Inventor
MOTOYAMA AKIRA
JP6 patents
⚠️ This page may combine multiple inventors who share the name “MOTOYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
4 patentsUS4860271AAug 22, 1989
Servo circuit for generating a tracking error signal for optical disk player
PIONEER ELECTRONIC CORP17 citations73
US4935912AJun 19, 1990
Circuit for digitally generating a tracking error signal to avoid offset monitoring
PIONEER ELECTRONIC CORP15 citations72
US4737696AApr 12, 1988
Actuator drive circuit
PIONEER ELECTRONIC CORP5 citations61
US4558213ADec 10, 1985
Pickup level control device for a system for reading out recorded information
PIONEER ELECTRONIC CORP5 citations60