Elevator – industrial lift truck – or stationary lift for vehicle – Having call button with indicator
Reexamination Certificate
2004-02-27
2009-10-06
Benson, Walter (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
Having call button with indicator
C187S391000, C345S175000, C345S177000
Reexamination Certificate
active
07597177
ABSTRACT:
A method of providing non-contact data selection, comprising the steps of providing at least one data selection, transmitting at least one signal in proximity to the at least one data selection, altering the path of the at least one transmitted signal through interaction with a selection device, detecting at least one altered signal, and determining selection of the selection device from the at least one altered signal.
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Hootsmans Norbert A. M.
Milton-Benoit John
Oh Jae-Hyuk
Peng Pei-Yuan
Vecchiotti Alberto
Bachman & LaPointe P.C.
Benson Walter
Colon-Santana Eduardo
Otis Elevator Company
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