Roeland John Heijna

Person

Nijmegen, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Polar modulator
- Patent number 9,240,919
- Issue date Jan 19, 2016
- ST-Ericsson SA
- Hendrik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dutycycle adjustment to improve efficiency of a digital RF-PA
- Patent number 8,699,619
- Issue date Apr 15, 2014
- Ericsson Modems SA
- Hendrik Visser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current saving by reduced modulation code and selective gating of R...
- Patent number 8,554,158
- Issue date Oct 8, 2013
- ST-Ericsson SA
- Norbert Van Den Bos
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switched current mirror with good matching
- Patent number 8,373,491
- Issue date Feb 12, 2013
- ST-Ericsson SA
- Norbert Van Den Bos
- G05 - CONTROLLING REGULATING
Information Patent Grant
PA load-line tuning with capacitors around a balun
- Patent number 8,339,203
- Issue date Dec 25, 2012
- ST-Ericsson SA
- Hendrik Visser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Calibrate output matching for correct output power
- Patent number 8,294,514
- Issue date Oct 23, 2012
- ST-Ericsson SA
- Hendrik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Setting the slice level in a binary signal
- Patent number 7,711,071
- Issue date May 4, 2010
- NXP B.V.
- Roeland John Heijna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for signal amplitude detection
- Patent number 7,235,985
- Issue date Jun 26, 2007
- NXP B.V.
- Roeland John Heijna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring oscillator and means for controlling the frequency thereof
- Patent number 6,661,300
- Issue date Dec 9, 2003
- Koninklijke Philips Electronics N.V.
- Roeland John Heijna
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain control for parallel-arranged differential pairs
- Patent number 5,838,198
- Issue date Nov 17, 1998
- U.S. Philips Corporation
- Roeland J. Heijna
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Polar Modulator
- Publication number 20150139360
- Publication date May 21, 2015
- ST-ERICSSON SA
- Hendrik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCHED CURRENT MIRROR WITH GOOD MATCHING
- Publication number 20120081174
- Publication date Apr 5, 2012
- Norbert Van Den Bos
- G05 - CONTROLLING REGULATING
Information Patent Application
Current Saving by Reduced Modulation Code and Selective Gating of R...
- Publication number 20120081183
- Publication date Apr 5, 2012
- Norbert Van Den Bos
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DUTYCYCLE ADJUSTMENT TO IMPROVE EFFICIENCY OF A DIGITAL RF-PA
- Publication number 20120081179
- Publication date Apr 5, 2012
- Hendrik Visser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PA LOAD-LINE TUNING WITH CAPACITORS AROUND A BALUN
- Publication number 20120075019
- Publication date Mar 29, 2012
- Hendrik Visser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CALIBRATE OUTPUT MATCHING FOR CORRECT OUTPUT POWER
- Publication number 20120075016
- Publication date Mar 29, 2012
- Hendrik Visser
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Setting the slice level in a binary signal
- Publication number 20060152626
- Publication date Jul 13, 2006
- Koninklijke Philips Electronics, N.V.
- Roeland John Heijna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic slice level detector
- Publication number 20060055435
- Publication date Mar 16, 2006
- Koninklijke Philips Electronics N.V.
- Roeland John Heijna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for signal amplitude detection
- Publication number 20060012381
- Publication date Jan 19, 2006
- Koninklijke Philips Electronics N.V.
- Roeland John Heijna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Minimum detector arrangement
- Publication number 20030071648
- Publication date Apr 17, 2003
- Roeland John Heijna
- G01 - MEASURING TESTING
Information Patent Application
Ring oscillator, detector, receiver and device for reproducing an i...
- Publication number 20020163393
- Publication date Nov 7, 2002
- Roeland John Heijna
- G11 - INFORMATION STORAGE

Roeland John Heijna

Person

Patents Grantslast 30 patents

Polar modulator

Dutycycle adjustment to improve efficiency of a digital RF-PA

Current saving by reduced modulation code and selective gating of R...

Switched current mirror with good matching

PA load-line tuning with capacitors around a balun

Calibrate output matching for correct output power

Setting the slice level in a binary signal

Method and device for signal amplitude detection

Ring oscillator and means for controlling the frequency thereof

Gain control for parallel-arranged differential pairs

Patents Applicationslast 30 patents

Polar Modulator

SWITCHED CURRENT MIRROR WITH GOOD MATCHING

Current Saving by Reduced Modulation Code and Selective Gating of R...

DUTYCYCLE ADJUSTMENT TO IMPROVE EFFICIENCY OF A DIGITAL RF-PA

PA LOAD-LINE TUNING WITH CAPACITORS AROUND A BALUN

CALIBRATE OUTPUT MATCHING FOR CORRECT OUTPUT POWER

Setting the slice level in a binary signal

Dynamic slice level detector

Method and device for signal amplitude detection

Minimum detector arrangement

Ring oscillator, detector, receiver and device for reproducing an i...