JPS5251764Y2 - - Google Patents

Info

Publication number
JPS5251764Y2
JPS5251764Y2 JP11849372U JP11849372U JPS5251764Y2 JP S5251764 Y2 JPS5251764 Y2 JP S5251764Y2 JP 11849372 U JP11849372 U JP 11849372U JP 11849372 U JP11849372 U JP 11849372U JP S5251764 Y2 JPS5251764 Y2 JP S5251764Y2
Authority
JP
Grant status
Grant
Patent type
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
JP11849372U
Other versions
JPS4974801U (en )
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
JP11849372U 1972-10-13 1972-10-13 Granted JPS5251764Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11849372U JPS5251764Y2 (en) 1972-10-13 1972-10-13

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP11849372U JPS5251764Y2 (en) 1972-10-13 1972-10-13
US3849600A US3849600A (en) 1972-10-13 1973-10-11 Stereophonic signal reproducing apparatus
GB4755973A GB1425519A (en) 1972-10-13 1973-10-11 Stereophonic signal reproducing apparatus
DE19732351423 DE2351423C2 (en) 1972-10-13 1973-10-12
CA 183221 CA982057A (en) 1972-10-13 1973-10-12 Stereophonic signal reproducing apparatus
NL7314187A NL180557C (en) 1972-10-13 1973-10-15 Equipment for stereophonic reproduction.
FR7336722A FR2203250B1 (en) 1972-10-13 1973-10-15

Publications (2)

Publication Number Publication Date
JPS4974801U true JPS4974801U (en) 1974-06-28
JPS5251764Y2 true JPS5251764Y2 (en) 1977-11-25

Family

ID=14738024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11849372U Granted JPS5251764Y2 (en) 1972-10-13 1972-10-13

Country Status (7)

Country Link
US (1) US3849600A (en)
JP (1) JPS5251764Y2 (en)
CA (1) CA982057A (en)
DE (1) DE2351423C2 (en)
FR (1) FR2203250B1 (en)
GB (1) GB1425519A (en)
NL (1) NL180557C (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455336C3 (en) * 1970-09-23 1982-11-11 Siegbert Dipl.-Ing. Dr. 7146 Tamm De Hentschke
US4191852A (en) * 1978-05-16 1980-03-04 Shin-Shirasuna Electric Corporation Stereophonic sense enhancing apparatus
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US4355203A (en) * 1980-03-12 1982-10-19 Cohen Joel M Stereo image separation and perimeter enhancement
DE3127478A1 (en) * 1981-07-11 1983-01-20 Rundfunkschutzrechte Ev Stereophonic device for broadcast or television reception or for recording and/or replaying audio or video recordings
US4489432A (en) * 1982-05-28 1984-12-18 Polk Audio, Inc. Method and apparatus for reproducing sound having a realistic ambient field and acoustic image
US5412731A (en) * 1982-11-08 1995-05-02 Desper Products, Inc. Automatic stereophonic manipulation system and apparatus for image enhancement
DK152478C (en) * 1985-12-06 1988-07-25 Ole Sparkjaer Method and circuit for decoding four channel signals which are coded and matrix is ​​in the form of a two-channel signal
US4819269A (en) * 1987-07-21 1989-04-04 Hughes Aircraft Company Extended imaging split mode loudspeaker system
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4975954A (en) * 1987-10-15 1990-12-04 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US5034983A (en) * 1987-10-15 1991-07-23 Cooper Duane H Head diffraction compensated stereo system
US5136651A (en) * 1987-10-15 1992-08-04 Cooper Duane H Head diffraction compensated stereo system
US4910778A (en) * 1987-10-16 1990-03-20 Barton Geoffrey J Signal enhancement processor for stereo system
JP2667228B2 (en) * 1988-11-07 1997-10-27 株式会社日立製作所 Stereo playback device of the television receiver
US4939781A (en) * 1988-11-14 1990-07-03 Lamonica Chuck Device for eliminating absolute polarity inversion in a high-fidelity sound reproduction system
US5841879A (en) * 1996-11-21 1998-11-24 Sonics Associates, Inc. Virtually positioned head mounted surround sound system
US5661808A (en) * 1995-04-27 1997-08-26 Srs Labs, Inc. Stereo enhancement system
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US5970152A (en) * 1996-04-30 1999-10-19 Srs Labs, Inc. Audio enhancement system for use in a surround sound environment
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US6144747A (en) * 1997-04-02 2000-11-07 Sonics Associates, Inc. Head mounted surround sound system
US6281749B1 (en) 1997-06-17 2001-08-28 Srs Labs, Inc. Sound enhancement system
US6181796B1 (en) * 1998-02-13 2001-01-30 National Semiconductor Corporation Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements
US6089923A (en) * 1999-08-20 2000-07-18 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
USRE41052E1 (en) 1999-08-20 2009-12-22 Adc Telecommunications, Inc. Jack including crosstalk compensation for printed circuit board
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US7076071B2 (en) * 2000-06-12 2006-07-11 Robert A. Katz Process for enhancing the existing ambience, imaging, depth, clarity and spaciousness of sound recordings
EP2052580B1 (en) 2006-08-10 2013-07-17 Koninklijke Philips Electronics N.V. A device for and a method of processing an audio signal
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
DE102008035685A1 (en) * 2008-07-30 2010-02-04 Elac Electroacustic Gmbh Method for operating stereo-loudspeaker system, involves delaying central loudspeaker controlling signal against signals for controlling lateral loudspeakers for quotients of specific distance and sound speed
WO2012094338A1 (en) 2011-01-04 2012-07-12 Srs Labs, Inc. Immersive audio rendering system
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
FI20165142A (en) * 2016-02-24 2017-08-25 Panphonics Oy sound system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073037B (en) *
DE1071762B (en) * 1958-09-09
US3164676A (en) * 1961-03-13 1965-01-05 Philco Corp Stereophonic system employing audio matrixing
DE2046776C3 (en) * 1970-09-23 1979-11-29 Siegbert Dipl.-Ing. Dr. 7000 Stuttgart Hentschke

Also Published As

Publication number Publication date Type
US3849600A (en) 1974-11-19 grant
FR2203250A1 (en) 1974-05-10 application
NL7314187A (en) 1974-04-16 application
NL180557C (en) 1987-03-02 grant
DE2351423A1 (en) 1974-04-25 application
NL180557B (en) 1986-10-01 application
CA982057A (en) 1976-01-20 grant
CA982057A1 (en) grant
JPS4974801U (en) 1974-06-28 application
GB1425519A (en) 1976-02-18 application
FR2203250B1 (en) 1978-01-06 grant
DE2351423C2 (en) 1985-05-30 grant

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