GB9019857D0 - Volume control - Google Patents

Volume control

Info

Publication number
GB9019857D0
GB9019857D0 GB909019857A GB9019857A GB9019857D0 GB 9019857 D0 GB9019857 D0 GB 9019857D0 GB 909019857 A GB909019857 A GB 909019857A GB 9019857 A GB9019857 A GB 9019857A GB 9019857 D0 GB9019857 D0 GB 9019857D0
Authority
GB
United Kingdom
Prior art keywords
volume control
volume
control
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Withdrawn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
GB909019857A
Other versions
GB2248001A (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.)
Concourse Communications Ltd
Original Assignee
Concourse Communications Ltd
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 Concourse Communications Ltd filed Critical Concourse Communications Ltd
Priority to GB9019857A priority Critical patent/GB2248001A/en
Publication of GB9019857D0 publication Critical patent/GB9019857D0/en
Priority to GB9113709A priority patent/GB2249231A/en
Priority to EP91916360A priority patent/EP0548181B1/en
Priority to GB9305396A priority patent/GB2264599B/en
Priority to JP3515525A priority patent/JPH06500677A/en
Priority to CA2091590A priority patent/CA2091590A1/en
Priority to AU85230/91A priority patent/AU8523091A/en
Priority to AT91916360T priority patent/ATE156315T1/en
Priority to DE69127088T priority patent/DE69127088T2/en
Priority to PCT/GB1991/001515 priority patent/WO1992004772A1/en
Publication of GB2248001A publication Critical patent/GB2248001A/en
Priority to US08/749,071 priority patent/US6370254B1/en
Priority to HK98106635A priority patent/HK1007645A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • 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
    • 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
GB9019857A 1990-09-11 1990-09-11 Controlling sound volume in dependence on ambient noise Withdrawn GB2248001A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB9019857A GB2248001A (en) 1990-09-11 1990-09-11 Controlling sound volume in dependence on ambient noise
GB9113709A GB2249231A (en) 1990-09-11 1991-06-25 Audio-visual reproduction
PCT/GB1991/001515 WO1992004772A1 (en) 1990-09-11 1991-09-05 Audio-visual reproduction
AU85230/91A AU8523091A (en) 1990-09-11 1991-09-05 Audio-visual reproduction
GB9305396A GB2264599B (en) 1990-09-11 1991-09-05 Audio-visual reproduction
JP3515525A JPH06500677A (en) 1990-09-11 1991-09-05 audiovisual playback device
CA2091590A CA2091590A1 (en) 1990-09-11 1991-09-05 Audio-visual reproduction
EP91916360A EP0548181B1 (en) 1990-09-11 1991-09-05 Audio-visual reproduction
AT91916360T ATE156315T1 (en) 1990-09-11 1991-09-05 AUDIO-VISUAL PLAYBACK DEVICE
DE69127088T DE69127088T2 (en) 1990-09-11 1991-09-05 AUDIO-VISUAL PLAYBACK
US08/749,071 US6370254B1 (en) 1990-09-11 1996-11-14 Audio-visual reproduction
HK98106635A HK1007645A1 (en) 1990-09-11 1998-06-25 Audio-visual reproduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9019857A GB2248001A (en) 1990-09-11 1990-09-11 Controlling sound volume in dependence on ambient noise

Publications (2)

Publication Number Publication Date
GB9019857D0 true GB9019857D0 (en) 1990-10-24
GB2248001A GB2248001A (en) 1992-03-18

Family

ID=10682028

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9019857A Withdrawn GB2248001A (en) 1990-09-11 1990-09-11 Controlling sound volume in dependence on ambient noise
GB9113709A Withdrawn GB2249231A (en) 1990-09-11 1991-06-25 Audio-visual reproduction

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9113709A Withdrawn GB2249231A (en) 1990-09-11 1991-06-25 Audio-visual reproduction

Country Status (1)

Country Link
GB (2) GB2248001A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1380983B1 (en) * 1998-10-30 2006-05-24 Symbol Technologies, Inc. Code reading system including sound control for audible signal
DE10120525A1 (en) 2001-04-26 2002-11-07 Harman Audio Electronic Sys Circuit arrangement for audio reproduction and hands-free talking in a motor vehicle
WO2005059874A1 (en) * 2003-12-16 2005-06-30 U-Marketing Intellectual Properties Pte. Ltd A display system
WO2006066351A2 (en) * 2004-12-26 2006-06-29 Creative Audio Pty Ltd An improved paging system
WO2006077545A2 (en) 2005-01-20 2006-07-27 Koninklijke Philips Electronics N.V. Color-sequential display device
JP5135499B2 (en) 2005-01-21 2013-02-06 ティーピー ビジョン ホールディング ビー ヴィ Operation mode adjusting device and method for adjusting operation mode of electronic product

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029141A (en) * 1978-08-26 1980-03-12 Viva Co Gain control arrangements
FR2449379A1 (en) * 1979-02-15 1980-09-12 Scart AUDIO-VIDEO DYNAMIC INTERCONNECTION SYSTEM
FR2466901A1 (en) * 1979-10-03 1981-04-10 Carpentier Claude DEVICE FOR AUTOMATICALLY ADJUSTING THE LEVEL OF SOUND SOURCES USEFUL IN VARIABLE BRUYANCE ENVIRONMENTS
DE2942331A1 (en) * 1979-10-19 1981-05-07 Blaupunkt-Werke Gmbh, 3200 Hildesheim CIRCUIT ARRANGEMENT FOR AUTOMATICALLY ADJUSTING THE VOLUME OF A LOUDSPEAKER DEPENDING ON A NOISE LEVEL RULING AT THE SPEAKER LOCATION
JPS56147525A (en) * 1980-04-18 1981-11-16 Hitachi Ltd Reception playback system
DE3479277D1 (en) * 1983-06-28 1989-09-07 Rca Licensing Corp Interconnection apparatus
WO1988001453A1 (en) * 1986-08-13 1988-02-25 Aranda Applied Research & Tech Adaptive gain control amplifier
US4855730A (en) * 1987-05-08 1989-08-08 Rca Licensing Corporation Component audio/video system with timed control of plural peripheral devices
US4808992A (en) * 1987-05-08 1989-02-28 Rca Licensing Corporation Component audio/video system with automatic turn-off of peripheral devices
GB2207313A (en) * 1987-07-18 1989-01-25 James Melville Buick Signal controlled by noise signal compensator
GB8725240D0 (en) * 1987-10-28 1987-12-02 Thomas I G Differential volume adjusters
FR2630230B1 (en) * 1988-04-18 1990-12-07 Falck Francis STEERING INTERFACE OF 8 MM VCR / CAMCORDER BY COMPUTER
GB9001266D0 (en) * 1990-01-19 1990-03-21 Hurst Brian D Interactive marketing apparatus

Also Published As

Publication number Publication date
GB2248001A (en) 1992-03-18
GB2249231A (en) 1992-04-29
GB9113709D0 (en) 1991-08-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)