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Class Information
Number: 353/2TR
Name: Optics: image projectors >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
353/1	Kaleidoscopic	27
353/10	Relief illusion	125
353/100	Lens support	83
353/102	Particular condenser	259
353/103	Slide transfer mechanism	70
353/11	Target, map or navigation projection	28
353/119	Housing	609
353/120	Picture carrier	160
353/121	Methods	283
353/122	Miscellaneous	820
353/13	With or for vehicle	75
353/15	With sound accompaniment	60
353/20	Polarizer or interference filter	690
353/21	Editing or auxiliary viewing	10
353/22	Transparent plate	20
353/25	Selective data retrieval	106
353/28	Projected image combined with real object	203
353/29	Additional illumination of or near projected image	30
353/3	Heliostats	91
353/30	Composite projected image	384
353/38	Unitary plural refracting surfaces	286
353/39	Microprojector	22
353/4	Ascending heated air changes pictures	0
353/40	Scale or scale indicator projector	9
353/42	Pointer	79
353/43	Gun, flashlight or battery operated type	29
353/44	Simultaneous projection and manual delineation	19
353/46	Image moves on screen	43
353/5	Mapping or aerial photograph rectifying	6
353/52	Temperature control	152
353/62	Stencil or perforated plate projector (e.g., sky or cloud projector)	35
353/63	Epidiascope (i.e., selective opaque and transparency projector)	31
353/65	Episcope (i.e., opaque projector)	20
353/68	Selective slide and film strip projector	9
353/69	Distortion compensation	338
353/7	Stereoscopic	205
353/71	Selective projection on distant or cabinet screen	47
353/72	Projector or screen removable from common housing	39
353/74	Cabinet encloses projector and one side of screen	156
353/79	Structurally related projector and screen	168
353/81	Prism in light path	327
353/82	Plural projection paths with single light source	98
353/84	Color filter	395
353/85	Lamp control	200
353/88	Shutter	59
353/94	Plural	450
353/95	Film gate	64
353/97	Light shield, mask, hood, or diaphragm	244
353/98	Reflector	380
353/DIG.1	Slides stacked with surface to surface contact	19
353/DIG.2	Film strip	32
353/DIG.3	Transparent	89
353/DIG.4	Opaque	30
353/DIG.5	Transparency holder accessories	82
353/DIG.6	Head accessories	13