| Patent Number |
Title Of Patent |
Date Issued |
| 5704464 |
Passenger sensor for an escalator or moving walk |
January 6, 1998 |
| A passenger sensor for a conveyor includes a transmitter assembly that is positioned within a channel in the conveyor balustrade. The transmitter assembly includes a plurality of transmitters that are spaced along a cable to form a transmitter chain. Each transmitter includes a module an |
| 5697485 |
Passenger conveyor control system having decentralized inputs and outputs |
December 16, 1997 |
| A control system for a passenger conveyor includes a plurality of junction boxes distributed throughout the conveyor and a control unit. The control unit communicates with the plurality of junction boxes through a serial link that interconnects the junction boxes and control unit. In a |
| 5482153 |
Operation panel for a passenger conveying device |
January 9, 1996 |
| An operation panel for a passenger conveying device having a balustrade is provided comprising a key switch, a key pad, and a processor. The key switch may be actuated into a plurality of switch positions by an independent key and the keypad may be used to input data into the process |
| 5431271 |
Indicator for a passenger conveying device |
July 11, 1995 |
| An electronic indicator device 24 is disposed on the outer deck profile 20 of a passenger conveying device 10. The indicator device 24 includes a display 52 capable of displaying a symbol indicative of direction of operation and stopped operation of the passenger conveying device 10. The |
| 4631467 |
Escalator passenger flow control |
December 23, 1986 |
| A variable-frequency, variable-voltage (VVVF) converter is interposed in the line between an AC source and an asynchronous escalator motor. Current to the motor is sensed to determine load in conjunction with a passenger detector and load simulating electronic system and the frequency an |
