Walter Hirt

Person

Zurich, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Techniques to predict three-dimensional thermal distributions in re...
- Patent number 8,849,630
- Issue date Sep 30, 2014
- International Business Machines Corporation
- Yasuo Amemiya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transponder subsystem for supporting location awareness in wireless...
- Patent number 8,380,218
- Issue date Feb 19, 2013
- International Business Machines Corporation
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for user-aware video display
- Patent number 7,743,395
- Issue date Jun 22, 2010
- Lenovo PTE LTD
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for converting optical signals to radio channels
- Patent number 7,356,019
- Issue date Apr 8, 2008
- International Business Machines Corporation
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transponder subsystem for supporting location awareness in wireless...
- Patent number 7,289,815
- Issue date Oct 30, 2007
- International Business Machines Corporation
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for determining the quality of a digital signal
- Patent number 7,016,403
- Issue date Mar 21, 2006
- International Business Machines Corporation
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for determining a pulse position for a signal...
- Patent number 6,968,279
- Issue date Nov 22, 2005
- International Business Machines Corporation
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for improved connectivity in wireless optical...
- Patent number 6,850,709
- Issue date Feb 1, 2005
- Internatioal Business Machines Corporation
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Determining a time of arrival of a sent signal
- Patent number 6,784,827
- Issue date Aug 31, 2004
- International Business Machines Corporation
- Walter Hirt
- G01 - MEASURING TESTING
Information Patent Grant
Method for improved wireless optical communication and frames for u...
- Patent number 6,643,469
- Issue date Nov 4, 2003
- International Business Machines Corp.
- Fritz R. Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for noise-predictive maximum likelihood detection
- Patent number 6,625,235
- Issue date Sep 23, 2003
- International Business Machines Corporation
- Jonathan D. Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Robust method and apparatus enabling multi-mode wireless optical co...
- Patent number 6,442,145
- Issue date Aug 27, 2002
- International Business Machines Corporation
- Martin De Lange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optoelectronic transceiver having emission angle equal to reception...
- Patent number 6,377,376
- Issue date Apr 23, 2002
- International Business Machines Corporation
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet-frame generator for creating an encoded packet frame and met...
- Patent number 6,344,807
- Issue date Feb 5, 2002
- International Business Machines Corporation
- Martin Hassner
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and means for invertibly mapping binary sequences into rate...
- Patent number 6,195,025
- Issue date Feb 27, 2001
- International Business Machines Corporation
- Martin Aureliano Hassner
- G11 - INFORMATION STORAGE
Information Patent Grant
Noise predictive maximum likelihood (NPML) detection methods and ap...
- Patent number 6,104,766
- Issue date Aug 15, 2000
- International Business Machines Corporation
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for data detection for PRML data channels
- Patent number 5,949,831
- Issue date Sep 7, 1999
- International Business Machines Corporation
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optical wireless communication
- Patent number 5,926,301
- Issue date Jul 20, 1999
- International Business Machines Corporation
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data detection methods and apparatus for a direct access storage de...
- Patent number 5,619,539
- Issue date Apr 8, 1997
- International Business Machines Corporation
- Jonathan D. Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-equalization method for partial-response maximum-likelihood di...
- Patent number 5,426,541
- Issue date Jun 20, 1995
- International Business Machines Corporation
- Jonathan D. Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain control circuitry for readback apparatus in a PRML magnetic re...
- Patent number 4,750,058
- Issue date Jun 7, 1988
- International Business Machines Corporation
- Walter Hirt
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Techniques to Predict Three-Dimensional Thermal Distributions in Re...
- Publication number 20090326884
- Publication date Dec 31, 2009
- International Business Machines Corporation
- Yasuo Amemiya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Transponder subsystem for supporting location awareness in wireless...
- Publication number 20080233973
- Publication date Sep 25, 2008
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROBUST NON-COHERENT RECEIVER FOR PAM-PPM SIGNALS
- Publication number 20060285578
- Publication date Dec 21, 2006
- Martin Weisenhorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for converting optical signals to radio channels
- Publication number 20060164271
- Publication date Jul 27, 2006
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transponder subsystem for supporing location awareness in wireless...
- Publication number 20060105785
- Publication date May 18, 2006
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
User-aware video display
- Publication number 20060101497
- Publication date May 11, 2006
- International Business Machines Corporation
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for user-aware video display
- Publication number 20060015892
- Publication date Jan 19, 2006
- Walter Hirt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Determining a time of arrival of a sent signal
- Publication number 20030174086
- Publication date Sep 18, 2003
- International Business Machines Corporation
- Walter Hirt
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and method for determining the quality of a digital signal
- Publication number 20020031093
- Publication date Mar 14, 2002
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for determining a pulse position for a signal...
- Publication number 20020017949
- Publication date Feb 14, 2002
- Fritz Gfeller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Walter Hirt

Person

Patents Grantslast 30 patents

Techniques to predict three-dimensional thermal distributions in re...

Transponder subsystem for supporting location awareness in wireless...

Method and system for user-aware video display

Method and apparatus for converting optical signals to radio channels

Transponder subsystem for supporting location awareness in wireless...

Apparatus and method for determining the quality of a digital signal

Apparatus and method for determining a pulse position for a signal...

Apparatus and method for improved connectivity in wireless optical...

Determining a time of arrival of a sent signal

Method for improved wireless optical communication and frames for u...

Apparatus and method for noise-predictive maximum likelihood detection

Robust method and apparatus enabling multi-mode wireless optical co...

Optoelectronic transceiver having emission angle equal to reception...

Packet-frame generator for creating an encoded packet frame and met...

Method and means for invertibly mapping binary sequences into rate...

Noise predictive maximum likelihood (NPML) detection methods and ap...

Method and apparatus for data detection for PRML data channels

Method and apparatus for optical wireless communication

Data detection methods and apparatus for a direct access storage de...

Self-equalization method for partial-response maximum-likelihood di...

Gain control circuitry for readback apparatus in a PRML magnetic re...

Patents Applicationslast 30 patents

Techniques to Predict Three-Dimensional Thermal Distributions in Re...

Transponder subsystem for supporting location awareness in wireless...

ROBUST NON-COHERENT RECEIVER FOR PAM-PPM SIGNALS

Method and apparatus for converting optical signals to radio channels

Transponder subsystem for supporing location awareness in wireless...

User-aware video display

Method and system for user-aware video display

Determining a time of arrival of a sent signal

Apparatus and method for determining the quality of a digital signal

Apparatus and method for determining a pulse position for a signal...