FR2454735A1 - Reseau dans un televiseur pour filtrer le son d'un canal adjacent et procede pour accorder le circuit de filtrage utilise - Google Patents

Reseau dans un televiseur pour filtrer le son d'un canal adjacent et procede pour accorder le circuit de filtrage utilise

Info

Publication number
FR2454735A1
FR2454735A1 FR8008804A FR8008804A FR2454735A1 FR 2454735 A1 FR2454735 A1 FR 2454735A1 FR 8008804 A FR8008804 A FR 8008804A FR 8008804 A FR8008804 A FR 8008804A FR 2454735 A1 FR2454735 A1 FR 2454735A1
Authority
FR
France
Prior art keywords
frequency
television
network
tuning
filter circuit
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Withdrawn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
FR8008804A
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.)
RCA Corp
Original Assignee
RCA Corp
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
Priority claimed from US06/032,025 external-priority patent/US4263619A/en
Priority claimed from US06/032,026 external-priority patent/US4272743A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2454735A1 publication Critical patent/FR2454735A1/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Withdrawn legal-status Critical Current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
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • 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
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FR8008804A 1979-04-20 1980-04-18 Reseau dans un televiseur pour filtrer le son d'un canal adjacent et procede pour accorder le circuit de filtrage utilise Withdrawn FR2454735A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/032,025 US4263619A (en) 1979-04-20 1979-04-20 Double trapping of adjacent channel sound
US06/032,026 US4272743A (en) 1979-04-20 1979-04-20 Method for tuning a filter circuit

Publications (1)

Publication Number Publication Date
FR2454735A1 true FR2454735A1 (fr) 1980-11-14

Family

ID=26707876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8008804A Withdrawn FR2454735A1 (fr) 1979-04-20 1980-04-18 Reseau dans un televiseur pour filtrer le son d'un canal adjacent et procede pour accorder le circuit de filtrage utilise

Country Status (6)

Country Link
KR (1) KR830002443B1 (de)
DE (1) DE3014983C2 (de)
FI (1) FI801164A (de)
FR (1) FR2454735A1 (de)
GB (1) GB2049325B (de)
IT (1) IT1141926B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318197C1 (de) * 1983-05-19 1984-10-04 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Eingangsschaltungsanordnung fuer Fernsehempfangsgeraete
DE10106071C1 (de) 2001-02-09 2002-07-11 Harman Becker Automotive Sys Fernsehempfänger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217096A (en) * 1961-06-02 1965-11-09 Motorola Inc Signal coupling and trap network
US3562417A (en) * 1968-06-17 1971-02-09 Zenith Radio Corp Signal-translating filter network for a television receiver

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907960A (en) * 1954-04-26 1959-10-06 Rca Corp Signal transfer apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217096A (en) * 1961-06-02 1965-11-09 Motorola Inc Signal coupling and trap network
US3562417A (en) * 1968-06-17 1971-02-09 Zenith Radio Corp Signal-translating filter network for a television receiver

Also Published As

Publication number Publication date
IT1141926B (it) 1986-10-08
FI801164A (fi) 1980-10-21
GB2049325A (en) 1980-12-17
DE3014983C2 (de) 1982-10-14
GB2049325B (en) 1983-10-26
KR830002443B1 (ko) 1983-10-26
DE3014983A1 (de) 1980-11-06
KR830004015A (ko) 1983-06-30
IT8021476A0 (it) 1980-04-18

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Legal Events

Date Code Title Description
ST Notification of lapse