Supervisory or control line signaling > Substation originated > Repertory or abbreviated call signal generation > By motor driven dial rotating device > Patents

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Class Information
Number: 379/358
Name: Telephonic communications > Supervisory or control line signaling > Substation originated > Repertory or abbreviated call signal generation > By motor driven dial rotating device
Description: Subject matter wherein the abbreviated call signal controls an electromechanical device which actuates a rotary dial pulse generator.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6545588	Pager with rotating knob and character display for inputting messages	Apr. 8, 2003
5974311	Method and apparatus for storing activation data in a cellular telephone	Oct. 26, 1999
5761286	Method for enabling communications between calling an called multmedia terminals	Jun. 2, 1998
5754645	Electronic apparatus having keyless control	May. 19, 1998
5751702	Network protocol for wireless broadband ISDN using ATM	May. 12, 1998
5491740	Automated key actuating cellular telephone programmer	Feb. 13, 1996
4020295	Rotary dial restriction circuit	Apr. 26, 1977
4010330	Automatic telephone dialer	Mar. 1, 1977