Radial type of parallel system bus structure having pairs of con

Details Radial type of parallel system bus structure having pairs of con Radial type of parallel system bus structure having pairs of con

1991-10-11

1993-05-11

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361394, 361399, 361400, 361401, 361407, 361412, 174260, 257734, 257773, 257750, H05K 700

Patent

active

052106829

ABSTRACT:
An improvement in a radial-and-parallel bus structure which includes a stack assembly of bus-printed disks whose centers are arranged on common center axis. Each bus-printed disk consists of a disk of dielectric material bearing on each of its opposite major surfaces, a printed radial pattern including a plurality of printed signal conductors of equal length radially extending from the center of the disk. Each signal conductor on one of the opposite major surfaces of the disk is coupled to a corresponding signal conductor on the other major surface to make up a signal conductor pair, and every signal conductor pair is terminated with an impedance matching element which is adapted to be connected to a selected lead in a selected one of CPU boards standing upright around the stack assembly of bus-printed disks. The impedance matching element prevents signal reflections of data being transmitted between selected CPU boards.

REFERENCES:
patent: 3794784 (1974-02-01), Snider
patent: 4734825 (1988-03-01), Peterson
patent: 4801996 (1989-01-01), Knotts
patent: 4888663 (1989-12-01), Longerich et al.
patent: 5060111 (1991-10-01), Takashima
patent: 5091822 (1992-02-01), Takashima
English translations of Japanese Pat. Appln. Nos. 1-102,909 1-152,985.

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