Daniel Johannes Gerardus Janssen

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless digital communication device, and a peak-detector
- Patent number 5,978,664
- Issue date Nov 2, 1999
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage reference arrangement, a voltameter, a battery voltage dete...
- Patent number 5,828,209
- Issue date Oct 27, 1998
- U.S. Philips Corporation
- Daniel J. G. Janssen
- G05 - CONTROLLING REGULATING
Information Patent Grant
Wireless digital communication device, and a pulse shaping network
- Patent number 5,815,537
- Issue date Sep 29, 1998
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Buffer system with reduced interference
- Patent number 5,397,940
- Issue date Mar 14, 1995
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital filter
- Patent number 5,081,605
- Issue date Jan 14, 1992
- U.S. Philips Corp.
- Daniel J. G. Janssen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Telecommunication system comprising a bus conductor and telecommuni...
- Patent number 4,799,236
- Issue date Jan 17, 1989
- U.S. Philips Corp.
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, station and system for the transmission of messages in the...
- Patent number 4,672,606
- Issue date Jun 9, 1987
- U.S. Philips Corporation
- Wouter Bourgonje
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple use digital tone generator in telephone
- Patent number 4,571,462
- Issue date Feb 18, 1986
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission circuit for an electronic telephone set
- Patent number 4,518,828
- Issue date May 21, 1985
- U.S. Philips Corporation
- Josephus J. A. Geboers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone subscriber line looping circuit
- Patent number 4,476,352
- Issue date Oct 9, 1984
- U.S. Philips Corporation
- Frederik H. Gerritsen
- G01 - MEASURING TESTING
Information Patent Grant
Line interruption arrangement
- Patent number 4,390,753
- Issue date Jun 28, 1983
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line interruption circuit for use in a telephone set
- Patent number 4,388,499
- Issue date Jun 14, 1983
- U.S. Philips Corporation
- Daniel J. G. Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage stabilizer suitable for use in a telephone set
- Patent number 4,388,498
- Issue date Jun 14, 1983
- U.S. Philips Corporation
- Josephus J. A. Geboers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decimation, linear phase, digital FIR filter
- Patent number 4,344,149
- Issue date Aug 10, 1982
- U.S. Philips Corporation
- Leendert van de Meeberg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage stabilizer suitable for a telephone set
- Patent number 4,341,991
- Issue date Jul 27, 1982
- U.S. Philips Corporation
- Josephus J. A. Geboers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current stabilizing circuit
- Patent number 4,117,391
- Issue date Sep 26, 1978
- U.S. Philips Corporation
- Daniel Johannes Gerardus Janssen
- G05 - CONTROLLING REGULATING
Information Patent Grant
Protection device for a subscriber's telephone set
- Patent number 4,079,211
- Issue date Mar 14, 1978
- U.S. Philips Corporation
- Daniel Johannes Gerardus Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Line matching circuit for use in a tone pushbutton dialling subscri...
- Patent number 3,982,078
- Issue date Sep 21, 1976
- U.S. Philips Corporation
- Daniel Johannes Gerardus Janssen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Daniel Johannes Gerardus Janssen

Person

Patents Grantslast 30 patents

Wireless digital communication device, and a peak-detector

Voltage reference arrangement, a voltameter, a battery voltage dete...

Wireless digital communication device, and a pulse shaping network

Buffer system with reduced interference

Digital filter

Telecommunication system comprising a bus conductor and telecommuni...

Method, station and system for the transmission of messages in the...

Multiple use digital tone generator in telephone

Transmission circuit for an electronic telephone set

Telephone subscriber line looping circuit

Line interruption arrangement

Line interruption circuit for use in a telephone set

Voltage stabilizer suitable for use in a telephone set

Decimation, linear phase, digital FIR filter

Voltage stabilizer suitable for a telephone set

Current stabilizing circuit

Protection device for a subscriber's telephone set

Line matching circuit for use in a tone pushbutton dialling subscri...