Johannes O. Voorman

Person

Eindhoven, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disk system with delay-difference detector without delay lines
- Patent number 7,433,292
- Issue date Oct 7, 2008
- Koninklijke Philips Electronics N.V.
- Johannes Otto Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk system with non-linearly controlled amplifier
- Patent number 7,313,060
- Issue date Dec 25, 2007
- Koninklijke Philips Electronics, N.V.
- Johannes Otto Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reading magnetic information which is immunized against t...
- Patent number 6,940,670
- Issue date Sep 6, 2005
- Koninklijke Philips Electronics N.V.
- Gerben Willem De Jong
- G11 - INFORMATION STORAGE
Information Patent Grant
Erasure based instantaneous loop control in a data receiver
- Patent number 6,788,749
- Issue date Sep 7, 2004
- Koninklijke Philips Electronics N.V.
- Johannes Otto Voorman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current mirror circuit with interconnected control electrodies coup...
- Patent number 6,747,330
- Issue date Jun 8, 2004
- Koninklijke Philips Electronics N.V.
- Johannes Otto Voorman
- G05 - CONTROLLING REGULATING
Information Patent Grant
Servo format for hard disks, preferably hard disks
- Patent number 6,515,812
- Issue date Feb 4, 2003
- Koninklijke Philips Electronics N.V.
- Johannes Wilhelmus Maria Bergmans
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for reading magnetic information
- Patent number 6,449,113
- Issue date Sep 10, 2002
- Koninklijke Philips Electronics N.V.
- Patrick Leclerc
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement for reading information form a record carrier
- Patent number 6,381,082
- Issue date Apr 30, 2002
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus provided with a write driver circuit
- Patent number 6,324,028
- Issue date Nov 27, 2001
- U.S. Philips Corporation
- Joao N. V. L. Ramalho
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement for reading information from a magnetic record carrier
- Patent number 6,304,396
- Issue date Oct 16, 2001
- U.S. Philips Corporation
- Joao N. V. L. Ramalho
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for write compensation in magnetic-media recording
- Patent number 6,288,859
- Issue date Sep 11, 2001
- U.S. Philips Corporation
- Johannes W. M. Bergmans
- G11 - INFORMATION STORAGE
Information Patent Grant
Peak detection apparatus
- Patent number 6,188,250
- Issue date Feb 13, 2001
- U.S. Philips Corporation
- Johannes O. Voorman
- G01 - MEASURING TESTING
Information Patent Grant
Automatic gain control circuit for use in detecting servo pulses fo...
- Patent number 6,137,647
- Issue date Oct 24, 2000
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device utilizing erasure information as a reliability in...
- Patent number 6,134,065
- Issue date Oct 17, 2000
- U.S. Philips Corporation
- Johannes W. M. Bergmans
- G11 - INFORMATION STORAGE
Information Patent Grant
Fast acquisition method for obtaining data from a transmission chan...
- Patent number 6,118,833
- Issue date Sep 12, 2000
- U.S. Philips Corporation
- Johannes W. M. Bergmans
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for write compensation in magnetic media recording
- Patent number 6,091,558
- Issue date Jul 18, 2000
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Unreliability detector apparatus and reproduction apparatus provide...
- Patent number 5,974,099
- Issue date Oct 26, 1999
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable-gain amplifier with pseudo-logarithmic gain control for ge...
- Patent number 5,952,880
- Issue date Sep 14, 1999
- U.S. Philips Corporation
- Johannes O. Voorman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission, recording and reproduction of a digital information s...
- Patent number 5,943,368
- Issue date Aug 24, 1999
- U.S. Philips Corporation
- Johannes W.M. Bergmans
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated system for reading magnetic information
- Patent number 5,909,024
- Issue date Jun 1, 1999
- U.S. Philips Corporation
- Johannes Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic circuit comprising complementary transconductors for fil...
- Patent number 5,859,566
- Issue date Jan 12, 1999
- U.S. Philips Corporation
- Johannes O. Voorman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Arrangement comprising a magnetic write head, and write amplifier w...
- Patent number 5,790,336
- Issue date Aug 4, 1998
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head write amplifier including current mirrors and switcha...
- Patent number 5,668,676
- Issue date Sep 16, 1997
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement for reading information from a track on a record carrie...
- Patent number 5,619,386
- Issue date Apr 8, 1997
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit and method for testing a disk drive head assembly without p...
- Patent number 5,589,777
- Issue date Dec 31, 1996
- Hewlett-Packard Company
- Bradley K. Davis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Differential amplifier with common-mode rejection for low supply vo...
- Patent number 5,568,091
- Issue date Oct 22, 1996
- U.S. Philips Corporation
- Joao N. V. L. Ramalho
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Balanced arrangement for reading information from a track on a reco...
- Patent number 5,559,646
- Issue date Sep 24, 1996
- U.S. Philips Corporation
- Johannes O. Voorman
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmission system for multivalued digital symbols
- Patent number 5,557,638
- Issue date Sep 17, 1996
- U.S. Philips Corporation
- Kevin D. Fisher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency compensation circuit for stabilizing a differential ampli...
- Patent number 5,525,930
- Issue date Jun 11, 1996
- U.S. Philips Corporation
- Hendrik J. Pothast
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter comprising an eletronic arrangement for generating a mo...
- Patent number 5,469,475
- Issue date Nov 21, 1995
- U.S. Philips Corporation
- Johannes O. Voorman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Upside-down photo detector
- Publication number 20060163607
- Publication date Jul 27, 2006
- Koninklijke Philips Electronics N.V.
- Johannes Otto Voorman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical disk system with delay-difference detector without delay lines
- Publication number 20060072393
- Publication date Apr 6, 2006
- Johannes Otto Voorman
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk system with non-linearly controlled amplifier
- Publication number 20050265149
- Publication date Dec 1, 2005
- Johannes Otto Voorman
- G11 - INFORMATION STORAGE
Information Patent Application
Current mirror circuit
- Publication number 20020180490
- Publication date Dec 5, 2002
- Johannes Otto Voorman
- G05 - CONTROLLING REGULATING
Information Patent Application
Method of reading magnetic information which is immunized against t...
- Publication number 20020159175
- Publication date Oct 31, 2002
- Gerben Willem De Jong
- G11 - INFORMATION STORAGE
Information Patent Application
Erasure based instantaneous loop control in a data receiver
- Publication number 20010043658
- Publication date Nov 22, 2001
- Johannes Otto Voorman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Johannes O. Voorman

Person

Patents Grantslast 30 patents

Optical disk system with delay-difference detector without delay lines

Optical disk system with non-linearly controlled amplifier

Method of reading magnetic information which is immunized against t...

Erasure based instantaneous loop control in a data receiver

Current mirror circuit with interconnected control electrodies coup...

Servo format for hard disks, preferably hard disks

Device for reading magnetic information

Arrangement for reading information form a record carrier

Recording apparatus provided with a write driver circuit

Arrangement for reading information from a magnetic record carrier

Device for write compensation in magnetic-media recording

Peak detection apparatus

Automatic gain control circuit for use in detecting servo pulses fo...

Method and device utilizing erasure information as a reliability in...

Fast acquisition method for obtaining data from a transmission chan...

Device for write compensation in magnetic media recording

Unreliability detector apparatus and reproduction apparatus provide...

Variable-gain amplifier with pseudo-logarithmic gain control for ge...

Transmission, recording and reproduction of a digital information s...

Integrated system for reading magnetic information

Electronic circuit comprising complementary transconductors for fil...

Arrangement comprising a magnetic write head, and write amplifier w...

Magnetic head write amplifier including current mirrors and switcha...

Arrangement for reading information from a track on a record carrie...

Circuit and method for testing a disk drive head assembly without p...

Differential amplifier with common-mode rejection for low supply vo...

Balanced arrangement for reading information from a track on a reco...

Transmission system for multivalued digital symbols

Frequency compensation circuit for stabilizing a differential ampli...

Transmitter comprising an eletronic arrangement for generating a mo...

Patents Applicationslast 30 patents

Upside-down photo detector

Optical disk system with delay-difference detector without delay lines

Optical disk system with non-linearly controlled amplifier

Current mirror circuit

Method of reading magnetic information which is immunized against t...

Erasure based instantaneous loop control in a data receiver