Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329031 | Photographic system for varying flash fire aperture as a function of ambient scene light | Peter P. Carcia, Arthur N. Woodbury | 1982-05-11 |
| 4315677 | Calibration arrangement for exposure control system | Bruce K. Johnson | 1982-02-16 |
| 4315676 | Camera with auto ranging focusing and flash fire control | Arthur G. LaRocque, Bruce K. Johnson | 1982-02-16 |
| 4307952 | Auto focus camera with electronic lens disc pawl release arrangement | Judy Bagdis, Bruce K. Johnson, Kenneth J. Launie | 1981-12-29 |
| 4297016 | Scanning shutter blade arrangement with dynamic apertures for ambient and flash exposures | Bruce K. Johnson | 1981-10-27 |
| 4291965 | Apparatus for automatically selecting a preselected focal position for a lens system | Bruce K. Johnson | 1981-09-29 |
| 4255031 | Photographic camera with dual purpose light indicator | Bruce K. Johnson, Arthur G. LaRocque | 1981-03-10 |
| 4255030 | Camera with proportional fill flash quench strobe | Bruce K. Johnson | 1981-03-10 |
| 4243309 | Walking beam latch and lens disc actuator arrangement | Bruce K. Johnson | 1981-01-06 |
| 4235539 | Photographic exposure control system utilizing a single photocell for three distinct purposes | Bruck K. Johnson, Arthur G. LaRocque | 1980-11-25 |
| 4209243 | Shutter and trim apparatus | Bruce K. Johnson | 1980-06-24 |
| 4192587 | Proportional fill flash | Arthur G. LaRocque, Bruce K. Johnson | 1980-03-11 |
| 4188103 | Range synchronized flash photographic apparatus and method for achieving optimum flash exposure | Conrad H. Biber, Bruce K. Johnson | 1980-02-12 |
| 4184760 | Scanning shutter blade arrangement with inertial wheel | — | 1980-01-22 |