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Class Information
Number: 352/170
Name: Optics: motion pictures > Camera and/or projector drive mechanisms > With indicating means
Description: Subject matter including means to indicate to the operator of the camera or projector information pertaining to the operation of the drive mechanism, (e.g., motor spring tension, position of the shutter, etc.).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5065180 |
Image recording apparatus having means for preventing sheet cartridge from its free disassembly |
Nov. 12, 1991 |
| 5049911 |
Device for indicating a remaining quantity of recordable parts of a recording material in a camera |
Sep. 17, 1991 |
| 4938585 |
Method and apparatus for high speed recording of images and of information associated with the images |
Jul. 3, 1990 |
| 4669840 |
Cinematograph camera flicker control and/or indicating device |
Jun. 2, 1987 |
| 4331395 |
Motion picture camera |
May. 25, 1982 |
| 4290679 |
Camera |
Sep. 22, 1981 |
| 4278333 |
Camera with action indicator |
Jul. 14, 1981 |
| 4274730 |
System for inputting information into digital control circuit means of a camera |
Jun. 23, 1981 |
| 4269489 |
Camera and error preventing circuit therefor |
May. 26, 1981 |
| 4265528 |
Photographic camera with automatic focussing system |
May. 5, 1981 |
| 4240720 |
Motion picture camera |
Dec. 23, 1980 |
| 4239356 |
System for the performance of photographing with a motion picture camera, still picture camera or television camera |
Dec. 16, 1980 |
| 4217615 |
Tape measurement and position system |
Aug. 12, 1980 |
| 4174888 |
Automatic film transport monitoring system |
Nov. 20, 1979 |
| 4134649 |
Sound motion picture camera |
Jan. 16, 1979 |
| 4114995 |
Digital display of photographic data |
Sep. 19, 1978 |
| 4092062 |
Signal device for electro-acoustic reproducing equipment |
May. 30, 1978 |
| 4030820 |
Automatic fading device for motion picture camera |
Jun. 21, 1977 |
| 4003093 |
Apparatus for indicating tape end in a tape recorder and battery level |
Jan. 11, 1977 |
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