Low battery detection system

Details Low battery detection system Low battery detection system

1993-06-23

1996-04-09

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

340539, 340635, 320 2, 320 48, G08B 2100

Patent

active

055065724

ABSTRACT:
A low battery detection system for detecting the battery voltage level in a remote control unit of a hotel entertainment system comprises a detection circuit imbedded within the remote control unit. Information regarding the battery voltage status is transmitted to a guest television terminal along with the infrared signal which turns the television on or off. A central computer polls each guest television terminal associated with an individual guest room to determine whether the battery in the remote control unit needs to be replaced. A system for generating a list of remote control units identified by guest room, which needs fresh batteries is also provided. In this manner, hotel personnel can detect and replace batteries in remote control units which are prone to impending battery failure without guest complaints. Further, the parameters which determine whether a battery needs to be replaced can be altered by the user of the system.

REFERENCES:
patent: 4067000 (1978-01-01), Carlson
patent: 4418416 (1983-11-01), Lese et al.
patent: 4461013 (1984-07-01), Lese et al.
patent: 5012973 (1991-05-01), Dick et al.
patent: 5239286 (1993-08-01), Komatsuda
patent: 5293526 (1994-03-01), Takahashi

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