USPC Patent Classifications

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Class 353 optics: image projectors
uspcdescription
353/1353 optics: image projectors/(1) kaleidoscopic
353/2353 optics: image projectors/(1) kaleidoscopic (2) including particles loosely housed for agitation
353/3353 optics: image projectors/(3) heliostats
353/4353 optics: image projectors/(4) ascending heated air changes pictures
353/5353 optics: image projectors/(5) mapping or aerial photograph rectifying
353/6353 optics: image projectors/(5) mapping or aerial photograph rectifying (6) stereoscopic
353/7353 optics: image projectors/(7) stereoscopic
353/8353 optics: image projectors/(7) stereoscopic (8) polarizer
353/9353 optics: image projectors/(7) stereoscopic (9) slide transfer mechanism
353/10353 optics: image projectors/(10) relief illusion
353/11353 optics: image projectors/(11) target, map or navigation projection
353/12353 optics: image projectors/(11) target, map or navigation projection (12) with or for vehicle
353/13353 optics: image projectors/(13) with or for vehicle
353/14353 optics: image projectors/(13) with or for vehicle (14) instrument indicator
353/15353 optics: image projectors/(15) with sound accompaniment
353/16353 optics: image projectors/(15) with sound accompaniment (16) phonograph
353/17353 optics: image projectors/(15) with sound accompaniment (16) phonograph (17) in carrying case
353/18353 optics: image projectors/(15) with sound accompaniment (16) phonograph (18) cabinet encloses projector and one side of screen
353/19353 optics: image projectors/(15) with sound accompaniment (19) common picture and sound record carrier system
353/20353 optics: image projectors/(20) polarizer or interference filter
353/21353 optics: image projectors/(21) editing or auxiliary viewing
353/22353 optics: image projectors/(22) transparent plate
353/23353 optics: image projectors/(22) transparent plate (23) plate part of film gate
353/24353 optics: image projectors/(22) transparent plate (23) plate part of film gate (24) including lens support
353/25353 optics: image projectors/(25) selective data retrieval
353/26R353 optics: image projectors/(25) selective data retrieval (26r) film strip
353/26A353 optics: image projectors/(25) selective data retrieval (26r) film strip (26a) automatic
353/27R353 optics: image projectors/(25) selective data retrieval (27r) plural picture rows on single microcard
353/27A353 optics: image projectors/(25) selective data retrieval (27r) plural picture rows on single microcard (27a) automatic
353/28353 optics: image projectors/(28) projected image combined with real object
353/29353 optics: image projectors/(29) additional illumination of or near projected image
353/30353 optics: image projectors/(30) composite projected image
353/31353 optics: image projectors/(30) composite projected image (31) multicolor picture
353/32353 optics: image projectors/(30) composite projected image (31) multicolor picture (32) lenticular film
353/33353 optics: image projectors/(30) composite projected image (31) multicolor picture (33) prism
353/34353 optics: image projectors/(30) composite projected image (34) plural projection paths with single light source
353/35353 optics: image projectors/(30) composite projected image (35) slides and/or film superposed in projector
353/36353 optics: image projectors/(30) composite projected image (36) letters or numbers
353/37353 optics: image projectors/(30) composite projected image (37) reflector between lamp and screen
353/38353 optics: image projectors/(38) unitary plural refracting surfaces
353/39353 optics: image projectors/(39) microprojector
353/40353 optics: image projectors/(40) scale or scale indicator projector
353/41353 optics: image projectors/(40) scale or scale indicator projector (41) vernier or plural scales
353/42353 optics: image projectors/(42) pointer
353/43353 optics: image projectors/(43) gun, flashlight or battery operated type
353/44353 optics: image projectors/(44) simultaneous projection and manual delineation
353/45353 optics: image projectors/(44) simultaneous projection and manual delineation (45) score register
353/46353 optics: image projectors/(46) image moves on screen
353/47353 optics: image projectors/(46) image moves on screen (47) cabinet enclosed projector and one side of screen
353/48353 optics: image projectors/(46) image moves on screen (48) plural projectors or projection paths
353/49353 optics: image projectors/(46) image moves on screen (48) plural projectors or projection paths (49) single light source
353/50353 optics: image projectors/(46) image moves on screen (50) reflector between lamp and screen
353/51353 optics: image projectors/(46) image moves on screen (50) reflector between lamp and screen (51) plural
353/52353 optics: image projectors/(52) temperature control
353/53353 optics: image projectors/(52) temperature control (53) means to preheat slides or film
353/54353 optics: image projectors/(52) temperature control (54) liquid coolant
353/55353 optics: image projectors/(52) temperature control (55) heat filter
353/56353 optics: image projectors/(52) temperature control (56) heat resistant or insulating material
353/57353 optics: image projectors/(52) temperature control (57) blower
353/58353 optics: image projectors/(52) temperature control (57) blower (58) plural
353/59353 optics: image projectors/(52) temperature control (57) blower (59) common motor for blower and slide changer
353/60353 optics: image projectors/(52) temperature control (57) blower (60) air directed against face or back of object
353/61353 optics: image projectors/(52) temperature control (57) blower (61) particular air ducts or deflector
353/62353 optics: image projectors/(62) stencil or perforated plate projector (e.g., sky or cloud projector)
353/63353 optics: image projectors/(63) epidiascope (i.e., selective opaque and transparency projector)
353/64353 optics: image projectors/(63) epidiascope (i.e., selective opaque and transparency projector) (64) plural reflectors between lamp and screen
353/65353 optics: image projectors/(65) episcope (i.e., opaque projector)
353/66353 optics: image projectors/(65) episcope (i.e., opaque projector) (66) reflector between lamp and screen
353/67353 optics: image projectors/(65) episcope (i.e., opaque projector) (66) reflector between lamp and screen (67) cabinet encloses projector and one side of screen
353/68353 optics: image projectors/(68) selective slide and film strip projector
353/69353 optics: image projectors/(69) distortion compensation
353/70353 optics: image projectors/(69) distortion compensation (70) for projection axis inclined to screen
353/71353 optics: image projectors/(71) selective projection on distant or cabinet screen
353/72353 optics: image projectors/(72) projector or screen removable from common housing
353/73353 optics: image projectors/(72) projector or screen removable from common housing (73) plural reflectors between lamp and screen
353/74353 optics: image projectors/(74) cabinet encloses projector and one side of screen
353/75353 optics: image projectors/(74) cabinet encloses projector and one side of screen (75) light shield, mask, hood, or diaphragm
353/76353 optics: image projectors/(74) cabinet encloses projector and one side of screen (76) focus or variable magnification
353/77353 optics: image projectors/(74) cabinet encloses projector and one side of screen (77) reflector between lamp and screen
353/78353 optics: image projectors/(74) cabinet encloses projector and one side of screen (77) reflector between lamp and screen (78) plural
353/79353 optics: image projectors/(79) structurally related projector and screen
353/80353 optics: image projectors/(79) structurally related projector and screen (80) profile or silhouette
353/81353 optics: image projectors/(81) prism in light path
353/82353 optics: image projectors/(82) plural projection paths with single light source
353/83353 optics: image projectors/(82) plural projection paths with single light source (83) dissolve type
353/84353 optics: image projectors/(84) color filter
353/85353 optics: image projectors/(85) lamp control
353/86353 optics: image projectors/(85) lamp control (86) dissolve type
353/87353 optics: image projectors/(85) lamp control (87) lamp position adjustable
353/88353 optics: image projectors/(88) shutter
353/89353 optics: image projectors/(88) shutter (89) plural projection paths
353/90353 optics: image projectors/(88) shutter (89) plural projection paths (90) dissolve type
353/91353 optics: image projectors/(88) shutter (91) solenoid operated
353/92353 optics: image projectors/(88) shutter (92) slides reciprocated horizontally from magazine
353/93353 optics: image projectors/(88) shutter (93) dissolve type
353/94353 optics: image projectors/(94) plural
353/95353 optics: image projectors/(95) film gate
353/96353 optics: image projectors/(95) film gate (96) and lens support
353/97353 optics: image projectors/(97) light shield, mask, hood, or diaphragm
353/98353 optics: image projectors/(98) reflector
353/99353 optics: image projectors/(98) reflector (99) plural
353/100353 optics: image projectors/(100) lens support
353/101353 optics: image projectors/(100) lens support (101) lens position adjustable
353/102353 optics: image projectors/(102) particular condenser
353/103353 optics: image projectors/(103) slide transfer mechanism
353/104353 optics: image projectors/(103) slide transfer mechanism (104) for slides of various dimensions
353/105353 optics: image projectors/(103) slide transfer mechanism (105) magnetically operated
353/106353 optics: image projectors/(103) slide transfer mechanism (105) magnetically operated (106) solenoid
353/107353 optics: image projectors/(103) slide transfer mechanism (105) magnetically operated (106) solenoid (107) rotary slide carrier
353/108353 optics: image projectors/(103) slide transfer mechanism (108) slides fixed to movable carrier
353/109353 optics: image projectors/(103) slide transfer mechanism (108) slides fixed to movable carrier (109) endless chain or belt
353/110353 optics: image projectors/(103) slide transfer mechanism (108) slides fixed to movable carrier (110) disc
353/111353 optics: image projectors/(103) slide transfer mechanism (111) gravity operated
353/112353 optics: image projectors/(103) slide transfer mechanism (111) gravity operated (112) feeder magazine and receptacle
353/113353 optics: image projectors/(103) slide transfer mechanism (113) feeder magazine and receiver magazine
353/114353 optics: image projectors/(103) slide transfer mechanism (114) slides reciprocated horizontally
353/115353 optics: image projectors/(103) slide transfer mechanism (114) slides reciprocated horizontally (115) slides elevated
353/116353 optics: image projectors/(103) slide transfer mechanism (114) slides reciprocated horizontally (116) from magazine
353/117353 optics: image projectors/(103) slide transfer mechanism (114) slides reciprocated horizontally (116) from magazine (117) rotary magazine
353/118353 optics: image projectors/(103) slide transfer mechanism (118) slides gripped or hooked
353/119353 optics: image projectors/(119) housing
353/120353 optics: image projectors/(120) picture carrier
353/121353 optics: image projectors/(121) methods
353/122353 optics: image projectors/(122) miscellaneous

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