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Klaas Wortel
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Phoenix, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
I/Q calibration for walking-IF architectures
Patent number
8,478,222
Issue date
Jul 2, 2013
QUALCOMM Incorporated
Klaas Wortel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Current-mode direct conversion receiver
Patent number
7,415,260
Issue date
Aug 19, 2008
Standard Microsystems Corporation
Troy L. Stockstad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication protocol for personal computer system human interface...
Patent number
7,310,498
Issue date
Dec 18, 2007
Standard Microsystems Corporation
Trenton B. Henry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Selective implementation of power management schemes based on detec...
Patent number
7,055,047
Issue date
May 30, 2006
Standard Microsystems Corporation
Klaas Wortel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
FSK modulator using IQ up-mixers and sinewave coded DACs
Patent number
7,043,222
Issue date
May 9, 2006
Standard Microsystems Corporation
Klaas Wortel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit and method for processing an automatic frequency control si...
Patent number
6,965,653
Issue date
Nov 15, 2005
FREESCALE SEMICONDUCTOR, INC.
William Eric Main
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Current controlled bridge amplifier
Patent number
6,906,587
Issue date
Jun 14, 2005
Standard Microsystems Corporation
Klaas Wortel
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Efficient class-G amplifier with wide output voltage swing
Patent number
6,838,942
Issue date
Jan 4, 2005
Standard Microsystems Corporation
Thomas A. Somerville
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Crystal oscillator with control feedback to maintain oscillation
Patent number
6,819,196
Issue date
Nov 16, 2004
Standard Microsystems Corporation
David K. Lovelace
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Phase detector for low power applications
Patent number
6,806,742
Issue date
Oct 19, 2004
Standard Microsystems Corporation
Luis J. Briones
G01 - MEASURING TESTING
Information
Patent Grant
Baseband filter for receivers
Patent number
6,703,894
Issue date
Mar 9, 2004
Standard Microsystems Corporation
Troy L. Stockstad
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Step-down clock control and method for improving convergence for a...
Patent number
6,496,556
Issue date
Dec 17, 2002
Motorola, Inc.
Karl J. Huehne
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Demodulator circuit and method of tuning
Patent number
6,369,647
Issue date
Apr 9, 2002
Motorola, Inc.
William Eric Main
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit and method of signal frequency conversion
Patent number
6,263,199
Issue date
Jul 17, 2001
Motorola, Inc.
Klaas Wortel
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit for receiving and transmitting signals and method
Patent number
6,137,997
Issue date
Oct 24, 2000
Motorola, Inc.
K. Juergen Schoepf
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Self calibrating VCO correction circuit and method of operation
Patent number
6,133,797
Issue date
Oct 17, 2000
Motorola, Inc.
David K. Lovelace
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
I/Q CALIBRATION FOR WALKING-IF ARCHITECTURES
Publication number
20080166985
Publication date
Jul 10, 2008
QUALCOMM Incorporated
Klaas Wortel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Budget sensor bus
Publication number
20060039408
Publication date
Feb 23, 2006
Standard Microsystems Corporation
Klaas Wortel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Current-mode direct conversion receiver
Publication number
20050197090
Publication date
Sep 8, 2005
Troy L. Stockstad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method to access a plurality of pn-junctions with a l...
Publication number
20050179035
Publication date
Aug 18, 2005
Paul F. Illegems
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FSK modulator using IQ up-mixers and sinewave coded DACs
Publication number
20050048931
Publication date
Mar 3, 2005
Klaas Wortel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EFFICIENT CLASS-G AMPLIFIER WITH WIDE OUTPUT VOLTAGE SWING
Publication number
20050012554
Publication date
Jan 20, 2005
Thomas A. Somerville
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Selective implementation of power management schemes based on detec...
Publication number
20040205361
Publication date
Oct 14, 2004
Klaas Wortel
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Communication protocol for personal computer system human interface...
Publication number
20040203388
Publication date
Oct 14, 2004
Trenton B. Henry
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Crystal oscillator with control feedback to maintain oscillation
Publication number
20040160285
Publication date
Aug 19, 2004
David K. Lovelace
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Enhanced register based FSK demodulator
Publication number
20040157571
Publication date
Aug 12, 2004
Klaas Wortel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CURRENT COTROLLED BRIDGE AMPLIFIER
Publication number
20040150474
Publication date
Aug 5, 2004
Klaas Wortel
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Circuit and method for processing an automatic frequency control si...
Publication number
20020080897
Publication date
Jun 27, 2002
MOTOROLA, INC.
William Eric Main
H03 - BASIC ELECTRONIC CIRCUITRY