US PATENT SUBCLASS 370 / 524
.~.~.~ Using a dedicated signaling channel (i.e., D-channel)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


370 /   HD   MULTIPLEX COMMUNICATIONS

464  DF  COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9}
498  DF  .~ Combining or distributing information via time channels {17}
522  DF  .~.~ Signaling (ancillary to main information) {6}
524.~.~.~ Using a dedicated signaling channel (i.e., D-channel)

DEFINITION

Classification: 370/524

Using a dedicated signaling channel (i.e., D-channel):

(under subclass 522) Subject matter wherein a predefined transmission channel is designated for signaling.