Power-supply apparatus and its mounting-completion indication me

Details Power-supply apparatus and its mounting-completion indication me Power-supply apparatus and its mounting-completion indication me

1997-07-11

1999-02-09

Hofsass, Jeffery

Communications: electrical

Condition responsive indicating system

Specific condition

340635, 320 48, 324427, 324435, G08B 2100

Patent

active

058700250

ABSTRACT:
A battery pack and a device, each including a CPU, communicate with each other. When the battery pack is mounted to the device, the CPU of the device reads a voltage V, output from dry cells built in the battery pack, from a positive terminal. The CPU sends a ready signal, and compares the read dry-cell voltage V, and a dry-cell voltage included in dry-cell state information sent from the CPU of the battery pack, in response to the sent ready signal. When the voltages match, the CPU of the device outputs an LEDON signal corresponding to the remaining capacitance of the dry cells. The CPU of the battery pack turns on some of the LEDs, the number of which corresponds to the received LEDON signal for three seconds, to indicate to the user the remaining capacitance of the dry cells. This reports the user the remaining capacitance as well as an indication of the completion of mounting.

REFERENCES:
patent: 5065104 (1991-11-01), Kusko et al.
patent: 5164702 (1992-11-01), Vogt
patent: 5321627 (1994-06-01), Reher
patent: 5376887 (1994-12-01), Saubolle
patent: 5406188 (1995-04-01), Myslinski et al.
patent: 5406266 (1995-04-01), Mino et al.
patent: 5416402 (1995-05-01), Reher et al.
patent: 5420493 (1995-05-01), Hargadon et al.
patent: 5424721 (1995-06-01), Asai
patent: 5424722 (1995-06-01), Inada et al.
patent: 5434508 (1995-07-01), Ishida

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