Power supply reliability of portable electronic device

Details Power supply reliability of portable electronic device Power supply reliability of portable electronic device

1990-06-06

1992-04-14

Weinhardt, Robert

Registers

Records

Conductive

235437, 235380, G06K 19073, G06F 1520

Patent

active

051050749

ABSTRACT:
A portable electronic device comprising a clock generator for generating a clock signal, a power supply for generating a first power supply voltage, a low-voltage generator for generating a second power supply voltage lower than the first power supply voltage in response to the clock signal, an instruction circuit for instructing start of the clock generator, and a supply circuit for, when a start instruction of the clock generator is generated by the instruction circuit, supplying the first power supply voltage to the clock generator, and after the clock generator is started by the first power supply voltage, supplying the second power supply voltage to the clock generator.

REFERENCES:
patent: 4766294 (1988-08-01), Nara et al.
patent: 4814591 (1989-03-01), Nara et al.
patent: 4843224 (1989-06-01), Ohta et al.
patent: 4968899 (1990-11-01), Katsutani et al.

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