Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1985-12-13
1988-06-07
LaRoche, Eugene R.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333124, 333262, 200153S, 335 5, H01P 110
Patent
active
047499680
ABSTRACT:
The disclosure is directed to a coaxial jack having a make before break switch in a first conductive path between signal-in mechanism and first signal-out mechanism. The switch is functioned on insertion of a plug is second signal-out mechanism which forms a second conductive path between said signal-in mechanism and said second signal-out mechanism. The jack not only matches impedances with the coaxial cables, but does so by equalizing inductive and capacitive reactances and by maintaining an impedance match at each structural support between a conductor in the jack and the housing of the jack. The housing of the jack is modular thereby providing superior versatility with respect to various configurations and applications.
REFERENCES:
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patent: 3372349 (1968-03-01), Concelman
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patent: 3529264 (1970-09-01), Lancaster
patent: 3946390 (1976-03-01), Alexander et al.
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patent: 4099825 (1978-07-01), Jackson
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patent: 4286335 (1981-08-01), Eichler et al.
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Photograph and advertising sheet SJ1000 Jack Mfg., and sold by ADC Telecommunicatons, Minneapolis, Minn.
Photograph and advertising sheet SJ2000 Jack Mfg., and sold by ADC Telecommunications, Minneapolis, Minn.
Photograph and advertising sheet of radio jack sold by King's Electronics Co., Inc., Tuckahoe, N.Y.
Photograph and advertising sheet of Patch Jack, sold by Trumpeter Electronics, Thousand Oaks, Calif.
Photograph of Jack, sold by Western Electric Company, AT&T technologies, Berkeley Heights, N.J.
Reference data for Radio Engineers, Howard W. Sams & Co., Inc., Indianapolis, Ind., pp. 24-21 to 27-27.
ADC Telecommunications Inc.
Ham Seung
LaRoche Eugene R.
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