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IPC 7
 
G03-G03B00970
  G03B 11/00 - G03B 19/26  

SECTION G – PHYSICS


G 03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY (reproduction of pictures or patterns by scanning and converting into electrical signals H04N) [4]


G 03 BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) [4]


Note

 This subclass covers, as far as processes are concerned, only processes characterised by the use or manipulation of apparatus classifiable per se in this subclass.


Subclass Index

DETAILS 

Common to at least two of cameras, projectors and printers 

G03B 1/00 to G03B 5/00 

Common to cameras only 

exposure, control thereof 

G03B 7/00, G03B 9/00 

viewfinders, focusing aids 

G03B 13/00 

filters; constructional details, accessories 

G03B 11/00; G03B 17/00 

special procedures for taking photographs 

G03B 15/00 

Common to projectors only 

G03B 21/00, G03B 23/00 

Common to printers only 

G03B 27/00 

APPARATUS 

Cameras 

G03B 19/00 

Projectors, viewers; devices for changing pictures 

G03B 21/00, G03B 25/00; G03B 23/00 

Printing apparatus 

G03B 27/00 

Combinations with other apparatus 

G03B 29/00 

SPECIAL TECHNIQUES 

Associated working with sound apparatus 

G03B 31/00 

Colour photography; stereoscopic photography; panoramic photography; high-speed photography 

G03B 33/00; G03B 35/00; G03B 37/00; G03B 39/00 

Other techniques 

G03B 41/00 

Using waves other than optical waves, visualisation 

G03B 42/00 

TESTING 

G03B 43/00 



Details common to at least two of the following types of apparatus: cameras, projectors, printers (details common to cameras only G03B 7/00 to G03B 17/00, to projectors only G03B 21/00, G03B 23/00, to printers only G03B 27/00)


1/

00Film-strip handling

1/

02.Moving film strip by pull on end thereof

1/

04..Pull exerted by take-up spool

1/

06...rotated by lever-operated ratchet and pawl

1/

08...rotated by band, chain, rack, or other linear reciprocating operation

1/

10...rotated by knob through gearing

1/

12...rotated by motor, e.g. spring

1/

14..Special arrangements to ensure constant length of movement of film

1/

16...by film-arresting pins

1/

18.Moving film strip by means which act on the film between the ends thereof

1/

20..Acting means

1/

22...Claws or pins engaging holes in the film

1/

24...Sprockets engaging holes in the film

1/

26...Spiked wheels or pins not penetrating the film

1/

28...Shuttle feed

1/

30...Belt feed

1/

32...Friction grippers or rollers

1/

34...Beaters

1/

36...Pneumatic acting means

1/

38..embodying Geneva motion, e.g. Maltese-cross gearing

1/

40.embodying frictional coupling or clutches

1/

42.Guiding, framing, or constraining film in desired position relative to lens system

1/

44..Guides engaging edge of film (gates G03B 1/48)

1/

46..Rollers engaging face of film, e.g. barrel, waisted, conical (gates G03B 1/48)

1/

48..Gates or pressure devices, e.g. plate

1/

50...adjustable or interchangeable, e.g. for different film widths

1/

52...Pneumatic pressure devices

1/

54..Tensioning or loop-maintaining devices

1/

56.Threading; Loop forming

1/

58..automatic

1/

60.Measuring or indicating length of the used or unused film; Counting number of exposures (measuring length in general G01B)

1/

62..involving locking or stop-motion devices

1/

64..by means which ascertain the radius of the film coiled on a spool

1/

66..Counting number of exposures (counting mechanisms per se G06M)


3/

00Focusing arrangements (focusing means, autofocus systems for cameras G03B 13/00; means for automatic focusing of projectors G03B 21/53; means for automatic focusing of projection-printing apparatus or copying cameras G03B 27/34, G03F)

3/

02.moving lens along baseboard

3/

04.adjusting position of image plane without moving lens

3/

06..using movable reflectors to alter length of light-path

3/

10.Power-operated focusing

3/

12..adapted for remote control (control systems in general G05)


5/

00Adjustment of optical system relative to image or object surface other than for focusing

5/

02.Lateral adjustment of lens

5/

04.Vertical adjustment of lens; Rising fronts

5/

06.Swinging lens about normal to the optical axis

5/

08.Swing backs


Details common to cameras


7/

00Control of exposure by setting shutters, diaphragms, or filters separately or conjointly (measuring intensity of light G01J; control of exposure in television cameras by means of circuitry for compensating for variation in the brightness of the object H04N 5/235)

7/

02.Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from, or built into, camera body

7/

04.Control effected by hand adjustment of a member that senses indication of a pointer of a built-in light-sensitive device, e.g. by restoring pointer to a fixed associated reference mark

7/

06..by a follow-up movement of an associated reference mark to the pointer

7/

08.Control effected solely by response to built-in light-sensitive device to the intensity of light received by the camera

7/

081..Analogue circuits  [3]

7/

083...for control of exposure time  [3]

7/

085...for control of aperture  [3]

7/

087...for control of both exposure time and aperture  [3]

7/

089...for storage of exposure value in mirror reflex cameras  [3]

7/

091..Digital circuits  [3]

7/

093...for control of exposure time  [3]

7/

095...for control of aperture  [3]

7/

097...for control of both exposure time and aperture  [3]

7/

099..Arrangement of photoelectric elements in or on the camera  [3]

7/

10..a servo-motor providing energy to move the setting member

7/

12..a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter

7/

14...setting of both shutter and diaphragm aperture being effected so as to give the optimum compromise between depth of field and shortness of exposure

7/

16.in accordance with both the intensity of the flash source and the distance of the flash source from object, e.g. in accordance with "guide number" of flash bulb and the focusing of the camera

7/

18.in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera

7/

20.in accordance with change of lens

7/

22.in accordance with temperature or height, e.g. in aircraft

7/

24.automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera  [3]

7/

26.Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage  [3]

7/

28.Circuitry to measure or to take account of the object contrast  [3]


9/

00Exposure-making shutters; Diaphragms

9/

02.Diaphragms  [2]

9/

04..Single movable plate with two or more apertures of graded size, e.g. sliding plate, pivoting plate

9/

06..Two or more co-operating pivoted blades e.g. iris type (shutters functioning as diaphragms by limiting extent of opening movement G03B 9/08)

9/

07..with means for presetting the diaphragm

9/

08.Shutters (electro-, magneto-, or acousto-optical shutters G02F 1/00)  [2]

9/

10..Blade or disc rotating or pivoting about axis normal to its plane

9/

12...Two relatively-adjustable aperture-defining members moving as a unit

9/

14...Two separate members moving in opposite directions

9/

16...Two separate members moving in the same direction

9/

18...More than two members

9/

20....each moving in a single direction first to open and then to reclose

9/

22....each moving in one direction to open and then in opposite direction to close, e.g. iris type

9/

24...Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable

9/

26...incorporating cover blade or blades

9/

28..Roller blind or flexible plate

9/

30...Single blind with multiple slots or other aperture

9/

32...Double blind

9/

34....with adjustable slot; with mechanism controlling relative movement of blinds to form slot

9/

36..Sliding rigid plate

9/

38...Single rigid plate with multiple slots or other apertures

9/

40...Double plate

9/

42....with adjustable slot; with mechanism controlling relative movement of plates to form slot

9/

44...Curved track and plate

9/

46..Flap shutters pivoting about axis in plane of flap

9/

48...Double flap

9/

50...Louvre type

9/

52..Barrel shutters

9/

54..Conical shutters; Rotating plate with axis of rotation inclined to optical axis of shutter

9/

58.Means for varying duration of "open" period of shutter

9/

60..by varying speed of movement of obturating members

9/

62..by varying interval of time between end of opening movement and beginning of closing movement

9/

64.Mechanism for delaying opening of shutter (separate from shutter G03B 17/38)

9/

66.Means for cocking shutter separate from means for releasing shutter

9/

68..Cocking effected by movement of film

9/

70.with flash-synchronising contacts

   G03B 11/00 - G03B 19/26  
 

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