Membership
Tour
Register
Log in
Peter J. M. Sijbers
Follow
Person
Eindhoven, NL
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Communication set with detection of set function and line condition
Patent number
7,224,793
Issue date
May 29, 2007
Philips Electronics North America Corp.
Peter J. M. Sijbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control circuit for amplified listening
Patent number
5,075,637
Issue date
Dec 24, 1991
U.S. Philips Corporation
Philippe B. E. Jouen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone set comprising a line voltage stabilizer having a DC supp...
Patent number
4,811,391
Issue date
Mar 7, 1989
U.S. Philips Corp.
Frederik Van Dongen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio transmission circuit comprising a transmit amplifier in the f...
Patent number
4,680,789
Issue date
Jul 14, 1987
U.S. Philips Corporation
Peter J. M. Sijbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone circuit with a class-B amplifier output stage
Patent number
4,649,235
Issue date
Mar 10, 1987
U.S. Philips Corporation
Peter J. M. Sijbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE