Electrical transmission or interconnection systems – Plural load circuit systems – Plural sources of supply
Patent
1994-04-25
1999-06-22
Gaffin, Jeffrey
Electrical transmission or interconnection systems
Plural load circuit systems
Plural sources of supply
307 66, 307141, 37910001, 358406, 358468, H02J 700
Patent
active
059145382
ABSTRACT:
A power supply device for a communication apparatus includes a main power supply for supplying electric power to respective units of a communication apparatus main body, a main power supply control unit for ON/OFF-controlling the main power supply, and a battery for supplying electric power to the main power supply control unit. When the main power supply is ON, the main power supply control unit receives power supply from the main power supply. When the main power supply is OFF, the main power supply control unit receives power supply from the battery.
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Abe Koichi
Kurosawa Yuji
Canon Kabushiki Kaisha
Gaffin Jeffrey
Kapla Jonathan S.
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