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Class Information
Number: 353
Name: Optics: image projectors >
Description: This class provides for projectors not elsewhere classified. This class includes the projectors for particular types of objects to be projected; such as maps and aerial photographs, targets, transparent plates, information data, microscopic objects, scales and indicators, and stencils or perforated plates. Various other species and types of projectors are also included here such as kaleidoscopic, heliostats, stereoscopic and relief, pointers, gun type, moving images on screens, episcopes and cabinets including screens.


Class Number Class Name No. of Patents
353/29

Additional illumination of or near projected image

29
353/4

Ascending heated air changes pictures

0
353/74

Cabinet encloses projector and one side of screen

156
353/76

Focus or variable magnification

39
353/75

Light shield, mask, hood, or diaphragm

35
353/77

Reflector between lamp and screen

145
353/78

Plural

129
353/84

Color filter

393
353/30

Composite projected image

383
353/36

Letters or numbers

5
353/31

Multicolor picture

1015
353/32

Lenticular film

25
353/33

Prism

338
353/34

Plural projection paths with single light source

370
353/37

Reflector between lamp and screen

359
353/35

Slides and/or film superposed in projector

23
353/69

Distortion compensation

336
353/70

For projection axis inclined to screen

215
353/21

Editing or auxiliary viewing

10
353/63

Epidiascope (i.e., selective opaque and transparency projector)

31
353/64

Plural reflectors between lamp and screen

13
353/65

Episcope (i.e., opaque projector)

20
353/66

Reflector between lamp and screen

40
353/67

Cabinet encloses projector and one side of screen

10
353/95

Film gate

64
353/96

And lens support

13
353/DIG.2

Film strip

32
353/43

Gun, flashlight or battery operated type

29
353/DIG.6

Head accessories

13
353/3

Heliostats

91
353/119

Housing

606
353/46

Image moves on screen

43
353/47

Cabinet enclosed projector and one side of screen

10
353/48

Plural projectors or projection paths

24
353/49

Single light source

15
353/50

Reflector between lamp and screen

32
353/51

Plural

16
353/1

Kaleidoscopic

27
353/2

Including particles loosely housed for agitation

18
353/85

Lamp control

196
353/86

Dissolve type

18
353/87

Lamp position adjustable

64
353/100

Lens support

83
353/101

Lens position adjustable

349
353/97

Light shield, mask, hood, or diaphragm

244
353/5

Mapping or aerial photograph rectifying

6
353/6

Stereoscopic

9
353/121

Methods

279
353/39

Microprojector

22
353/122

Miscellaneous

818
353/DIG.4

Opaque

30
353/102

Particular condenser

258
353/120

Picture carrier

160
353/82

Plural projection paths with single light source

97
353/83

Dissolve type

2
353/94

Plural

445
353/42

Pointer

79
353/20

Polarizer or interference filter

687
353/81

Prism in light path

326
353/28

Projected image combined with real object

203
353/72

Projector or screen removable from common housing

39
353/73

Plural reflectors between lamp and screen

11
353/98

Reflector

376
353/99

Plural

413
353/10

Relief illusion

123
353/40

Scale or scale indicator projector

9
353/41

Vernier or plural scales

3
353/25

Selective data retrieval

106
353/26R

Film strip

74
353/26A

Automatic

100
353/27R

Plural picture rows on single microcard

126
353/27A

Automatic

52
353/71

Selective projection on distant or cabinet screen

47
353/68

Selective slide and film strip projector

9
353/88

Shutter

59
353/93

Dissolve type

7
353/89

Plural projection paths

16
353/90

Dissolve type

6
353/92

Slides reciprocated horizontally from magazine

4
353/91

Solenoid operated

1
353/44

Simultaneous projection and manual delineation

19
353/45

Score register

3
353/103

Slide transfer mechanism

70
353/113

Feeder magazine and receiver magazine

16
353/104

For slides of various dimensions

12
353/111

Gravity operated

16
353/112

Feeder magazine and receptacle

13
353/105

Magnetically operated

1
353/106

Solenoid

1
353/107

Rotary slide carrier

5
353/108

Slides fixed to movable carrier

22
353/110

Disc

23
353/109

Endless chain or belt

23
353/118

Slides gripped or hooked

22
353/114

Slides reciprocated horizontally

14
353/116

From magazine

27
353/117

Rotary magazine

31
353/115

Slides elevated

2
353/DIG.1

Slides stacked with surface to surface contact

19
353/62

Stencil or perforated plate projector (e.g., sky or cloud projector)

35
353/7

Stereoscopic

203
353/8

Polarizer

63
353/9

Slide transfer mechanism

7
353/79

Structurally related projector and screen

168
353/80

Profile or silhouette

10
353/11

Target, map or navigation projection

28
353/12

With or for vehicle

32
353/52

Temperature control

150
353/57

Blower

163
353/60

Air directed against face or back of object

122
353/59

Common motor for blower and slide changer

2
353/61

Particular air ducts or deflector

194
353/58

Plural

60
353/55

Heat filter

26
353/56

Heat resistant or insulating material

26
353/54

Liquid coolant

49
353/53

Means to preheat slides or film

6
353/DIG.5

Transparency holder accessories

82
353/22

Transparent plate

20
353/23

Plate part of film gate

23
353/24

Including lens support

6
353/DIG.3

Transparent

89
353/38

Unitary plural refracting surfaces

284
353/13

With or for vehicle

75
353/14

Instrument indicator

45
353/15

With sound accompaniment

60
353/19

Common picture and sound record carrier system

28
353/16

Phonograph

3
353/18

Cabinet encloses projector and one side of screen

6
353/17

In carrying case

3
 
 
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