Inventor
KOELPIN THOMAS
DE4 patents
Patents
4 patentsUS6320239B1Nov 20, 2001
Surface micromachined ultrasonic transducer
SIEMENS AG106 citations96
US4914951AApr 10, 1990
Apparatus for remote distance measurement
SIEMENS AG9 citations70
US4959747ASep 25, 1990
Circuit arrangement for current limiting
SIEMENS AG2 citations58
US4575641AMar 11, 1986
Circuit arrangement for reducing the residual voltage on partially disconnected loads
SIEMENS AG4 citations58