Magnetic field sensor having memory element

Details Magnetic field sensor having memory element Magnetic field sensor having memory element

2006-05-23

2006-05-23

Patidar, Jay (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

Reexamination Certificate

active

07049812

ABSTRACT:
A magnetic field sensor including an amplifier and a magnetic field element for outputting a two-phase signal according to an applied magnetic field strength. Polarities of the two phases of the signal are mutually opposite. The amplifier amplifies the signal and outputs a resulting voltage across a pair of output terminals, which are connected to both ends of a condenser. A switch makes a connection between one of the output terminals and one end of the condenser. The switch closes in a first phase of the two-phase signal and opens in a second phase. A comparator inputting voltage across both ends of the switch converts the result of the comparison, based on a predetermined voltage, into a binary output signal.

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