Steven Fk Chan

US Patent:

7844253, Nov 30, 2010

Filed:

Oct 19, 2007

Appl. No.:

11/875803

Inventors:

Steven S. Chan - Fremont CA, US
George C. Huang - Los Altos Hills CA, US

Assignee:

Future Dial Inc. - Sunnyvale CA

International Classification:

H04M 1/66

US Classification:

455410, 455301, 4555755, 455106, 135139

Abstract:

A method and apparatus to use a shielded enclosure for exchanging secure data. One embodiment comprises an enclosure formed of electromagnetically shielding material that prevents an electromagnetic field from entering an interior of the enclosure or emitting from the interior of the enclosure, the enclosure sized to house a mobile electronic device; a receiver within an interior of the enclosure to receive data transferred wirelessly from a mobile electronic device placed within the enclosure; and a hardware interface having a first end external to the enclosure and a second end within the interior of the enclosure and coupled to the antenna, the hardware interface to transfer data wirelessly received by the receiver to a separate device exterior to the enclosure.

US Patent:

20020174436, Nov 21, 2002

Filed:

Dec 17, 2001

Appl. No.:

10/025849

Inventors:

George Wu - Oakland CA, US
Steven Chan - San Francisco CA, US
Ronald Tamura - Fremont CA, US
Elizabeth Shoemaker - Fostser City CA, US
Tze-Yee Szeto - Santa Cruz CA, US

International Classification:

H04N007/173

US Classification:

725/087000, 725/101000

Abstract:

A system for providing on demand responses to consumer impulses produced by a demand stimulus includes a computer processing system and content databases accessible by the computer-processing system having stored stimulus responses corresponding to a plurality of consumer demand stimuli in at least two categories of demand stimuli. A real-time inquiry response system associated with the computer processing system receives inquiries provided by a consumer and identifies the content category with which the consumer inquiry is associated. The computer processing system correlates consumer inquiries received by the real-time inquiry response system with stimulus responses stored in the content database based on the content category identified by the inquiry response system, so that the real-time consumer response system can return to the consumer, in real time, a stored stimulus response which correlates to the consumer inquiry. Categories of demand stimuli can include broadcast and non-broadcast information, and can include a variety of information categories or sub-categories such as music, advertisements, and scheduled events in respect to which a consumer may desire information or make a purchase.

US Patent:

20050020303, Jan 27, 2005

Filed:

May 12, 2004

Appl. No.:

10/844771

Inventors:

Steven Chan - Fremont CA, US

International Classification:

H04M001/00

US Classification:

455556100

Abstract:

A mobile communication device including an integrated stylus input unit to input data into the device, and an interface to wirelessly transmit data. In one embodiment, the integrated stylus is a handwriting stylus input device to input data by moving the stylus over a substantially flat surface. In one embodiment, the stylus includes a motion sensor embedded in an antenna extending from the device.

US Patent:

20060200720, Sep 7, 2006

Filed:

Mar 1, 2005

Appl. No.:

11/070638

Inventors:

David Grimme - Houston TX, US
Mark Hammons - Magnolia TX, US
Steven Chan - Houston TX, US
Robert Matthews - Sugar Land TX, US

International Classification:

G01R 31/28

US Classification:

714738000

Abstract:

A peripheral device to generate read and write cycles on a PCI bus comprises a PCI bus interface. A control unit has a data pattern generator to source a data pattern to a target via the interface during a write operation and to verify an incoming data pattern from the interface during a read operation.

US Patent:

20070166730, Jul 19, 2007

Filed:

Oct 12, 2006

Appl. No.:

11/549064

Inventors:

Suresh M. Menon - San Diego CA, US
David E. Newman - Fallbrook CA, US
Steven C. Chan - San Diego CA, US

International Classification:

C12Q 1/68
C12M 3/00

US Classification:

435 6, 4352872, 977924

Abstract:

A system and method are provided to detect target analytes based on magnetic resonance measurements. Magnetic structures produce distinct magnetic field regions having a size comparable to the analyte. When the analyte is bound in those regions, magnetic resonance signals from the sample are changed, leading to detection of the analyte.

US Patent:

20130059293, Mar 7, 2013

Filed:

Sep 6, 2012

Appl. No.:

13/605539

Inventors:

Suresh M. Menon - San Diego CA, US
David E. Newman - Fallbrook CA, US
Steven C. Chan - San Diego CA, US

Assignee:

MENON INTERNATIONAL, INC. - San Diego CA

International Classification:

G01N 24/08
B82Y 15/00

US Classification:

435 5, 435 34, 436173, 977902

Abstract:

A system and method are provided to detect target analytes based on magnetic resonance measurements. Magnetic structures produce distinct magnetic field regions having a size comparable to the analyte. When the analyte is bound in those regions, magnetic resonance signals from the sample are changed, leading to detection of the analyte.

US Patent:

47376708, Apr 12, 1988

Filed:

Nov 9, 1984

Appl. No.:

6/670454

Inventors:

Steven S. Chan - Fremont CA

Assignee:

LSI Logic Corporation - Milpitas CA

International Classification:

H03K 513

US Classification:

307602

Abstract:

A circuit (40) constructed in accordance with this invention includes a ring oscillator (25) to provide a signal which is dependent on the propagation delays of the inverters (33, 34, 35) comprising the ring oscillator, therefore the frequency of the ring oscillator is inversely dependent upon the propagation delays of the inverter comprising the ring oscillator. Means (37) are provided to determine the propagation delay introduced by the components in the ring oscillator by measuring the frequency of the output signal produced by the ring oscillator which provides a signal to a multiplexer (36) which selects among a number of preset delay components (26) those components which are necessary to ensure that the propagation delay caused by the circuitry (not shown) connected to the input lead (21) of the circuit constructed in accordance with this invention plus the propagation delay introduced by the selectable delay elements is nearly a constant propagation delay.

US Patent:

48453900, Jul 4, 1989

Filed:

Jan 11, 1988

Appl. No.:

7/141862

Inventors:

Steven S. Chan - Fremont CA

Assignee:

LSI Logic Corporation - Milpitas CA

International Classification:

H03K 513
H03K 5159

US Classification:

307602

Abstract:

A circuit (40) constructed in accordance with this invention includes a ring oscillator (25) to provide a signal which is dependent on the propagation delays of the inverters (33, 34, 35) comprising the ring oscillator, therefore the frequency of the ring oscillator is inversely dependent upon the propagation delays of the inverter comprising the ring oscillator. Means (37) are provided to determine the propagation delay introduced by the components in the ring oscillator by measuring the frequency of the output signal produced by the ring oscillator which provides a signal to a multiplexer (36) which selects among a number of preset delay components (26) those components which are necessary to ensure that the propagation delay caused by the circuitry (not shown) connected to the input lead (21) of the circuit constructed in accordance with this invention plus the propagation delay introduced by the selectable delay elements is nearly a constant propagation delay.