Patents Assigned to QISDA Corporation
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Publication number: 20220269467Abstract: An image displaying device includes a planar display panel and a light penetrating unit. The planar display panel displays a plane image. The planar display panel at least includes a first pixel group, a second pixel group and a third pixel group. The second pixel group is located between the first pixel group and the third pixel group. When vision passes through the light penetrating unit toward the planar display panel, the vision acquires a second distance of a second imaging position within the plane image relevant to the second pixel group relative to the planar display panel being greater than a first distance of a first imaging position within the plane image relevant to the first pixel group relative to the planar display panel and a third distance of a third imaging position within the plane image relevant to the third pixel group relative to the planar display panel.Type: ApplicationFiled: January 10, 2022Publication date: August 25, 2022Applicant: QISDA CORPORATIONInventors: Hao-Chun Tung, Hsin-Che Hsieh, Wei-Jou Chen, Po-Fu Wu, Yu-Fu Fan, Chih-Ming Chang
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Patent number: 11425491Abstract: A display including a front frame, a rear case, a display panel and a sound emitting device is provided. The display panel is disposed between the front frame and the rear case, and a display surface of the display panel is exposed from the front frame. The sound emitting device is disposed between the front frame and the rear case and includes a sound box, a speaker unit and a sound guide channel. The speaker unit disposed on the sound box has a sound emitting surface facing a first direction. The sound guide channel is extended to the sound emitting surface and has a sound outlet facing a second direction. The first direction is not parallel to the second direction.Type: GrantFiled: February 25, 2021Date of Patent: August 23, 2022Assignee: Qisda CorporationInventors: Yung-Chun Su, Weng-Ching Hsieh, Chung-Hao Yang, Hung-Mao Chen
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Patent number: 11422382Abstract: An alignment module includes a polarized dichroic mirror, a dichroic mirror, a phase retarding component and several light sources. The polarized dichroic mirror reflects specific beams and is passed by other beams. The dichroic mirror is disposed on a side of the polarized dichroic mirror, and reflects specific beams and is passed by other beams. The phase retarding component is disposed by the dichroic mirror and adapted to transform a polarization state of a beam passing the phase retarding component. The light sources are respectively disposed on different sides of the polarized dichroic mirror, and respectively output a beam toward the polarized dichroic mirror. The polarized dichroic mirror can transmit some beams toward a light pipe, and further transmit other beams toward the dichroic mirror and the phase retarding component for transforming the polarization state and then transmit the transformed beams toward the light pipe.Type: GrantFiled: December 7, 2020Date of Patent: August 23, 2022Assignee: Qisda CorporationInventors: Jia-Ming Zhang, Ching-Tze Huang, Tsung-Hsun Wu
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Patent number: 11423861Abstract: A method includes sorting a plurality of scanning time lengths of the plurality of transmission ports in an ascending order, generating a scanning priority table after the plurality of scanning time lengths of the plurality of transmission ports are sorted, and scanning at least two transmission ports according to the scanning priority table. A transmission port with a higher priority has a shorter scanning time length. A transmission port with a lower priority has a longer scanning time length.Type: GrantFiled: January 5, 2020Date of Patent: August 23, 2022Assignee: Qisda CorporationInventors: Jen-Hao Liao, Tse-Wei Fan
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Patent number: 11425330Abstract: A projector includes an image converting module, a processing module and an imaging module. The image converting module receives an original image sequence with a first frame rate. The image converting module inserts a plurality of supplement images into the original image sequence per second to output a supplement image sequence with a second frame rate, wherein the second frame rate is larger than the first frame rate. The processing module is coupled to the image converting module. The processing module receives the supplement image sequence from the image converting module. The processing module ignores the supplement images and processes and outputs the original image sequence. The imaging module is coupled to the processing module. The imaging module receives the original image sequence from the processing module and outputs the original image sequence by the first frame rate.Type: GrantFiled: March 22, 2021Date of Patent: August 23, 2022Assignee: Qisda CorporationInventors: Tsai-Hsu Cheng, Chih-Wei Cho
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Publication number: 20220249092Abstract: A surgical tool clamping feedback device includes a surgical tool, a force feedback sensor and a feedback processing unit. The surgical tool includes a machine body, a harmonic scalpel, a clamp and an operating handle. The machine body is configured to install the harmonic tool head. The harmonic scalpel is configured to install the clamp and output an ultrasonic wave to the clamp. The operating handle is movably disposed on the machine body for a user to hold and operate the clamp. The force feedback sensor is linked with the operating handle to detect a gripping feedback force from the operating handle. The feedback processing unit is configured to receive the grip feedback force of the operating handle and correspondingly output an indication signal to the user.Type: ApplicationFiled: January 27, 2022Publication date: August 11, 2022Applicant: Qisda CorporationInventor: Zhe-Wei SU
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Publication number: 20220252240Abstract: A light source module includes a light source, a dichroic unit, a color wheel and a wavelength conversion unit. The light source is configured to emit a light. The dichroic unit is opposite to the light source and configured to reflect a portion of the light as a first illumination light in a first direction and reflect a portion of the light as a second illumination light in a second direction inverse to the first direction. The color wheel is opposite to the dichroic unit and configured to at least receive the first illumination light. The color wheel has a blue filter area, a green filter area and a red filter area. The wavelength conversion unit is opposite to the color wheel and the dichroic unit and configured to at least receive the second illumination light and provide a converted light to the color wheel.Type: ApplicationFiled: January 14, 2022Publication date: August 11, 2022Applicant: Qisda CorporationInventors: Chih-Shiung CHIEN, Ming-Kuen LIN, Tsung-Hsun WU
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Publication number: 20220249209Abstract: An oral scanner including a heating element, a reflecting element and a temperature difference generating element is provided. The temperature difference generating element has a high temperature end and a low temperature end. The high temperature end is connected to the reflecting element to heat the reflecting element, and the low temperature end is connected to the heating element to cool the heating element.Type: ApplicationFiled: January 24, 2022Publication date: August 11, 2022Applicant: Qisda CorporationInventors: Chien-Hung LIN, Po-Fu WU, Jun-Ming SHEN, Szu-Fan CHEN, Yi-Ling LO
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Publication number: 20220255523Abstract: A dynamic audio broadcasting method is to receive an audio signal and an ambient sound, compare the audio signal and the ambient sound to adjust an amplification volume of the audio signal, and play the audio signal at the amplification volume. An audio broadcasting apparatus includes an audio receiver, an ambient sound receiver, a speaker, and a processing module electrically connected to the above components. The processing module is configured to receive an audio signal and an ambient sound through the audio receiver and the ambient sound receiver respectively, compare the audio signal and the ambient sound to adjust an amplification volume of the audio signal, and play the audio signal at the amplification volume through the speaker.Type: ApplicationFiled: September 2, 2021Publication date: August 11, 2022Applicant: QISDA CORPORATIONInventor: Wu-Chi Chu
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Publication number: 20220250135Abstract: A low-gloss metal plate includes a metal body and a plurality of metal pattern units. The metal body has a first surface and a second surface opposite to each other. The plurality of metal pattern units protrude from the first surface and are arranged to form a regular pattern. One of the plurality of metal pattern units has a top, a base and a sidewall. The base at least partially overlaps with the first surface. The sidewall connects the top with the base and forms an angle less than 60° with the base.Type: ApplicationFiled: July 9, 2021Publication date: August 11, 2022Applicant: Qisda CorporationInventors: Ying-Tsung TSAI, Cheng-Sheng WU, Han-Kuang HO
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Publication number: 20220252873Abstract: An calibration kit includes a base, a combination of calibration parts, and a manipulation part. The combination of calibration parts is disposed on the base and includes a first calibration part and a second calibration part. The first calibration part has a first calibration surface. The second calibration part has a second calibration surface. The first calibration part and the second calibration part are relatively movable in a movement direction and are movable relative to the base. The manipulation part is movably or rotatably disposed on the base. The manipulation part is configured to be operable to drive the first calibration part and the second calibration part to move in the movement direction relative to the base, so that the combination of calibration parts forms a three-dimensional calibration surface configuration through the first calibration surface and the second calibration surface.Type: ApplicationFiled: September 6, 2021Publication date: August 11, 2022Applicant: QISDA CORPORATIONInventors: Tzu-Huan Hsu, Po-Fu Wu, Yuan-Yu Hsiao, Ching-Huey Wang, Chih-Kang Peng, Chun-Ming Shen, Chih-Ming Hu, Yi-Ling Lo
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Publication number: 20220243896Abstract: A clamp lamp could clamp a screen having a front surface and a rear surface is provided. The clamp lamp includes a first clip, a second clip and a light-emitting module. When the clamp lamp clamps an edge of the screen, the first and second clips abut on the front surface and the rear surface of the screen respectively. The light-emitting module is connected to the first clip and includes a casing, a light-emitting element and a light-reflecting element. The casing has a light outlet. The light-emitting element is disposed in the casing and configured to emit a light and reflect the light to illuminate the front of the front surface through the light outlet. The light-reflecting element has first and second reflecting surfaces connected to each other. The first reflecting surface has several reflecting points, each having a radius of curvature equal to or greater than 25 mm.Type: ApplicationFiled: January 3, 2022Publication date: August 4, 2022Applicant: Qisda CorporationInventor: Chang-Yu TSAI
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Patent number: 11397377Abstract: A bracket includes a bracket body and an imaging module. The imaging module includes a first light source, a first pattern plate, a second light source, a second pattern plate and an imaging screen. The first light source projects a first illumination light. The first pattern plate having a first transmissive pattern is located on an optical path of the first illumination light, such that the first illumination light passing through the first transmissive pattern becomes a first pattern light. The second light source projects a second illumination light. The second pattern plate having a second transmissive pattern is located on an optical path of the second illumination light, such that the second illumination light passing through the second transmissive pattern becomes a second pattern light. The imaging screen receives the projection of the first and second pattern light.Type: GrantFiled: March 26, 2021Date of Patent: July 26, 2022Assignee: Qisda CorporationInventors: Shin-Hao Wu, Chin-Chen Kuo, Hsin-Hung Lin, Han-Kuang Ho
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Patent number: 11393429Abstract: A display device includes a storage unit, a display unit and a processing unit. The storage unit stores an original coordinate of a reference point and a color parameter under a color space, wherein the color space has been processed by color calibration in advance. The display unit displays an adjusting interface. The adjusting interface is configured to shift the reference point to generate a shift coordinate of the reference point. The processing unit is coupled to the storage unit and the display unit. The processing unit obtains a color transformation matrix according to the original coordinate of the reference point, the shift coordinate of the reference point and the color parameter. The processing unit adjusts three output percentages of RGB by the color transformation matrix.Type: GrantFiled: January 22, 2021Date of Patent: July 19, 2022Assignee: Qisda CorporationInventors: Feng-Lin Chen, Chun-Chang Wu
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Publication number: 20220196216Abstract: A clamping lamp for clamping a monitor comprises a first light source and a clamping body including a second light source, a first clamping component including a first clamping portion and a lamp connection portion, and a second clamping component including a second clamping portion. The lamp connection portion connects with the first clamping portion and the first light source. The first clamping portion leans against a front surface of the monitor and the second clamping portion leans against a back surface of the monitor when the clamping lamp clamps the monitor so the first light source is located above a top surface of the monitor. The first light source emits light toward a first zone that the front surface faces toward. The second light source emits light toward a second zone that the back surface faces toward.Type: ApplicationFiled: December 16, 2021Publication date: June 23, 2022Applicant: Qisda CorporationInventor: Chih-Lung HUANG
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Patent number: 11360604Abstract: A display device is provided. The display device includes a front frame, a rear cover, a display panel, a plurality of sensors and at least one adjusting mechanism. The front frame has an opening. The front frame and the rear cover are fixed to form an accommodation space. The display panel, disposed in the accommodating space, has a display surface exposed to the opening. A plurality of sensors are disposed on the front frame and configured to receive and emit an optical signal above the display surface. At least one adjusting mechanism is disposed on the rear cover and configured to adjust a deformation amount of the front frame to maintain the sensors at a predetermined emitting position and a receiving position.Type: GrantFiled: August 7, 2020Date of Patent: June 14, 2022Assignee: Qisda CorporationInventors: Yung-Tsun Hsieh, Yi-An Ma
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Patent number: 11360371Abstract: A laser mixing module includes first, second, and third laser sets and a condensing lens. The first laser set includes first and second laser sources and a first polarization beam splitter reflecting a polarization light of the first laser source and allowing a polarization light of the second laser source to pass for forming a first laser beam. The second laser set includes third and fourth laser sources and a second polarization beam splitter reflecting a polarization light of the third laser source and allowing a polarization light of the fourth laser source to pass therethrough for forming a second laser beam. The third laser set includes a fifth laser source and first and second dichroic mirrors respectively reflecting the first and second laser beams and allowing a light of the fifth laser source to pass for forming a third laser beam. The condensing lens condenses the third laser beam.Type: GrantFiled: March 8, 2021Date of Patent: June 14, 2022Assignee: Qisda CorporationInventors: Ching-Shuai Huang, Bing-Hann Leu, Chi-Hung Hsiao
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Patent number: 11360372Abstract: A projector includes a first light source, a second light source, a collimating lens, a wavelength conversion module and a dichroic mirror. The first light source and the second light source respectively emit a first illumination beam and a second illumination beam. The collimating lens includes a first part and a second part and configured to receive and transmit the first illumination beam. The wavelength conversion module receives the first illumination beam from the first part, and generates an excitation beam transmitted toward the first part and the second part. The dichroic mirror corresponds to the first part, and configured to reflect the first illumination beam and the second illumination beam respectively to different directions for projecting the first illumination beam onto the first part and to be passed by the excitation beam.Type: GrantFiled: March 26, 2020Date of Patent: June 14, 2022Assignee: Qisda CorporationInventors: Wen-Yao Lin, Ching-Shuai Huang
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Patent number: 11350032Abstract: A method operating an intraoral scanner including a projection device of the intraoral scanner projecting a predetermined pattern, an image capture device of the intraoral scanner capturing K images of the predetermined pattern projected on an object under test, a controller of the intraoral scanner generating (K?1) overall brightness change indications according to (K?1) sets of two consecutive images of the K images, and if the (K?1) overall brightness change indications are all less than a predetermined threshold, the controller turning off the intraoral scanner. K is a positive integer greater than 1.Type: GrantFiled: August 7, 2020Date of Patent: May 31, 2022Assignee: Qisda CorporationInventors: Chuang-Wei Wu, Tsung-Hsi Lee
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Patent number: 11327294Abstract: A projection device for providing an image light includes a light source module configured to provide an illumination light, a dichroic film configured to allow a first portion of the illumination light to transmit therethrough to form a light in a first wavelength range and to reflect a second portion of the illumination light into a light in a second wavelength range different from the first wavelength range, a first digital micromirror device (DMD) configured to reflect the light in the first wavelength range from the dichroic film into a first light, and a second DMD configured to reflect the light in the second wavelength range from the dichroic film into a second light, wherein the first light and the second light together form the image light.Type: GrantFiled: January 14, 2021Date of Patent: May 10, 2022Assignee: Qisda CorporationInventors: Jia-Ming Zhang, Ching-Shuai Huang