Electromagnetic communication interface

Details Electromagnetic communication interface Electromagnetic communication interface

1989-05-31

1991-01-08

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With particular transmitter

49360, 34082554, G08C 1916, E05F 1100, H04Q 700

Patent

active

049839632

ABSTRACT:
An electromagnetic communication interface including two units each of which contains a coil and associated circuit means. One of the units also includes a core positioned within the coil of that unit and having a free end which may be inserted into the coil of the other unit. When this is done, a magnetic flux link is provided between the two coils and the two circuit means may communicate with one another. The first unit may be mounted on a vehicle body and the second unit on a sliding door of the vehicle. It may be arranged for the magnetic flux link to be formed when the door is closed. A "door-open" signal, generated, for example, by a passenger pressing a push button on the door, may be transmitted via the magnetic flux link to a door opening mechanism mounted on the vehicle body.

REFERENCES:
patent: 3758845 (1973-09-01), MacKelvie et al.
patent: 4074246 (1978-02-01), Conklin et al.
patent: 4076039 (1978-02-01), Hartsock
patent: 4381506 (1983-04-01), Linn et al.
patent: 4630044 (1986-12-01), Polzer
patent: 4640050 (1987-02-01), Yamagishi et al.
patent: 4862375 (1989-08-01), Talmadge
patent: 4888585 (1989-12-01), Kamiya et al.

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