Magnetic field sensor for a keyless access system for motor vehi

Details Magnetic field sensor for a keyless access system for motor vehi Magnetic field sensor for a keyless access system for motor vehi

1998-03-26

1999-08-17

Cuchlinski, Jr., William A.

Communications: electrical

Continuously variable indicating

With meter reading

324200, 32420713, 32420715, 324246, 343700R, 343713, H01Q 1900, G01R 3300

Patent

active

059400030

ABSTRACT:
A magnetic field sensor for a keyless access system, particularly for motor vehicles, wherein the direction of incidence of electromagnetic radiation emitted by a transmitter in the short-range field can be detected. The magnetic field sensor has at least one first and at least one second conductor loop, which are disposed substantially concentrically with one another and are substantially symmetrical with respect to the center.

REFERENCES:
patent: 4622754 (1986-11-01), Chujo et al.
patent: 5099247 (1992-03-01), Basile et al.
patent: 5519318 (1996-05-01), Koerner et al.
patent: 5532709 (1996-07-01), Talty

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