Electronic weighing apparatus

Details Electronic weighing apparatus Electronic weighing apparatus

1989-05-19

1990-02-06

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177 2513, G01G 314

Patent

active

048982547

ABSTRACT:
An electronic weighing apparatus is disclosed which detects weight of a subject by variation in capacitance, converts an oscillating output of an oscillating circuit corresponding to said variation in capacitance and displays the converted value on a display. In this apparatus, a solar battery and a supplementary cell are employed as a power source and on-off control of electric power supply from the supplementary battery to each circuit of the apparatus is effected by the output voltage of the solar battery.

REFERENCES:
patent: 4244020 (1981-01-01), Ratcliff
patent: 4329881 (1982-05-01), Schloss
patent: 4548286 (1985-10-01), Sashiki et al.

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