Inventor
HIRABAYASHI TERUMI
JP11 patents
Patents
11 patentsUS5086450AFeb 4, 1992
Emergency intercommunication system for elevator
MITSUBISHI ELECTRIC CORP75 citations93
US5250765AOct 5, 1993
Apparatus for controlling elevator door
MITSUBISHI ELECTRIC CORP45 citations91
US5131506AJul 21, 1992
Door control system using drive motor torque signals
MITSUBISHI ELECTRIC CORP41 citations91
US4742891AMay 10, 1988
Elevator system
MITSUBISHI ELECTRIC CORP22 citations80
US5329075AJul 12, 1994
Elevator door control apparatus
MITSUBISHI ELECTRIC CORP17 citations72
US5290975AMar 1, 1994
Door control and data display system
MITSUBISHI ELECTRIC CORP15 citations72
US5196656AMar 23, 1993
Elevator door control apparatus
MITSUBISHI ELECTRIC CORP19 citations72
US5175400ADec 29, 1992
Apparatus for controlling elevator door based on power source voltage
MITSUBISHI ELECTRIC CORP10 citations72
US5139113AAug 18, 1992
Apparatus for detecting abnormalities in elevator motion
MITSUBISHI ELECTRIC CORP9 citations72
US5170865ADec 15, 1992
Apparatus for controlling an elevator door using a drive motor slip frequency signal
MITSUBISHI ELECTRIC CORP4 citations61
US5144101ASep 1, 1992
Control apparatus for elevator doors using velocity limiting circuits
MITSUBISHI ELECTRIC CORP3 citations61