Inventor

CHEN SHU-REN

US6 patents

⚠️ This page may combine multiple inventors who share the name “CHEN SHU-REN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ACS COMMUNICATIONS

4 patents

US5488657AJan 30, 1996

Apparatus for and method of operating an automatic log on/log off circuit in a telephone system by disconnecting a headset

ACS COMMUNICATIONS40 citations94

US5226077AJul 6, 1993

Headset amplifier with automatic log on/log off detection

ACS COMMUNICATIONS68 citations94

US5353347AOct 4, 1994

Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mute switching

ACS COMMUNICATIONS44 citations91

US4926961AMay 22, 1990

Hinged acoustical voice tube

ACS COMMUNICATIONS79 citations90

ACS WIRELESS INC

1 patent

USRE35536EJun 17, 1997

Telephone headset amplifier with battery saver, receive line noise reduction, and click-free mute switching

ACS WIRELESS INC110 citations96

GN NETCOM INC

1 patent

US5926543AJul 20, 1999

Headset amplifier with automatic log on/log off detection

GN NETCOM INC9 citations72