H - Electricity – 04 – B
Patent
H - Electricity
04
B
340/72
H04B 15/00 (2006.01) H04L 12/42 (2006.01)
Patent
CA 1238383
RA985012 LOCAL AREA NETWORK STATION CONNECTOR Abstract of the Disclosure A wiring methodology for attaching office machines to a communications network includes at least one central wiring facility or concentrator with lobe segments emanating or fanning out in a "Star Fashion" configuration to terminal points within offices. A plurality of switch control elements are provided in the concentrator. When activated, each switch control element inserts a lobe segment and attaches machines into the communications network. Lobe segments not in use are bypassed (disconnected) within the concentrator. A single station connector (SSC) can be used to increase the number of office machines that may be attached to a single lobe segment. In addition, the SSC may be used to configure a mobile Local Area Network (LAN) System without resorting to permanent wiring schemes. CROSS REFERENCE TO RELATED PATENTS, PATENT APPLICATIONS AND ARTICLES U.S. Patent 4,527,216, entitled "Sub-Milliamp Mechani- cal Relay Control," filed March 16, 1983; issued July 2, 1985 to Thomas E. Stammely and assigned to the assignee of the present invention, describes a circuit arrangement suitable for controlling a bi-stable relay. The circuit arrangement includes a capacitor which is initially charged with a charge that is sufficient to set and reset the bi-stable relay. During the set cycle a portion of the charge is dumped into the set coil to set the relay. During the reset cycle the remaining portion of the charge is dumped into the reset coil thereby resetting the relay.
493208
Annunziata Eugene J.
Faress James M. II
Stammely Thomas E.
Barrett B.p.
International Business Machines Corporation
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