Communications: electrical – Continuously variable indicating – With meter reading
Patent
1984-05-22
1986-12-02
Weldon, Ulysses
Communications: electrical
Continuously variable indicating
With meter reading
340825, 370 85, H04Q 100, H04Q 300
Patent
active
046268464
ABSTRACT:
A bus arrangement for providing equipment units with an address is disclosed. Each individual equipment unit achieves its address automatically according to its relative physical position within the organization of the units without the need for setting any switches. In simplistic terms, this is achieved by providing at each unit, modification of the bus leads. This includes the termination of one lead, the addition of one lead, and the relative repositioning of the other leads.
REFERENCES:
patent: 4016369 (1977-04-01), Pedersen
patent: 4253087 (1981-02-01), Saal
Digital Logic Theory & Practice, Brice Ward, p. 136, Tab Books, 1972.
Basic Digital Electronics--Understanding Number Systems, Boolean Algebra and Logic Circuits, Ray Ryan, pp. 69-73, Tab Books, 1975.
Koziol Leo B.
Parker Jay S.
Northern Telecom Limited
Smith Ralph
Weldon Ulysses
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