Patents Assigned to Eminent Electronic Technology Corp.
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Patent number: 9569011Abstract: An optical sensor module is provided. The optical sensor module includes a light source, a first lens and a sensor device. The light source is arranged for generating a light signal. The first lens has a first optical center axis. The sensor device is disposed in correspondence with one side of the first lens. The sensor device includes a light sensitive area, and a center of the light sensitive area deviates from the first optical center axis. The sensor device is arranged for receiving a reflected signal reflected from an object in response to the light signal, and accordingly generating a sensing result.Type: GrantFiled: May 7, 2015Date of Patent: February 14, 2017Assignee: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: Hsin-Yueh Sung, Tom Chang, Kao-Pin Wu, Cheng-Ta Chuang, Wei-Te Hsu
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Patent number: 9377355Abstract: An optical sensor apparatus includes an infrared light generating device, N first detection devices, a second detection device and a processing circuit. In addition to detecting infrared light, the N first detection devices further detect N different visible wavelength ranges, respectively. The second detection device is optically shielded from visible light and arranged for detecting infrared light. In a first sensing mode, the processing circuit obtains color information according to N first detection signals generated by the N first detection devices and a reference signal generated by the second detection device. In a second sensing mode, the N first detection devices and the second detection device generate (N+1) second detection signals when the infrared light generating device is activated, and generate (N+1) third detection signals when the infrared light generating device is deactivated.Type: GrantFiled: February 18, 2014Date of Patent: June 28, 2016Assignee: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: Tom Chang, Kao-Pin Wu, Shang-Ming Hung, Chih-Jen Fang, Cheng-Ta Chuang
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Patent number: 9189081Abstract: An optical sensing apparatus includes M light emitting devices, N sensing devices, a control circuit and a processing circuit. M is a positive integer, and N is an integer greater than or equal to 3. The control circuit is arranged for controlling activation and deactivation of the M light emitting devices, and controlling each sensing device to detect a reflected signal reflected from an object when a corresponding light emitting device is activated in order to generate a sensing result corresponding to the sensing device. The N sensing devices generate N sensing results in response to the M light emitting devices. The processing circuit is arranged for calculating position information of the object according to at least the N sensing results and N sensing positions of the N sensing devices, wherein the N sensing positions define at least one geometric plane.Type: GrantFiled: December 16, 2013Date of Patent: November 17, 2015Assignee: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: Cheng-Ta Chuang, Tom Chang
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Publication number: 20140357963Abstract: A portable electronic device for providing a plurality of operation modes, emits light to an object to be sensed via a light source and senses reflected light from the object to be sensed via an optical sensor to generate a sensing signal. Based on this sensing signal, various functions can be performed, for example, remote control, proximity sensing, gesture sensing, hear rate sensing, blood oxygen saturation sensing, exhaled gas alcohol concentration sensing. The portable electronic device provided by the present invention integrate various functions therein and can measure various kinds of physiological parameters, thus is more convenient and helpful for many users.Type: ApplicationFiled: May 30, 2014Publication date: December 4, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: TOM CHANG, Kao-Pin Wu, Chih-Jen Fang, Fang-Yu Liu, Cheng-Ta Chuang, Cheng-Te Chan, De-Cheng Pan
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Patent number: 8854335Abstract: A control method of an electronic apparatus includes the following steps: detecting a touch sensing event to generate a touch detection result; detecting a non-touch sensing event to generate a non-touch detection result; and enabling the electronic apparatus to perform a specific function according to at least the touch detection result and the non-touch detection result. An electronic apparatus includes a touch detection unit, a non-touch detection unit and a control unit. The touch detection unit is arranged to detect a touch sensing event to generate a touch detection result. The non-touch detection unit is arranged to detect a non-touch sensing event to generate a non-touch detection result. The control unit is coupled to the touch detection unit and the non-touch detection unit, and is arranged to enable the electronic apparatus to perform a specific function according to at least the touch detection result and the non-touch detection result.Type: GrantFiled: March 22, 2013Date of Patent: October 7, 2014Assignee: Eminent Electronic Technology Corp. Ltd.Inventors: Tom Chang, Kao-Pin Wu, Chih-Jen Fang, Cheng-Ta Chuang
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Publication number: 20140231625Abstract: An optical sensor apparatus includes an infrared light generating device, N first detection devices, a second detection device and a processing circuit. In addition to detecting infrared light, the N first detection devices further detect N different visible wavelength ranges, respectively. The second detection device is optically shielded from visible light and arranged for detecting infrared light. In a first sensing mode, the processing circuit obtains color information according to N first detection signals generated by the N first detection devices and a reference signal generated by the second detection device. In a second sensing mode, the N first detection devices and the second detection device generate (N+1) second detection signals when the infrared light generating device is activated, and generate (N+1) third detection signals when the infrared light generating device is deactivated.Type: ApplicationFiled: February 18, 2014Publication date: August 21, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: TOM CHANG, Kao-Pin Wu, Shang-Ming Hung, Chih-Jen Fang, Cheng-Ta Chuang
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Publication number: 20140205160Abstract: An image sensing apparatus includes a substrate, a light guide plate, a plurality of photosensors and a light source. The substrate has a first side. The light guide plate has a light exit surface and a light entry surface, wherein the light exit surface faces the first side of the substrate. The photosensors are disposed on the first side of the substrate. The light source is disposed near the light entry surface of the light guide plate, wherein light generated from the light source enters the light guide plate through the light entry surface. After entering the light guide plate, the light generated from the light source is incident to the substrate through the light exit surface of the light guide plate, or travels in the light guide plate by total internal reflection.Type: ApplicationFiled: January 21, 2014Publication date: July 24, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: TOM CHANG, Kao-Pin Wu
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Publication number: 20140192160Abstract: A three-dimensional image sensing device includes a light source, a sensing module, and a signal processing module. The sensing module includes a pixel array, a control unit, and a light source driver. The light source generates flashing light with a K multiple of a frequency of flicker noise or a predetermined frequency. The pixel array samples the flashing light to generate a sampling result. The control unit executes an image processing on the sampling result to generate a spectrum. The light source driver drives the light source according to the K multiple of the frequency or the predetermined frequency. The signal processing module generates the K multiple of the frequency according to the spectrum, or outputs the predetermined frequency to the light source driver, and generates depth information according to a plurality of first images/a plurality of second images during turning-on/turning-off of the light source included in the sampling result.Type: ApplicationFiled: January 6, 2014Publication date: July 10, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: TOM CHANG, Kao-Pin Wu, Kun-Huang Tsai, Shang-Ming Hung, Cheng-Ta Chuang, Chih-Jen Fang, Tseng Kuo-Tsai
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Publication number: 20140191998Abstract: A control method of an electronic apparatus includes the following steps: generating a plurality of detection signals to a non-contact object around the electronic apparatus; receiving a plurality of reflected signals reflected from the non-contact object in response to the detection signals, and accordingly generating a plurality of detection results; performing arithmetic operations upon the detection results to calculate motion information of the non-contact object around the electronic apparatus; recognizing a non-contact gesture corresponding to the non-contact object according to the motion information; and enabling the electronic apparatus to perform a specific function according to the non-contact gesture.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: Cheng-Ta Chuang, De-Cheng Pan, Chih-Jen Fang
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Publication number: 20140168372Abstract: A sensing apparatus includes an infrared light generating device, an image sensing unit, a processing circuit and a control circuit. The image sensing unit is arranged for detecting a first infrared light signal reflected from an object to generate a first sensing signal when the infrared light generating device is activated, and detecting a second infrared light signal reflected from the object to generate a second sensing signal when the infrared light generating device is deactivated. The processing circuit is coupled to the image sensing unit, and is arranged for generating three-dimensional image information of the object according to at least the first sensing signal and the second sensing signal, wherein the three-dimensional image information includes depth information. The control circuit is arranged for control activation and deactivation of the infrared light generating device, sensing operations of the image sensing unit, and signal processing operations of the processing circuit.Type: ApplicationFiled: December 16, 2013Publication date: June 19, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: TOM CHANG, Kao-Pin Wu, Chih-Jen Fang, Shang-Ming Hung
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Publication number: 20140166853Abstract: An optical sensing apparatus includes M light emitting devices, N sensing devices, a control circuit and a processing circuit. M is a positive integer, and N is an integer greater than or equal to 3. The control circuit is arranged for controlling activation and deactivation of the M light emitting devices, and controlling each sensing device to detect a reflected signal reflected from an object when a corresponding light emitting device is activated in order to generate a sensing result corresponding to the sensing device. The N sensing devices generate N sensing results in response to the M light emitting devices. The processing circuit is arranged for calculating position information of the object according to at least the N sensing results and N sensing positions of the N sensing devices, wherein the N sensing positions define at least one geometric plane.Type: ApplicationFiled: December 16, 2013Publication date: June 19, 2014Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventors: Cheng-Ta Chuang, TOM CHANG
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Patent number: 8705015Abstract: An integrated proximity and light sensor includes a first light-emitting device, a second light-emitting device, and a light sensing circuit configured as a single package. The light sensing circuit is configured to control the first light-emitting device and the second light-emitting device to emit light therefrom. Further, the light sensing circuit is configured to detect an ambient light level and to detect a reflection of the light emitted by the first light-emitting device from a surface for proximity detection. The light sensing circuit is also configured to control the second light-emitting device to stop emitting light therefrom for one or more of the ambient light level detection and the proximity detection.Type: GrantFiled: February 27, 2012Date of Patent: April 22, 2014Assignee: Eminent Electronic Technology Corp.Inventors: Tom Chang, John Canfield
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Publication number: 20130249861Abstract: A control method of an electronic apparatus includes the following steps: detecting a touch sensing event to generate a touch detection result; detecting a non-touch sensing event to generate a non-touch detection result; and enabling the electronic apparatus to perform a specific function according to at least the touch detection result and the non-touch detection result. An electronic apparatus includes a touch detection unit, a non-touch detection unit and a control unit. The touch detection unit is arranged to detect a touch sensing event to generate a touch detection result. The non-touch detection unit is arranged to detect a non-touch sensing event to generate a non-touch detection result. The control unit is coupled to the touch detection unit and the non-touch detection unit, and is arranged to enable the electronic apparatus to perform a specific function according to at least the touch detection result and the non-touch detection result.Type: ApplicationFiled: March 22, 2013Publication date: September 26, 2013Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventor: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.
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Publication number: 20130200808Abstract: A sensor-controlled system for an electronic apparatus is provided. The electronic apparatus includes at least one light emitting unit. The at least one light emitting unit operates at an emission state and a non-emission state alternately. The sensor-controlled system includes at least one sensor unit and at least one control unit. The at least one sensor unit is arranged for sensing surrounding luminance to generate a sensing signal during a period in which the at least one light emitting unit operates at the non-emission state. The at least one control unit is coupled to the at least one sensor unit, and is arranged for controlling luminous intensity of the at least one light emitting unit according to the sensing signal.Type: ApplicationFiled: January 3, 2013Publication date: August 8, 2013Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.Inventor: EMINENT ELECTRONIC TECHNOLOGY CORP. LTD.
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Publication number: 20120153153Abstract: An integrated proximity and light sensor includes a first light-emitting device, a second light-emitting device, and a light sensing circuit configured as a single package. The light sensing circuit is configured to control the first light-emitting device and the second light-emitting device to emit light therefrom. Further, the light sensing circuit is configured to detect an ambient light level and to detect a reflection of the light emitted by the first light-emitting device from a surface for proximity detection. The light sensing circuit is also configured to control the second light-emitting device to stop emitting light therefrom for one or more of the ambient light level detection and the proximity detection.Type: ApplicationFiled: February 27, 2012Publication date: June 21, 2012Applicant: Eminent Electronic Technology Corp.Inventors: Tom Chang, John Canfield
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Patent number: 8125619Abstract: An integrated proximity and light sensor includes an indicating light-emitting device (“ILD”), a projecting light-emitting device (“PLD”), and a light sensing integrated circuit (“LSIC”) configured as a single package. The LSIC controls each of the ILD and the PLD to emit light therefrom and the LSIC is configured to detect an ambient light level and also to detect a reflection of the light projected by the PLD from a surface for proximity detection.Type: GrantFiled: July 25, 2008Date of Patent: February 28, 2012Assignee: Eminent Electronic Technology Corp.Inventors: Tom Chang, John Canfield
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Patent number: 8097851Abstract: A circuit for implementing an ambient light sensing mode and a proximity sensing mode includes a light sensor, a light source, and a controller coupled to the light sensor and the light source. The controller is configured to process outputs from the light sensor before and after the light source is energized to obtain an ambient light level output and to compare the ambient light level output with an output from the light sensor when the light source is energized to implement the proximity sensing mode.Type: GrantFiled: May 27, 2011Date of Patent: January 17, 2012Assignee: Eminent Electronic Technology Corp.Inventors: Tom Chang, Andrew Grzegorek, Chongmei Zhang
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Publication number: 20110266446Abstract: A circuit for implementing an ambient light sensing mode and a proximity sensing mode includes a light sensor, a light source, and a controller coupled to the light sensor and the light source. The controller is configured to process outputs from the light sensor before and after the light source is energized to obtain an ambient light level output and to compare the ambient light level output with an output from the light sensor when the light source is energized to implement the proximity sensing mode.Type: ApplicationFiled: May 27, 2011Publication date: November 3, 2011Applicant: EMINENT ELECTRONIC TECHNOLOGY CORP.Inventors: Tom Chang, Andrew Grzegorek, Chongmei Zhang, John Canfield
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Patent number: 7960699Abstract: A circuit for implementing an ambient light sensing mode and a proximity sensing mode includes a first light sensor that is more sensitive to light in the infrared spectrum than to light in the visible spectrum and a light source that emits light in the infrared spectrum. The circuit further includes a second light sensor that is sensitive to light in the visible spectrum and a controller coupled to the first light sensor, the light source, and the second light sensor. The controller is configured to process an ambient light level output from the first light sensor without the light source energized with an output from the first light sensor with the light source energized to implement a proximity sensing mode. Further, the controller is configured to process an output from the second light sensor to implement an ambient light sensing mode.Type: GrantFiled: October 22, 2009Date of Patent: June 14, 2011Assignee: Eminent Electronic Technology Corp.Inventors: Tom Chang, Andrew Grzegorek, Chongmei Zhang, John Canfield