Position detector for synchronizing operation of a recording dev

Details Position detector for synchronizing operation of a recording dev Position detector for synchronizing operation of a recording dev

1994-04-19

1996-07-30

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Displacement

36457102, G01B 714, G01D 114

Patent

active

055415083

ABSTRACT:
A position detector includes a magnetic recording medium on which a prescribed magnetic pattern has been formed, a magnetoresistive element the amplitude value of which varies in response to the magnetic pattern, an amplifier for amplifying the output of the magnetoresistive element, the offset voltage of the amplifier output being variable, and an output observing element for observing the output of the amplifier. The offset voltage of the amplifier is set based upon the results of observation provided by the output observing element. Adjustment of the offset voltage is thus set automatically.

REFERENCES:
patent: 4761608 (1988-08-01), Franklin et al.
patent: 4902970 (1990-02-01), Suquet
patent: 4908527 (1990-03-01), Van Antwerp
patent: 5047716 (1991-09-01), Katagiri
patent: 5239490 (1993-08-01), Masaki et al.
Easton, "Pressure Measurement Using `Smart` Transducers," Advances in Instrumentation, vol. 40, Part 2, Oct. 1985, pp. 1153 through 1165.

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