Steve Y Chen

US Patent:

6357023, Mar 12, 2002

Filed:

Oct 30, 2000

Appl. No.:

09/702017

Inventors:

Ramon S. Co - Trabuco Canyon CA
Steve Si-Yu Chen - San Jose CA
Fred Yen Kong - Irvine CA
Thang Nguyen - Santa Ana CA

Assignee:

Kingston Technology Co. - Fountain Valley CA

International Classification:

H02H 305

US Classification:

714 42, 714718

Abstract:

Memory modules are tested using a test assembly with a personal computer (PC) motherboard. The motherboard is mounted upside-down with its solder-side up to a metal plate using standoffs. A memory-module socket on the motherboard is removed. An opening is made in the metal plate above the removed socket. A well is attached to the metal plate at the opening. The well supports a test adaptor board below the metal plate so that the test adaptor board has a closer spacing to the motherboard than does the metal plate. The test adaptor board has a test socket that receives a module being tested. Pins from the test adaptor board are plugged into the holes of the removed socket on the motherboard, but mounted on the reverse, solder side of the motherboard rather than the component side. The cables, components, and expansion boards of the motherboards are hidden below the metal plate and motherboard, and can be cooled without cooling the memory module in the test socket. A top plate or air guide can be added above the metal plate to blow hot air on the memory module being tested in the test socket, while the cooling air is blown on the motherboard.

US Patent:

6415397, Jul 2, 2002

Filed:

Sep 13, 2000

Appl. No.:

09/660714

Inventors:

Ramon S. Co - Trabuco Canyon CA
Steve Si-Yu Chen - San Jose CA
Fred Yen Kong - Irvine CA
Thang Nguyen - Santa Ana CA

Assignee:

Kingston Technology Company - Fountain Valley CA

International Classification:

H02H 305

US Classification:

714 42, 714718

Abstract:

A test station for testing memory modules uses multiple personal computer (PC) motherboards for performing functional tests on the modules. The motherboards are mounted upside-down with the solder-side up at the desktop level of the test station frame. One or more of the memory-module sockets on each motherboard is removed. A test adaptor board is plugged into the holes of the removed socket, but mounted on the reverse, solder side of the motherboard rather than the component side. The test adaptor board has a test socket that receives a module being tested. An overhead robotic arm picks up memory modules from an input tray and inserts them into test sockets for testing by the motherboards. Since the cables, components, and expansion boards of the motherboards are hidden below the solder-side surface of the motherboards, while the test adaptor board is above, the overhead robotic arm can easily navigate to the test socket without obstruction. Modules that pass are inspected in transit when the robotic arm holds the module in front of a camera that sends images to an image inspection processor.

US Patent:

55271553, Jun 18, 1996

Filed:

Nov 1, 1993

Appl. No.:

8/146831

Inventors:

Steve P. Chen - Chandler AZ
John E. Schibler - Fountain Hills AZ
Ramesh J. Patel - Mesa AZ

Assignee:

McDonnell Douglas Corp. - Long Beach CA

International Classification:

F01D 514

US Classification:

41622600

Abstract:

A variable pitch fan for a helicopter equipped with a NOTAR. TM. mechanical antitorque directional control system comprises a plurality of blade assemblies. Each blade assembly includes a blade portion, which is molded from a blended material which includes fiber reinforced polypropylene. A key to the invention is the use of long fibers, having a length of at least approximately one-half inch, for reinforcement, the long fibers providing for about twice the pull-out strength of short or chopped fibers. Another key aspect of the invention is the use of a blowing agent in the blended material, which serves to reduce weight and warpage by creating a foamed structure having a variable density, the structure retaining considerable strength because of the fiber reinforcement. The blade portion is molded about a spar which has holes therethrough, the holes providing a mechanical interlock between the blade and the spar.

US Patent:

56913915, Nov 25, 1997

Filed:

Dec 5, 1994

Appl. No.:

8/349378

Inventors:

Steve P. Chen - Chandler AZ
John E. Schibler - Fountain Hills AZ
Ramesh J. Patel - Mesa AZ

Assignee:

McDonnell Douglas Helicopter - Meza AZ

International Classification:

C08J 508

US Classification:

521 99

Abstract:

A variable pitch fan for a helicopter equipped with a NOTAR. RTM. mechanical antitorque directional control system comprises a plurality of blade assemblies. Each blade assembly includes a blade portion, which is molded from a blended material which includes fiber reinforced polypropylene. A key to the invention is the use of long fibers, having a length of at least approximately one-half inch, for reinforcement, the long fibers providing for about twice the pull-out strength of short or chopped fibers. Another key aspect of the invention is the use of a blowing agent in the blended material, which serves to reduce weight and warpage by creating a foamed structure having a variable density, the structure retaining considerable strength because of the fiber reinforcement. The blade portion is molded about a spar which has holes therethrough, the holes providing a mechanical interlock between the blade and the spar.

US Patent:

20210332430, Oct 28, 2021

Filed:

Jul 12, 2021

Appl. No.:

17/373655

Inventors:

- San Diego CA, US
Molly HE - San Diego CA, US
Michael PREVITE - San Diego CA, US
Steve Xiangling CHEN - San Diego CA, US
Minghao GUO - San Diego CA, US
Chunhong ZHOU - San Diego CA, US
Derek FULLER - San Diego CA, US

International Classification:

C12Q 1/6869
G01N 21/64
G01N 15/14

Abstract:

Fluorescence imaging system designs are described that provide larger fields-of-view, increased spatial resolution, improved modulation transfer and image quality, higher spatial sampling frequency, faster transitions between image capture when repositioning the sample plane to capture a series of images (e.g., of different fields-of-view), and improved imaging system duty cycle, and thus enable higher throughput image acquisition and analysis for genomics and other imaging applications.

US Patent:

20210318294, Oct 14, 2021

Filed:

Jun 24, 2021

Appl. No.:

17/356929

Inventors:

- San Diego CA, US
Molly Min HE - San Diego CA, US
Junhua ZHAO - San Diego CA, US
Hui Zhen MAH - San Diego CA, US
Chunhong ZHOU - San Diego CA, US
Sinan ARSLAN - San Diego CA, US
Matthew KELLINGER - San Diego CA, US
Lorenzo BERTI - San Diego CA, US
Steve Xiangling CHEN - San Diego CA, US

International Classification:

G01N 33/53
G01N 33/58
C12Q 1/6874

Abstract:

Multivalent binding compositions including a particle-nucleotide conjugate having a plurality of copies of a nucleotide attached to the particle are described. The multivalent binding compositions allow one to localize detectable signals to active regions of biochemical interaction, e.g., sites of protein-protein interaction, protein-nucleic acid interaction, nucleic acid hybridization, or enzymatic reaction, and can be used to identify sites of base incorporation in elongating nucleic acid chains during polymerase reactions and to provide improved base discrimination for sequencing and array based applications.

US Patent:

20210123098, Apr 29, 2021

Filed:

Jan 8, 2021

Appl. No.:

17/144945

Inventors:

- San Diego CA, US
Molly HE - San Diego CA, US
Junhua ZHAO - San Diego CA, US
Hui Zhen MAH - San Diego CA, US
Chunhong ZHOU - San Diego CA, US
Sinan ARSLAN - San Diego CA, US
Matthew KELLINGER - San Diego CA, US
Lorenzo BERTI - San Diego CA, US
Steve CHEN - San Diego CA, US

International Classification:

C12Q 1/6869
C12Q 1/6841

Abstract:

Provided are methods and systems for analyzing nucleic acids in a biological sample in a manner that retains the spatial and/or cellular origin of the nucleic acids within the biological sample. Compositions and kits are also provided that enable the methods and systems of the instant disclosure.

US Patent:

20200367744, Nov 26, 2020

Filed:

May 18, 2020

Appl. No.:

16/876960

Inventors:

- Fribourg, CH
Muhammad K. Al-Qaisi - Ladera Ranch CA, US
Richard J. Michaels - Irvine CA, US
Steve X. Chen - San Diego CA, US

International Classification:

A61B 3/10
G01B 9/02
G02B 13/22
G02B 13/06
G02B 27/10
G02B 15/15

Abstract:

Systems and methods are disclosed for performing ophthalmic optical coherence tomography with multiple resolutions. In some embodiments, a system comprises a light source, an output lens, and a set of optical components between the light source and the output lens, the set of optical components comprising an afocal zoom telescope. The set of optical components is adapted to provide imaging both at a first field of view with a first resolution and at a second field of view with a second resolution, wherein the first field of view is wider than the second field of view and the second resolution is higher than the first resolution. A method of performing ophthalmic optical coherence tomography with multiple resolutions may be performed using one or more of the systems described herein.