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公开(公告)号:US2933010A
公开(公告)日:1960-04-19
申请号:US66603557
申请日:1957-06-17
Applicant: MOTION PICTURE RES COUNCIL INC
Inventor: PETRO VLAHOS
IPC: G01J1/12
CPC classification number: G01J1/12
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公开(公告)号:US2771000A
公开(公告)日:1956-11-20
申请号:US43080954
申请日:1954-05-19
Applicant: CREELMAN GEORGE D
Inventor: CREELMAN GEORGE D
IPC: G01J1/12
CPC classification number: G01J1/124
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公开(公告)号:US2435074A
公开(公告)日:1948-01-27
申请号:US60051545
申请日:1945-06-20
Applicant: NASA
Inventor: FRY GLENN A
IPC: G01J1/12
CPC classification number: G01J1/12
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公开(公告)号:US2294876A
公开(公告)日:1942-09-01
申请号:US33347140
申请日:1940-05-06
Applicant: WALKER JOSEPH B
Inventor: WALKER JOSEPH B
IPC: G01J1/12
CPC classification number: G01J1/124
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公开(公告)号:US2273838A
公开(公告)日:1942-02-24
申请号:US34917140
申请日:1940-08-01
Applicant: DAWSON LEO H
Inventor: DAWSON LEO H
IPC: G01J1/12
CPC classification number: G01J1/12
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66.Apparatus for determining proper exposure in making photographic prints 失效
Title translation: 用于确定在制作照相印刷品时适当曝光的装置公开(公告)号:US2235590A
公开(公告)日:1941-03-18
申请号:US26976239
申请日:1939-04-24
Applicant: WESTON ELECTRICAL INSTR CORP
Inventor: ROCKWELL JR HARVEY P
IPC: G01J1/12
CPC classification number: G01J1/124
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公开(公告)号:US2154374A
公开(公告)日:1939-04-11
申请号:US24319838
申请日:1938-11-30
Applicant: BYRAM GEORGE M
Inventor: BYRAM GEORGE M
IPC: G01J1/12
CPC classification number: G01J1/12
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公开(公告)号:US1494548A
公开(公告)日:1924-05-20
申请号:US63608723
申请日:1923-05-02
Applicant: WESTERN ELECTRIC CO
Inventor: IVES HERBERT E
IPC: G01J1/12
CPC classification number: G01J1/12
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69.
公开(公告)号:US1483473A
公开(公告)日:1924-02-12
申请号:US54075522
申请日:1922-03-03
Applicant: NORTON FREDERICK H
Inventor: NORTON FREDERICK H
IPC: G01J1/12
CPC classification number: G01J1/124
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