GB1357925A - Sound transducer - Google Patents
Sound transducerInfo
- Publication number
- GB1357925A GB1357925A GB4011171A GB4011171A GB1357925A GB 1357925 A GB1357925 A GB 1357925A GB 4011171 A GB4011171 A GB 4011171A GB 4011171 A GB4011171 A GB 4011171A GB 1357925 A GB1357925 A GB 1357925A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulled
- film
- sound
- sound head
- aug
- 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
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
- G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Advancing Webs (AREA)
- Projection Apparatus (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6732570A | 1970-08-27 | 1970-08-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1357925A true GB1357925A (en) | 1974-06-26 |
Family
ID=22075242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4011171A Expired GB1357925A (en) | 1970-08-27 | 1971-08-26 | Sound transducer |
Country Status (5)
Country | Link |
---|---|
US (1) | US3678209A (enrdf_load_stackoverflow) |
JP (1) | JPS5251540Y2 (enrdf_load_stackoverflow) |
DE (1) | DE2142806A1 (enrdf_load_stackoverflow) |
FR (1) | FR2103550B1 (enrdf_load_stackoverflow) |
GB (1) | GB1357925A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52165703U (enrdf_load_stackoverflow) * | 1976-06-10 | 1977-12-15 | ||
JPH02130215U (enrdf_load_stackoverflow) * | 1989-03-31 | 1990-10-26 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2658954A (en) * | 1951-06-26 | 1953-11-10 | Rca Corp | Motion-picture film handling apparatus |
US3047671A (en) * | 1959-05-29 | 1962-07-31 | Bell & Howell Co | Sound motion picture projector |
US3233958A (en) * | 1962-10-24 | 1966-02-08 | Keystone Camera Company Inc | Motion picture sound projector |
US3352975A (en) * | 1963-04-10 | 1967-11-14 | Rca Corp | Motion picture apparatus with magnetic and optical sound reproducing means |
US3397290A (en) * | 1965-03-08 | 1968-08-13 | Eastman Kodak Co | Mechanism for positioning rollers and transducer means relative to a film strip |
US3576404A (en) * | 1967-10-31 | 1971-04-27 | Nippon Kogaku Kk | Device for optical and magnetic sound track on film reproduction |
-
1970
- 1970-08-27 US US67325A patent/US3678209A/en not_active Expired - Lifetime
-
1971
- 1971-08-26 FR FR717130926A patent/FR2103550B1/fr not_active Expired
- 1971-08-26 DE DE19712142806 patent/DE2142806A1/de active Pending
- 1971-08-26 GB GB4011171A patent/GB1357925A/en not_active Expired
- 1971-08-27 JP JP1971076822U patent/JPS5251540Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2103550B1 (enrdf_load_stackoverflow) | 1973-06-29 |
JPS5251540Y2 (enrdf_load_stackoverflow) | 1977-11-22 |
DE2142806A1 (de) | 1972-03-02 |
FR2103550A1 (enrdf_load_stackoverflow) | 1972-04-14 |
US3678209A (en) | 1972-07-18 |
JPS47185U (enrdf_load_stackoverflow) | 1972-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |