Contactless linking device for interconnecting data bus sections

Details Contactless linking device for interconnecting data bus sections Contactless linking device for interconnecting data bus sections

1991-05-17

1994-03-08

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 36, 370 32, 379 55, 455 41, H04L 514, H04B 500

Patent

active

052934004

ABSTRACT:
The device serves to interconnect first and second sections of a data bus in order to provide a transparent bi-directional data transmission along the bus comprised of the two sections, irrespective of the protocol used. Basically, the device includes a first transmitter-receiver module at which terminates a first bus section, and a second transmitter-receiver module at which terminates a second bus section. Both modules are disposed face-to-face without contact and are electromagnetically coupled. Each receiver module has a circuit for supplying a transmitting coil with a signal modulated by the data to be transmitted and coming from the bus section to which the module is connected, and a detector circuit for receiving a modulated signal from the same coil to produce the data to be transmitted to the bus section to which the module is connected. In each transmitter-receiver module, the same coil used for transmission and reception is in the form of one and the same flat spiral winding, the windings of the first and second modules facing each other and having substantially aligned axes.

REFERENCES:
patent: 4550444 (1985-10-01), Uebel
patent: 4654880 (1987-03-01), Sontag
patent: 4792965 (1988-12-01), Morgan
patent: 4893118 (1990-01-01), Lewiner et al.
patent: 5041826 (1991-08-01), Milheiser
patent: 5049856 (1991-09-01), Crossfield
patent: 5070500 (1991-12-01), Horinouchi et al.
patent: 5124870 (1992-06-01), Toyoda

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