US PATENT SUBCLASS 335 / 112
.~.~.~.~.~.~ Crossbar type

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
106  DF  .~ Multiple contact type {5}
107  DF  .~.~ Contacts-selectively, sequentially, alternately, or intermittently actuated {3}
108  DF  .~.~.~ Automatic telephone type {7}
109  DF  .~.~.~.~ Plural or multidirection mechanical selector motions {2}
111  DF  .~.~.~.~.~ Selector structure {1}
112.~.~.~.~.~.~ Crossbar type

DEFINITION

Classification: 335/112

(under subclass 111) Subject matter wherein the structure includes a device having a plurality of contacts arranged in

a vertical path, a plurality of contacts arranged in a plurality of horizontal paths and an electromagnetically operated means for interconnecting any one or any group of the vertically arranged contacts with any one or any group of the horizontally arranged contacts.

SEE OR SEARCH CLASS

340, Communications: Electrical,

825.79+, for selective signalling systems utilizing matrix type (e.g., crossed gratings) switching devices.