Patents by Inventor Sze Chan

Sze Chan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11383192
    Abstract: An air filter and a method of air filtration using the said air filter are described. The air filter may comprise a filter media layer adapted to capture and filter one or more impurities from air. The air filter may further comprise one or more acoustic wave generating means attached at one or more sides of the filter media layer. The one or more acoustic wave generating means may generate acoustic waves to be propagated into the filter media layer. The propagation of the acoustic waves into the filter media layer may facilitate the filter media layer to enhance the filtration efficiency of the air filter. The air filter may further comprise a pre-programmed chip to control the frequency of the acoustic waves generated. Further, air filter may comprise a battery adapted to supply power to the one or more acoustic wave generating means and the pre-programmed chip.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: July 12, 2022
    Assignee: Aurabeat Holdings Limited
    Inventors: Gin Nam Sze To, Steven Nai-Kin Chan
  • Publication number: 20190129589
    Abstract: Disclosed herein are system, method, and computer program product embodiments providing a personalized interaction and navigation system. An embodiment operates by receiving, during a computing session, an indication of a first interaction with a currently accessed document stored in a computing system. It is determined that the first document is not included in the set of previously accessed documents. A new tab is added to the interface corresponding to the currently accessed document based upon the determining. The new tab is maintained on the interface for the duration of the computing session, wherein upon completion of the computing session, a determination is made whether to persist the tab beyond the computing session based on a request or to automatically remove the tab from the interface and the cache.
    Type: Application
    Filed: January 31, 2018
    Publication date: May 2, 2019
    Applicant: salesforce.com, inc.
    Inventors: Joseph Ryan, David M. Brady, Yon Aran Rhee, Mary Elizabeth Clarke, Mabel Sze Chan, Simon Taggart, Jesse Hausler, Justin Spadea, Mehak Kapur, Mike Alsup, Nithyanandniranjan Chandarraj, Peter Abelseth, Gustavo Souza, Ruchi Agarwal, Brian Donnelly
  • Patent number: 10093491
    Abstract: A pick-and-place apparatus has a rotary turret and a plurality of pick arms arranged on the rotary turret for picking up and placing electronic devices during pick and place operations. A transmission stator and a transmission rotor are mounted on the rotary turret with an air gap between the transmission stator and the transmission rotor such that the transmission rotor is rotatable relative to the transmission stator. At least one motor for actuating at least one pick arm during the pick and place operations is operatively coupled to the transmission rotor. The transmission stator and the transmission rotor are configured to transmit data signals wirelessly across the air gap for driving the at least one motor to actuate the at least one pick arm.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 9, 2018
    Assignee: ASM TECHNOLOGY SINGAPORE PTE LTD
    Inventors: Shing Wai Tam, Chak Tong Sze, Wing Sze Chan, Chuen Hong Lo, Sung Yeung
  • Publication number: 20180037421
    Abstract: A pick-and-place apparatus has a rotary turret and a plurality of pick arms arranged on the rotary turret for picking up and placing electronic devices during pick and place operations. A transmission stator and a transmission rotor are mounted on the rotary turret with an air gap between the transmission stator and the transmission rotor such that the transmission rotor is rotatable relative to the transmission stator. At least one motor for actuating at least one pick arm during the pick and place operations is operatively coupled to the transmission rotor. The transmission stator and the transmission rotor are configured to transmit data signals wirelessly across the air gap for driving the at least one motor to actuate the at least one pick arm.
    Type: Application
    Filed: July 17, 2017
    Publication date: February 8, 2018
    Inventors: Shing Wai TAM, Chak Tong SZE, Wing Sze CHAN, Chuen Hong LO, Sung YEUNG
  • Patent number: 8910775
    Abstract: A transfer apparatus has a conveying track for electronic devices in a row, two vacuum passages to create vacuum forces to hold electronic devices against the conveying track at first and second positions respectively preventing overlapping of electronic devices; and sensors arranged with respect to the conveying track, the first sensor detects presence or absence of the leading electronic device at the first position for removal of the leading electronic device from the conveying track, and the second sensor detects presence or absence of the leading electronic device at a sensor position between the first and second positions as the leading electronic device is conveyed along the conveying track from the second to the first vacuum passage.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: December 16, 2014
    Assignee: ASM Technology Singapore Pte Ltd
    Inventors: Chak Tong Sze, Pei Wei Tsai, Wing Sze Chan, Cho Hin Cheuk, Tsz Chun Chow
  • Publication number: 20140041996
    Abstract: A transfer apparatus has a conveying track for electronic devices in a row, two vacuum passages to create vacuum forces to hold electronic devices against the conveying track at first and second positions respectively preventing overlapping of electronic devices; and sensors arranged with respect to the conveying track, the first sensor detects presence or absence of the leading electronic device at the first position for removal of the leading electronic device from the conveying track, and the second sensor detects presence or absence of the leading electronic device at a sensor position between the first and second positions as the leading electronic device is conveyed along the conveying track from the second to the first vacuum passage.
    Type: Application
    Filed: August 10, 2012
    Publication date: February 13, 2014
    Inventors: Chak Tong SZE, Pei Wei TSAI, Wing Sze CHAN, Cho Hin CHEUK, Tsz Chun CHOW
  • Patent number: 8468398
    Abstract: Methods and test receiver apparatus are provided for loopback testing of a unidirectional physical layer device. The disclosed methods and test receiver apparatus allow for the phase of a sampling clock implemented at the test receiver apparatus to be aligned with the phase of a test data signal.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: June 18, 2013
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Kunlun Kenny Jiang, Nancy Ngar Sze Chan
  • Publication number: 20120192043
    Abstract: Methods and test receiver apparatus are provided for loopback testing of a unidirectional physical layer device. The disclosed methods and test receiver apparatus allow for the phase of a sampling clock implemented at the test receiver apparatus to be aligned with the phase of a test data signal.
    Type: Application
    Filed: January 20, 2011
    Publication date: July 26, 2012
    Applicant: ATI TECHNOLOGIES ULC
    Inventors: Kunlun Kenny JIANG, Nancy Ngar Sze CHAN
  • Publication number: 20070154305
    Abstract: A method for assembling a turbine nozzle assembly with respect to a combustor of a gas turbine engine is provided. The method includes coupling a radial outer retaining ring to an aft end of the combustor. A plurality of turbine nozzles is provided. Each turbine nozzle includes an inner band, a radially opposing outer band, and at least one vane extending between the inner band and the outer band. The outer band of each turbine nozzle is coupled to the outer retaining ring to define the turbine nozzle assembly. An inner retaining ring is positioned about an axis of the gas turbine engine and coupled to the inner band of each turbine nozzle.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 5, 2007
    Inventors: Brian Arness, John Greene, Sze Chan
  • Patent number: 6642800
    Abstract: A spurious-free fractional-N frequency synthesizer circuit is disclosed. The synthesizer circuit includes a multi-phase network circuit operative to provide output signals that are at least a 1/(2n+1)) fractional version of the input signal. The synthesizer circuit includes a phase lock loop (PLL) circuit, with the multi-phase network circuit being coupled to the negative feedback loop of the PLL. The multi-phase network circuit includes a smoothing circuit that removes any jitter present at the output of the PLL.
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: November 4, 2003
    Assignee: ATI Technologies, Inc.
    Inventors: Oleg Drapkin, Chak Cheung Ho, Ngar Sze Chan, Grigori Temkine, Ho Ming Wan
  • Publication number: 20030189464
    Abstract: A spurious-free fractional-N frequency synthesizer circuit is disclosed. The synthesizer circuit includes a multi-phase network circuit operative to provide output signals that are at least a 1/(2n+1)) fractional version of the input signal. The synthesizer circuit includes a phase lock loop (PLL) circuit, with the multi-phase network circuit being coupled to the negative feedback loop of the PLL. The multi-phase network circuit includes a smoothing circuit that removes any jitter present at the output of the PLL.
    Type: Application
    Filed: April 4, 2002
    Publication date: October 9, 2003
    Inventors: Oleg Drapkin, Chak Cheung Ho, Ngar Sze Chan, Grigori Temkine, Ho Ming Wan
  • Patent number: 6563485
    Abstract: A method and apparatus for providing serial transmission of a parallel input is accomplished by a parallel input serial output transmitter that includes a shift register operably coupled to receive a parallel input and to provide data serially to a gating circuit. The gating circuit, based on the state of the data it receives, generates a drive signal which causes a switching circuit to route current from first and second current sources to a third current source over different paths to produce a serial output. A bias circuit is coupled to the switching circuit to bias the serial output to a desired level.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: May 13, 2003
    Assignee: ATI Technologies, Inc.
    Inventors: Edward Chak Cheung Ho, Nancy Ngar Sze Chan, Hugh Hin-Poon Chow
  • Publication number: 20020158833
    Abstract: A method and apparatus for providing serial transmission of a parallel input is accomplished by a parallel input serial output transmitter that includes a shift register operably coupled to receive a parallel input and to provide data serially to a gating circuit. The gating circuit, based on the state of the data it receives, generates a drive signal which causes a switching circuit to route current from first and second current sources to a third current source over different paths to produce a serial output. A bias circuit is coupled to the switching circuit to bias the serial output to a desired level.
    Type: Application
    Filed: April 30, 2001
    Publication date: October 31, 2002
    Inventors: Edward Chak Cheung Ho, Nancy Ngar Sze Chan, Hugh Hin-Poon Chow
  • Patent number: 6427151
    Abstract: A method, computer program product, system, and data structure used in mapping data received from a centralized transaction processing system, such as the IMS system available from IBM, at the request of a remote application program or other client made across a communications network, such as the Internet. In one embodiment, a transaction code, a map identifier, and other information necessary for the transaction are sent to a centralized system or server. The transaction is executed on the transaction processing system and results data received therefrom. The map is then accessed in order to format the results data before returning it to the requesting client. One form of information that could be used within a map are source-destination triplets. In this instance, there is a source indicator, a destination offset into a buffer, and a length indicating how much to transfer from the indicated source into a buffer. The source indicator may be either a literal value or an offset into a results data set.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: July 30, 2002
    Assignee: International Business Machines Corporation
    Inventors: Christina Lok-sze Chan, Gerald Dean Hughes