Weighing scales – Combined
Patent
1982-07-13
1985-05-21
Broome, Harold
Weighing scales
Combined
200 85R, 200DIG2, 250202, G01G 1900
Patent
active
045180520
ABSTRACT:
This invention relates to a body height and weight measuring machine, which operates by means of a winding transmission cord means to drive a sliding plate having sensing, measuring, and digital display functions. When the sliding plate moving upwards, the sensing means will receive the refracted infrared rays as a result of a person's height to cause said winding transmission cord means to stop moving; then, a correct height and weight will be displayed thru digital display means. The aforesaid height measurement and its digital display are done by means of a photocell sensing means being coupled to a scale plate that includes a black and transparent strip in alternate arrangement and equal width so as to have said photocell sensing means generating a forward or reverse sequence sensing signal during the sliding plate moving; then, said signals will be shown on a display means driven with driving circuit.
REFERENCES:
patent: 3163758 (1964-12-01), Treacy
patent: 3366944 (1968-01-01), Cochran
patent: 3593030 (1971-07-01), Jaskowsky
patent: 3899255 (1975-08-01), Meier
patent: 3968848 (1976-07-01), Cherney
patent: 4154000 (1979-05-01), Kramer
patent: 4333044 (1982-06-01), Blitchington
patent: 4336855 (1982-06-01), Chen
Broome Harold
Reinhart M. J.
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