GB2271030B - Auto - volume control system - Google Patents

Auto - volume control system

Info

Publication number
GB2271030B
GB2271030B GB9220522A GB9220522A GB2271030B GB 2271030 B GB2271030 B GB 2271030B GB 9220522 A GB9220522 A GB 9220522A GB 9220522 A GB9220522 A GB 9220522A GB 2271030 B GB2271030 B GB 2271030B
Authority
GB
United Kingdom
Prior art keywords
auto
control system
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.)
Expired - Fee Related
Application number
GB9220522A
Other versions
GB9220522D0 (en
GB2271030A (en
Inventor
Issam Moh D Ahmed Wadi
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 GB9220522A priority Critical patent/GB2271030B/en
Publication of GB9220522D0 publication Critical patent/GB9220522D0/en
Publication of GB2271030A publication Critical patent/GB2271030A/en
Application granted granted Critical
Publication of GB2271030B publication Critical patent/GB2271030B/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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
GB9220522A 1992-09-29 1992-09-29 Auto - volume control system Expired - Fee Related GB2271030B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9220522A GB2271030B (en) 1992-09-29 1992-09-29 Auto - volume control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9220522A GB2271030B (en) 1992-09-29 1992-09-29 Auto - volume control system

Publications (3)

Publication Number Publication Date
GB9220522D0 GB9220522D0 (en) 1992-11-11
GB2271030A GB2271030A (en) 1994-03-30
GB2271030B true GB2271030B (en) 1996-11-20

Family

ID=10722683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9220522A Expired - Fee Related GB2271030B (en) 1992-09-29 1992-09-29 Auto - volume control system

Country Status (1)

Country Link
GB (1) GB2271030B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8369539B2 (en) * 2006-03-24 2013-02-05 Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America Audio system with parental maximum volume control

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB433837A (en) * 1933-11-22 1935-08-21 Marconi Wireless Telegraph Co Improvements in or relating to thermionic valve amplifiers
GB691860A (en) * 1950-01-28 1953-05-20 Emi Ltd Improvements relating to automatic gain control arrangements for radio and like receivers
GB1330988A (en) * 1971-07-29 1973-09-19 Tull Aviation Corp Receiver for pulse modulated signals
GB2004428A (en) * 1977-09-16 1979-03-28 Plessey Co Ltd Receiver circuit arrangement with automatic gain control
GB2019681A (en) * 1978-03-01 1979-10-31 Saint Gobain Radio receiving antenna and control circuit
EP0063364A1 (en) * 1981-04-18 1982-10-27 Deutsche Thomson-Brandt GmbH I.F. stage gain control circuit
US4546326A (en) * 1982-02-03 1985-10-08 U.S. Philips Corporation Fast automatic gain control arrangement
WO1987006072A1 (en) * 1986-04-03 1987-10-08 Motorola, Inc. Fm receiver with noise suppression during rayleigh faded received signals
GB2204200A (en) * 1986-12-23 1988-11-02 Motorola Inc Receiver with automatic gain control

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB433837A (en) * 1933-11-22 1935-08-21 Marconi Wireless Telegraph Co Improvements in or relating to thermionic valve amplifiers
GB691860A (en) * 1950-01-28 1953-05-20 Emi Ltd Improvements relating to automatic gain control arrangements for radio and like receivers
GB1330988A (en) * 1971-07-29 1973-09-19 Tull Aviation Corp Receiver for pulse modulated signals
GB2004428A (en) * 1977-09-16 1979-03-28 Plessey Co Ltd Receiver circuit arrangement with automatic gain control
GB2019681A (en) * 1978-03-01 1979-10-31 Saint Gobain Radio receiving antenna and control circuit
EP0063364A1 (en) * 1981-04-18 1982-10-27 Deutsche Thomson-Brandt GmbH I.F. stage gain control circuit
US4546326A (en) * 1982-02-03 1985-10-08 U.S. Philips Corporation Fast automatic gain control arrangement
WO1987006072A1 (en) * 1986-04-03 1987-10-08 Motorola, Inc. Fm receiver with noise suppression during rayleigh faded received signals
GB2204200A (en) * 1986-12-23 1988-11-02 Motorola Inc Receiver with automatic gain control

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Radio Engineers Handbook by Terman McGraw-Hill Book Co 1943 page 639 *

Also Published As

Publication number Publication date
GB9220522D0 (en) 1992-11-11
GB2271030A (en) 1994-03-30

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Legal Events

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

Effective date: 20000929