GB8923298D0 - Automatic volume control system - Google Patents

Automatic volume control system

Info

Publication number
GB8923298D0
GB8923298D0 GB898923298A GB8923298A GB8923298D0 GB 8923298 D0 GB8923298 D0 GB 8923298D0 GB 898923298 A GB898923298 A GB 898923298A GB 8923298 A GB8923298 A GB 8923298A GB 8923298 D0 GB8923298 D0 GB 8923298D0
Authority
GB
United Kingdom
Prior art keywords
control system
volume control
automatic volume
automatic
volume
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.)
Granted
Application number
GB898923298A
Other versions
GB2237463B (en
GB2237463A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8923298A priority Critical patent/GB2237463B/en
Publication of GB8923298D0 publication Critical patent/GB8923298D0/en
Publication of GB2237463A publication Critical patent/GB2237463A/en
Application granted granted Critical
Publication of GB2237463B publication Critical patent/GB2237463B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB8923298A 1989-10-16 1989-10-16 Automatic volume control system Expired - Fee Related GB2237463B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8923298A GB2237463B (en) 1989-10-16 1989-10-16 Automatic volume control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8923298A GB2237463B (en) 1989-10-16 1989-10-16 Automatic volume control system

Publications (3)

Publication Number Publication Date
GB8923298D0 true GB8923298D0 (en) 1989-12-06
GB2237463A GB2237463A (en) 1991-05-01
GB2237463B GB2237463B (en) 1994-01-05

Family

ID=10664664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8923298A Expired - Fee Related GB2237463B (en) 1989-10-16 1989-10-16 Automatic volume control system

Country Status (1)

Country Link
GB (1) GB2237463B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256102A (en) * 1991-05-24 1992-11-25 Robin Middlemass Howie Automatic level controller for in-vehicle sound system
GB2257317A (en) * 1991-06-26 1993-01-06 Damian Rupert Lindley Automatic volume control for car stereo
JP3186412B2 (en) * 1994-04-01 2001-07-11 ソニー株式会社 Information encoding method, information decoding method, and information transmission method
AUPM900594A0 (en) * 1994-10-24 1994-11-17 Cochlear Pty. Limited Automatic sensitivity control
GB2306086A (en) * 1995-10-06 1997-04-23 Richard Morris Trim Improved adaptive audio systems
KR100187194B1 (en) * 1995-12-30 1999-05-15 김광호 Volume control method for a cell phone
US6298247B1 (en) 1999-12-30 2001-10-02 Telefonaktiebolaget L.M. Ericsson (Publ) Method and apparatus for automatic volume control
CN103686339B (en) * 2013-11-14 2018-02-02 乐视致新电子科技（天津）有限公司 A kind of self-adapting volume control method and device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934084A (en) * 1974-03-27 1976-01-20 Television Research Limited Variable gain amplifier controlled by ambient noise level
GB1518574A (en) * 1976-06-02 1978-07-19 Mueller U Sound reproducing system
GB1586441A (en) * 1977-12-06 1981-03-18 Marconi Co Ltd Loudspeaker systems
GB1603644A (en) * 1978-05-19 1981-11-25 Music Hire Group Ltd Sound broadcasting equipment
GB2051510A (en) * 1979-06-15 1981-01-14 Communications Patents Ltd Gain controlled audio amplifier system

Also Published As

Publication number Publication date
GB2237463B (en) 1994-01-05
GB2237463A (en) 1991-05-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940405