Patents by Inventor Thean Kuie Christopher Chang

Thean Kuie Christopher Chang 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: 10735860
    Abstract: There is provided an apparatus which can include a plurality of speaker drivers and a control processor. The control processor can be configured to flexibly group the speaker drivers. The control processor can be further configured to perform the tasks of controlling directivity of audio output from at least one group and providing time delay to audio output from at least one speaker driver from at least one controlled group so as to generate at least one sound field associable with a dispersed profile.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 4, 2020
    Assignee: Creative Technology Ltd
    Inventors: Thean Kuie Christopher Chang, Kok Huan Ong
  • Publication number: 20180359566
    Abstract: There is provided an apparatus which can include a plurality of speaker drivers and a control processor. The control processor can be configured to flexibly group the speaker drivers. The control processor can be further configured to perform the tasks of controlling directivity of audio output from at least one group and providing time delay to audio output from at least one speaker driver from at least one controlled group so as to generate at least one sound field associable with a dispersed profile.
    Type: Application
    Filed: November 9, 2016
    Publication date: December 13, 2018
    Applicant: Creative Technology Ltd
    Inventors: Thean Kuie Christopher CHANG, Kok Huan ONG
  • Publication number: 20170045919
    Abstract: An electronic device is provided. The electronic device can include one or more protrusions and a casing. The casing can be shaped and dimensioned to carry the audio output portions. The casing can include a first face, a second face and sides. The one or more protrusions can extend from any of, or any combination of, the first face, the second face and at least one of the sides.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Applicant: Creative Technology Ltd
    Inventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
  • Patent number: 9501099
    Abstract: An electronic device is provided. The electronic device can include one or more protrusions and a casing. The casing can be shaped and dimensioned to carry the audio output portions. The casing can include a first face, a second face and sides. The one or more protrusions can extend from any of, or any combination of, the first face, the second face and at least one of the sides.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: November 22, 2016
    Assignee: Creative Technology Ltd
    Inventors: Wong Hoo Sim, Teck Chee Lee, Thean Kuie Christopher Chang
  • Patent number: 9386363
    Abstract: A speaker apparatus suitable for use with a computer operable for communicating audio signals to the speaker apparatus. The speaker apparatus includes a housing having a top portion and a body portion adjacent the top portion. The housing can be configured for carrying a coupling module and a speaker driver array. The coupling module can be configured for coupling the speaker apparatus and the computer. The speaker driver array can include a first speaker driver and a second speaker driver. The first and second speaker drivers can be arranged in a stacked arrangement. The stacked arrangement can be such that the first speaker driver can be positioned atop the second speaker and such that the first and second speaker drivers face different directions.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: July 5, 2016
    Assignee: Creative Technology Ltd
    Inventors: Wong Hoo Sim, Long Chye Low, Jiunn Shyong Neo, Thean Kuie Christopher Chang, Kok Huan Ong
  • Patent number: 9092197
    Abstract: An electronic device is provided. The electronic device can include a processing portion and one or more audio output portions. Based on any of, or any combination of, the image signals, optical signals, voice input signals, movement of the electronic device and change in orientation of the electronic device, the processing portion can be configured to do one or both of varying/controlling at least a portion of the audio characteristics of the audio input signals and varying/controlling output of audio output signals.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: July 28, 2015
    Assignee: Creative Technology Ltd
    Inventors: Wong Hoo Sim, Teck Chee Lee, Thean Kuie Christopher Chang
  • Patent number: 9042585
    Abstract: There is provided a method for optimizing performance of a multi-transducer earpiece, where the multi-transducer earpiece includes a perpendicular flange that partitions the cross sectional area of the acoustic delivery channel in a manner where mixing of signals from both the high frequency transducer and the mid/low frequency transducer is carried out in the ear canal of a user during reproduction of audio signals.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: May 26, 2015
    Assignee: Creative Technology Ltd
    Inventors: Thean Kuie Christopher Chang, Hui Ying Alexa Phua
  • Publication number: 20140341410
    Abstract: A speaker apparatus suitable for use with a computer operable for communicating audio signals to the speaker apparatus. The speaker apparatus includes a housing having a top portion and a body portion adjacent the top portion. The housing can be configured for carrying a coupling module and a speaker driver array. The coupling module can be configured for coupling the speaker apparatus and the computer. The speaker driver array can include a first speaker driver and a second speaker driver. The first and second speaker drivers can be arranged in a stacked arrangement. The stacked arrangement can be such that the first speaker driver can be positioned atop the second speaker and such that the first and second speaker drivers face different directions.
    Type: Application
    Filed: October 22, 2012
    Publication date: November 20, 2014
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo Sim, Long Chye Low, Jiunn Shyong Neo, Thean Kuie Christopher Chang, Kok Huan Ong
  • Publication number: 20140086415
    Abstract: An electronic device is provided. The electronic device can include a processing portion and one or more audio output portions. Based on any of, or any combination of, the image signals, optical signals, voice input signals, movement of the electronic device and change in orientation of the electronic device, the processing portion can be configured to do one or both of varying/controlling at least a portion of the audio characteristics of the audio input signals and varying/controlling output of audio output signals.
    Type: Application
    Filed: October 19, 2012
    Publication date: March 27, 2014
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
  • Publication number: 20140084014
    Abstract: An electronic device is provided. The electronic device can include one or more protrusions and a casing. The casing can be shaped and dimensioned to carry the audio output portions. The casing can include a first face, a second face and sides. The one or more protrusions can extend from any of, or any combination of, the first face, the second face and at least one of the sides.
    Type: Application
    Filed: October 19, 2012
    Publication date: March 27, 2014
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
  • Patent number: 8391533
    Abstract: There is provided an insert ear bud earphone with variable noise isolation. The earphone includes a housing with a serpentine channel which is able to contain at least one transducer in a main body of the housing; and a cushion which contacts a user's ear canal wall, the cushion being mounted on the serpentine channel. There is preferably at least one opening in either the housing or the cushion which causes leakage and allows ambient noise to enter the user's ear canal. There is also provided a cushion for an insert ear bud earphone. Finally, there is provided a method to enable variable noise isolation in an insert ear bud earphone comprising an inclusion of at least one opening in either a housing of the earphone or a cushion mounted on the earphone which causes leakage and allows ambient noise to enter a user's ear canal.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: March 5, 2013
    Assignee: Creative Technology Ltd
    Inventors: Wong Hoo Sim, Fong Lin Leong, Thean Kuie Christopher Chang, Boon Cheong Raymond Ng, Shin Huei Eric Seow
  • Publication number: 20120140975
    Abstract: There is provided a method for optimizing performance of a multi-transducer earpiece, where the multi-transducer earpiece includes a perpendicular flange that partitions the cross sectional area of the acoustic delivery channel in a manner where mixing of signals from both the high frequency transducer and the mid/low frequency transducer is carried out in the ear canal of a user during reproduction of audio signals.
    Type: Application
    Filed: December 1, 2010
    Publication date: June 7, 2012
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Thean Kuie Christopher CHANG, Hui Ying Alexa PHUA
  • Patent number: 8194887
    Abstract: A system and method for dynamic bass frequency control, the system comprising: a bandwidth filter coupled to a plurality of switchable electronic components for filtering a frequency range of an input signal; an amplifier coupled to the bandwidth filter and the plurality of switchable electronic components, the amplifier being configured for adjusting amplitude of the filtered frequency range of the input signal based on a configuration of the plurality of switchable electronic components; and a signal level detector coupled to the switchable electronic components for determining signal strength of the input signal, the signal level detector being configured to switch the plurality of switchable electronic components between more than one configuration based on the signal strength of the input signal, each configuration determining the frequency range of the input signal to be filtered by the bandwidth filter and the amplitude adjustment to be made to the filtered frequency range of the input signal by the am
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: June 5, 2012
    Assignee: Creative Technology Ltd.
    Inventors: Chee Sin Cheah, Huoy Ru Rachel Koh, Thean Kuie Christopher Chang, Cunsheng Vincent Dong
  • Publication number: 20120082328
    Abstract: There is provided an audio reproduction device capable of providing audio output through at least one output member and a corresponding method for using the audio reproduction device. The audio reproduction device includes a left output member for transmission of audio, the left output member being able to fit into a user's first ear; a transducer for converting input audio signals into audio output, the transducer being directly coupled to the left output member; an acoustic tube coupled to the left output member for transmission of audio from the transducer, a first end of the acoustic tube being coupled to the left output member; and a right output member for transmission of audio, the right output member being able to fit into the user's second ear, a second end of the acoustic tube being coupled to the right output member.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 5, 2012
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo SIM, Thean Kuie Christopher CHANG
  • Publication number: 20120082320
    Abstract: There is provided a wireless headset for enabling communications via a communications apparatus. The headset includes a casing for containing components of the wireless headset; a controller located within the casing, the controller being for controlling operations of the wireless headset; a wireless transceiver located within the casing, coupled to the controller for both receiving and transmitting audio data; an audio driver located within the casing, the audio driver being coupled to the controller for output of the received audio data; a first acoustic channel coupled to the audio driver at a first end, the first acoustic channel allowing transmission of output from the audio driver; and a first ear bud piece coupled to a second end of the first acoustic channel, the first ear bud piece being able to be mounted onto a user-facing surface of the casing.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 5, 2012
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo Sim, Thean Kuie Christopher Chang
  • Patent number: 8130980
    Abstract: There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless connection. The circuit includes an output signal regulator receiving a first portion of the at least one audio signal input, with the regulator being able to vary an amplitude of the first portion of the at least one audio signal input when a control signal from a circuit controller is received. The circuit controller may be powered by a DC generator; with the DC generator receiving a second portion of the at least one audio signal input. A signal from the output signal regulator may be passed through an acoustic generator. It is preferable that the first portion of the at least one audio signal input is substantially more than the second portion. It is also preferable that the output signal regulator varies the amplitude of the at least one audio signal input by reducing the amplitude. A corresponding method of volume control is also disclosed.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: March 6, 2012
    Assignee: Creative Technology Ltd
    Inventors: Kok Ghay Wong, Thean Kuie Christopher Chang, Chee Sin Cheah, Huoy Ru Rachel Koh
  • Publication number: 20100246878
    Abstract: There is provided an insert ear bud earphone with variable noise isolation. The earphone includes a housing with a serpentine channel which is able to contain at least one transducer in a main body of the housing; and a cushion which contacts a user's ear canal wall, the cushion being mounted on the serpentine channel. There is preferably at least one opening in either the housing or the cushion which causes leakage and allows ambient noise to enter the user's ear canal. There is also provided a cushion for an insert ear bud earphone. Finally, there is provided a method to enable variable noise isolation in an insert ear bud earphone comprising an inclusion of at least one opening in either a housing of the earphone or a cushion mounted on the earphone which causes leakage and allows ambient noise to enter a user's ear canal.
    Type: Application
    Filed: October 20, 2008
    Publication date: September 30, 2010
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Wong Hoo Sim, Fong Lin Leong, Thean Kuie Christopher Chang, Boon Cheong Raymond Ng, Shin Huei Eric Seow
  • Publication number: 20100177920
    Abstract: There is provided multiple embodiments of a micro-speaker that reproduces audio signals at a low resonant frequency, which correspondingly allows for low frequency reproduction of audio signals by the micro-speaker. The various embodiments of the micro-speaker may enable usage of spiders with larger areas such that mechanical compliance of the spider is increased.
    Type: Application
    Filed: February 7, 2007
    Publication date: July 15, 2010
    Applicant: Creative Technology Ltd.
    Inventors: Xiao Xiang Shen, Thean Kuie Christopher Chang
  • Publication number: 20100158273
    Abstract: A system and method for dynamic bass frequency control, the system comprising: a bandwidth filter coupled to a plurality of switchable electronic components for filtering a frequency range of an input signal; an amplifier coupled to the bandwidth filter and the plurality of switchable electronic components, the amplifier being configured for adjusting amplitude of the filtered frequency range of the input signal based on a configuration of the plurality of switchable electronic components; and a signal level detector coupled to the switchable electronic components for determining signal strength of the input signal, the signal level detector being configured to switch the plurality of switchable electronic components between more than one configuration based on the signal strength of the input signal, each configuration determining the frequency range of the input signal to be filtered by the bandwidth filter and the amplitude adjustment to be made to the filtered frequency range of the input signal by the am
    Type: Application
    Filed: December 23, 2008
    Publication date: June 24, 2010
    Applicant: Creative Technology Ltd
    Inventors: Chee Sin CHEAH, Huoy Ru Rachel KOH, Thean Kuie Christopher CHANG, Cunsheng Vincent DONG
  • Publication number: 20080318539
    Abstract: There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless connection. The circuit includes an output signal regulator receiving a first portion of the at least one audio signal input, with the regulator being able to vary an amplitude of the first portion of the at least one audio signal input when a control signal from a circuit controller is received. The circuit controller may be powered by a DC generator; with the DC generator receiving a second portion of the at least one audio signal input. A signal from the output signal regulator may be passed through an acoustic generator. It is preferable that the first portion of the at least one audio signal input is substantially more than the second portion. It is also preferable that the output signal regulator varies the amplitude of the at least one audio signal input by reducing the amplitude. A corresponding method of volume control is also disclosed.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 25, 2008
    Applicant: CREATIVE TECHNOLOGY LTD
    Inventors: Kok Ghay WONG, Thean Kuie Christopher CHANG, Chee Sin CHEAH, Huoy Ru Rachel KOH