GB2078035B - Muting circuits - Google Patents

Muting circuits

Info

Publication number
GB2078035B
GB2078035B GB8117682A GB8117682A GB2078035B GB 2078035 B GB2078035 B GB 2078035B GB 8117682 A GB8117682 A GB 8117682A GB 8117682 A GB8117682 A GB 8117682A GB 2078035 B GB2078035 B GB 2078035B
Authority
GB
United Kingdom
Prior art keywords
muting circuits
muting
circuits
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
GB8117682A
Other versions
GB2078035A (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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Publication of GB2078035A publication Critical patent/GB2078035A/en
Application granted granted Critical
Publication of GB2078035B publication Critical patent/GB2078035B/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
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H04N5/505—Invisible or silent tuning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
GB8117682A 1980-06-13 1981-06-09 Muting circuits Expired GB2078035B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013176A FR2484752A1 (en) 1980-06-13 1980-06-13 SOUND STOP DEVICE FOR TELEVISION, AND TELEVISION COMPRISING SUCH A DEVICE

Publications (2)

Publication Number Publication Date
GB2078035A GB2078035A (en) 1981-12-23
GB2078035B true GB2078035B (en) 1984-03-28

Family

ID=9243070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117682A Expired GB2078035B (en) 1980-06-13 1981-06-09 Muting circuits

Country Status (4)

Country Link
DE (1) DE3123426A1 (en)
FR (1) FR2484752A1 (en)
GB (1) GB2078035B (en)
HK (1) HK61489A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59144972U (en) * 1983-03-18 1984-09-27 ソニー株式会社 television receiver
DE3508527A1 (en) * 1985-03-09 1986-09-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen RECEIVER FOR RECEIVING TELEVISION BROADCASTING WITH A CABLE
DE3508528C2 (en) * 1985-03-09 1993-10-07 Thomson Brandt Gmbh Receiving device for receiving cable television broadcasts with a gate
KR930005185B1 (en) * 1986-07-18 1993-06-16 상요덴기 가부시기가이샤 Sync detection circuit
DE3718017A1 (en) * 1987-05-27 1988-12-15 Grundig Emv DEVICE FOR TUNING A VIDEO RECORDER
US4903334A (en) * 1988-05-05 1990-02-20 Thomson Consumer Electronics, Inc. System for preventing crosstalk in a multi-input electronic device
DE4110293A1 (en) * 1991-03-28 1992-10-01 Loewe Opta Gmbh TELEVISION RECEIVER
GB2307606A (en) * 1995-11-23 1997-05-28 Thomson Multimedia Sa Muting in a microprocessor-controlled audio apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632800A (en) * 1949-03-26 1953-03-24 Motorola Inc Noise squelch system for television receivers
US2850564A (en) * 1953-01-29 1958-09-02 Itt Television receiver
DE1220179B (en) * 1963-10-17 1966-06-30 Bosch Gmbh Robert Arrangement for the limit speed measurement of a shaft

Also Published As

Publication number Publication date
DE3123426C2 (en) 1991-10-24
FR2484752B1 (en) 1985-02-08
GB2078035A (en) 1981-12-23
DE3123426A1 (en) 1982-03-11
HK61489A (en) 1989-08-11
FR2484752A1 (en) 1981-12-18

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19971104

PE20 Patent expired after termination of 20 years

Effective date: 20010608