Inventor
SHIKANO TOHRU
JP6 patents
Patents
6 patentsUS4562477ADec 31, 1985
Automatic diaphragm control device for use with CCTV camera
ASAHI SEIMITSU KK11 citations72
US4562476ADec 31, 1985
Automatic diaphragm control device for use IWT CCTV camera
ASAHI SEIMITSU KK7 citations72
US4547808AOct 15, 1985
Photometric circuit incorporated in objective provided with automatic diaphragm for closed circuit television (CCTV) camera
ASAHI SEIMITSU KK4 citations61
US4542410ASep 17, 1985
Automatic diaphragm control device of objective provided with automatic diaphragm for closed circuit television (CCTV) camera
ASAHI SEIMITSU KK3 citations61
US4717960AJan 5, 1988
Automatic diaphragm control device of variable photometry type used in objective for television camera
ASAHI SEIMITSU KK3 citations60
US4453185AJun 5, 1984
Automatic diaphragm control device for a closed circuit television camera
ASAHI SEIMITSU KK3 citations60