Inventor
ANZAI HIROJI
JP5 patents
Patents
5 patentsUS5734269AMar 31, 1998
Bridge circuit fault monitoring apparatus using an output signal level from a bridge circuit and a power source current level to determine faults
NIPPON SIGNAL CO LTD9 citations73
US5717302AFeb 10, 1998
Motor stopped verification apparatus
NIPPON SIGNAL CO LTD12 citations73
US5867775AFeb 2, 1999
Fail-safe signal transmitting apparatus producing a logical product of an input signal and a carrier signal
NIPPON SIGNAL CO LTD8 citations72
US5793197AAug 11, 1998
Apparatus for confirming stop of movable portion
NIPPON SIGNAL CO LTD10 citations72
US5640006AJun 17, 1997
Control circuit for a fail-safe multi-axis light beam type sensor
NIPPON SIGNAL CO LTD4 citations57