JPS5248483B2 - - Google Patents
Info
- Publication number
- JPS5248483B2 JPS5248483B2 JP50063388A JP6338875A JPS5248483B2 JP S5248483 B2 JPS5248483 B2 JP S5248483B2 JP 50063388 A JP50063388 A JP 50063388A JP 6338875 A JP6338875 A JP 6338875A JP S5248483 B2 JPS5248483 B2 JP S5248483B2
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US475139A US3894201A (en) | 1974-05-31 | 1974-05-31 | System for dynamic and static muting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS513202A JPS513202A (https=) | 1976-01-12 |
| JPS5248483B2 true JPS5248483B2 (https=) | 1977-12-10 |
Family
ID=23886348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50063388A Expired JPS5248483B2 (https=) | 1974-05-31 | 1975-05-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3894201A (https=) |
| JP (1) | JPS5248483B2 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL162812C (nl) * | 1974-03-12 | 1980-06-16 | Matsushita Electric Industrial Co Ltd | Vierkanalige weergeefinrichting voor het weergeven van grammofoonplaten. |
| US4075425A (en) * | 1974-09-24 | 1978-02-21 | Nippon Columbia Kabushikikaisha | Multi-directional sound signal reproducing system |
| US4608455A (en) * | 1982-04-05 | 1986-08-26 | Bell Telephone Laboratories, Incorporated | Processing of encrypted voice signals |
| JP2008258749A (ja) * | 2007-04-02 | 2008-10-23 | Funai Electric Co Ltd | 薄型テレビジョン、および音響装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3209271A (en) * | 1961-08-17 | 1965-09-28 | Radiation Inc | Phase-locked loops |
| US3337813A (en) * | 1965-12-27 | 1967-08-22 | Bell Telephone Labor Inc | Phase-controlled oscillator having a bistable circuit in the control loop |
| US3564434A (en) * | 1968-07-29 | 1971-02-16 | Signetics Corp | Integrated frequency selective circuit and demodulator including phase locked loop |
| CA938560A (en) * | 1969-11-28 | 1973-12-18 | Victor Company Of Japan | System for recording and/or reproducing four channel signals on a record disc |
-
1974
- 1974-05-31 US US475139A patent/US3894201A/en not_active Expired - Lifetime
-
1975
- 1975-05-26 JP JP50063388A patent/JPS5248483B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3894201A (en) | 1975-07-08 |
| JPS513202A (https=) | 1976-01-12 |