Patents by Inventor Chor-Tin Ma
Chor-Tin Ma 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: 11653846Abstract: A device comprising a piece of planar substrate embedded with two sensors and two emitters. The substrate has a generally planar surface for application onto the wearer's body part. The emitters and sensors are shown to be arranged in such a way that no subset of any two emitters and one sensor, or subset of any two emitters and one sensor, forms a straight line, which prevents the two sensors from detecting the same noise caused by the same wearer movements.Type: GrantFiled: June 30, 2020Date of Patent: May 23, 2023Assignee: WELL BEING DIGITAL LIMITEDInventors: Ming Yip Wallace Wong, Chor Tin Ma
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Publication number: 20200329985Abstract: A device comprising a piece of planar substrate embedded with two sensors and two emitters. The substrate has a generally planar surface for application onto the wearer's body part. The emitters and sensors are shown to be arranged in such a way that no subset of any two emitters and one sensor, or subset of any two emitters and one sensor, forms a straight line, which prevents the two sensors from detecting the same noise caused by the same wearer movements.Type: ApplicationFiled: June 30, 2020Publication date: October 22, 2020Inventors: Ming Yip Wallace Wong, Chor Tin Ma
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Publication number: 20190298196Abstract: A device for monitoring heart rate or blood oxygen level during exercise is disclosed having sensors (106) and emitters (104), wherein the sensors (106) are used to monitor transmission from each of the emitters (104) in turn. This provides a possibility that a smaller device can be provided since less sensors and emitters can be used while obtaining more number of observations. In some embodiments the repeated use of sensors with different emitters introduces redundancy into the device so that the device is more robust and may function even in the event that one or two of the emitters and sensors have broken down.Type: ApplicationFiled: April 22, 2019Publication date: October 3, 2019Inventors: Ming Yip Wallace Wong, Chor Tin Ma
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Publication number: 20190282105Abstract: A method, and a related device, for obtaining the blood pressure of a person. The method comprising steps of providing a light source (101), and an optical sensor (103) configured to detect light from the light source which has propagated through the wrist of a wearer of the device. The amount of light propagating through the wrist depends on the amount of blood in the wrist. Blood pressure is then observed by monitoring the difference in the amplitude of blood pulsation within the wrist when the wrist is lifted above heart level, and when the wrist is lowered below heart level.Type: ApplicationFiled: April 19, 2017Publication date: September 19, 2019Applicant: Well Being Digital LimitedInventors: Ming Yip Wallace Wong, Chor Tin Ma
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Publication number: 20190269337Abstract: A method of managing an exercise routine of a person, involves providing at least one earbud, the at least one earbud capable of playing an audio file to the person wearing the at least one earbud, the at least one earbud comprising sensors for monitoring physiological data of the person, and based on the physiological data of the person, the at least one earbud providing audio feedback of target exercise parameters, rates, or both target exercise parameters and rates, to help the person optimize physical activity of the person. An apparatus includes a signal processor connected to the at least one earbud, wherein said apparatus is configured to perform the method.Type: ApplicationFiled: April 23, 2019Publication date: September 5, 2019Inventors: Chor Tin Ma, Kai Chan, Ming Yip Wong, Kai Yeung, Fo Chau
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Publication number: 20190209023Abstract: An exercise device includes an ear piece insertable within the ear canal along an ear canal axis, a plurality of light emitters located about a periphery of the ear piece and spaced apart at 120° intervals for emitting light signals perpendicular to the ear canal axis into different areas of tissue surrounding the ear canal, a plurality of light detectors located about the periphery of the ear piece for detecting reflected light signals from the different areas of tissue surrounding the ear canal, an audio speaker, an audio player for sending audio signals to the audio speaker, and a vital sign monitor for determining at least one of heart rate, blood oxygen level, and body temperature from signals of the emitters and detectors.Type: ApplicationFiled: March 18, 2019Publication date: July 11, 2019Inventors: Chor Tin MA, Kai Kin CHAN, Ming Yip WONG, Kai Wai YEUNG, Fo CHAU
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Patent number: 10314499Abstract: A device for monitoring heart rate or blood oxygen level during exercise is disclosed having sensors and emitters, wherein the sensors are used to monitor transmission from each of the emitters in turn. This provides a possibility that a smaller device can be provided since less sensors and emitters can be used while obtaining more number of observations. In some embodiments, the repeated use of sensors with different emitters introduces redundancy into the device so that the device is more robust and may function even in the event that one or two of the emitters and sensors have broken down.Type: GrantFiled: July 22, 2014Date of Patent: June 11, 2019Assignee: WELL BEING DIGITAL LIMITEDInventors: Ming Yip Wallace Wong, Chor Tin Ma
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Patent number: 9924259Abstract: An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.Type: GrantFiled: May 26, 2016Date of Patent: March 20, 2018Assignee: Well Being Digital LimitedInventors: Guoqiang Liao, Ming Yip Wong, Chor Tin Ma
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Patent number: 9801554Abstract: A noninvasive light sensor for detecting heart beat signals has a circular support member engageable circumferentially with a body part of a person. There are a plurality of light emitters and light detectors located around a circumference of the circular support member for respectively emitting light signals into different areas of tissue surrounding the body part, and receiving reflected light signals from the different areas of tissue surrounding the body part.Type: GrantFiled: January 28, 2015Date of Patent: October 31, 2017Assignee: Well Being Digital LimitedInventors: Chor Tin Ma, Kai Kin Chan, Ming Yip Wong, Kai Wai Yeung, Fo Chau
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Publication number: 20170111490Abstract: A method for transmitting data signal from a sending-end 100 to a receiving-end 200, comprising the steps of spreading the data signal into a spread spectrum signal, combining the spread signal with an analogue signal into a mixed signal. The mixed signal can be transmitted or broadcasted to the receiving-end 200. The receiving-end is able to play or use the analogue signal without significant noise from the spread spectrum signal. The spread spectrum signal can be retrieved by inverse-spread-processing the spread spectrum signal to retrieve the data signal. The sending-end can be in a headphone 900 and the receiving-end can be in a mobile phone 910, or the sending-end can be a loudspeaker broadcasting the analogue signal to a mobile phone picking up the analogue signal by the microphone in the mobile phone.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventors: Chor Tin Ma, Ming Yip Wallace Wong
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Publication number: 20170105639Abstract: A noninvasive light sensor for detecting heart beat signals has a circular support member engageable circumferentially with a body part of a person. There are a plurality of light emitters and light detectors located around a circumference of the circular support member for respectively emitting light signals into different areas of tissue surrounding the body part, and receiving reflected light signals from the different areas of tissue surrounding the body part.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventors: Chor Tin MA, Kai Kin CHAN, Ming Yip WONG, Kai Wai YEUNG, Fo CHAU
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Publication number: 20160269815Abstract: An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.Type: ApplicationFiled: May 26, 2016Publication date: September 15, 2016Inventors: Guoqiang LIAO, Ming Yip WONG, Chor Tin MA
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Publication number: 20160249839Abstract: A device for monitoring heart rate or blood oxygen level during exercise is disclosed having sensors and emitters, wherein the sensors are used to monitor transmission from each of the emitters in turn. This provides a possibility, that a smaller device can be provided since less sensors and emitters can be used while obtaining more number of observations. In some embodiments, the repeated use of sensors with different emitters introduces redundancy into the device so that the device is more robust and may function even in the event that one or two of the emitters and sensors have broken down.Type: ApplicationFiled: July 22, 2014Publication date: September 1, 2016Inventors: Ming Yip Wallace WONG, Chor Tin MA
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Publication number: 20160205462Abstract: A method for transmitting a data signal from a sending-end 100 to a receiving-end 200 includes the steps of spreading the data signal into a spread spectrum signal, combining the spread signal with an analogue signal into a mixed signal. The mixed signal can be transmitted or broadcasted to the receiving-end 200. The receiving-end is able to play or use the analogue signal without significant noise from the spread spectrum signal. The spread spectrum signal can be retrieved by inverse-spread-processing the spread spectrum signal to retrieve the data signal. The sending-end can be in a headphone 900 and the receiving-end can be in a mobile phone 910, or the sending-end can be a loudspeaker broadcasting the analogue signal to a mobile phone picking up the analogue signal by the microphone in the mobile phone.Type: ApplicationFiled: January 14, 2015Publication date: July 14, 2016Inventors: Chor Tin MA, Ming Yip Wallace WONG
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Patent number: 9392351Abstract: An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.Type: GrantFiled: November 16, 2009Date of Patent: July 12, 2016Assignee: Well Being Digital LimitedInventors: Guoqiang Liao, Ming Yip Wong, Chor Tin Ma
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Publication number: 20150182135Abstract: A noninvasive light sensor for detecting heart beat signals has a circular support member engageable circumferentially with a body part of a person. There are a plurality of light emitters and light detectors located around a circumference of the circular support member for respectively emitting light signals into different areas of tissue surrounding the body part, and receiving reflected light signals from the different areas of tissue surrounding the body part.Type: ApplicationFiled: January 28, 2015Publication date: July 2, 2015Inventors: Chor Tin MA, Kai Kin CHAN, Ming Yip WONG, Kai Wai YEUNG, Fo CHAU
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Patent number: 8979762Abstract: A noninvasive light sensor for detecting heart beat signals has a circular support member engageable circumferentially with a body part of a person. Light emitters and light detectors are located around a circumference of the circular support member for respectively emitting light signals into different areas of tissue surrounding the body part, and detecting reflected light signals from the different areas of tissue surrounding the body part.Type: GrantFiled: August 21, 2008Date of Patent: March 17, 2015Assignee: Well Being Digital LimitedInventors: Chor Tin Ma, Kai Kin Chan, Ming Yip Wong, Kai Wai Yeung, Fo Chau
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Publication number: 20120116231Abstract: An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.Type: ApplicationFiled: November 16, 2009Publication date: May 10, 2012Applicant: Perception Digital LimitedInventors: Guoqiang Liao, Ming Yip Wong, Chor Tin Ma
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Patent number: 8117888Abstract: A method and apparatus for calibrating or adjusting an accelerometer, wherein the accelerometer is held stationary to obtain the signal outputs from the accelerometer, representing component vectors making up the composite vector of 1 g. Thus, gain or sensitivity, and the zero-g signal offset along for each axis of the accelerometer is determined and adjustable.Type: GrantFiled: August 28, 2009Date of Patent: February 21, 2012Assignee: Perception Digital LimitedInventors: Kai Kin Chan, Chor Tin Ma
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Patent number: 7930135Abstract: A person's exercise monitored using an accelerometer to detect and count the steps of the person. Furthermore, acceleration profiling distinguishes walking from running and total distance covered in the exercise is estimated using different stride lengths for walking and running. The person's pace may be maintained using a music playback unit with an adjustable rate of playback to influence the pace of the person with the music tempo.Type: GrantFiled: December 23, 2008Date of Patent: April 19, 2011Assignee: Perception Digital LimitedInventors: Chor-Tin Ma, Kai-Kin Chan