CH581331A5 - - Google Patents
Info
- Publication number
- CH581331A5 CH581331A5 CH396273A CH396273A CH581331A5 CH 581331 A5 CH581331 A5 CH 581331A5 CH 396273 A CH396273 A CH 396273A CH 396273 A CH396273 A CH 396273A CH 581331 A5 CH581331 A5 CH 581331A5
- Authority
- CH
- Switzerland
Links
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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
-
- 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
- G03B21/40—Eliminating or reducing effect of flicker
-
- 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
- G03B21/50—Control devices operated by the film strip during the run
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7210192A FR2177201A5 (US07847105-20101207-C00016.png) | 1972-03-23 | 1972-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH581331A5 true CH581331A5 (US07847105-20101207-C00016.png) | 1976-10-29 |
Family
ID=9095692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH396273A CH581331A5 (US07847105-20101207-C00016.png) | 1972-03-23 | 1973-03-19 |
Country Status (15)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1603841C3 (de) * | 1967-08-11 | 1982-02-25 | Hilti AG, 9494 Schaan | Pulverkraftbetriebenes Setzgerät zum Eintreiben von Befestigungselementen |
| JPS5255611A (en) * | 1975-10-31 | 1977-05-07 | Matsushita Electric Ind Co Ltd | Magnetic recording and playback apparatus |
| JPS5395837U (US07847105-20101207-C00016.png) * | 1977-01-05 | 1978-08-04 | ||
| FR2430627A1 (fr) * | 1978-07-06 | 1980-02-01 | Dubos Jean | Dispositif d'entrainement et d'obturation pour appareils de prise de vues, de vision, de projection de films petits formats |
| JPS60132344U (ja) * | 1984-02-15 | 1985-09-04 | シャープ株式会社 | プリンタにおける用紙送り装置 |
| DE3719560A1 (de) * | 1987-06-11 | 1988-12-29 | Bayerische Motoren Werke Ag | Positioniereinrichtung |
| EP1998434A2 (en) | 2007-05-28 | 2008-12-03 | Seiko Epson Corporation | Drive control circuit for electric motor and elctric motor equipped with same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3385984A (en) * | 1965-03-29 | 1968-05-28 | Gen Precision Inc | Variable reluctance stepper motor damper |
| US3593097A (en) * | 1969-06-24 | 1971-07-13 | Chandler Evans Inc | Digital proportional servosystem |
| US3626269A (en) * | 1969-08-25 | 1971-12-07 | Calma Co | Stepping motor drive |
| US3628119A (en) * | 1970-04-22 | 1971-12-14 | Ibm | Two-speed by-directional, closed loop stepper motor control circuit |
| US3660746A (en) * | 1970-06-09 | 1972-05-02 | Ex Cell O Corp | A stepping motor damping system |
| US3752959A (en) * | 1971-12-20 | 1973-08-14 | Superior Electric Co | Perforated tape reader |
-
1972
- 1972-03-23 FR FR7210192A patent/FR2177201A5/fr not_active Expired
-
1973
- 1973-03-15 AT AT233073A patent/AT349890B/de not_active IP Right Cessation
- 1973-03-19 CH CH396273A patent/CH581331A5/xx not_active IP Right Cessation
- 1973-03-19 CA CA166,563A patent/CA981946A/en not_active Expired
- 1973-03-19 AU AU53435/73A patent/AU476890B2/en not_active Expired
- 1973-03-21 DD DD169622A patent/DD104143A5/xx unknown
- 1973-03-21 US US00343403A patent/US3849715A/en not_active Expired - Lifetime
- 1973-03-21 NL NL737303938A patent/NL152991B/xx not_active IP Right Cessation
- 1973-03-22 BE BE129133A patent/BE797179A/xx unknown
- 1973-03-22 SE SE7304055A patent/SE388947B/xx unknown
- 1973-03-22 GB GB1382273A patent/GB1424042A/en not_active Expired
- 1973-03-23 IT IT22058/73A patent/IT981557B/it active
- 1973-03-23 JP JP3337173A patent/JPS535931B2/ja not_active Expired
- 1973-03-23 DE DE2314599A patent/DE2314599C3/de not_active Expired
-
1977
- 1977-02-10 HK HK86/77A patent/HK8677A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU5343573A (en) | 1974-09-19 |
| JPS535931B2 (US07847105-20101207-C00016.png) | 1978-03-03 |
| IT981557B (it) | 1974-10-10 |
| BE797179A (fr) | 1973-09-24 |
| HK8677A (en) | 1977-02-17 |
| DE2314599C3 (de) | 1979-05-23 |
| CA981946A (en) | 1976-01-20 |
| JPS498225A (US07847105-20101207-C00016.png) | 1974-01-24 |
| ATA233073A (de) | 1978-09-15 |
| NL152991B (nl) | 1977-04-15 |
| NL7303938A (US07847105-20101207-C00016.png) | 1973-09-25 |
| DE2314599A1 (de) | 1973-10-11 |
| DD104143A5 (US07847105-20101207-C00016.png) | 1974-02-20 |
| US3849715A (en) | 1974-11-19 |
| FR2177201A5 (US07847105-20101207-C00016.png) | 1973-11-02 |
| DE2314599B2 (US07847105-20101207-C00016.png) | 1978-09-21 |
| SE388947B (sv) | 1976-10-18 |
| AT349890B (de) | 1979-04-25 |
| GB1424042A (en) | 1976-02-04 |
| AU476890B2 (en) | 1976-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |