US PATENT SUBCLASS 361 / 171
.~.~.~ Code responsive

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
160  DF  .~ For relays or solenoids {11}
170  DF  .~.~ Condition responsive (e.g., external circuit condition) {9}
171.~.~.~ Code responsive {1}
172  DF  .~.~.~.~> Including electronic element

DEFINITION

Classification: 361/171

Code responsive:

(under subclass 170) Subject matter wherein the external

circuit condition required to operate the relay or solenoid is the application of the proper code pulses to the control circuit.

SEE OR SEARCH CLASS

70, Locks,

278, .1 for this subject matter utilized in locks.

340, Communications: Electrical,

825+, for this subject matter in miscellaneous selective systems such as remote control systems.