US3380359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera for synchro-flash photography
Assignee: Agfa Gevaert AG
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Filing: 1965-12-09
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Granted: 1968-04-30
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Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Landbrecht Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:30
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0452; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
IN A CAMERA FOR SYNCHRO-FLASH PHOTOGRAPHY, AN EXPOSURE METER INCLUDING A PAIR OF INTERCONNECTED MOVABLE CURRENT-CONDUCTING INDICATORS HAVING NORMALLY SPACED PORTIONS; A DIAPHRAGM SHUTTER INCLUDING SHUTTER MEANS MOVABLE FROM A NORMAL UNCOCKED POSITION IN WHICH THE DIAPHRAGM SHUTTER IS CLOSED TO A PLURALITY OF COCKED POSITIONS EACH OF WHICH CORRESPONDS TO A DIAPHRAGM OPENING OF A DIFFERENT SIZE, SAID SHUTTER MEANS HAVING A CURRENTCONDUCTING TRACKING PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID INDICATORS TO THEREBY DISPLACE THE PORTION OF SAID ONE INDICATOR INTO ENGAGEMENT WITH THE PORTION OF THE OTHER INDICATOR; A FIXED CURRENT-CONDUCTING ABUTMENT FOR SAID OTHER INDICATOR; A FLASH UNIT INCLUDING AN ELECTRIC CIRCUIT HAVING A FIRST TERMINAL CONNECTED WITH SAID TRACKING PORTION AND A SECOND TERMINAL CONNECTED WITH SAID ABUTMENT SO THAT SAID CIRCUIT IS COMPLETED THROUGH SAID INDICATORS WHEN THE TRACKING PORTION ENGAGES SAID ONE INDICATOR; AND COCKING MEANS FOR MOVING SAID SHUTTER MEANS TO A COCKED POSITION TO THEREBY MOVE SAID TRACKING PORTION FIRST INTO ENGAGEMENT WITH SAID ONE INDICATOR TO COMPLETE SAID CIRCUIT AND TO THEREUPON MOVE SAID TRACKING PORTION WITH SAID ONE INDICATOR UNTIL THE PORTION OF SAID ONE INDICATOR ABUTS AGAINST THE PORTION OF THE OTHER INDICATOR WHEREBY THE MOVEMENT OF SAID SHUTTER MEANS IS TERMINATED SUBSEQUENT TO COMPLETION OF SAID CIRCUIT AND IN A COCKED POSITION IN WHICH THE SIZE OF SAID OPENING IS A FUNCTION OF THE ANGULAR POSITION OF SAID INDICATORS.
Claim 2
Dependent Claim
233 words
IN A CAMERA FOR SYNCHRO-FLASH PHOTOGRAPHY, AN EXPOSURE METER INCLUDING A PAIR OF INTERCONNECTED MOVABLE CURRENT-CONDUCTING INDICATORS HAVING NORMALLY SPACED PORTIONS; A DIAPHRAGM SHUTTER INCLUDING SHUTTER MEANS MOVABLE FROM A NORMAL UNCOCKED POSITION IN WHICH THE DIAPHRAGM SHUTTER IS CLOSED TO A PLURALITY OF COCKED POSITIONS EACH OF WHICH CORRESPONDS TO A DIAPHRAGM OPENING OF A DIFFERENT SIZE, SAID SHUTTER MEANS HAVING A CURRENTCONDUCTING TRACKING PORTION MOVABLE INTO ENGAGEMENT WITH ONE OF SAID INDICATORS TO THEREBY DISPLACE THE PORTION OF SAID ONE INDICATOR INTO ENGAGEMENT WITH THE PORTION OF THE OTHER INDICATOR; A FIXED CURRENT-CONDUCTING ABUTMENT FOR SAID OTHER INDICATOR; A FLASH UNIT INCLUDING AN ELECTRIC CIRCUIT HAVING A FIRST TERMINAL CONNECTED WITH SAID TRACKING PORTION AND A SECOND TERMINAL CONNECTED WITH SAID ABUTMENT SO THAT SAID CIRCUIT IS COMPLETED THROUGH SAID INDICATORS WHEN THE TRACKING PORTION ENGAGES SAID ONE INDICATOR; AND COCKING MEANS FOR MOVING SAID SHUTTER MEANS TO A COCKED POSITION TO THEREBY MOVE SAID TRACKING PORTION FIRST INTO ENGAGEMENT WITH SAID ONE INDICATOR TO COMPLETE SAID CIRCUIT AND TO THEREUPON MOVE SAID TRACKING PORTION WITH SAID ONE INDICATOR UNTIL THE PORTION OF SAID ONE INDICATOR ABUTS AGAINST THE PORTION OF THE OTHER INDICATOR WHEREBY THE MOVEMENT OF SAID SHUTTER MEANS IS TERMINATED SUBSEQUENT TO COMPLETION OF SAID CIRCUIT AND IN A COCKED POSITION IN WHICH THE SIZE OF SAID OPENING IS A FUNCTION OF THE ANGULAR POSITION OF SAID INDICATORS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |