Patents by Inventor Min-Chun Pan
Min-Chun Pan 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: 11313989Abstract: The present disclosure is related to a detecting device which includes a fixing component, a sensing component, and a terminal. The fixing component is fixed to an object under test and generates a first magnetic field. The sensing component includes a driving module and a reference module. The driving module generates a second magnetic field, and the driving module further generates a sensing signal according to an electromagnetic induction produced by the first magnetic field and the second magnetic field. The reference module is spaced from the driving module by a distance, such that the reference module is outside of the second magnetic field and generates a reference signal. The terminal produces detection information according to the sensing signal and the reference signal.Type: GrantFiled: July 28, 2020Date of Patent: April 26, 2022Assignee: National Central UniversityInventors: Min-Chun Pan, Wei-Hao Lee, Po-Chin Chang, Tsung-Hsuan Su
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Patent number: 11307088Abstract: An optical tomography imaging system includes a signal generator, at least one light emitter, at least one light receiver, a signal processor, and an image processor. The signal generator is configured to generate a periodic signal and a reference signal. The light emitter is configured to be activated by the periodic signal to generate an optical signal passing through an object under test. The light receiver is configured to receive and convert the optical signal passing through the object under test into an electrical signal. The signal processor is configured to generate a comparison signal according to the electrical signal and the reference signal. The image processor is configured to acquire a plurality of disassembled sine waves from the comparison signal and generate a reconstructed image according to the disassembled sine waves.Type: GrantFiled: November 27, 2019Date of Patent: April 19, 2022Assignees: National Central UniversityInventors: Min-Chun Pan, Ya-Fen Hsu, Yan-Yang Hsu
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Publication number: 20210157023Abstract: The present disclosure is related to a detecting device which includes a fixing component, a sensing component, and a terminal. The fixing component is fixed to an object under test and generates a first magnetic field. The sensing component includes a driving module and a reference module. The driving module generates a second magnetic field, and the driving module further generates a sensing signal according to an electromagnetic induction produced by the first magnetic field and the second magnetic field. The reference module is spaced from the driving module by a distance, such that the reference module is outside of the second magnetic field and generates a reference signal. The terminal produces detection information according to the sensing signal and the reference signal.Type: ApplicationFiled: July 28, 2020Publication date: May 27, 2021Inventors: Min-Chun PAN, Wei-Hao LEE, Po-Chin CHANG, Tsung-Hsuan SU
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Publication number: 20210156738Abstract: An optical tomography imaging system includes a signal generator, at least one light emitter, at least one light receiver, a signal processor, and an image processor. The signal generator is configured to generate a periodic signal and a reference signal. The light emitter is configured to be activated by the periodic signal to generate an optical signal passing through an object under test. The light receiver is configured to receive and convert the optical signal passing through the object under test into an electrical signal. The signal processor is configured to generate a comparison signal according to the electrical signal and the reference signal. The image processor is configured to acquire a plurality of disassembled sine waves from the comparison signal and generate a reconstructed image according to the disassembled sine waves.Type: ApplicationFiled: November 27, 2019Publication date: May 27, 2021Inventors: Min-Chun PAN, Ya-Fen HSU, Yan-Yang HSU
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Publication number: 20210127978Abstract: An optical tomography device includes a carrier base, at least one slide rail, at least one sliding assembly, and at least one optical channel member. The carrier base has a through hole. The slide rail is located on the carrier base and extends toward the through hole. The sliding assembly includes a sliding block, a guiding rod, and an elastic component. The sliding block is slidably connected to the slide rail and has a first restriction portion. The guiding rod is slidably connected to the sliding block and has a second restriction portion. The elastic component is configured to be deformed by the first restriction portion and the second restriction portion. The optical channel member is coupled with the guiding rod.Type: ApplicationFiled: November 24, 2019Publication date: May 6, 2021Inventors: Min-Chun PAN, Pet-Ting LIU, Ya-Fen HSU
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Patent number: 10390919Abstract: The present invention provides an inspection apparatus for osseointegration of implants, which comprises an inspection base, a holding end, and an inspection end. The holding end is disposed at one end of the inspection base; the inspection end is disposed at the other end of the inspection base. Beside, the inspection end is disposed on one side of the holding end. The holding end includes a signal processing module and a wireless transmission module therein. The inspection end includes an inspection probe, disposed at one end of the inspection end. The inspection probe includes one or more excitation device and a receiver located on the same side of the inspection probe. According to the present invention, the inspection apparatus detects the condition of an object under inspection in a non-contact manner by using an excitation source. An acquired displacement difference is then transmitted to an electronic apparatus through wireless transmission.Type: GrantFiled: March 9, 2017Date of Patent: August 27, 2019Assignee: National Central UniversityInventors: Min-Chun Pan, Chin-Sung Chen, Shiou-Bair Lin, Shih-Yao Wang, Jhao-Ming Yu
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Patent number: 10042160Abstract: The present invention relates to an annular scanning device for optical tomography scanning and imaging system, which comprises a carrying base, a rotating member, a plurality of optical channel modules, and a driving module. The rotating member is disposed on the carrying base. The plurality of optical channel modules are disposed annularly on the rotating member and connected to the rotating member. When the driving module drives the rotating member to rotate, a plurality of optical channel assemblies of the plurality of optical channel modules move towards or away from the center of the rotating member for adjusting the distance between the plurality of optical channel assemblies and an object under test.Type: GrantFiled: May 18, 2015Date of Patent: August 7, 2018Assignee: National Central UniversityInventors: Min-Chun Pan, Jhao-Ming Yu, Liang-Yu Chen, Min-Cheng Pan, Ya-Fen Hsu
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Publication number: 20180064517Abstract: The present invention provides an inspection apparatus for osseointegration of implants, which comprises an inspection base, a holding end, and an inspection end. The holding end is disposed at one end of the inspection base; the inspection end is disposed at the other end of the inspection base. Beside, the inspection end is disposed on one side of the holding end. The holding end includes a signal processing module and a wireless transmission module therein. The inspection end includes an inspection probe, disposed at one end of the inspection end. The inspection probe includes one or more excitation device and a receiver located on the same side of the inspection probe. According to the present invention, the inspection apparatus detects the condition of an object under inspection in a non-contact manner by using an excitation source. An acquired displacement difference is then transmitted to an electronic apparatus through wireless transmission.Type: ApplicationFiled: March 9, 2017Publication date: March 8, 2018Inventors: MIN-CHUN PAN, CHIN-SUNG CHEN, SHIOU-BAIR LIN, SHIH-YAO WANG, JHAO-MING YU
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Patent number: 9788749Abstract: A system for detecting bone defects includes a dental implant contacting member, at least one electromagnetic source, at least one first magnetic field detecting device, at least one second magnetic field detecting device and a computing device. The dental implant contacting member has a magnetic body. The electromagnetic source is used to generate a variable magnetic field to vibrate the magnetic body. The first magnetic field detecting device is used to detect a magnetic field of the magnetic body and the variable magnetic field, so as to generate first detected data. The second magnetic field detecting device is used to detect the variable magnetic field, so as to generate second detected data. The computing device is used to obtain vibration data based on the difference between the first detected data and the second detected data.Type: GrantFiled: March 7, 2014Date of Patent: October 17, 2017Assignee: NATIONAL CENTRAL UNIVERSITYInventors: Min-Chun Pan, Tai-Shin Chia, Chin-Sung Chen, Shyh-Yuan Lee
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Publication number: 20160231100Abstract: The present invention relates to an annular scanning device for optical tomography scanning and imaging system, which comprises a carrying base, a rotating member, a plurality of optical channel modules, and a driving module. The rotating member is disposed on the carrying base. The plurality of optical channel modules are disposed annularly on the rotating member and connected to the rotating member. When the driving module drives the rotating member to rotate, a plurality of optical channel assemblies of the plurality of optical channel modules move towards or away from the center of the rotating member for adjusting the distance between the plurality of optical channel assemblies and an object under test.Type: ApplicationFiled: May 18, 2015Publication date: August 11, 2016Inventors: MIN-CHUN PAN, JHAO-MING YU, LIANG-YU CHEN, MIN-CHENG PAN, YA-FEN HSU
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Publication number: 20150150474Abstract: A system for detecting bone defects includes a dental implant contacting member, at least one electromagnetic source, at least one first magnetic field detecting device, at least one second magnetic field detecting device and a computing device. The dental implant contacting member has a magnetic body. The electromagnetic source is used to generate a variable magnetic field to vibrate the magnetic body. The first magnetic field detecting device is used to detect a magnetic field of the magnetic body and the variable magnetic field, so as to generate first detected data. The second magnetic field detecting device is used to detect the variable magnetic field, so as to generate second detected data. The computing device is used to obtain vibration data based on the difference between the first detected data and the second detected data.Type: ApplicationFiled: March 7, 2014Publication date: June 4, 2015Applicant: National Central UniversityInventors: Min-Chun Pan, Tai-Shin Chia, Chin-Sung Chen, Shyh-Yuan Lee
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Patent number: 8974389Abstract: A system and a method for detecting irregular bone defects during dental implant osseointegration process. The system comprises a detecting abutment, an ultrasonic driver, a signal receiving and analyzing device. When dental detection is performed, the detecting abutment is disposed on a substrate holder of a dental implant. The ultrasonic driver configures the piezoelectric transducers disposed on the detecting abutment to produce ultrasonic wave and transmits the ultrasonic wave to the contact surface between the dental implant and the alveolus bone. The piezoelectric transducers can receive the reflected wave caused by the each portion of the contact surface reflecting the ultrasonic wave and transform the reflected wave into time domain voltage signal. The signal receiving and analyzing device receives the time domain voltage signal to determine the depth, the severity and the location of the irregular bone defects of the contact surface.Type: GrantFiled: January 19, 2012Date of Patent: March 10, 2015Assignee: National Central UniversityInventors: Min-Chun Pan, Jian-Zhi Chen
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Patent number: 8712136Abstract: An image reconstruction method is described as follows. A structural image of an object is obtained. An actual optical detected result of the object is obtained. An inhomogeneous initial state is determined based on the structural image. At least one solution converged with the actual optical detected result is determined by iteratively calculating a physical model from the inhomogeneous initial state. The image of the object is reconstructed based on the solution.Type: GrantFiled: February 16, 2012Date of Patent: April 29, 2014Assignee: National Central UniversityInventors: Min-Chun Pan, Hung-Chih Chiang, Liang-Yu Chen, Min-Chen Pan
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Publication number: 20130122458Abstract: A system and a method for detecting irregular bone defects during dental implant osseointegration process. The system comprises a detecting abutment, an ultrasonic driver, a signal receiving and analyzing device. When dental detection is performed, the detecting abutment is disposed on a substrate holder of a dental implant. The ultrasonic driver configures the piezoelectric transducers disposed on the detecting abutment to produce ultrasonic wave and transmits the ultrasonic wave to the contact surface between the dental implant and the alveolus bone. The piezoelectric transducers can receive the reflected wave caused by the each portion of the contact surface reflecting the ultrasonic wave and transform the reflected wave into time domain voltage signal. The signal receiving and analyzing device receives the time domain voltage signal to determine the depth, the severity and the location of the irregular bone defects of the contact surface.Type: ApplicationFiled: January 19, 2012Publication date: May 16, 2013Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Min-Chun Pan, Jian-Zhi Chen
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Publication number: 20130089250Abstract: An image reconstruction method is described as follows. A structural image of an object is obtained. An actual optical detected result of the object is obtained. An inhomogeneous initial state is determined based on the structural image. At least one solution converged with the actual optical detected result is determined by iteratively calculating a physical model from the inhomogeneous initial state. The image of the object is reconstructed based on the solution.Type: ApplicationFiled: February 16, 2012Publication date: April 11, 2013Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Min-Chun PAN, Hung-Chih CHIANG, Liang-Yu CHEN, Min-Chen PAN
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Publication number: 20130078596Abstract: An apparatus for detecting bone defects includes a detecting device and a dental abutment wirelessly connected to each other. The dental abutment includes a vibration component, at least one vibration excitation transducer, and at least one response sensor. The vibration component is used for being inserted in a dental implant. The vibration excitation transducer is disposed at one side of the vibration component for exciting the vibration component to vibrate, and the vibration excitation transducer is spatially separated from the vibration component. The response sensor is disposed at a side of the to vibration component opposite to the vibration excitation transducer for detecting the vibration of the vibration component.Type: ApplicationFiled: December 22, 2011Publication date: March 28, 2013Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Min-Chun PAN, Han-Bo ZHUANG, Chao-Ping LEE
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Patent number: 8395120Abstract: A bidirectional optical scanner assisting in mammography is revealed. The optical scanner that calculates functional images obtained by diffuse optical tomography, used in combination with a mammography machine can reduce the number of mammograms taken and the dose exposure. The bidirectional optical scanner includes a first compression plate, a first optical detection module, a second optical detection module and a second compression plate. The same test position of the tested breast can be detected twice in different directions by the first and the second optical detection modules. No matter where the tumor is located, the tumor can be detected. Besides structural images provided by the mammography machine, functional tomographic images of the breast are obtained by the bidirectional optical scanner. Thus diagnostic accuracy in the detection of breast cancer is improved.Type: GrantFiled: January 17, 2012Date of Patent: March 12, 2013Assignee: National Central UniversityInventors: Min-Chun Pan, Jhao-Ming Yu, Hung-Chih Chiang, Min-Cheng Pan, Chun-Yu Chen, Liang-Yu Chen
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Patent number: 8378302Abstract: A bidirectional optical scanner assisting in mammography is revealed. The optical scanner that calculates functional images obtained by diffuse optical tomography, used in combination with a mammography machine can reduce the number of mammograms taken and the dose exposure. The bidirectional optical scanner includes a compression module, a first optical detection module, and a second optical detection module. The same test position of the tested breast can be detected twice in different directions by the first and the second optical detection modules. No matter where the tumor is located, the tumor can be detected. Besides structural images provided by the mammography machine, functional tomographic images of the breast are obtained by the bidirectional optical scanner. Thus diagnostic accuracy in the detection of breast cancer is improved.Type: GrantFiled: February 25, 2011Date of Patent: February 19, 2013Assignee: National Central UniversityInventors: Min-Chun Pan, Hung-Chin Chiang, Chun-Yu Chen, Liang-Yu Chen, Ching-Tang Wu, Min-Cheng Pan
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Publication number: 20120220862Abstract: A bidirectional optical scanner assisting in mammography is revealed. The optical scanner that calculates functional images obtained by diffuse optical tomography, used in combination with a mammography machine can reduce the number of mammograms taken and the dose exposure. The bidirectional optical scanner includes a first compression plate, a first optical detection module, a second optical detection module and a second compression plate. The same test position of the tested breast can be detected twice in different directions by the first and the second optical detection modules. No matter where the tumor is located, the tumor can be detected. Besides structural images provided by the mammography machine, functional tomographic images of the breast are obtained by the bidirectional optical scanner. Thus diagnostic accuracy in the detection of breast cancer is improved.Type: ApplicationFiled: January 17, 2012Publication date: August 30, 2012Applicant: NATIONAL CENTRAL UNIVERSITYInventors: MIN-CHUN PAN, JHAO-MING YU, HUNG-CHIH CHIANG, MIN-CHENG PAN, CHUN-YU CHEN, LIANG-YU CHEN
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Patent number: 8167614Abstract: A non-contact apparatus and method detect irregular bone defects around a dental implant. Structural resonance frequency is produced and received to recognize a quality, a direction and a depth of an irregular bone defect. Thus, an interfacial osseointegration can be evaluated, and the present invention is of great help to assess osseointegration and diagnosis interfacial bone defects after the dental surgery.Type: GrantFiled: March 15, 2011Date of Patent: May 1, 2012Assignee: National Central UniversityInventors: Min-Chun Pan, Han-Bo Chuang, Shyh-Yuan Lee