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David W. Lum patents

Recent patents with David W. Lum listed as an inventor - additional entries may be under other spellings.


David W. Lum - Related organizations: Apple Inc. patents

Low power display device with variable refresh rates

02/16/17 - 20170047027 - The disclosure describes procedures for dynamically employing a variable refresh rate at an LCD display of a consumer electronic device, such as a laptop computer, a tablet computer, a mobile phone, or a music player device. In some configurations, the consumer electronic device can include a host system portion, having
Inventors: Prasanna Nambi, Jason N. Gomez, Fenghua Zheng, Paolo Sacchetto, Sandro H. Pintz, Taesung Kim, Christopher P. Tann, Marc Albrecht, David W. Lum

High speed display interface

09/22/16 - 20160275905 - Methods and devices employing circuitry for dynamically adjusting bandwidth control of a display interface are provided. The display interface or image content is dynamically adjusted to support both high-speed image data (e.g., 120 Hz image data) and lower-speed content (e.g., 60 Hz content). For example, in some embodiments, additional pixel
Inventors: Paolo Sacchetto, David W. Lum, Christopher P. Tann, Guy Cote, Chaohao Wang, Sandro H. Pintz

Method and apparatus for simplifying communication between a host system and a display subsystem

07/16/15 - 20150199292 - A method for simplifying the host-to-display subsystem communications and consolidating the non-volatile memory requirements into a PMIC (power management integrated circuit) is disclosed. Hardware and software resource reduction in both the client devices (located in the display subsystem) and the host System on a Chip (SOC) can be realized with
Inventors: David W. Lum, Thomas J. Wilson, Paolo Sacchetto, Sandro H. Pintz, Fenghua Zheng

Low power display device with variable refresh rates

07/17/14 - 20140198138 - The disclosure describes procedures for dynamically employing a variable refresh rate at an LCD display of a consumer electronic device, such as a laptop computer, a tablet computer, a mobile phone, or a music player device. In some configurations, the consumer electronic device can include a host system portion, having
Inventors: Prasanna Nambi, Jason N. Gomez, Fenghua Zheng, Paolo Sacchetto, Sandro H. Pintz, Taesung Kim, Christopher P. Tann, Marc Albrecht, David W. Lum

Low power display device with variable refresh rates

07/17/14 - 20140198114 - The disclosure describes procedures for dynamically employing a variable refresh rate at an LCD display of a consumer electronic device, such as a laptop computer, a tablet computer, a mobile phone, or a music player device. In some configurations, the consumer electronic device can include a host system portion, having
Inventors: Prasanna Nambi, Jason N. Gomez, Fenghua Zheng, Paolo Sacchetto, Sandro H. Pintz, Taesung Kim, Christopher P. Tann, Marc Albrecht, David W. Lum

Low power display device with variable refresh rates

07/17/14 - 20140198093 - The disclosure describes procedures for dynamically employing a variable refresh rate at an LCD display of a consumer electronic device, such as a laptop computer, a tablet computer, a mobile phone, or a music player device. In some configurations, the consumer electronic device can include a host system portion, having
Inventors: Prasanna Nambi, Jason N. Gomez, Fenghua Zheng, Paolo Sacchetto, Sandro H. Pintz, Taesung Kim, Christopher P. Tann, Marc Albrecht, David W. Lum

Ambient light calibration for energy efficiency in display systems

12/13/12 - 20120313911 - A method, system, and apparatus that can be used to operate a display device in an energy efficient manner. The energy efficient display device can effectively and efficiently compensate for changes in ambient light incident at a display screen of the display device using an internal ambient light sensor to
Inventors: David W. Lum

Color correction method and apparatus for displays

11/08/12 - 20120281008 - Method and apparatus for adjusting the display characteristics of an electronic display, such as a computer or television display. The display is color corrected, e.g., at the factory, to measure its white point correction, gamma and gray tracking correction, and the gain correction over time as the display warms up.
Inventors: Gabriel Gheorghe Marcu, Wei Chen, David W. Lum, Jean-jacques P. Drolet

Interrupt-based notifications for display setting changes

02/02/12 - 20120026202 - The disclosed embodiments relate to a system that communicates a change in a display setting from a display to a host system for the display. During operation, the system determines at the display that the display setting has changed. Next, in response to the change, the system sends an interrupt
Inventors: Maciej Maciesowicz, Jack I. Fu, David W. Lum

Alignment factor for ambient lighting calibration

01/26/12 - 20120019494 - A method, system, and apparatus that can be used to operate a display device in an energy efficient manner. The energy efficient display device can effectively and efficiently compensate for changes in ambient light incident at a display screen of the display device using an internal ambient light sensor to
Inventors: David W. Lum, Ulrich Barnhoefer, Nyok Khiam Lam, Paolo Sacchetto

Ambient light calibration for energy efficiency in display systems

01/26/12 - 20120019151 - A method, system, and apparatus that can be used to operate a display device in an energy efficient manner. The energy efficient display device can effectively and efficiently compensate for changes in ambient light incident at a display screen of the display device using an internal ambient light sensor to
Inventors: David W. Lum


### David W. Lum patent invention listings

The bibliographic references displayed about David W. Lum's patents are for a recent sample of David W. Lum's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If David W. Lum filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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