US PATENT SUBCLASS 455 / 18
.~ With delay or recording

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

7  DF  CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) {12}
18.~ With delay or recording

DEFINITION

Classification: 455/18

With delay or recording:

(under subclass 7) Subject matter including a device to time delay or make a permanent record of the modulated carrier wave.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

261+, for miscellaneous output waveform production delay.

333, Wave Transmission Lines and Networks,

138, 164 for passive delay networks.