GB2126812B - Television sound detection system using a phase-locked loop - Google Patents

Television sound detection system using a phase-locked loop

Info

Publication number
GB2126812B
GB2126812B GB08323064A GB8323064A GB2126812B GB 2126812 B GB2126812 B GB 2126812B GB 08323064 A GB08323064 A GB 08323064A GB 8323064 A GB8323064 A GB 8323064A GB 2126812 B GB2126812 B GB 2126812B
Authority
GB
United Kingdom
Prior art keywords
phase
detection system
locked loop
sound detection
television sound
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
GB08323064A
Other versions
GB2126812A (en
GB8323064D0 (en
Inventor
Abraham E Rindal
Patrick Douglas Griffis
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 US06/412,902 external-priority patent/US4470071A/en
Priority claimed from US06/412,898 external-priority patent/US4470070A/en
Priority claimed from US06/437,826 external-priority patent/US4514763A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of GB8323064D0 publication Critical patent/GB8323064D0/en
Publication of GB2126812A publication Critical patent/GB2126812A/en
Application granted granted Critical
Publication of GB2126812B publication Critical patent/GB2126812B/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
    • H04N5/44—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
    • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
    • 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
GB08323064A 1982-08-30 1983-08-26 Television sound detection system using a phase-locked loop Expired GB2126812B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/412,902 US4470071A (en) 1982-08-30 1982-08-30 Television sound detection system using a frequency translation phase-locked loop
US06/412,898 US4470070A (en) 1982-08-30 1982-08-30 Frequency translation phase-locked loop television sound detection system
US06/437,826 US4514763A (en) 1982-10-29 1982-10-29 Sound signal and impulse noise detector for television receivers

Publications (3)

Publication Number Publication Date
GB8323064D0 GB8323064D0 (en) 1983-09-28
GB2126812A GB2126812A (en) 1984-03-28
GB2126812B true GB2126812B (en) 1986-05-08

Family

ID=27410962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08323064A Expired GB2126812B (en) 1982-08-30 1983-08-26 Television sound detection system using a phase-locked loop

Country Status (4)

Country Link
KR (1) KR920002840B1 (en)
DE (1) DE3331076C2 (en)
FR (1) FR2532502B1 (en)
GB (1) GB2126812B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1155173B1 (en) 1998-12-16 2004-03-24 Du Pont-Toray Company, Ltd. Stabilized spandex
US8212941B2 (en) 2008-04-30 2012-07-03 Mediatek Inc. Digitized analog TV signal processing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158209A (en) * 1977-08-02 1979-06-12 Rca Corporation CCD comb filters
JPS5564477A (en) * 1978-11-10 1980-05-15 Sony Corp Television receiver
US4272785A (en) * 1979-06-01 1981-06-09 Rca Corporation Defect compensation for color television
US4263611A (en) * 1979-08-29 1981-04-21 Rca Corporation Television signal processing system
JPS5693490A (en) * 1979-12-27 1981-07-29 Toshiba Corp Sound intermediate frequency signal detecting circuit
AU549606B2 (en) * 1980-12-12 1986-02-06 Sony Corporation Television sound receiver
JPS57127367A (en) * 1981-01-30 1982-08-07 Sony Corp Receiver of television sound signal

Also Published As

Publication number Publication date
DE3331076C2 (en) 1986-07-17
FR2532502A1 (en) 1984-03-02
KR840005952A (en) 1984-11-19
DE3331076A1 (en) 1984-03-01
FR2532502B1 (en) 1994-04-01
KR920002840B1 (en) 1992-04-04
GB2126812A (en) 1984-03-28
GB8323064D0 (en) 1983-09-28

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930826