Electronic lock

Details Electronic lock Electronic lock

1998-09-02

1999-10-05

Gall, Lloyd A.

Locks

Special application

For closures

70223, 702781, 702791, E05B 1310, E05B 4700

Patent

active

059606568

ABSTRACT:
An electronic lock according to the present invention can be used to open the door by the electronic codes and the key such that when the electronic codes fail due to the power supply being not enough, the key can be used to open the door. The electronic lock can also be used to open the door by the key when the electronic codes fail or when the user forgets the code numbers. In addition, it is easy to replace the cells of the electronic lock. Further, the electronic lock can be fitted on the right side of the door and can also be fitted on the left side of the door.

REFERENCES:
patent: 3922896 (1975-12-01), Kagoura
patent: 4625848 (1986-12-01), Meyers et al.
patent: 4956984 (1990-09-01), Chi-Cheng
patent: 5010752 (1991-04-01), Lin
patent: 5018375 (1991-05-01), Tully
patent: 5027629 (1991-07-01), Liu
patent: 5040391 (1991-08-01), Lin
patent: 5372025 (1994-12-01), Lin
patent: 5421178 (1995-06-01), Hamel et al.
patent: 5447047 (1995-09-01), Lin
patent: 5475996 (1995-12-01), Chen
patent: 5544507 (1996-08-01), Lin
patent: 5868018 (1999-02-01), Kang

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