Self-bypass twin coaxial network connector

Details Self-bypass twin coaxial network connector Self-bypass twin coaxial network connector

1992-06-03

1993-06-15

Bradley, Paula A.

Electrical connectors

Having circuit interrupting provision effected by mating or...

200 5109, 200 511, 439581, 439620, H01R 2900

Patent

active

052192970

ABSTRACT:
A paired coaxial jack assembly is provided for tap connection in a coaxial cable network. When a device such as a computer or terminal is connected by paired cables with plugs into the jack assembly, a continuous electrical path is established through the device. When one or both plugs are uncoupled from the jack assembly a shunt or bypass is automatically established between the central conductors of the unmated jacks through a unique switching structure in the jack to maintain undisturbed continuity in the network. The switching mechanism employs a resilient movable contact member held in place by the insulator of the jack. The contact member has a flexible crook or bight that extends into the recess normally occupied by the dielectric of the mating plug. The crook includes a lever arm with a contact end that is normally biased into contact with the central conductor. When a plug is coupled to the jack, its dielectric forces the bight centripetally against a fulcrum portion of the jack's insulator, the lever arm pivots about the fulcrum and the contact end is forced out of contact with the central conductor. The resilient movable contact member of each switching jack is wired to the central conductor of the other jack so that when either switching jack is unmated, the two conductors are connected in a bypass configuration. In another embodiment the switching jack mechanism is used in a self-terminating coaxial connector with the resilient movable contact member wired through a resistor to the outer shielding of the connector to provide a fixed impedance across the cable when the jack is unmated.

REFERENCES:
patent: 4628159 (1986-12-01), Deitch
patent: 4633048 (1985-10-01), Komatsu
patent: 4713024 (1987-12-01), Hatakeyama et al.
patent: 4759729 (1988-07-01), Kemppainen
patent: 4786258 (1988-11-01), Shaffer
patent: 4798542 (1989-01-01), Asick
patent: 4971569 (1990-11-01), Gooch
patent: 5078623 (1992-01-01), Wang
patent: 5145416 (1992-09-01), Cruise et al.
patent: 5169343 (1992-12-01), Andrews

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