Automatic door system with self-diagnosing function

Details Automatic door system with self-diagnosing function Automatic door system with self-diagnosing function

1997-05-15

1999-03-16

Barlow, John

Data processing: measuring, calibrating, or testing

Testing system

Of mechanical system

702108, 702 57, 702 99, 702174, 318466, 318480, E05F 1500

Patent

active

058842373

ABSTRACT:
An automatic door system includes a door which id driven to open and close by a motor. A sensor senses an object which approaches or leaves the door. A control section controls the motor in accordance with a signal supplied from the sensor. The control section includes a CPU which examines the motor, the sensor and the control section for failure or malfunction, and also an EEPROM which stores the result of examination made by the CPU. The result of examination stored in the EEPROM is outputted to a Handy Terminal or a personal computer.

REFERENCES:
patent: 4529920 (1985-07-01), Yoshida et al.
patent: 4560912 (1985-12-01), Jonsson
patent: 4563625 (1986-01-01), Kornbrekke et al.
patent: 5175400 (1992-12-01), Hirabayashi et al.
patent: 5226370 (1993-07-01), Templeton et al.
patent: 5315220 (1994-05-01), Takimoto et al.

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