Pak C Tang from 309 California St UNIT E, Arcadia, CA 91006, age 86

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Specialties:

Anesthesiology

Education:

University Of Edinburgh (1969)

Name / Title

Company / Classification

Phones & Addresses

Pak Tang

Champion Stamp Group, LLC
Manufacturing Urathane Stamps

1614 S Carlos Ave, Ontario, CA 91761

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Location:

Greater Los Angeles Area

Industry:

Higher Education

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Industry:

Medical Practice

Work:

Pak S Tang M.d
President

Over-Current Protection Circuit
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US Patent:

6885531, Apr 26, 2005
Filed:

Aug 20, 2001
Appl. No.:

09/933555
Inventors:

Pak Chong Tang - Knoxville TN, US
Assignee:

Koninklijke Philips Electronics N.V. - Eindhoven
International Classification:

H04N005/68
H02H003/08
US Classification:

361 931, 348380
Abstract:

An over-current protection circuit is used to prevent damage to a television receiver due to excessive beam current. The television receiver includes a high voltage generating circuit for supplying a beam current to a picture tube. The over-current protection circuit a measurement circuit for directly detecting the beam current, a comparison circuit for comparing the detected beam current with a predefined threshold level, and an output circuit coupled to a control input of the high voltage generating circuit, for generating a control signal for turning off the high voltage generating circuit.

Time Delay Control Switch For Vertical Deflection In Television Receiver
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US Patent:

55418058, Jul 30, 1996
Filed:

Mar 28, 1995
Appl. No.:

8/415219
Inventors:

Pak C. Tang - Knoxville TN
Assignee:

Philips Electronics North America Corporation - New York NY
International Classification:

H01F 1300
H01J 2970
US Classification:

361150
Abstract:

In a television receiver, to prevent interference between the magnetic field used for degaussing and the magnetic field of the vertical yoke, a switch is used for delaying turning on the vertical deflection circuit during degaussing.