Patents by Inventor Yi-Chuan Chen
Yi-Chuan Chen 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: 9628686Abstract: An image surveillance device includes a casing, a heat dissipating cover, a partition, a lens module, and a light emitting module. The heat dissipating cover covers the casing and has a heat conduction sheet extending inward into the casing. The partition is disposed in the casing to divide an inner space of the casing into an upper space and a lower space. The lens module is disposed in the lower space for capturing images. The light emitting module is disposed on the heat conduction sheet and located in the upper space for emitting light out of the casing when the lens module captures the images. Heat generated by the light emitting module is conducted to the heat dissipating cover via the heat conduction sheet.Type: GrantFiled: March 9, 2016Date of Patent: April 18, 2017Assignee: VIVOTEK INC.Inventors: Li-Shan Shih, Chih-Chung Wang, Yi-Chuan Chen, Wen-Yuan Li
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Publication number: 20170094170Abstract: A network camera system includes a network camera and an illumination device. The illumination device is connected to the network camera. The illumination device includes an illumination unit and a processing unit. The illumination unit is used for providing illumination light to the network camera. The processing unit is connected to the illumination unit for detecting a practical operation power of the network camera, calculating a maximum illumination power according to an electrical power received by the illumination device and the practical operation power, and transmitting the practical operation power and the maximum illumination power to the network camera and the illumination unit respectively.Type: ApplicationFiled: August 15, 2016Publication date: March 30, 2017Inventors: Li-Shan Shih, Yi-Chuan Chen, Wen-Yuan Li
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Publication number: 20160345400Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.Type: ApplicationFiled: August 2, 2016Publication date: November 24, 2016Applicant: VIVOTEK INC.Inventors: Li-Shan SHIH, Yi-Chuan CHEN, Chih-Hung CHANG, Wen-Yuan LI
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Publication number: 20160301839Abstract: An image surveillance device includes a casing, a heat dissipating cover, a partition, a lens module, and a light emitting module. The heat dissipating cover covers the casing and has a heat conduction sheet extending inward into the casing. The partition is disposed in the casing to divide an inner space of the casing into an upper space and a lower space. The lens module is disposed in the lower space for capturing images. The light emitting module is disposed on the heat conduction sheet and located in the upper space for emitting light out of the casing when the lens module captures the images. Heat generated by the light emitting module is conducted to the heat dissipating cover via the heat conduction sheet.Type: ApplicationFiled: March 9, 2016Publication date: October 13, 2016Inventors: Li-Shan Shih, Chih-Chung Wang, Yi-Chuan Chen, Wen-Yuan Li
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Patent number: 9439261Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.Type: GrantFiled: September 9, 2014Date of Patent: September 6, 2016Assignee: VIVOTEK INC.Inventors: Li-Shan Shih, Yi-Chuan Chen, Chih-Hung Chang, Wen-Yuan Li
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Publication number: 20160182824Abstract: A camera controlling method is applied to a camera device. The camera device includes a plurality of image capturing modules and a plurality of light sources. Each light source is disposed at a position corresponding to at least one image capturing module. The plurality of image capturing modules is disposed adjacent to each other for capturing images. The camera controlling method includes receiving the image captured by each image capturing module sequentially according to a receiving sequence and turning on the light source corresponding to the next image capturing module when receiving the image captured by each image capturing module.Type: ApplicationFiled: December 17, 2015Publication date: June 23, 2016Inventors: Yi-Chuan Chen, Wen-Yuan Li, Yi-Chih Chiu, Yi-Hsin Yeh
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Patent number: 9354250Abstract: A nanoscale probe structure, including: a first probe having a tip top end and a second probe having a planar top end, wherein a metallic layer coats the on the tip top end, an insulating layer coats around the tip top end of the first probe; and a metallic layer coats on the planar top end, an insulating layer coats around the planar top end of the second probe. The structure of present invention can applied in atomic force microscopy to measure the electricity physiology signal inside and outside the cell membrane, which can limit the measure region to specific little area for the measure of electricity physiology signal and effectively decrease the miscellaneous noise disturbance from other region.Type: GrantFiled: March 27, 2015Date of Patent: May 31, 2016Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Fan-Gang Tseng, Yi-Chuan Chen
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Publication number: 20160139177Abstract: A nanoscale probe structure, including: a first probe having a tip top end and a second probe having a planar top end, wherein a metallic layer coats the on the tip top end, an insulating layer coats around the tip top end of the first probe; and a metallic layer coats on the planar top end, an insulating layer coats around the planar top end of the second probe. The structure of present invention can applied in atomic force microscopy to measure the electricity physiology signal inside and outside the cell membrane, which can limit the measure region to specific little area for the measure of electricity physiology signal and effectively decrease the miscellaneous noise disturbance from other region.Type: ApplicationFiled: March 27, 2015Publication date: May 19, 2016Inventors: Fan-Gang Tseng, Yi-Chuan Chen
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Publication number: 20150300978Abstract: The present invention is related to a membrane electrochemical signal detection system, which comprises a detection platform and a probe, wherein the detection platform comprises a substrate having a cavity; a hydrogel layer disposed in the cavity of the substrate; and a carrier film disposed above the substrate and the hydrogel layer with at least one through hole corresponding to the cavity of the substrate as a sample slot. The surface of the probe is covered by an insulating layer and a metal for detection is exposed at a tip portion of the probe.Type: ApplicationFiled: April 20, 2015Publication date: October 22, 2015Inventors: Fan-Gang TSENG, Yi Chuan CHEN
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Publication number: 20150192270Abstract: An illumination device includes a light source and a reflective cup. The light source is for emitting a first beam and a second beam. A light intensity of the first beam is greater than a light intensity of the second beam. The reflective cup has a plurality of reflecting curved surfaces and a through hole formed by the plurality of reflecting curved surfaces. Each reflecting curved surface has a first reflective section and a second reflective section. A slope of the first reflective section is different from a slope of the second reflective section. The first beam is reflected to an off-axis region by the first reflective section. The second beam is reflected to a paraxial region by the second reflective section, such that a light intensity in the off-axis region is greater than a light intensity in the paraxial region.Type: ApplicationFiled: December 31, 2014Publication date: July 9, 2015Inventors: Wen-Yuan LI, Li-Shan SHIH, Yi-Chuan CHEN, Chih-Hung CHANG
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Publication number: 20150172824Abstract: A wearable communication device includes an annular shell, a processing module, a first piezoelectric unit, and a driving unit. A cavity is formed at a part of the annular shell. The processing module processes communication data. The first piezoelectric unit is disposed in the cavity. The driving unit is used to receive the communication data and drive the first piezoelectric unit according to the communication data to make the first piezoelectric unit vibrate and trigger a corresponding audio signal. The wearable communication device can be wirelessly connected to an electronic device without physical wires to improve the convenience greatly.Type: ApplicationFiled: December 12, 2014Publication date: June 18, 2015Inventors: Lai-Shi HUANG, Yi-Chuan CHEN, Hsin-Yu LU
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Publication number: 20150069917Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.Type: ApplicationFiled: September 9, 2014Publication date: March 12, 2015Inventors: Li-Shan SHIH, Yi-Chuan CHEN, Chih-Hung CHANG, Wen-Yuan LI
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Patent number: 8958578Abstract: A throat vibration audio wireless transmission apparatus comprises a body, a throat vibration detection module and a wireless transmission module. The body includes a cap, a flexible base and a deformation holding member. The cap has multiple cover portions and at least one elastic bending portion bridging two neighboring cover portions. The deformation holding member can be pushed by forces to form an arched shape and drive the flexible base and cap to bend to allow the elastic bending portion to extend towards the cover portions at two sides thereof. The throat vibration detector detects a vibration wave and converts to an electric signal. The control circuit board receives the electric signal and converts to an audio signal which is then transmitted by the wireless transmission module. The apparatus can be adjusted according to a user's neck and attached thereon closely to receive sound without being interfered by environment.Type: GrantFiled: July 2, 2013Date of Patent: February 17, 2015Inventor: Yi Chuan Chen
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Publication number: 20150010172Abstract: A throat vibration audio wireless transmission apparatus comprises a body, a throat vibration detection module and a wireless transmission module. The body includes a cap, a flexible base and a deformation holding member. The cap has multiple cover portions and at least one elastic bending portion bridging two neighboring cover portions. The deformation holding member can be pushed by forces to form an arched shape and drive the flexible base and cap to bend to allow the elastic bending portion to extend towards the cover portions at two sides thereof. The throat vibration detector detects a vibration wave and converts to an electric signal. The control circuit board receives the electric signal and converts to an audio signal which is then transmitted by the wireless transmission module. The apparatus can be adjusted according to a user's neck and attached thereon closely to receive sound without being interfered by environment.Type: ApplicationFiled: July 2, 2013Publication date: January 8, 2015Inventor: Yi Chuan Chen
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Patent number: 8796947Abstract: A light source driving device includes a light source unit, a driving unit, a voltage converting unit, a detecting unit, and a feed-back control unit. The driving unit is used to receive an input signal, and convert the input signal to a driving signal for output according to an enable signal and a feed-back signal. The voltage converting unit is used to convert the driving signal to a driving voltage, so as to output the driving voltage to a first end of the light source unit. The detecting unit is coupled to a second end of the light source unit, and used to detect an output current of the light source unit, so as to generate a detecting voltage. The feed-back control unit generates the feed-back signal according to the detecting voltage and a pulse width modulation signal.Type: GrantFiled: December 27, 2011Date of Patent: August 5, 2014Assignee: Vivotek Inc.Inventor: Yi-Chuan Chen
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Patent number: 8761326Abstract: A compensating device for detecting and compensating for a sampling clock offset in a receiver. An SCO detector includes multiple calculation paths and a controller. Each calculation path receives a time domain signal and a hypothetic offset, calculates correlation coefficients between the time domain signal and a delayed version of the time domain signal according to a predetermined delay and the hypothetic offset, calculates correlation coefficient sums according to the correlation coefficients, and extracts a maximum correlation coefficient sum for the hypothetic offset from the correlation coefficient sums. The controller is coupled to the calculation paths for providing different hypothetic offsets to each calculation path and detects the SCO according to the maximum correlation coefficient sums obtained from the calculation paths. An SCO compensator receives the SCO and compensating for the SCO on a signal generated in a signal processing path of a receiver.Type: GrantFiled: August 29, 2011Date of Patent: June 24, 2014Assignee: Mediatek Inc.Inventor: Yi-Chuan Chen
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Publication number: 20130099680Abstract: A light source driving device includes a light source unit, a driving unit, a voltage converting unit, a detecting unit, and a feed-back control unit. The driving unit is used to receive an input signal, and convert the input signal to a driving signal for output according to an enable signal and a feed-back signal. The voltage converting unit is used to convert the driving signal to a driving voltage, so as to output the driving voltage to a first end of the light source unit. The detecting unit is coupled to a second end of the light source unit, and used to detect an output current of the light source unit, so as to generate a detecting voltage. The feed-back control unit generates the feed-back signal according to the detecting voltage and a pulse width modulation signal.Type: ApplicationFiled: December 27, 2011Publication date: April 25, 2013Applicant: VIVOTEK INC.Inventor: Yi-Chuan CHEN
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Patent number: D703180Type: GrantFiled: July 2, 2013Date of Patent: April 22, 2014Inventor: Yi Chuan Chen
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Patent number: D721901Type: GrantFiled: October 11, 2012Date of Patent: February 3, 2015Inventor: Yi-Chuan Chen
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Patent number: RE46132Abstract: An electronic device includes a first housing, a first pivoting mechanism disposed on a side of the first housing, a second housing, a second pivoting mechanism disposed on a side of the second housing, and a bridging component. A first end and a second end of the bridging component are respectively pivoted on the first pivoting mechanism and the second pivoting mechanism. The bridging component includes a first contacting portion for contacting against the side of the first housing when the first pivoting mechanism pivots on the first end so that the first housing rotates around the second housing at a first angle, and a second contacting portion for contacting against the side of the second housing when the second end pivots on the second pivoting mechanism so that the first housing rotates around the second housing at a second angle greater than the first angle.Type: GrantFiled: June 2, 2014Date of Patent: August 30, 2016Assignee: Wistron CorporationInventor: Yi-Chuan Chen