Magnetic field sensor

Details Magnetic field sensor Magnetic field sensor

2005-03-01

2005-03-01

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S086000

Reexamination Certificate

active

06861839

ABSTRACT:
A magnetic field sensor including an amplifier and a magnetic field element for outputting a signal to a switch circuit according to the strength of an applied magnetic field. The switch circuit outputs a signal selected by an external two-phase signal to an amplifier that amplifies the signal and outputs a resulting voltage to a first end of a memory element. A switch, having one end connected to a second end of the memory element, is controlled by the two-phase signal. The switch closes in a first phase of the two-phase signal causing the memory element to store the output voltage of the amplifier, and opens in a second phase causing a vector sum of the output voltage the amplifier to be stored in the memory element and providing the output voltage to a signal output terminal connected to the second end of the memory element.

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patent: 5604433 (1997-02-01), Theus et al.
patent: 5619137 (1997-04-01), Vig et al.
patent: 5621319 (1997-04-01), Bilotti et al.
patent: 0 793 075 (1997-09-01), None
patent: 8-201491 (1996-08-01), None
patent: 9921023 (1999-04-01), None

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