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Class Information
Number: 352/172
Name: Optics: motion pictures > Camera and/or projector drive mechanisms > With indicating means > Film footage
Description: Subject matter wherein the indicating means shows either the amount of film fed, or the amount remaining to be fed by the drive mechanism.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6422702 |
Method for monitoring film remaining in a motion picture film magazine |
Jul. 23, 2002 |
| 5572271 |
Computer output microfilm canister |
Nov. 5, 1996 |
| 5467159 |
Film transport mechanism for camera |
Nov. 14, 1995 |
| 5021824 |
Recording apparatus having a detachable recording material storing unit |
Jun. 4, 1991 |
| 5016030 |
Apparatus for magnetically reading and recording on film |
May. 14, 1991 |
| 4918485 |
Roll film camera |
Apr. 17, 1990 |
| 4627695 |
Device for automatically metering and displaying the footage of delivered film contained in each of a plurality of interchangeable magazines adapted to be mounted on the body of a cinematograp |
Dec. 9, 1986 |
| 4576455 |
Dual motor reversible drive film magazine |
Mar. 18, 1986 |
| 4418994 |
Film magazine for motion picture camera |
Dec. 6, 1983 |
| 4316656 |
Information display arrangement for camera |
Feb. 23, 1982 |
| 4196985 |
Frame-counting device for use with film cassette |
Apr. 8, 1980 |
| 4174888 |
Automatic film transport monitoring system |
Nov. 20, 1979 |
| 4134649 |
Sound motion picture camera |
Jan. 16, 1979 |
| 4132467 |
Film end indicating device for motion picture cameras |
Jan. 2, 1979 |
| 4114995 |
Digital display of photographic data |
Sep. 19, 1978 |
| 4081211 |
Processing condition control system for a multi-purpose film handling cartridge |
Mar. 28, 1978 |
| 4043648 |
Film counter for use with a portable cine-camera |
Aug. 23, 1977 |
| 4041510 |
Indicating device for photographic apparatus |
Aug. 9, 1977 |
| 4030818 |
Motion picture sound camera |
Jun. 21, 1977 |
| 3977776 |
Motion picture camera with improved frame count indicator |
Aug. 31, 1976 |
| 3947861 |
Film frame counting devices for still cameras |
Mar. 30, 1976 |
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