JPS512585Y2 - - Google Patents

Info

Publication number
JPS512585Y2
JPS512585Y2 JP1971120266U JP12026671U JPS512585Y2 JP S512585 Y2 JPS512585 Y2 JP S512585Y2 JP 1971120266 U JP1971120266 U JP 1971120266U JP 12026671 U JP12026671 U JP 12026671U JP S512585 Y2 JPS512585 Y2 JP S512585Y2
Authority
JP
Japan
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
JP1971120266U
Other versions
JPS471120U (ja
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 filed Critical
Publication of JPS471120U publication Critical patent/JPS471120U/ja
Application granted granted Critical
Publication of JPS512585Y2 publication Critical patent/JPS512585Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP1971120266U 1970-12-22 1971-12-21 Expired JPS512585Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10057970A 1970-12-22 1970-12-22

Publications (2)

Publication Number Publication Date
JPS471120U JPS471120U (ja) 1972-08-11
JPS512585Y2 true JPS512585Y2 (ja) 1976-01-26

Family

ID=22280472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971120266U Expired JPS512585Y2 (ja) 1970-12-22 1971-12-21

Country Status (6)

Country Link
US (1) US3702901A (ja)
JP (1) JPS512585Y2 (ja)
CA (1) CA941310A (ja)
DE (1) DE2161474A1 (ja)
GB (1) GB1317530A (ja)
IT (1) IT953204B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879747A (en) * 1968-12-04 1975-04-22 Matsushita Electric Industrial Co Ltd Remote control device
US3937885A (en) * 1974-09-06 1976-02-10 Motorola, Inc. Control circuit for a matrixed four channel audio reproducing system
JPS5226144A (en) * 1975-08-22 1977-02-26 Shinshirasuna Denki Kk Automatic gain control circuit
US4113984A (en) * 1976-09-17 1978-09-12 General Motors Corporation Voltage translating circuit for volume and balance control of a four-channel audio system
US4245136A (en) * 1980-08-08 1981-01-13 Krauel Jr Robert W Monitor ampliphones
US4404527A (en) * 1980-11-03 1983-09-13 General Motors Corporation Bridge audio amplifier including low level fade control
US4404429A (en) * 1981-05-07 1983-09-13 Rca Corporation Matching volume control characteristics for two channels
US4521906A (en) * 1983-03-28 1985-06-04 Kahn Leonard R Speaker systems for producing balanced stereo images at multiple locations
JP2514141Y2 (ja) * 1984-05-31 1996-10-16 パイオニア株式会社 車載用音場補正装置
DE3427000A1 (de) * 1984-07-21 1986-01-30 Philips Patentverwaltung Ueberblend-schaltungseinrichtung an elektrischen wiedergabegeraeten und ueberblendregler fuer eine derartige schaltungseinrichtung
JPH0236698A (ja) * 1988-07-26 1990-02-06 Mazda Motor Corp 車両用オーディオ装置
US5122720A (en) * 1989-12-01 1992-06-16 Martinsound Technologies, Inc. Automated fader system
JP2002152900A (ja) * 2000-11-09 2002-05-24 Pioneer Electronic Corp 音量制御装置
US7305097B2 (en) * 2003-02-14 2007-12-04 Bose Corporation Controlling fading and surround signal level
US20050185806A1 (en) * 2003-02-14 2005-08-25 Salvador Eduardo T. Controlling fading and surround signal level
US20060280316A1 (en) * 2005-06-09 2006-12-14 Lear Corporation Audio system and method for controlling an audio system
WO2008006376A1 (en) * 2006-07-13 2008-01-17 Bang & Olufsen A/S A method, apparatus, and system for spatial redistribution of direct and ambient sound.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899505A (en) * 1959-08-11 Re-recording mixer for multi-sound track records
US2148030A (en) * 1936-07-25 1939-02-21 Rca Corp Automatic tone control system
US2488410A (en) * 1945-01-26 1949-11-15 Rca Corp Control circuits for alternating current transmission networks
US2474191A (en) * 1947-06-06 1949-06-21 Avco Mfg Corp Tone control
US3397286A (en) * 1964-09-17 1968-08-13 Gen Motors Corp Four-speaker adjustable stereo sound system

Also Published As

Publication number Publication date
GB1317530A (en) 1973-05-23
CA941310A (en) 1974-02-05
DE2161474A1 (de) 1972-07-13
US3702901A (en) 1972-11-14
IT953204B (it) 1973-08-10
JPS471120U (ja) 1972-08-11

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