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Kin E Shum

from Sunnyvale, CA
Age ~57
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Also known as:
Kin Edward Shum, Kin E Shen
Phone and address:
1168 La Rochelle Ter, Sunnyvale, CA 94089
(408) 734-5740
Related to:
Holly Shum, 35Lai H Shum, 87Li Shen, 63Joan Shen, 57Shumkwong Chung, 88
Connected to:
Alex H Shum, 54Alexandra C Shum, 55Anita C Shum, 76Annie C Shum, 87Arthur C Shum, 40Athena L Shum, 47Carol S Shum, 77Chui Shum, 91Connie T Shum, 65Courtney C Shum, 39

Kin Shum Phones & Addresses

  • 1168 La Rochelle Ter, Sunnyvale, CA 94089 (408) 734-5740
  • San Jose, CA
  • 214 Charleston Rd, Palo Alto, CA 94306 (408) 734-5740 (650) 843-1698
  • Wallins Creek, KY
  • Santa Clara, CA
  • Los Angeles, CA

Education

School / High School: Sun Yat-Sen University 2008 to 2012

Industries

Entertainment

Resumes

Resumes

Kin Shum Photo 1

Kin Shum

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Industry:
Entertainment
Education:
Sun Yat-Sen University 2008 - 2012

Business Records

Name / Title
Company / Classification
Phones & Addresses
Kin Shum
President
Kinetic Technologies
Semiconductors · Mfg Switchgear/Switchboards
1185 Bordeaux Dr SUITE D, Sunnyvale, CA 94089
256 Gibraltar Dr, Sunnyvale, CA 94089
(408) 752-0276
Kin Shum
Managing
Kinetic Technology
Mfg Aircraft
214 E Charleston Rd, Palo Alto, CA 94306

Publications

Us Patents

System And Method For Wide-Range High-Accuracy-Low-Dropout Current Regulation

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US Patent:
7839097, Nov 23, 2010
Filed:
Jan 31, 2008
Appl. No.:
12/012394
Inventors:
Lu Chen - San Jose CA, US
Kin Edward Shum - Palo Alto CA, US
Assignee:
Kinetic Technologies - Sunnyvale CA
International Classification:
H05B 37/02
US Classification:
315291, 315287, 315307, 323274, 323282
Abstract:
The invention teaches a semiconductor circuit for driving an LED in which the current passing through the LED is regulated by adjusting the NMOS Rdson using a series of digital signals. The circuit maintains a high current accuracy over wide range of current changes while keeping a low voltage drop.

Usb Battery Charger

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US Patent:
20060033474, Feb 16, 2006
Filed:
Aug 11, 2004
Appl. No.:
10/916339
Inventors:
Kin Shum - Palo Alto CA, US
International Classification:
H02J 7/00
US Classification:
320128000
Abstract:
A USB battery includes a transistor that controls the flow of current between a USB host and a battery. The transistor is controlled a function of: 1) the amount of current flowing to the battery, and 2) the voltage on the USB Vcircuit. The transistor dynamically regulates the amount of trickle current to approach a predetermined maximum as closely as practical while maintaining the voltage on the VBUS circuit above a predetermined minimum.

High-Efficiency Battery Charger

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US Patent:
63007444, Oct 9, 2001
Filed:
Feb 10, 2000
Appl. No.:
9/502546
Inventors:
Kin E. Shum - Sunnyvale CA
Assignee:
Siliconix Incorporated - Santa Clara CA
International Classification:
H01M 1044
H01M 1046
US Classification:
320137
Abstract:
Where an AC adapter is used to supply power to both an electronic device such as a notebook computer and a rechargeable battery, as where the computer is turned on while the battery is being recharged, the voltage at the output terminal of the AC adapter is detected and delivered to abattery charger that is used to supply a constant current to the battery. When the current from the AC adapter exceeds its rated current, the voltage at the output terminal begins to fall. When the output voltage falls below a predetermined trigger voltage, the voltage detector instructs the battery charger to limit the current delivered to the battery, and the current is reduced until the voltage at the output of the AC adapter again reaches the trigger voltage. This arrangement provides for a maximum use of the power available from the AC adapter when the combined power demands of the electronic device and the battery exceed the power delivery capability of the AC adapter.
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Kin E Shum from Sunnyvale, CA, age ~57 Get Report