Nchronizing assembly for cameras
Abstract
Abstract A FLASH-SYNCHRONIZING ASSEMBLY FOR CAMERAS, ENABLING THE INSTANT OF FLASH IGNITION TO BE SELECTED ACCORDING TO THE TYPE OF FLASH AND THE SHUTTER SPEED. A PAIR OF COAXIAL CAMS ARE PROVIDED TO BE SELECTIVELY POSITIONED ANGULARLY RESPECTIVELY ACCORDING TO POSITIONS CORRESPONDING TO THE TYPE OF FLASH AND TO THE SHUTTER SPEED. A CAM FOLLOWER IS SWINGABLE ON A ROD CARRIED BY A SWINGLEVER WHICH TURNS ABOUT A GIVEN AXIS. THIS CAM FOLLOWER ENGAGES BOTH OF THE CAMS TO DETERMINE FROM THE LATTER THE ANGULAR POSITION OF THE SWING-LEVER, SO THAT THIS LATTER POSITION WILL BE IN ACCORDANCE WITH THE SELECTED COMBINATION OF FLASH TYPE AND SHUTTER SPEED. A NORMALLY STATIONARY CONTACT OF A FLASH CIRCUIT IS CARRIED BY THE SWING-LEVER TO BE POSITIONED AS A LOCATION DETERMINED BY THE COMBINED POSITIONS OF THE CAMS. A MOVABLE CONTACT IS RELEASED, UPON INITIATION OF AN EXPOSURE, FOR MOVEMENT INTO ENGAGMENT WITH THE NORMALLY STATIONARY CONTACT SO AS TO BRING ABOUT CLOSING OF THE FLASH CIRCUIT AT AN INSTANT WHICH WILL BE BEST FOR THE PARTICULAR TYPE OF FLASH AND SHUTTER SPEED WHICH HAVE BEEN SELECTED.
Inventors
- 👤 Fumio Urano
Bibliographic Details
Claims Analysis
Total Claims: 1References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |