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).
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Patent number: 10735860Abstract: 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: GrantFiled: November 9, 2016Date of Patent: August 4, 2020Assignee: Creative Technology LtdInventors: Thean Kuie Christopher Chang, Kok Huan Ong
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Publication number: 20180359566Abstract: 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: ApplicationFiled: November 9, 2016Publication date: December 13, 2018Applicant: Creative Technology LtdInventors: Thean Kuie Christopher CHANG, Kok Huan ONG
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Publication number: 20170045919Abstract: 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: ApplicationFiled: October 27, 2016Publication date: February 16, 2017Applicant: Creative Technology LtdInventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
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Patent number: 9501099Abstract: 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: GrantFiled: October 19, 2012Date of Patent: November 22, 2016Assignee: Creative Technology LtdInventors: Wong Hoo Sim, Teck Chee Lee, Thean Kuie Christopher Chang
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Patent number: 9386363Abstract: 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: GrantFiled: October 22, 2012Date of Patent: July 5, 2016Assignee: Creative Technology LtdInventors: Wong Hoo Sim, Long Chye Low, Jiunn Shyong Neo, Thean Kuie Christopher Chang, Kok Huan Ong
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Patent number: 9092197Abstract: 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: GrantFiled: October 19, 2012Date of Patent: July 28, 2015Assignee: Creative Technology LtdInventors: Wong Hoo Sim, Teck Chee Lee, Thean Kuie Christopher Chang
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Patent number: 9042585Abstract: 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: GrantFiled: December 1, 2010Date of Patent: May 26, 2015Assignee: Creative Technology LtdInventors: Thean Kuie Christopher Chang, Hui Ying Alexa Phua
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Publication number: 20140341410Abstract: 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: ApplicationFiled: October 22, 2012Publication date: November 20, 2014Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo Sim, Long Chye Low, Jiunn Shyong Neo, Thean Kuie Christopher Chang, Kok Huan Ong
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Publication number: 20140086415Abstract: 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: ApplicationFiled: October 19, 2012Publication date: March 27, 2014Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
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Publication number: 20140084014Abstract: 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: ApplicationFiled: October 19, 2012Publication date: March 27, 2014Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo SIM, Teck Chee LEE, Thean Kuie Christopher CHANG
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Patent number: 8391533Abstract: 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: GrantFiled: October 20, 2008Date of Patent: March 5, 2013Assignee: Creative Technology LtdInventors: Wong Hoo Sim, Fong Lin Leong, Thean Kuie Christopher Chang, Boon Cheong Raymond Ng, Shin Huei Eric Seow
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Publication number: 20120140975Abstract: 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: ApplicationFiled: December 1, 2010Publication date: June 7, 2012Applicant: CREATIVE TECHNOLOGY LTDInventors: Thean Kuie Christopher CHANG, Hui Ying Alexa PHUA
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Patent number: 8194887Abstract: 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 amType: GrantFiled: December 23, 2008Date of Patent: June 5, 2012Assignee: Creative Technology Ltd.Inventors: Chee Sin Cheah, Huoy Ru Rachel Koh, Thean Kuie Christopher Chang, Cunsheng Vincent Dong
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Publication number: 20120082320Abstract: 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: ApplicationFiled: October 1, 2010Publication date: April 5, 2012Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo Sim, Thean Kuie Christopher Chang
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Publication number: 20120082328Abstract: 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: ApplicationFiled: October 1, 2010Publication date: April 5, 2012Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo SIM, Thean Kuie Christopher CHANG
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Patent number: 8130980Abstract: 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: GrantFiled: June 21, 2007Date of Patent: March 6, 2012Assignee: Creative Technology LtdInventors: Kok Ghay Wong, Thean Kuie Christopher Chang, Chee Sin Cheah, Huoy Ru Rachel Koh
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Publication number: 20100246878Abstract: 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: ApplicationFiled: October 20, 2008Publication date: September 30, 2010Applicant: CREATIVE TECHNOLOGY LTDInventors: Wong Hoo Sim, Fong Lin Leong, Thean Kuie Christopher Chang, Boon Cheong Raymond Ng, Shin Huei Eric Seow
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Publication number: 20100177920Abstract: 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: ApplicationFiled: February 7, 2007Publication date: July 15, 2010Applicant: Creative Technology Ltd.Inventors: Xiao Xiang Shen, Thean Kuie Christopher Chang
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Publication number: 20100158273Abstract: 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 amType: ApplicationFiled: December 23, 2008Publication date: June 24, 2010Applicant: Creative Technology LtdInventors: Chee Sin CHEAH, Huoy Ru Rachel KOH, Thean Kuie Christopher CHANG, Cunsheng Vincent DONG
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Publication number: 20080318539Abstract: 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: ApplicationFiled: June 21, 2007Publication date: December 25, 2008Applicant: CREATIVE TECHNOLOGY LTDInventors: Kok Ghay WONG, Thean Kuie Christopher CHANG, Chee Sin CHEAH, Huoy Ru Rachel KOH