FR2452454A1 - Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues - Google Patents
Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analoguesInfo
- Publication number
- FR2452454A1 FR2452454A1 FR7907893A FR7907893A FR2452454A1 FR 2452454 A1 FR2452454 A1 FR 2452454A1 FR 7907893 A FR7907893 A FR 7907893A FR 7907893 A FR7907893 A FR 7907893A FR 2452454 A1 FR2452454 A1 FR 2452454A1
- Authority
- FR
- France
- Prior art keywords
- circuit
- drive mechanism
- reduction gear
- main motor
- auxiliary motor
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/44—Speed-changing arrangements; Reversing arrangements; Drive transfer means therefor
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/50—Controlling, regulating, or indicating speed by mechanical linkage, e.g. clutch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907893A FR2452454A1 (fr) | 1979-03-29 | 1979-03-29 | Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7907893A FR2452454A1 (fr) | 1979-03-29 | 1979-03-29 | Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2452454A1 true FR2452454A1 (fr) | 1980-10-24 |
| FR2452454B3 FR2452454B3 (OSRAM) | 1981-12-31 |
Family
ID=9223701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7907893A Granted FR2452454A1 (fr) | 1979-03-29 | 1979-03-29 | Systeme d'entrainement a basse vitesse pour films, bandes magnetiques et analogues |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2452454A1 (OSRAM) |
-
1979
- 1979-03-29 FR FR7907893A patent/FR2452454A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2452454B3 (OSRAM) | 1981-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |