Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Time division multiplex (TDM) switching system especially for pulse code modulated (PCM) telephony signals

Time division multiplex (TDM) switching system especially for pulse code modulated (PCM) telephony signals

US Patent 4805172 · Granted Feb 14, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System for rollout of certificates to client and server independent of public ke2022
System and method for analysis of test pattern image data in an inkjet printer u2014
Integrated circuit with multiple power domains2007
Inline purge capability (purge while run) to improve system productivity during 2007
Ring trip detection system1985
High density component mounting back panel for electronic equipment1984
System for the testing of telephone switching systems1982
Timing signal generation and distribution system for TDM telecommunications syst1980
Selectively controlled digital pad1980