Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Automatic log-off signaling for telephone systems

Automatic log-off signaling for telephone systems

US Patent 6330325 · Granted Dec 11, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wireless telephone headset system with automatic log on/log off detection1999
Headset amplifier with automatic log on/log off detection1999
Headset amplifier with automatic log on/log off detection1999
Telephone headset amplifier with battery saver, receive line noise reduction, an1997
Telephone headset amplifier with battery saver, receive line noise reduction, an1997
Data transfer and communication network1996
Apparatus for and method of operating an automatic log on/log off circuit in a t1996
Apparatus for and method of operating an automatic log on/log off circuit in a t1996
Telephone headset amplifier with battery saver, receive line noise reduction, an1994
Telephone headset amplifier with battery saver, receive line noise reduction, an1994
Headset amplifier with automatic log on/log off detection1993
Headset amplifier with automatic log on/log off detection1993