Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent
1989-10-12
1991-07-16
Isen, Forester W.
Electrical audio signal processing systems and devices
Noise or distortion suppression
Interpolation
381 77, 381120, 174 32, 174 34, 174105R, H04B 1500, H03F 2100
Patent
active
050330918
ABSTRACT:
A cable interconnection for an audio component system includes a first cable and a second cable. The first cable has a pair of first conductors, each of the first conductors are adapted to make an electrical connection between a source positive terminal and a load positive terminal of a signal source and load, respectively. The second cable has a trio of second conductors. A first one and a second one of the trio of second conductors, are each adapted to make an electrical connection between a source negative terminal and a load negative terminal of the source and load. A third one of the trio of second conductors is adapted to be coupled electrically only to the load negative terminal. The third one of the second conductors extends substantially the full length of the second cable. A rheostat may be provided to be coupled electrically in series between the third one of the second conductors and the load negative terminal. Adjustment of the rheostat provides for a variable length of the unterminated second conductor. Instead of a rheostat, a switch may be provided which selectively couples the unterminated conductor to or uncouples the unterminated conductor from the load negative terminal.
REFERENCES:
patent: 4317002 (1982-02-01), Spicer
patent: 4376920 (1983-03-01), Smith
patent: 4593153 (1986-06-01), Kuhn et al.
patent: 4599483 (1986-07-01), Kuhn et al.
patent: 4642417 (1987-02-01), Ruthrof et al.
patent: 4718100 (1988-01-01), Brisson
patent: 4754102 (1988-06-01), Dzurak
patent: 4939315 (1990-07-01), Palmer
patent: 4945189 (1990-07-01), Palmer
Allied Radio Catalog, 280 (1969), pp. 325, 326, 342, 343, 380, 382.
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