Bi-directional digital noise glitch filter

Details Bi-directional digital noise glitch filter Bi-directional digital noise glitch filter

1991-05-30

1993-03-30

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307234, 307443, 307268, 328111, 328167, H03K 522, H03K 1716

Patent

active

051987104

ABSTRACT:
A bi-directional digital noise filter will eliminate glitches of one delay while adding only one delay to the information signal. A first embodiment digital noise glitch filter 8 comprises a two asymmetric delay elements 10 and 12 connected in series. The first element 10 has a delay of equal duration as the longest glitch to be filtered and the second element 12 has a delay twice as long as the first delay. A third asymmetrical delay circuit 20 coupled in parallel the other delays has the first delay. Other systems and methods are also disclosed.

REFERENCES:
patent: 3970944 (1976-07-01), Huellwegen
patent: 4061975 (1977-12-01), Sugai
patent: 4061976 (1977-12-01), Sugai
patent: 4233525 (1980-11-01), Takahashi et al.
patent: 4567601 (1986-01-01), Mountain
patent: 4716318 (1987-12-01), Koike
patent: 4760279 (1988-07-01), Saito et al.
patent: 4857760 (1989-08-01), Stuebing
patent: 5019724 (1991-05-01), McClure

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