Shutter release mechanism with changeover device for flash photography
Abstract
Abstract A CAMERA SHUTTER RELEASE MECHANISM HAVING A DETECTOR SENSING AND RESPONSE TO THE MOUNTING AND REMOVAL OF A FLASH DEVICE ON A CAMERA IN WHICH THE SHUTTER RELEASE MECHANISM IS MOUNTED. AUTOMATIC CHANGE-OVER MEANS AUTOMATICALLY CHANGE THE SHUTTER RELEASE MECHANISM AMONG DIFFERENT MODES OF OPERATION FOR TAKING A DAYLIGHT EXPOSURE WITHOUT USE OF A FLASH WHETHER OR NOT A FLASH DEVICE IS MOUNTED ON THE CAMERA. IF THE BRIGHTNESS OF THE SUBJECT BEING PHOTOGRAPHED IS ADEQUATE THE FLASH DEVICE IS NOT USED AND THE EXPOSURE IS TAKEN WITHOUT A FLASH. IF THE FLASH DEVICE IS NOT MOUNTED ON THE CAMERA BUT YET BRIGHTNESS CONDITIONS REQUIRE A FLASH EXPOSURE THE MECHANISM AUTOMATICALLY PROVIDES FOR A TIMED EXPOSURE. IF THE FLASH DEVICE IS MOUNTED AND CONDITIONS REQUIRE ITS USE A FLASH EXPOSURE IS ACCOMPLISHED BY THE CHANGE-OVER DEVICE IN THE SHUTTER RELEASE MECHANISM.
Inventors
- 👤 K Kitai
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |