CA982486A - Integrated logic circuit for the decoder of a multi-channel stereo apparatus - Google Patents
Integrated logic circuit for the decoder of a multi-channel stereo apparatusInfo
- Publication number
- CA982486A CA982486A CA187,109A CA187109A CA982486A CA 982486 A CA982486 A CA 982486A CA 187109 A CA187109 A CA 187109A CA 982486 A CA982486 A CA 982486A
- Authority
- CA
- Canada
- Prior art keywords
- decoder
- logic circuit
- integrated logic
- channel stereo
- stereo apparatus
- 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
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)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12103972A JPS5527517B2 (xx) | 1972-12-01 | 1972-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA982486A true CA982486A (en) | 1976-01-27 |
Family
ID=14801291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA187,109A Expired CA982486A (en) | 1972-12-01 | 1973-11-30 | Integrated logic circuit for the decoder of a multi-channel stereo apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US3885099A (xx) |
JP (1) | JPS5527517B2 (xx) |
CA (1) | CA982486A (xx) |
DE (1) | DE2359862A1 (xx) |
FR (1) | FR2209264B1 (xx) |
GB (1) | GB1430950A (xx) |
IT (1) | IT997688B (xx) |
NL (1) | NL7316479A (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4589129A (en) * | 1984-02-21 | 1986-05-13 | Kintek, Inc. | Signal decoding system |
US5504819A (en) * | 1990-06-08 | 1996-04-02 | Harman International Industries, Inc. | Surround sound processor with improved control voltage generator |
US5172415A (en) * | 1990-06-08 | 1992-12-15 | Fosgate James W | Surround processor |
US5339363A (en) * | 1990-06-08 | 1994-08-16 | Fosgate James W | Apparatus for enhancing monophonic audio signals using phase shifters |
US5666424A (en) * | 1990-06-08 | 1997-09-09 | Harman International Industries, Inc. | Six-axis surround sound processor with automatic balancing and calibration |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS518551B1 (xx) * | 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 |
-
1972
- 1972-12-01 JP JP12103972A patent/JPS5527517B2/ja not_active Expired
-
1973
- 1973-11-23 GB GB5459473A patent/GB1430950A/en not_active Expired
- 1973-11-29 US US419933A patent/US3885099A/en not_active Expired - Lifetime
- 1973-11-29 IT IT53976/73A patent/IT997688B/it active
- 1973-11-30 DE DE2359862A patent/DE2359862A1/de not_active Withdrawn
- 1973-11-30 CA CA187,109A patent/CA982486A/en not_active Expired
- 1973-11-30 FR FR7342786A patent/FR2209264B1/fr not_active Expired
- 1973-11-30 NL NL7316479A patent/NL7316479A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1430950A (en) | 1976-04-07 |
FR2209264A1 (xx) | 1974-06-28 |
JPS4979201A (xx) | 1974-07-31 |
JPS5527517B2 (xx) | 1980-07-21 |
DE2359862A1 (de) | 1974-06-12 |
FR2209264B1 (xx) | 1979-08-03 |
US3885099A (en) | 1975-05-20 |
IT997688B (it) | 1975-12-30 |
NL7316479A (xx) | 1974-06-05 |
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