Vehicle communications network transceiver, transmitter circuit

Details Vehicle communications network transceiver, transmitter circuit Vehicle communications network transceiver, transmitter circuit

1992-09-28

1994-08-09

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082563, 375 22, H04Q 100

Patent

active

053370422

ABSTRACT:
A transceiver device for use with a microcontroller and a symbol encoder decoder device (forming a node in a communications network) for transmitting and receiving variable pulse width modulated (VPWM) analog signals containing symbol messages over a communications bus. The transceiver accepts digital VPWM signals from the symbol encoder decoder device which were generated by the microcontroller and converts the digital signals into VPWM analog signals and then transmits the analog signal over the bus to other nodes. The transceiver also receives VPWM analog signals placed on the bus by other nodes of the network and transfers the signals in digital form to the symbol encoder decoder device which, in turn, communicates the decoded messages to the microcontroller.

REFERENCES:
patent: 4620312 (1986-10-01), Yamashita
patent: 4700360 (1987-10-01), Visser
patent: 4712061 (1987-12-01), Lach
patent: 5119045 (1992-06-01), Sato
patent: 5144265 (1992-09-01), Petzold
patent: 5208559 (1993-05-01), Jordan

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