Control signal transfer device for a position detecting sensor

Details Control signal transfer device for a position detecting sensor Control signal transfer device for a position detecting sensor

1994-08-01

1996-07-30

Swarthout, Brent A.

Communications: electrical

Continuously variable indicating

3408703, 3408704, 340539, 340680, 455300, 33561, 901 10, G08C 1916

Patent

active

055415881

ABSTRACT:
A control signal transmitting device is used for a control device, such as a position detecting device. The transmitting device includes a position detecting sensor, and a receiving device situated near the position detecting sensor. The position detecting sensor includes a sensing device, a radio wave transmitting device electrically connected to the sensing device, and a device for directing the radio wave in one direction. The radio wave transmitting device emits radio wave in a direction opposite the sensing device upon receiving a signal from the sensing device. The receiving device includes a radio wave receiving device disposed to face the radio wave transmitting device for receiving the radio wave transmitted from the transmitting device, and a shielding device for covering the receiving device to receive the radio wave from one direction.

REFERENCES:
patent: 4864294 (1989-09-01), Fukuhisa
patent: 5109223 (1992-04-01), Schmitt et al.

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