GB1285611A - A photoelectric stereophonic pick-up - Google Patents
A photoelectric stereophonic pick-upInfo
- Publication number
- GB1285611A GB1285611A GB56352/69A GB5635269A GB1285611A GB 1285611 A GB1285611 A GB 1285611A GB 56352/69 A GB56352/69 A GB 56352/69A GB 5635269 A GB5635269 A GB 5635269A GB 1285611 A GB1285611 A GB 1285611A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- pick
- photo
- support
- arm
- 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
- 230000009977 dual effect Effects 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681810984 DE1810984A1 (de) | 1968-11-26 | 1968-11-26 | Lichtelektrischer Tonabnehmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1285611A true GB1285611A (en) | 1972-08-16 |
Family
ID=5714368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB56352/69A Expired GB1285611A (en) | 1968-11-26 | 1969-11-18 | A photoelectric stereophonic pick-up |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3666896A (enExample) |
| JP (1) | JPS5029321B1 (enExample) |
| DE (1) | DE1810984A1 (enExample) |
| FR (1) | FR2024265A6 (enExample) |
| GB (1) | GB1285611A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860766A (en) * | 1972-05-31 | 1975-01-14 | Tokyo Shibaura Electric Co | Optical signal reproducing apparatus |
| US4463871A (en) * | 1983-08-03 | 1984-08-07 | Public Service Electric And Gas Company | Closure seal for high pressure vessel |
| US4710912A (en) * | 1986-06-02 | 1987-12-01 | Greene Hugh W | Air cushion-optical data read head |
| JPS638476U (enExample) * | 1986-07-04 | 1988-01-20 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1572427A1 (de) * | 1967-05-06 | 1970-02-12 | Dual Gebrueder Steidinger | Lichtelektrischer Tonabnehmer |
-
1968
- 1968-11-26 DE DE19681810984 patent/DE1810984A1/de active Pending
-
1969
- 1969-11-18 GB GB56352/69A patent/GB1285611A/en not_active Expired
- 1969-11-25 JP JP44094014A patent/JPS5029321B1/ja active Pending
- 1969-11-25 FR FR6940595A patent/FR2024265A6/fr not_active Expired
- 1969-11-25 US US879693A patent/US3666896A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1810984A1 (de) | 1970-06-11 |
| FR2024265A6 (enExample) | 1970-08-28 |
| JPS5029321B1 (enExample) | 1975-09-22 |
| US3666896A (en) | 1972-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 416 | Proceeding under section 16 patents act 1949 | ||
| 429A | Application made for amendment of specification (sect. 29/1949) | ||
| 429H | Application (made) for amendment of specification now open to opposition (sect. 29/1949) | ||
| 429D | Case decided by the comptroller ** specification amended (sect. 29/1949) | ||
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |