Inventor

HATANO ISAO

2 patents

Patents

2 patents

US3950743AApr 13, 1976

Keying input apparatus having a reduced number of output terminals

OMRON TATEISI ELECTRONICS CO21 citations78

US4051471ASep 27, 1977

Key input means providing common key identifying and display driving digit timing signals

OMRON TATEISI ELECTRONICS CO6 citations59