Electronic apparatus which can discriminate between different po

Details Electronic apparatus which can discriminate between different po Electronic apparatus which can discriminate between different po

1991-12-13

1993-01-26

Ng, Jin F.

Communications: electrical

Condition responsive indicating system

Specific condition

340635, 320 48, 429 97, 429 99, 307 65, G08B 2100

Patent

active

051825465

ABSTRACT:
An electronic apparatus capable of using power sources of different kinds each having a different characteristic is provided with an apparatus for controlling the operating mode of the electronic apparatus on the basis of the discrimination result provided by a discriminating switch, the discriminating switch being provided for discriminating the kind of a power source by means of the configuration of the electrodes of the power source. The electrodes of each kind of power sources are formed to have a different configuration. A recording or reproducing apparatus is also disclosed which controls the execution or non-execution of an erasing operation in accordance with the result of discrimination of the kinds of power sources. In addition, a recording or reproducing apparatus is disclosed which is provided with an auto shut-off circuit for automatically shutting off the operation of a power source if an inoperative state continues for a predetermined time or more and which controls, in accordance with the result of discrimination of the kind of a power source, a set time period which elapses until an auto shut-off operation is started.

REFERENCES:
patent: 3696283 (1972-10-01), Ackley, III
patent: 3930889 (1976-01-01), Ruggiero et al.
patent: 4628243 (1986-12-01), Hodgeman et al.
patent: 4645325 (1987-02-01), Inoue et al.
patent: 4835410 (1989-05-01), Bhagwat et al.
patent: 4965738 (1990-10-01), Bauer et al.

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