High speed link for rotating display

Details High speed link for rotating display High speed link for rotating display

1985-05-08

1986-02-25

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

With particular transmitter

324 61R, 34087028, G08C 1910

Patent

active

045730482

ABSTRACT:
A data line comprising a stationary disk (34) and an opposed rotating disk (36) couples data from a stationary data source (30) to a rotating data module (12) to which the rotating disk (36) is fixed. The rotating disk (36) includes an insulating substrate (38) on which concentric arcuate strips (40) are formed in registration with corresponding strips on the stationary disk (36). The link transmits data from one disc (34) to the other (36) by capacitive coupling between corresponding strips to the two discs. The several pairs of corresponding strips are in separate parallel data channels, and crosstalk between the channels is prevented by intermediate ground strips (42) disposed between the data-carrying strips (40).

REFERENCES:
patent: 3097261 (1963-07-01), Schipper et al.
patent: 3222668 (1965-12-01), Lippel
patent: 3303701 (1967-02-01), Matsuura et al.
patent: 3702467 (1972-11-01), Melnyk
patent: 3784897 (1974-01-01), Norrie
patent: 3824845 (1974-07-01), Huebner
patent: 3860918 (1975-01-01), Cencel
patent: 3938113 (1976-02-01), Dobson et al.
patent: 4011551 (1977-03-01), Adler
patent: 4160973 (1979-07-01), Berlin
patent: 4242666 (1980-12-01), Reschovsky et al.

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