US Patent Class 352
OPTICS: MOTION PICTURES-- Main Headings



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Current as of: June, 1999
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CLASS NOTES
1  DF  WITH SOUND ACCOMPANIMENT {12}
38  DF  METHODS {4}
57  DF  STEREOSCOPIC CAMERAS AND/OR PROJECTORS {4}
66  DF  COLOR CAMERAS AND/OR PROJECTORS USING MONOCHROME FILM {1}
68  DF  RECORDING OR PROJECTING PICTURE IMAGE DURING CHANGE CYCLE OF PRECEDING PICTURE
69  DF  PANORAMIC PICTURE TYPE {1}
72  DF  REMOVABLE FILM STRIP MAGAZINE TYPE {5}
79  DF  WITH PLURAL PICTURE SIZES AND TYPES {1}
81  DF  INTERLINEATED PICTURE TYPE
82  DF  WITH PICTURES IN TRANSVERSE ROWS
83  DF  WITH PICTURES IN PLURAL LONGITUDINAL COLUMNS
84  DF  TIME COMPRESSION OR EXPANSION (E.G., TIME LAPSE OR HIGH SPEED)
85  DF  SPECIAL EFFECTS {5}
92  DF  WITH FILM CARRIED CONTROL SIGNALS
93  DF  CAMERA WITH PLURAL FIELDS OF VIEW
94  DF  CAMERA WITH DEFLECTED FIELD OF VIEW
95  DF  GUN-TYPE CAMERAS AND/OR PROJECTORS
96  DF  OPAQUE PROJECTORS
97  DF  WITH SUPERIMPOSED FILM STRIPS
98  DF  INDIVIDUAL PICTURE PLATE TYPE {2}
101  DF  PICTURE DRUM TYPE (E.G., AEOTROPES)
102  DF  PICTURE DISC TYPE {1}
104  DF  CABINET-TYPE PROJECTOR
105  DF  OPTICAL RECTIFIER TYPE {6}
121  DF  SEQUENTIALLY OPERATED STILL CAMERAS {1}
123  DF  EXHIBITORS WITH PLURAL FILM STRIP SELECTION
124  DF  WITH REWINDING OF FILM STRIPS {1}
126  DF  WITH NONREWINDING FILM STRIP (E.G., ENDLESS FILM TYPE) {2}
129  DF  FILM STRIP VIEWING APPARATUS
130  DF  WITH FILM TREATING OR WORKING
131  DF  COMBINED WITH DIVERSE-TYPE DEVICE {1}
133  DF  PLURAL {2}
136  DF  COVERTIBLE {2}
139  DF  WITH CAMERA PARTS DISPLACEABLE FOR FOCUSING
140  DF  WITH FOCUS CONTROL
141  DF  WITH AUTOMATIC DIAPHRAGM CONTROL
142  DF  WITH SELECTION OF PLURAL LENSES
143  DF  WITH FILM STRIP FIRE PREVENTION OR ISOLATION {4}
156  DF  WITH CONCENTRIC REEL
157  DF  WITH THREADING STRUCTURE {1}
159  DF  WITH LOOP FORMING
160  DF  WITH FRAMING AND/OR TRAVEL GHOST ELIMINATION {4}
166  DF  CAMERA AND/OR PROJECTOR DRIVE MECHANISMS {14}
198  DF  PROJECTION LIGHT SOURCES {5}
204  DF  SHUTTERS {3}
221  DF  GATES {9}
232  DF  PICTURE CARRIERS {1}
242  DF  WITH HOUSING
243  DF  WITH SUPPORT
244  DF  MISCELLANEOUS