Ulrich T. Barnhoefer

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Generation of tone mapping function for dynamic pixel and backlight...
- Patent number 10,199,011
- Issue date Feb 5, 2019
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
OLED driving technique
- Patent number 9,666,137
- Issue date May 30, 2017
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Spatio-temporal color luminance dithering techniques
- Patent number 9,552,654
- Issue date Jan 24, 2017
- Apple Inc.
- Ulrich T. Barnhoefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Backlight system for a display
- Patent number 9,524,679
- Issue date Dec 20, 2016
- Apple Inc.
- Andrew P. Aitken
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Temporal filtering for dynamic pixel and backlight control
- Patent number 9,390,681
- Issue date Jul 12, 2016
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Ambient light sensing technique
- Patent number 9,355,588
- Issue date May 31, 2016
- Apple Inc.
- Peter H. Mahowald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic device with display brightness control
- Patent number 9,330,606
- Issue date May 3, 2016
- Apple Inc.
- Ulrich Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dynamic color adjustment for displays using local temperature measu...
- Patent number 9,275,607
- Issue date Mar 1, 2016
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Histogram generation and evaluation for dynamic pixel and backlight...
- Patent number 9,236,029
- Issue date Jan 12, 2016
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display brightness control temporal response
- Patent number 9,119,261
- Issue date Aug 25, 2015
- Apple Inc.
- Ulrich T. Barnhoefer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dynamic color adjustment for displays
- Patent number 8,970,468
- Issue date Mar 3, 2015
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Backlight calibration and control
- Patent number 8,907,935
- Issue date Dec 9, 2014
- Apple Inc.
- Taif Ahmed Syed
- G01 - MEASURING TESTING
Information Patent Grant
Display brightness control based on ambient light levels
- Patent number 8,884,939
- Issue date Nov 11, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable electronic device having mode dependent user input controls
- Patent number 8,866,791
- Issue date Oct 21, 2014
- Apple Inc.
- Ulrich Barnhoefer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Ambient light sensing technique
- Patent number 8,860,653
- Issue date Oct 14, 2014
- Apple Inc.
- Peter H. Mahowald
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Management techniques for video playback
- Patent number 8,766,902
- Issue date Jul 1, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus to increase bit-depth on gray-scale and multi-...
- Patent number 8,760,465
- Issue date Jun 24, 2014
- Apple Inc.
- Michael Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gamma-correction technique for video playback
- Patent number 8,692,755
- Issue date Apr 8, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display brightness control based on ambient light angles
- Patent number 8,686,981
- Issue date Apr 1, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Technique for adjusting a backlight during a brightness discontinuity
- Patent number 8,648,781
- Issue date Feb 11, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Synchronizing dynamic backlight adaptation
- Patent number 8,629,830
- Issue date Jan 14, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dynamic backlight adaptation with reduced flicker
- Patent number 8,581,826
- Issue date Nov 12, 2013
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dynamic backlight adaptation for video images with black bars
- Patent number 8,576,256
- Issue date Nov 5, 2013
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pulse-width modulation control for backlighting of a video display
- Patent number 8,502,768
- Issue date Aug 6, 2013
- Apple Inc.
- Ulrich Barnhoefer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pulse-width modulation control for backlighting of a video display
- Patent number 8,217,889
- Issue date Jul 10, 2012
- Apple Inc.
- Ulrich Barnhoefer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Error metric associated with backlight adaptation
- Patent number 8,212,843
- Issue date Jul 3, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display arrangement and approaches therefor
- Patent number 8,199,100
- Issue date Jun 12, 2012
- The Board of Trustees of the Leland Stanford Junior University
- Ulrich Tobias Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Dynamic backlight adaptation for black bars with subtitles
- Patent number 8,035,666
- Issue date Oct 11, 2011
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
AMBIENT LIGHT SENSING TECHNIQUE
- Publication number 20150029168
- Publication date Jan 29, 2015
- Apple Inc.
- Peter H. Mahowald
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Spatio-Temporal Color Luminance Dithering Techniques
- Publication number 20140160146
- Publication date Jun 12, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dynamic Color Adjustment for Displays Using Local Temperature Measu...
- Publication number 20140139570
- Publication date May 22, 2014
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Dynamic Color Adjustment for Displays
- Publication number 20140139571
- Publication date May 22, 2014
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Histogram Generation and Evaluation for Dynamic Pixel and Backlight...
- Publication number 20140078166
- Publication date Mar 20, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Temporal Filtering for Dynamic Pixel and Backlight Control
- Publication number 20140078192
- Publication date Mar 20, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Generation of Tone Mapping Function for Dynamic Pixel and Backlight...
- Publication number 20140078193
- Publication date Mar 20, 2014
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Displays and Display Pixel Adaptation
- Publication number 20140043369
- Publication date Feb 13, 2014
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
BACKLIGHT CALIBRATION AND CONTROL
- Publication number 20130328841
- Publication date Dec 12, 2013
- Apple Inc.
- Taif Ahmed Syed
- G01 - MEASURING TESTING
Information Patent Application
Electronic Device With Display Brightness Control
- Publication number 20130328842
- Publication date Dec 12, 2013
- Apple Inc.
- Ulrich Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FRAMEWORK FOR DISPLAY BRIGHTNESS CONTROL AND VISUAL EXPERIENCE
- Publication number 20130328944
- Publication date Dec 12, 2013
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
PULSE-WIDTH MODULATION CONTROL FOR BACKLIGHTING OF A VIDEO DISPLAY
- Publication number 20120262506
- Publication date Oct 18, 2012
- Apple Inc.
- Ulrich Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHOD AND APPARATUS TO INCREASE BIT-DEPTH ON GRAY-SCALE AND MULTI-...
- Publication number 20120262475
- Publication date Oct 18, 2012
- Apple Inc.
- Michael Frank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LUMINANCE-BASED DITHERING TECHNIQUE
- Publication number 20120154423
- Publication date Jun 21, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPATIO-TEMPORAL COLOR LUMINANCE DITHERING TECHNIQUES
- Publication number 20120154428
- Publication date Jun 21, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OLED DRIVING TECHNIQUE
- Publication number 20120098870
- Publication date Apr 26, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
BACKLIGHT SYSTEM FOR A DISPLAY
- Publication number 20120068978
- Publication date Mar 22, 2012
- Apple Inc.
- Andrew P. Aitken
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
AMBIENT LIGHT SENSING TECHNIQUE
- Publication number 20120050307
- Publication date Mar 1, 2012
- Apple Inc.
- Peter H. Mahowald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ALIGNMENT FACTOR FOR AMBIENT LIGHTING CALIBRATION
- Publication number 20120019494
- Publication date Jan 26, 2012
- Apple Inc.
- David W. Lum
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY BRIGHTNESS CONTROL TEMPORAL RESPONSE
- Publication number 20120019493
- Publication date Jan 26, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY BRIGHTNESS CONTROL BASED ON AMBIENT LIGHT ANGLES
- Publication number 20120019152
- Publication date Jan 26, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY BRIGHTNESS CONTROL BASED ON AMBIENT LIGHT LEVELS
- Publication number 20120019492
- Publication date Jan 26, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DYNAMIC BACKLIGHT ADAPTATION FOR BLACK BARS WITH SUBTITLES
- Publication number 20120002110
- Publication date Jan 5, 2012
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Portable Electronic Device Having Mode Dependent User Input Controls
- Publication number 20110163976
- Publication date Jul 7, 2011
- Ulrich Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mode Dependent Configuration of Portable Electronic Device
- Publication number 20110163977
- Publication date Jul 7, 2011
- Ulrich Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PULSE-WIDTH MODULATION CONTROL FOR BACKLIGHTING OF A VIDEO DISPLAY
- Publication number 20100117549
- Publication date May 13, 2010
- Apple Inc.
- Ulrich Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
MANAGEMENT TECHNIQUES FOR VIDEO PLAYBACK
- Publication number 20090161020
- Publication date Jun 25, 2009
- Apple Inc.
- Ulrich T. Barnhoefer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DYNAMIC BACKLIGHT ADAPTATION WITH REDUCED FLICKER
- Publication number 20090002311
- Publication date Jan 1, 2009
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ERROR METRIC ASSOCIATED WITH BACKLIGHT ADAPTATION
- Publication number 20090002402
- Publication date Jan 1, 2009
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
SYNCHRONIZING DYNAMIC BACKLIGHT ADAPTATION
- Publication number 20090002404
- Publication date Jan 1, 2009
- Apple Inc.
- Ulrich T. Barnhoefer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Ulrich T. Barnhoefer

Person

Patents Grantslast 30 patents

Generation of tone mapping function for dynamic pixel and backlight...

OLED driving technique

Spatio-temporal color luminance dithering techniques

Backlight system for a display

Temporal filtering for dynamic pixel and backlight control

Ambient light sensing technique

Electronic device with display brightness control

Dynamic color adjustment for displays using local temperature measu...

Histogram generation and evaluation for dynamic pixel and backlight...

Display brightness control temporal response

Dynamic color adjustment for displays

Backlight calibration and control

Display brightness control based on ambient light levels

Portable electronic device having mode dependent user input controls

Ambient light sensing technique

Management techniques for video playback

Method and apparatus to increase bit-depth on gray-scale and multi-...

Gamma-correction technique for video playback

Display brightness control based on ambient light angles

Technique for adjusting a backlight during a brightness discontinuity

Synchronizing dynamic backlight adaptation

Dynamic backlight adaptation with reduced flicker

Dynamic backlight adaptation for video images with black bars

Pulse-width modulation control for backlighting of a video display

Pulse-width modulation control for backlighting of a video display

Error metric associated with backlight adaptation

Display arrangement and approaches therefor

Dynamic backlight adaptation for black bars with subtitles

Patents Applicationslast 30 patents

AMBIENT LIGHT SENSING TECHNIQUE

Spatio-Temporal Color Luminance Dithering Techniques

Dynamic Color Adjustment for Displays Using Local Temperature Measu...

Dynamic Color Adjustment for Displays

Histogram Generation and Evaluation for Dynamic Pixel and Backlight...

Temporal Filtering for Dynamic Pixel and Backlight Control

Generation of Tone Mapping Function for Dynamic Pixel and Backlight...

Displays and Display Pixel Adaptation

BACKLIGHT CALIBRATION AND CONTROL

Electronic Device With Display Brightness Control

FRAMEWORK FOR DISPLAY BRIGHTNESS CONTROL AND VISUAL EXPERIENCE

PULSE-WIDTH MODULATION CONTROL FOR BACKLIGHTING OF A VIDEO DISPLAY

METHOD AND APPARATUS TO INCREASE BIT-DEPTH ON GRAY-SCALE AND MULTI-...

LUMINANCE-BASED DITHERING TECHNIQUE

SPATIO-TEMPORAL COLOR LUMINANCE DITHERING TECHNIQUES

OLED DRIVING TECHNIQUE

BACKLIGHT SYSTEM FOR A DISPLAY

AMBIENT LIGHT SENSING TECHNIQUE

ALIGNMENT FACTOR FOR AMBIENT LIGHTING CALIBRATION

DISPLAY BRIGHTNESS CONTROL TEMPORAL RESPONSE

DISPLAY BRIGHTNESS CONTROL BASED ON AMBIENT LIGHT ANGLES

DISPLAY BRIGHTNESS CONTROL BASED ON AMBIENT LIGHT LEVELS

DYNAMIC BACKLIGHT ADAPTATION FOR BLACK BARS WITH SUBTITLES

Portable Electronic Device Having Mode Dependent User Input Controls

Mode Dependent Configuration of Portable Electronic Device

PULSE-WIDTH MODULATION CONTROL FOR BACKLIGHTING OF A VIDEO DISPLAY

MANAGEMENT TECHNIQUES FOR VIDEO PLAYBACK

DYNAMIC BACKLIGHT ADAPTATION WITH REDUCED FLICKER

ERROR METRIC ASSOCIATED WITH BACKLIGHT ADAPTATION

SYNCHRONIZING DYNAMIC BACKLIGHT ADAPTATION