US Patent Class 353
OPTICS: IMAGE PROJECTORS



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  KALEIDOSCOPIC
2  DF  .~ Including particles loosely housed for agitation
3  DF  HELIOSTATS
4  DF  ASCENDING HEATED AIR CHANGES PICTURES
5  DF  MAPPING OR AERIAL PHOTOGRAPH RECTIFYING
6  DF  .~ Stereoscopic
7  DF  STEREOSCOPIC
8  DF  .~ Polarizer
9  DF  .~ Slide transfer mechanism
10  DF  RELIEF ILLUSION
11  DF  TARGET, MAP OR NAVIGATION PROJECTION
12  DF  .~ With or for vehicle
13  DF  WITH OR FOR VEHICLE
14  DF  .~ Instrument indicator
15  DF  WITH SOUND ACCOMPANIMENT
16  DF  .~ Phonograph
17  DF  .~.~ In carrying case
18  DF  .~.~ Cabinet encloses projector and one side of screen
19  DF  .~ Common picture and sound record carrier system
20  DF  POLARIZER OR INTERFERENCE FILTER
21  DF  EDITING OR AUXILIARY VIEWING
22  DF  TRANSPARENT PLATE
23  DF  .~ Plate part of film gate
24  DF  .~.~ Including lens support
25  DF  SELECTIVE DATA RETRIEVAL
26 R  DF  .~ Film strip
26 A  DF  .~.~ Automatic
27 R  DF  .~ Plural picture rows on single microcard
27 A  DF  .~.~ Automatic
28  DF  PROJECTED IMAGE COMBINED WITH REAL OBJECT
29  DF  ADDITIONAL ILLUMINATION OF OR NEAR PROJECTED IMAGE
30  DF  COMPOSITE PROJECTED IMAGE
31  DF  .~ Multicolor picture
32  DF  .~.~ Lenticular film
33  DF  .~.~ Prism
34  DF  .~ Plural projection paths with single light source
35  DF  .~ Slides and/or film superposed in projector
36  DF  .~ Letters or numbers
37  DF  .~ Reflector between lamp and screen
38  DF  UNITARY PLURAL REFRACTING SURFACES
39  DF  MICROPROJECTOR
40  DF  SCALE OR SCALE INDICATOR PROJECTOR
41  DF  .~ Vernier or plural scales
42  DF  POINTER
43  DF  GUN, FLASHLIGHT OR BATTERY OPERATED TYPE
44  DF  SIMULTANEOUS PROJECTION AND MANUAL DELINEATION
45  DF  .~ Score register
46  DF  IMAGE MOVES ON SCREEN
47  DF  .~ Cabinet enclosed projector and one side of screen
48  DF  .~ Plural projectors or projection paths
49  DF  .~.~ Single light source
50  DF  .~ Reflector between lamp and screen
51  DF  .~.~ Plural
52  DF  TEMPERATURE CONTROL
53  DF  .~ Means to preheat slides or film
54  DF  .~ Liquid coolant
55  DF  .~ Heat filter
56  DF  .~ Heat resistant or insulating material
57  DF  .~ Blower
58  DF  .~.~ Plural
59  DF  .~.~ Common motor for blower and slide changer
60  DF  .~.~ Air directed against face or back of object
61  DF  .~.~ Particular air ducts or deflector
62  DF  STENCIL OR PERFORATED PLATE PROJECTOR (E.G., SKY OR CLOUD PROJECTOR)
63  DF  EPIDIASCOPE (I.E., SELECTIVE OPAQUE AND TRANSPARENCY PROJECTOR)
64  DF  .~ Plural reflectors between lamp and screen
65  DF  EPISCOPE (I.E., OPAQUE PROJECTOR)
66  DF  .~ Reflector between lamp and screen
67  DF  .~.~ Cabinet encloses projector and one side of screen
68  DF  SELECTIVE SLIDE AND FILM STRIP PROJECTOR
69  DF  DISTORTION COMPENSATION
70  DF  .~ For projection axis inclined to screen
71  DF  SELECTIVE PROJECTION ON DISTANT OR CABINET SCREEN
72  DF  PROJECTOR OR SCREEN REMOVABLE FROM COMMON HOUSING
73  DF  .~ Plural reflectors between lamp and screen
74  DF  CABINET ENCLOSES PROJECTOR AND ONE SIDE OF SCREEN
75  DF  .~ Light shield, mask, hood, or diaphragm
76  DF  .~ Focus or variable magnification
77  DF  .~ Reflector between lamp and screen
78  DF  .~.~ Plural
79  DF  STRUCTURALLY RELATED PROJECTOR AND SCREEN
80  DF  .~ Profile or silhouette
81  DF  PRISM IN LIGHT PATH
82  DF  PLURAL PROJECTION PATHS WITH SINGLE LIGHT SOURCE
83  DF  .~ Dissolve type
84  DF  COLOR FILTER
85  DF  LAMP CONTROL
86  DF  .~ Dissolve type
87  DF  .~ Lamp position adjustable
88  DF  SHUTTER
89  DF  .~ Plural projection paths
90  DF  .~.~ Dissolve type
91  DF  .~ Solenoid operated
92  DF  .~ Slides reciprocated horizontally from magazine
93  DF  .~ Dissolve type
94  DF  PLURAL
95  DF  FILM GATE
96  DF  .~ And lens support
97  DF  LIGHT SHIELD, MASK, HOOD, OR DIAPHRAGM
98  DF  REFLECTOR
99  DF  .~ Plural
100  DF  LENS SUPPORT
101  DF  .~ Lens position adjustable
102  DF  PARTICULAR CONDENSER
103  DF  SLIDE TRANSFER MECHANISM
104  DF  .~ For slides of various dimensions
105  DF  .~ Magnetically operated
106  DF  .~.~ Solenoid
107  DF  .~.~.~ Rotary slide carrier
108  DF  .~ Slides fixed to movable carrier
109  DF  .~.~ Endless chain or belt
110  DF  .~.~ Disc
111  DF  .~ Gravity operated
112  DF  .~.~ Feeder magazine and receptacle
113  DF  .~ Feeder magazine and receiver magazine
114  DF  .~ Slides reciprocated horizontally
115  DF  .~.~ Slides elevated
116  DF  .~.~ From magazine
117  DF  .~.~.~ Rotary magazine
118  DF  .~ Slides gripped or hooked
119  DF  HOUSING
120  DF  PICTURE CARRIER
121  DF  METHODS
122  DF  MISCELLANEOUS
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DIGESTS
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DIG 1  DD  Slides stacked with surface to surface contact
DIG 2  DD  Film strip
DIG 3  DD  Transparent
DIG 4  DD  Opaque
DIG 5  DD  Transparency holder accessories
DIG 6  DD  Head accessories