Francis Wingkit Lau

US Patent:

20090110206, Apr 30, 2009

Filed:

Jan 5, 2009

Appl. No.:

12/348854

Inventors:

John R. Haggis - San Jose CA, US
Francis Lau - Fremont CA, US
John Glissman - Manila, PH

Assignee:

AERIELLE TECHNOLOGIES, INC. - MOUNTAIN VIEW CA

International Classification:

H04R 29/00
H03F 99/00

US Classification:

381 58, 381120

Abstract:

An electronic device having a unique audio sensing method that senses the event of no audio for a predetermined period of time. The sensed information is used by a microprocessor to bring the device into a low-power mode. The same method may be used to bring a device into active mode from a low-power mode.

US Patent:

20090157803, Jun 18, 2009

Filed:

Mar 16, 2007

Appl. No.:

12/282025

Inventors:

John Haggis - San Jose CA, US
Francis Lau - Fremont CA, US

Assignee:

AERIELLE TECHNOLOGIES, INC. - Mountain View CA

International Classification:

G06F 15/16
G06F 17/30

US Classification:

709203, 7071041, 707E17044

Abstract:

A method for capture, aggregation, storage and transfer of Internet content for time-shifted playback on a portable multimedia device utilizing a content time-shifter system which is programmed and maintained via a web-based maintenance server, and schedules capture of content via on-line schedule listing and media listing services.

US Patent:

20100159836, Jun 24, 2010

Filed:

Sep 5, 2007

Appl. No.:

11/993366

Inventors:

Francis Lau - Fremont CA, US
John Haggis - San Jose CA, US

International Classification:

H04B 7/005

US Classification:

455 42, 455 71

Abstract:

An automatic preset following system for use with portable multimedia playback devices. The system uses RDS protocols including, at a minimum, AF and PI. Apparatus include an RDS enabled FM transmitter for use with a portable multimedia playback device, the transmitter having a user interface with buttons for presetting the transmitter to broadcast a signal at preset PM frequencies, and an RDS enabled FM receiver for automatically tuning to the different preset FM frequencies entered into the RDS enabled FM transmitter.

US Patent:

20100182507, Jul 22, 2010

Filed:

Apr 17, 2008

Appl. No.:

12/596227

Inventors:

John R. Haggis - San Jose CA, US
Martin Cohen - Hatboro PA, US
Arthur L. Cohen - Cupertino CA, US
Francis Lau - Fremont CA, US

Assignee:

AERIELLE TECHNOLOGIES, INC. - Mountain View CA

International Classification:

H04N 5/50

US Classification:

348570, 348E07001

Abstract:

A system for matching the currently tuned frequency of a signal transmitting device with that of a signal receiving device, including a transmitter having an illuminated color display which changes colors in relation to the channel or frequency on which the transmitter is currently tuned, and a signal receiving device having an illuminated color display which changes colors in relation to the channel or frequency on which the signal receiving unit is currently tuned. Each device has a channel selector function so that the frequency to which the device is tuned can be changed, thereby changing the color displayed.

US Patent:

20100315021, Dec 16, 2010

Filed:

Jun 11, 2010

Appl. No.:

12/814416

Inventors:

Francis Lau - Fremont CA, US
John R. Haggis - San Jose CA, US

Assignee:

AERIELLE TECHNOLOGIES, INC. - Fremont CA

International Classification:

H05B 37/02

US Classification:

315294

Abstract:

A microprocessor uses one or more output pins to pulse width modulate a charge pump network to achieve a boosted voltage on an output port. The boosted voltage is then used to drive an LED, which may have a higher voltage drop than that of the starting un-boosted voltage. The adjustment of either the frequency or duty cycle of the PWM signal allows for adjustment of the steady state output voltage. This allows for the adjustment of the brightness of the LED by firmware while supplying enough voltage drop required by the LEDs.

US Patent:

20110279409, Nov 17, 2011

Filed:

May 13, 2011

Appl. No.:

13/107565

Inventors:

Ricardo R. Salaverry - San Jose CA, US
James G. Quaderer - Sunnyvale CA, US
Francis Lau - Fremont CA, US
Joel C. Kent - Fremont CA, US

International Classification:

G06F 3/044

US Classification:

345174

Abstract:

A projected capacitive touch sensor system includes a substrate that defines a plurality of non-overlapping areas. Each non-overlapping area includes a plurality of detection electrodes arranged in non-overlapping columns. The columns include a horizontal detection electrode that extends along substantially an entire height of a first column, and at least a second column of at least two vertical detection electrodes that are electrically isolated from one another. The system further includes a measuring circuit configured to measure a mutual capacitance between the horizontal detection electrode and each of the at least two vertical detection electrodes in a given area. A processing logic circuit of the system is configured to determine horizontal detection electrode and vertical detection electrode combinations that have a changed mutual capacitance. The processing logic is also configured to determine the touch location based on a location of the determined horizontal detection electrode and vertical electrode combinations.

US Patent:

20130147767, Jun 13, 2013

Filed:

Dec 12, 2011

Appl. No.:

13/323631

Inventors:

Francis Lau - Fremont CA, US

International Classification:

G06F 3/043

US Classification:

345177

Abstract:

A method of detecting a touch event includes transmitting acoustic signals across a substrate, and receiving the acoustic signals. The received acoustic signals have a waveform profile with a dip indicative of a touch on the substrate. The method further includes determining a dispersion level of the dip from the waveform profile, and determining a location coordinate of the touch on the substrate based on the dispersion level.

US Patent:

20130147768, Jun 13, 2013

Filed:

May 31, 2012

Appl. No.:

13/485913

Inventors:

James L. Aroyan - Santa Cruz CA, US
Francis Lau - Fremont CA, US
Joel C. Kent - Fremont CA, US

International Classification:

G06F 3/043

US Classification:

345177

Abstract:

A touch input system includes a substrate configured to support propagation of acoustic signals, a transducer in communication with the substrate and configured to transmit or receive the acoustic signals before or after the propagation, and an array of reflectors disposed on the substrate. Each reflector is oriented on an angle to redirect the acoustic signals along a path toward or away from the transducer. The transducer includes a stepped interface for the redirected acoustic signals. The stepped interface includes a set of interface elements distributed across a width of the acoustic signals and offset from one another along the path to compensate for the angle of the reflectors.

Author:

Francis Lau

ISBN #:

0306464292

Author:

Francis Lau

ISBN #:

3540241280