Patents by Inventor QING Long
QING Long 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: 11002906Abstract: A waveguide device includes two diffractive optical elements, a waveguide element, and two polarizing units. Each of the diffractive optical elements has a grating configured to diffract light of a wavelength to propagate with a diffraction angle. The waveguide element is configured to guide light propagated from one of the diffractive optical elements to the other of the diffractive optical elements. The polarizing units are at opposite surfaces of the waveguide element and optically coupled between the diffractive optical elements. Each of the polarizing units is configured to reflect light of a first polarization characteristic and transmit light of a second polarization characteristic.Type: GrantFiled: January 2, 2020Date of Patent: May 11, 2021Assignee: HTC CorporationInventor: Qing-Long Deng
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Publication number: 20210029868Abstract: A directional garlic seed throwing mechanism includes a base, a rotating device, a vision sensor, a seed throwing guide plate, a seed guide pipe and a plurality of bulbil adjusting devices. The rotating device includes a rotating motor detachably connected to the base and a turntable connected to an output end of the rotating motor. The seed throwing guide plate is arranged on the turntable to enable garlic seeds of seed containing bowls to fall into the seed guide pipe. The seed guide pipe has an upper port right below the bulbil adjusting devices and arranged on the base. An even number of the bulbil adjusting devices are fixed on the turntable uniformly and symmetrically and include the seed containing bowls and bulbil direction control devices for driving the bowls to rotate 180 degrees.Type: ApplicationFiled: September 19, 2018Publication date: February 4, 2021Applicants: SHANDONG ACADEMY AGRICULTURAL MACHINERY SCIENCES, Shandong UniversityInventors: JINGXIN SHEN, YITIAN SUN, YONGJIA SUN, GANG CHEN, QING LONG LI, Xian Ying FENG, Jun Zhou, Peng Yan
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Publication number: 20200336568Abstract: The disclosure provides an augmented reality (AR) information transmission system and an AR information transmission method. The AR information transmission system includes a wireless information transmission device. The wireless information transmission device includes a directivity transmitter and a processor. The processor is configured to: obtain AR information and convert the AR information into a wireless signal; and control the directivity transmitter to send the wireless signal toward a designated direction.Type: ApplicationFiled: March 23, 2020Publication date: October 22, 2020Applicant: HTC CorporationInventor: Qing-Long Deng
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Patent number: 10712641Abstract: A projection apparatus includes a light source, a light reflective member, a light valve, and a light beam adjusting member. The light source is configured to provide an illumination beam. The light reflective member is configured to reflect the illumination beam. The light valve is configured to convert the illumination beam reflected by the light reflective member into an image beam. The light beam adjusting member is optically coupled between the light source and the light reflective member and includes a collimating lens module. The collimating lens module has a light entering surface and a light leaving surface respectively at opposite sides thereof. The light entering surface and the light leaving surface respectively have a first optical axis and a second optical axis extending along different directions.Type: GrantFiled: March 28, 2019Date of Patent: July 14, 2020Assignee: HTC CorporationInventors: Qing-Long Deng, Hsiu-Cheng Wang
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Publication number: 20200209471Abstract: A waveguide device includes two diffractive optical elements, a waveguide element, and two polarizing units. Each of the diffractive optical elements has a grating configured to diffract light of a wavelength to propagate with a diffraction angle. The waveguide element is configured to guide light propagated from one of the diffractive optical elements to the other of the diffractive optical elements. The polarizing units are at opposite surfaces of the waveguide element and optically coupled between the diffractive optical elements. Each of the polarizing units is configured to reflect light of a first polarization characteristic and transmit light of a second polarization characteristic.Type: ApplicationFiled: January 2, 2020Publication date: July 2, 2020Inventor: Qing-Long DENG
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Publication number: 20200183162Abstract: A waveguide device includes two holographic optical elements and a waveguide element. Each of the holographic optical elements has a first holographic grating and a second holographic grating. The first holographic grating is configured to diffract light of a first wavelength to propagate with a first diffraction angle. The second holographic grating is configured to diffract light of a second wavelength to propagate with a second diffraction angle. The waveguide element is configured to guide light propagated from one of the holographic optical elements to another of the holographic optical elements.Type: ApplicationFiled: December 5, 2019Publication date: June 11, 2020Inventor: Qing-Long DENG
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Publication number: 20200110198Abstract: A head-mounted display includes an optical component. The optical component includes a plurality of micro lenses and a central lens. The micro lenses are connected to each other. The central lens is connected among and surrounded by the micro lenses. The central lens and the micro lenses are substantially arranged along a plane.Type: ApplicationFiled: October 4, 2019Publication date: April 9, 2020Inventor: Qing-Long DENG
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Publication number: 20200110270Abstract: An electronic apparatus includes a housing and a covering structure. The housing has a light transmission portion. The covering structure includes a plurality of coating layers sequentially stacked above the light transmission portion. The coating layers respectively have different thicknesses, different refractive indices, different reflectivities, and different transmissivities. Reflected light of the coating layers presents a virtual image with a pattern.Type: ApplicationFiled: October 4, 2019Publication date: April 9, 2020Inventors: Li-Hsun CHANG, Kuan-Ying OU, Qing-Long DENG
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Publication number: 20200064649Abstract: An image display system includes a projector, an image display element, and at least one actuator. The projector is configured to project laser light. The image display element is configured to display an image using the projected laser light. The at least one actuator is configured to vibrate the image display element.Type: ApplicationFiled: August 27, 2019Publication date: February 27, 2020Inventors: Qing-Long DENG, Yu-Sheng LEE, Yen-Chieh WANG
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Publication number: 20190302905Abstract: A traceable optical device is capable of being tracked by an electronic device having an image sensor. The traceable optical device includes a light guide member, at least one light source, and a shielding member. The light guide member has at least one light-incident surface and a light-emitting surface connected to each other. The light source is configured to emit light into the light guide member from the light-incident surface. The shielding member shields the light guide member and has at least one light transmission area.Type: ApplicationFiled: February 27, 2019Publication date: October 3, 2019Inventors: Qing-Long DENG, Li-Hsun CHANG
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Publication number: 20190302585Abstract: A projection apparatus includes a light source, a light reflective member, a light valve, and a light beam adjusting member. The light source is configured to provide an illumination beam. The light reflective member is configured to reflect the illumination beam. The light valve is configured to convert the illumination beam reflected by the light reflective member into an image beam. The light beam adjusting member is optically coupled between the light source and the light reflective member and includes a collimating lens module. The collimating lens module has a light entering surface and a light leaving surface respectively at opposite sides thereof. The light entering surface and the light leaving surface respectively have a first optical axis and a second optical axis extending along different directions.Type: ApplicationFiled: March 28, 2019Publication date: October 3, 2019Inventors: Qing-Long DENG, Hsiu-Cheng WANG
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Patent number: 10345595Abstract: A head mounted device include a displayer, an eye-tracking module and a control module. The eye-tracking module is configured for tracking positions and movements of two pupils. The control module is communicated with the displayer and the eye-tracking module. The control module is configured to determine a target object located in front of the head mounted device according to the positions of the pupils. The control module is further configured to obtain a gap distance between the pupils and the target object. The control module is further to calculate a dimensional parameter of the target object according the gap distance and the movements of the pupils. The control module is further to display the dimensional parameter on the displayer.Type: GrantFiled: September 14, 2017Date of Patent: July 9, 2019Assignee: HTC CorporationInventors: Qing-Long Deng, Yung-Chen Lin
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Patent number: 10255499Abstract: A head-mounted display including a display, a first lens, at least one light source, at least one pinhole and at least one image sensor is provided. An eye ball observes the display by the first lens. The at least one light source emits at least one light beam to illumine the eye ball. The at least one pinhole is disposed outside a space between the display and the first lens. The at least one light beam reflected by the eye ball passes through the at least one pinhole to form an image on the at least one image sensor.Type: GrantFiled: March 23, 2017Date of Patent: April 9, 2019Assignee: HTC CorporationInventor: Qing-Long Deng
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Publication number: 20190049722Abstract: A head-mounted display apparatus includes a shell and a first light emitter. The shell has an inner surface. The first light emitter is disposed on the shell. The first light emitter transmits a first projection light beam to the inner surface and causes the first projection light beam to bring out at least one reflection action and a scattering action according to the inner surface to generate a first detection light. The first detection light is projected to a first target region. A first projection surface of the first detection light covers a first pre-set area of the first target region.Type: ApplicationFiled: July 25, 2018Publication date: February 14, 2019Applicant: HTC CorporationInventors: Qing-Long Deng, Yung-Chen Lin
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Patent number: 10145067Abstract: Methods of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength, and enhancing filler retention in a papermaking process are disclosed. The methods improve the efficiency of drainage aids, wet web strength aids, and/or wet strength aids by coating at least some of the filler particles with a material that prevents the filler materials form adhering to a those additives.Type: GrantFiled: September 21, 2016Date of Patent: December 4, 2018Assignee: ECOLAB USA INC.Inventors: Yulin Zhao, Jun Li, Qing Long Rao, Stephen Ashton, Weiguo Cheng, Aleksandar Todorovic, Alan Smith
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Publication number: 20180275408Abstract: A head-mounted display apparatus is provided. The head-mounted display apparatus includes a first image-forming device and a first image beam projecting device. The first image beam projecting device is configured to project a first image beam. The first image-forming device has a first image display surface for receiving the first image beam. The first image display surface is a first curved surface. The first curved surface is bended along at least one first bending axis and at least one second bending axis, and the at least one first bending axis and the at least one second bending axis are perpendicular to each other.Type: ApplicationFiled: March 2, 2018Publication date: September 27, 2018Applicant: HTC CorporationInventor: Qing-Long Deng
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Patent number: 10084390Abstract: A power converter, short circuit protection circuit, and control method are disclosed herein. The power converter is configured to generate an output voltage and includes a semiconductor switch, a short circuit protection circuit, and a signal processing module. The semiconductor switch is configured to adjust the output voltage according to a driving signal. The short circuit protection circuit is configured to generate a short circuit protecting signal according to a control signal and a short circuit status of the semiconductor switch. The signal processing module is configured to generate the control signal and the driving signal according to a modulating signal, and to turn off the semiconductor switch according to the short circuit protecting signal. A delay duration is present between the modulating signal and the control signal, and the semiconductor switch is turned on during the delay duration.Type: GrantFiled: June 1, 2015Date of Patent: September 25, 2018Assignee: Delta Electronics (Shanghai) Co., Ltd.Inventors: Qing-Long Zhong, Yan Li, Hong-Jian Gan
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Publication number: 20180095282Abstract: A head mounted device include a displayer, an eye-tracking module and a control module. The eye-tracking module is configured for tracking positions and movements of two pupils. The control module is communicated with the displayer and the eye-tracking module. The control module is configured to determine a target object located in front of the head mounted device according to the positions of the pupils. The control module is further configured to obtain a gap distance between the pupils and the target object. The control module is further to calculate a dimensional parameter of the target object according the gap distance and the movements of the pupils. The control module is further to display the dimensional parameter on the displayer.Type: ApplicationFiled: September 14, 2017Publication date: April 5, 2018Inventors: Qing-Long DENG, Yung-Chen LIN
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Publication number: 20170277949Abstract: A head-mounted display including a display, a first lens, at least one light source, at least one pinhole and at least one image sensor is provided. An eye ball observes the display by the first lens. The at least one light source emits at least one light beam to illumine the eye ball. The at least one pinhole is disposed outside a space between the display and the first lens. The at least one light beam reflected by the eye ball passes through the at least one pinhole to form an image on the at least one image sensor.Type: ApplicationFiled: March 23, 2017Publication date: September 28, 2017Applicant: HTC CorporationInventor: Qing-Long Deng
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Publication number: 20170009399Abstract: Methods of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength, and enhancing filler retention in a papermaking process are disclosed. The methods improve the efficiency of drainage aids, wet web strength aids, and/or wet strength aids by coating at least some of the filler particles with a material that prevents the filler materials form adhering to a those additives.Type: ApplicationFiled: September 21, 2016Publication date: January 12, 2017Applicant: NALCO CompanyInventors: Yulin Zhao, Jun Li, Qing Long Rao, Stephen Ashton, Weiguo Cheng, Aleksandar Todorovic, Alan Smith