Time-keeping apparatus

Details Time-keeping apparatus Time-keeping apparatus

1988-05-20

1990-02-27

Shaw, Gareth D.

Boots, shoes, and leggings

365229, 364707, 364483, 368 10, G06F 1100, G11C 700

Patent

active

049051873

ABSTRACT:
Time-keeping apparatus includes a microcomputer having a normal, relatively high power consumption mode of operation and a standby relatively low power consumption mode of operation. The AC power supply includes energy storage providing standby power for operation during power interruption. A controllable delay arrangement causes the microcomputer to operate in a cyclical mode with a relatively long duration in the standby mode of operation and a relatively short duration in the normal mode of operation. The time period of the relatively long duration, having been previously stored in memory, is utilized for incrementing the time-keeping during the relatively short duration in the normal mode until the end of the power interruption ends the cylical mode of operation.

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