Boots – shoes – and leggings
Patent
1989-03-14
1991-03-12
Shaw, Dale M.
Boots, shoes, and leggings
G06F 100
Patent
active
049997947
ABSTRACT:
A small-sized electronic device is provided with a key board and an LCD display unit outside the body and incorporating a CPU including a clock circuit for measuring a time and a RAM for storing the data; a battery for supplying the body with electric power; a backup power source for supplying the body with the electric power when removing the battery from the body; and a change-over circuit for selecting either the battery or the backup power source inside the body. A clock circuit is arranged so that when a stop indication of the clock circuit is input from the key board, the CPU stops the operation of the clock circuit and if the backup power source is selected, the backup electric power is supplied to the RAM. Accordingly, the backup time for storage contents is extended.
REFERENCES:
patent: 4317180 (1982-02-01), Lies
patent: 4317181 (1982-02-01), Teza et al.
patent: 4381552 (1983-04-01), Nocilini et al.
patent: 4780843 (1988-10-01), Tietjen
patent: 4851987 (1989-07-01), Day
Nguyen Long T.
Sharp Kabushiki Kaisha
Shaw Dale M.
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