Electrical connectors – With coupling movement-actuating means or retaining means in... – Having push-pull contacts spaced along only one planar side...
Patent
1986-12-08
1988-04-26
Weidenfeld, Gil
Electrical connectors
With coupling movement-actuating means or retaining means in...
Having push-pull contacts spaced along only one planar side...
439641, 439653, H01R 13625
Patent
active
047401729
ABSTRACT:
Modular apparatus for connecting the output terminals of one article of video equipment to the input terminals of a second article of video equipment, comprising first and second modular adapters and at least one modular connector cable. Each modular adapter comprises an insulated housing comprising a modular jack portion and either a coaxial connector portion or a twin-lead cable portion. A standard, six-position modular telephone jack is positioned in the modular jack portion. A male coaxial connector is positioned in the coaxial connector portion, while a 300 ohm twin-lead cable is positioned in the twin-lead cable portion. In one embodiment, the conductors of the modular jack are electrically connected to the solid central conductor and the conductive wire sheath of the coaxial connector, or to the wires of the twin-lead cable. In a second embodiment, at least one of the modular adapters further comprises a screw terminal portion having first and second 300 ohm screw terminals positioned therein and a switch portion having a two position switch positioned therein. The switch permits selective connection of the coaxial connector or the twin-lead cable to either the modular jack or the screw terminals.
REFERENCES:
patent: 4220391 (1980-09-01), Krolak et al.
patent: 4268109 (1981-05-01), Hardesty
patent: 4447106 (1984-05-01), Houtz et al.
patent: 4472010 (1984-09-01), Parnello
patent: 4477141 (1984-10-01), Hardesty
patent: 4477144 (1984-10-01), Huang
REA Bulletin 345-81, PE-76, "Specifications for Modular Telephone Set Hardware" (Aug. 1978).
A. Meier, "The Modular Telephone--A Money Saving Idea Whose Time has Come", Telephony 27-33 (Nov. 25, 1974).
Pirlot David
Trans World Connections Ltd.
Weidenfeld Gil
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