Communications: electrical – Continuously variable indicating – With meter reading
Patent
1991-12-23
1995-10-17
Weldon, Ulysses
Communications: electrical
Continuously variable indicating
With meter reading
34082506, 34082507, G05B 2302
Patent
active
054594537
ABSTRACT:
An interface connector device for interconnecting a plurality of input/output devices including a signal bus connected to a control and to the input/output devices for multiplexing the signals between the control and the input and output devices, the bus interconnecting a plurality of interface and connector devices, and each of the interface and connector devices including address recognition circuitry as well as programmable configuration selection logic to configure the connector device to respond to a variety of input/output devices. In addition, the signal bus and connector devices are adapted to recognize and convey various levels of signals, for example, different voltage levels representing control information, framing signals, and diagnostic command signals.
REFERENCES:
patent: 4227181 (1980-10-01), Brittain
patent: 4293947 (1981-10-01), Brittain
patent: 4774704 (1988-09-01), Gass et al.
patent: 5200743 (1993-04-01), St. Martin et al.
Brown Benjamin D.
Minerd Timothy M.
Robertson Alan K.
Chapuran Ronald F.
Weldon Ulysses
Xerox Corporation
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