Balance based on the principle of the electromagnetic compensati

Details Balance based on the principle of the electromagnetic compensati Balance based on the principle of the electromagnetic compensati

1987-12-22

1989-05-02

Miller, Jr., George H.

Weighing scales

Self-positioning

Repositioning in response to deflection under load

177DIG6, G01G 700

Patent

active

048259683

ABSTRACT:
There is disclosed a balance based on the principle of the electromagnetic compensation of force with a cylindrical permanent magnet system, with a magnet cover and with a coil for generating the counteracting force that an emitter and a receiver of the optical position sensor be housed inside the magnet cover. The slit diaphragm of the optical position sensor, which extends from below into the area between emitter and receiver, then forms a compact unit with a carrier, e.g., the end of a translation lever, and with a coil and mutual shifts at temperature changes and temperature gradients occur only to a minimal extent.

REFERENCES:
patent: 4184556 (1980-01-01), Kunz
patent: 4311202 (1982-01-01), Kunz
patent: 4354563 (1982-10-01), Luchinger et al.
patent: 4372406 (1983-02-01), Komoto et al.
patent: 4429757 (1984-02-01), Kunz
patent: 4627505 (1986-12-01), Kunz

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