Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1978-03-20
1980-03-11
Konick, Bernard
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
179170R, 179170G, 333217, H04B 336
Patent
active
041929748
ABSTRACT:
An apparatus for providing simultaneously a multiplicity of independent non-interactive effects on the transmission characteristics of a voice-frequency telephone transmission line. Output voltage and current signal processing circuitry is provided which generates voltages for insertion in series with the line and currents for insertion in shunt with the line. Input voltage and current signal processing circuitry is also provided to sense the signal voltage across and the signal current through the transmission line and to generate a multiplicity of voltages and currents which are functions of the signal voltage and the signal current as well as of the voltages and currents fed back from the output signal processing circuitry to the input signal processing circuitry. A multiplicity of line conditioning control units couple the input signal processing circuitry to the output signal processing circuitry. Each line conditioning control unit is adapted to affect the transmission characteristics of the line without interferring with the effects simultaneously provided by the other line conditioning control units.
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patent: 3828281 (1974-08-01), Chambers, Jr.
patent: 3989906 (1976-11-01), Kiko
patent: 3989907 (1976-11-01), Chambers, Jr.
patent: 4032726 (1977-06-01), Chambers, Jr.
patent: 4037066 (1977-07-01), Kiko
patent: 4061883 (1977-12-01), Chambers, Jr.
Haggard Alan H.
Konick Bernard
Lorain Products Corporation
Myers Randall P.
Rickin Michael M.
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