Electronic device with exclusive control type communication func

Details Electronic device with exclusive control type communication func Electronic device with exclusive control type communication func

1990-03-29

1993-04-06

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082506, H04Q 100

Patent

active

052007421

ABSTRACT:
In a communication system including a plurality of electronic communication devices connected to a common transmission line, each of the electronic communication devices includes a communication section and at least one control section, wherein the control section establishes a logical communication channel on the common transmission line to perform communication therethrough between a control section of an electronic communication device and one or more control sections of another electronic communication device, and wherein it is made possible for the control section to reject a request for establishing a separate logical communication channel issued thereto by any other control section which has no relation to the logical communication channel which has already been established. Thus, the communication system is constructed to enable efficient mutual communication to be performed between the control sections.

REFERENCES:
patent: 4510493 (1985-04-01), Bux et al.
patent: 4627070 (1986-12-01), Champlin et al.
patent: 4722082 (1988-01-01), Furuya et al.
patent: 4745601 (1988-04-01), Diaz et al.
patent: 4804938 (1989-02-01), Rouse et al.
patent: 4808992 (1989-02-01), Beyers, Jr. et al.
patent: 4872162 (1989-10-01), Tanaka et al.
patent: 5031175 (1991-07-01), Tanaka et al.
International Electrotechnical Commission: IEC 84 (Secretariat) 86 I II Draft-Domestic Digital Bus D.sup.2 B, Jun. 8, 1988.

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