Boots – shoes – and leggings
Patent
1983-09-21
1987-05-19
Eng, David Y.
Boots, shoes, and leggings
364707, 307 10BP, G06F 100
Patent
active
046672893
ABSTRACT:
An interface circuit connects a computer and peripheral units. The interface circuit includes a battery power source that drives a signal conversion circuit. A detector circuit detects levels of signals received from the computer, the signals being indicative of a power ON/OFF status of the computer. A control circuit controls the operation of the signal conversion circuit so that the built-in battery source will not be dissipated while the computer is not in operation. The control circuit also inhibits operation of the signal conversion circuit when the detector circuit indicates that condition of the battery source has deteriorated.
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patent: 4051326 (1977-09-01), Badagnani et al.
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patent: 4380802 (1983-04-01), Segar et al.
patent: 4399538 (1983-08-01), Cholakian et al.
patent: 4438431 (1984-03-01), Toyomura
patent: 4463646 (1984-08-01), Mitarai
patent: 4521678 (1985-06-01), Winter
patent: 4581571 (1986-04-01), Hansen
R. T. Coffin and A. L. Talkington, "Power System/Operating System Communications", IBM, Tech. Discl. Bulletin, vol. 22, No. 8B, Jan. '80.
Haneda Isamu
Yoshida Hidetaka
Eng David Y.
Munteanu Florin
Sharp Kabushiki Kaisha
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