GB1424995A - Horizontal frequency control circuits for television receivers - Google Patents

Horizontal frequency control circuits for television receivers

Info

Publication number
GB1424995A
GB1424995A GB657574A GB657574A GB1424995A GB 1424995 A GB1424995 A GB 1424995A GB 657574 A GB657574 A GB 657574A GB 657574 A GB657574 A GB 657574A GB 1424995 A GB1424995 A GB 1424995A
Authority
GB
United Kingdom
Prior art keywords
time constant
oscillator
frequency control
sync
pulses
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.)
Expired
Application number
GB657574A
Other languages
English (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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB1424995A publication Critical patent/GB1424995A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/05—Synchronising circuits with arrangements for extending range of synchronisation, e.g. by using switching between several time constants

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Synchronizing For Television (AREA)
GB657574A 1973-02-20 1974-02-13 Horizontal frequency control circuits for television receivers Expired GB1424995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48020531A JPS49110218A (OSRAM) 1973-02-20 1973-02-20

Publications (1)

Publication Number Publication Date
GB1424995A true GB1424995A (en) 1976-02-11

Family

ID=12029725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB657574A Expired GB1424995A (en) 1973-02-20 1974-02-13 Horizontal frequency control circuits for television receivers

Country Status (8)

Country Link
US (1) US3873766A (OSRAM)
JP (1) JPS49110218A (OSRAM)
CA (1) CA1013852A (OSRAM)
DE (1) DE2407920C3 (OSRAM)
FR (1) FR2218707B1 (OSRAM)
GB (1) GB1424995A (OSRAM)
IT (1) IT1008884B (OSRAM)
NL (1) NL185254C (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854828A1 (de) * 1977-12-19 1979-06-21 Rca Corp Anordnung zum synchronisieren eines fernseh-horizontaloszillators in einer an ein videobandgeraet anschliessbaren bildwiedergabeeinrichtung

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093716A (OSRAM) * 1973-12-20 1975-07-26
JPS5096120A (OSRAM) * 1973-12-24 1975-07-31
FR2568434B1 (fr) * 1979-05-09 1989-10-13 Rca Corp Dispositif de synchronisation d'une boucle verrouillee en phase pour synchroniser un oscillateur dans un recepteur de television
US4228463A (en) * 1979-05-17 1980-10-14 Rca Corporation Switched AFPC loop filter with offset voltage cancellation
FR2473827A1 (fr) * 1980-01-11 1981-07-17 Thomson Brandt Circuit de synchronisation ligne pour televiseur, et televiseur comprenant un tel circuit
JPS5822464Y2 (ja) * 1980-05-14 1983-05-13 株式会社 ブレスト工業研究所 ラス金網製壁体貫通用電線管の支持具
JPS58201478A (ja) * 1982-05-20 1983-11-24 Pioneer Video Kk Ｐｌｌ回路の同期非同期状態検出回路
US4612574A (en) * 1983-10-14 1986-09-16 Rca Corporation Oscillator-frequency control interface circuit
US4500853A (en) * 1983-11-03 1985-02-19 Electronic Specialists Oscillator phase lock system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591716A (en) * 1968-08-01 1971-07-06 Zenith Radio Corp Automatic frequency control circuit
US3730989A (en) * 1971-12-13 1973-05-01 Gte Sylvania Inc Television horizontal transistor oscillator and afc network
US3758711A (en) * 1972-03-09 1973-09-11 Cartridge Television Inc Elay line for video reproducer and/or recorder time base error correction system including electronically variable d

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854828A1 (de) * 1977-12-19 1979-06-21 Rca Corp Anordnung zum synchronisieren eines fernseh-horizontaloszillators in einer an ein videobandgeraet anschliessbaren bildwiedergabeeinrichtung

Also Published As

Publication number Publication date
DE2407920A1 (de) 1974-08-22
IT1008884B (it) 1976-11-30
DE2407920B2 (de) 1979-05-31
NL185254C (nl) 1990-02-16
NL185254B (nl) 1989-09-18
CA1013852A (en) 1977-07-12
FR2218707B1 (OSRAM) 1977-09-09
JPS49110218A (OSRAM) 1974-10-21
US3873766A (en) 1975-03-25
DE2407920C3 (de) 1980-01-24
FR2218707A1 (OSRAM) 1974-09-13
NL7402215A (OSRAM) 1974-08-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940212