G03B 7/08 Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
Introduced: September 1968
Full Title
Full titles differ between systems:
Control of exposure by setting shutters, diaphragms or filters, separately or conjointly > Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
Control of exposure by setting shutters, diaphragms or filters, separately or conjointly (control of exposure in television cameras by means of circuitry influencing the optical part of the camera H04N23/75) > Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
Child Classifications
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- G03B 7/099 Arrangement of photoelectric elements in or on the camera since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- G03B 7/10 a servo-motor providing energy to move the setting member IPC+CPC Available in IPC and CPC
- G03B 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 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G03,2013–2023, worldwide · Source: EPO PATSTAT
- CANON 31,416
- CANON JP 17,469
- KYOCERA DOCUMENT SOLUTIONS 9,845
- RICOH COMPANY 9,807
- ASML NETHERLANDS NL 9,427
- FUJIFILM JP 7,225
- KONICA MINOLTA CORPORATION 7,216
- FUJI XEROX COMPANY 5,711
- CARL ZEISS SMT DE 4,971
- RICOH COMPANY JP 4,123
Top Applicants (CPC)
Class G03,2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682