NL7316479A - - Google Patents

Info

Publication number
NL7316479A
NL7316479A NL7316479A NL7316479A NL7316479A NL 7316479 A NL7316479 A NL 7316479A NL 7316479 A NL7316479 A NL 7316479A NL 7316479 A NL7316479 A NL 7316479A NL 7316479 A NL7316479 A NL 7316479A
Authority
NL
Netherlands
Application number
NL7316479A
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 NL7316479A publication Critical patent/NL7316479A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
NL7316479A 1972-12-01 1973-11-30 NL7316479A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12103972A JPS5527517B2 (ja) 1972-12-01 1972-12-01

Publications (1)

Publication Number Publication Date
NL7316479A true NL7316479A (ja) 1974-06-05

Family

ID=14801291

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7316479A NL7316479A (ja) 1972-12-01 1973-11-30

Country Status (8)

Country Link
US (1) US3885099A (ja)
JP (1) JPS5527517B2 (ja)
CA (1) CA982486A (ja)
DE (1) DE2359862A1 (ja)
FR (1) FR2209264B1 (ja)
GB (1) GB1430950A (ja)
IT (1) IT997688B (ja)
NL (1) NL7316479A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US5339363A (en) * 1990-06-08 1994-08-16 Fosgate James W Apparatus for enhancing monophonic audio signals using phase shifters
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5666424A (en) * 1990-06-08 1997-09-09 Harman International Industries, Inc. Six-axis surround sound processor with automatic balancing and calibration
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5295189A (en) * 1990-06-08 1994-03-15 Fosgate James W Control voltage generator for surround sound processor
SG124306A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia A system and method for expanding multi-speaker playback

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518551B1 (ja) * 1970-07-09 1976-03-17
NL155157B (nl) * 1971-02-17 1977-11-15 Philips Nv Demodulatorschakeling voor het demoduleren van een op een draaggolf gemoduleerd videosignaal.
US3798373A (en) * 1971-06-23 1974-03-19 Columbia Broadcasting Syst Inc Apparatus for reproducing quadraphonic sound

Also Published As

Publication number Publication date
FR2209264A1 (ja) 1974-06-28
GB1430950A (en) 1976-04-07
CA982486A (en) 1976-01-27
US3885099A (en) 1975-05-20
JPS4979201A (ja) 1974-07-31
FR2209264B1 (ja) 1979-08-03
IT997688B (it) 1975-12-30
JPS5527517B2 (ja) 1980-07-21
DE2359862A1 (de) 1974-06-12

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed