NL7317350A - - Google Patents
Info
- Publication number
- NL7317350A NL7317350A NL7317350A NL7317350A NL7317350A NL 7317350 A NL7317350 A NL 7317350A NL 7317350 A NL7317350 A NL 7317350A NL 7317350 A NL7317350 A NL 7317350A NL 7317350 A NL7317350 A NL 7317350A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
-
- 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
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Pure & Applied Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Credit Cards Or The Like (AREA)
- Electric Clocks (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973003987U JPS5653457Y2 (fi) | 1972-12-29 | 1972-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7317350A true NL7317350A (fi) | 1974-07-02 |
Family
ID=11572361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7317350A NL7317350A (fi) | 1972-12-29 | 1973-12-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3914790A (fi) |
| JP (1) | JPS5653457Y2 (fi) |
| CA (1) | CA981590A (fi) |
| DE (1) | DE2364480A1 (fi) |
| FR (1) | FR2221779B1 (fi) |
| GB (1) | GB1430210A (fi) |
| NL (1) | NL7317350A (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527708A (en) * | 1975-07-08 | 1977-01-21 | Sony Corp | Tape recorder |
| US4479235A (en) * | 1981-05-08 | 1984-10-23 | Rca Corporation | Switching arrangement for a stereophonic sound synthesizer |
| JPH04265569A (ja) * | 1991-02-19 | 1992-09-21 | Canon Inc | 音声信号記録装置及び再生装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730532A (en) * | 1970-06-09 | 1973-05-01 | Victor Company Of Japan | Combination four-channel two-channel stereophonic endless cartridge tape player |
| US3684835A (en) * | 1970-07-29 | 1972-08-15 | Parasound Inc | Four channel stereo synthesizer |
| US3761628A (en) * | 1972-04-13 | 1973-09-25 | Columbia Broadcasting Syst Inc | Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability |
-
1972
- 1972-12-29 JP JP1973003987U patent/JPS5653457Y2/ja not_active Expired
-
1973
- 1973-12-13 GB GB5782373A patent/GB1430210A/en not_active Expired
- 1973-12-13 US US424306A patent/US3914790A/en not_active Expired - Lifetime
- 1973-12-18 NL NL7317350A patent/NL7317350A/xx active Search and Examination
- 1973-12-19 FR FR7345603A patent/FR2221779B1/fr not_active Expired
- 1973-12-24 DE DE2364480A patent/DE2364480A1/de not_active Withdrawn
- 1973-12-28 CA CA189,129A patent/CA981590A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2221779B1 (fi) | 1977-06-10 |
| JPS49108017U (fi) | 1974-09-14 |
| GB1430210A (en) | 1976-03-31 |
| US3914790A (en) | 1975-10-21 |
| FR2221779A1 (fi) | 1974-10-11 |
| DE2364480A1 (de) | 1974-07-04 |
| JPS5653457Y2 (fi) | 1981-12-12 |
| CA981590A (en) | 1976-01-13 |
Similar Documents
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 | ||
| BN | A decision not to publish the application has become irrevocable |