JPS5028162B1 - - Google Patents
Info
- Publication number
- JPS5028162B1 JPS5028162B1 JP45025886A JP2588670A JPS5028162B1 JP S5028162 B1 JPS5028162 B1 JP S5028162B1 JP 45025886 A JP45025886 A JP 45025886A JP 2588670 A JP2588670 A JP 2588670A JP S5028162 B1 JPS5028162 B1 JP S5028162B1
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMSÂ
- 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)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Circuit For Audible Band Transducer (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Structure Of Receivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85382269A | 1969-08-28 | 1969-08-28 | |
| US88844069A | 1969-12-29 | 1969-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5028162B1 true JPS5028162B1 (de) | 1975-09-12 |
Family
ID=27127190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45025886A Pending JPS5028162B1 (de) | 1969-08-28 | 1970-03-27 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5028162B1 (de) |
| GB (2) | GB1328142A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US7251337B2 (en) | 2003-04-24 | 2007-07-31 | Dolby Laboratories Licensing Corporation | Volume control in movie theaters |
| US7551745B2 (en) | 2003-04-24 | 2009-06-23 | Dolby Laboratories Licensing Corporation | Volume and compression control in movie theaters |
-
1970
- 1970-03-27 JP JP45025886A patent/JPS5028162B1/ja active Pending
- 1970-08-28 GB GB4968870A patent/GB1328142A/en not_active Expired
- 1970-08-28 GB GB1389170A patent/GB1328141A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1328141A (en) | 1973-08-30 |
| GB1328142A (en) | 1973-08-30 |
| DE2014856B2 (de) | 1976-11-11 |
| DE2014856A1 (de) | 1971-03-04 |