898A1 (de) 1979-05-17
GB2009546A (en) 1979-06-13
ES475148A1 (es) 1979-05-01
IT1101161B (it) 1985-09-28
IT7829827A0 (it) 1978-11-15
NL7811294A (nl) 1979-05-18
JPS5478620A (en) 1979-06-22
BR7807531A (pt) 1979-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse