Patents by Inventor Chi-chen Chen

Chi-chen 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).

  • Publication number: 20210318514
    Abstract: A focusing mechanism, including a positioning seat, a focus ring, a lens, and a knob is provided. The lens has an optical axis. The positioning seat has a first surface, a second surface opposite to the first surface, and a sliding groove penetrating the first surface and the second surface. The focus ring is slidably and rotatably disposed on the second surface of the positioning seat. The lens is fixed to the focus ring. The focus ring has a positioning hole and is located between the positioning seat and the lens. The positioning hole is aligned to the sliding groove in a direction perpendicular to the optical axis. The knob passes through the sliding groove and is inserted into the positioning hole. The knob is pressed against the first surface of the positioning seat. A projection device is also provided.
    Type: Application
    Filed: March 23, 2021
    Publication date: October 14, 2021
    Applicant: Coretronic Corporation
    Inventors: Chi-Chen Chen, Chang-Ching Li
  • Patent number: 10495956
    Abstract: A projector including an outer casing, a projection lens and a flexible sealing element is provided. The casing has a first opening. The projection lens is disposed in the casing and has a focusing portion, where the focusing portion is aligned to the first opening. The flexible sealing element is connected to a periphery of the first opening to seal the first opening. The focusing portion is connected to the flexible sealing element. When an external force is exerted to the flexible sealing element, the flexible sealing element is deformed and drives the focusing portion to move, so as to focus the projection lens.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: December 3, 2019
    Assignee: Coretronic Corporation
    Inventors: Chi-Chen Chen, Chia-Tien Chen
  • Patent number: 9703180
    Abstract: A projection apparatus includes a light source, a light valve, and a lens module. The light source provides a light beam. The light valve converts the light beam into an image beam. The lens module converts the image beam into a projecting beam and includes a lens and a locking structure. The locking structure is connected to the lens and includes a first plate, a second plate, a moving element, and a first pushing element. The second plate is disposed between the first plate and the lens and firmly fixed to the lens. A groove is formed between the first plate and the second plate, and the groove has withstanding holes arranged along a first direction. The moving element is disposed between the first plate and the second plate. The first pushing element is disposed between the moving element and the second plate.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: July 11, 2017
    Assignee: CORETRONIC CORPORATION
    Inventors: Chi-Chen Chen, Chia-Tien Chen
  • Publication number: 20160332287
    Abstract: A pneumatic wrench with a butterfly steering switching mechanism includes a casing, a striking module, a motor module, a back cover, a butterfly operating lever, a speed control knob, a flow control valve, a forward/reverse rotary valve, a trigger module, and an air seal module. The novel design of the butterfly operating lever, the alternate installation of each mechanism of the wrench, and the optimal configuration of the air passage provide a wrench that can be operated by one hand for left and right handed operator and achieve the effects of lowering the production cost of a casing blank, improving the transmission loss compressed air in the wrench, and saving energy.
    Type: Application
    Filed: June 19, 2015
    Publication date: November 17, 2016
    Inventor: Chi-Chen Chen
  • Publication number: 20160085140
    Abstract: A projector including an outer casing, a projection lens and a flexible sealing element is provided. The casing has a first opening. The projection lens is disposed in the casing and has a focusing portion, where the focusing portion is aligned to the first opening. The flexible sealing element is connected to a periphery of the first opening to seal the first opening. The focusing portion is connected to the flexible sealing element. When an external force is exerted to the flexible sealing element, the flexible sealing element is deformed and drives the focusing portion to move, so as to focus the projection lens.
    Type: Application
    Filed: June 18, 2015
    Publication date: March 24, 2016
    Inventors: Chi-Chen Chen, Chia-Tien Chen
  • Publication number: 20150370151
    Abstract: A projection apparatus includes a light source, a light valve, and a lens module. The light source provides a light beam. The light valve converts the light beam into an image beam. The lens module converts the image beam into a projecting beam and includes a lens and a locking structure. The locking structure is connected to the lens and includes a first plate, a second plate, a moving element, and a first pushing element. The second plate is disposed between the first plate and the lens and firmly fixed to the lens. A groove is formed between the first plate and the second plate, and the groove has withstanding holes arranged along a first direction. The moving element is disposed between the first plate and the second plate. The first pushing element is disposed between the moving element and the second plate.
    Type: Application
    Filed: March 24, 2015
    Publication date: December 24, 2015
    Applicant: Coretronic Corporation
    Inventors: CHI-CHEN CHEN, CHIA-TIEN CHEN
  • Patent number: 8672283
    Abstract: A projection device including a turntable module and a projection module is provided. The turntable module includes a first turntable and a second turntable. The first turntable is disposed on a surface. The second turntable is disposed on the first turntable and connected to the first turntable, and rotates relative to the first turntable by revolving along a rotation axis. The projection module is disposed on the turntable module and fixed to the second turntable.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: March 18, 2014
    Assignee: Coretronic Corporation
    Inventors: Wei-Ju Chen, Chi-Chen Chen
  • Patent number: 8587932
    Abstract: A handheld electronic device includes a main body and a cover. The main body has a bottom surface and a side surface adjacent to each other. A strap hole is formed in the side surface of the main body. A receiving slot and an observing opening are formed in the bottom surface. The observing opening is located at an edge of the bottom surface and is aligned and communicates with the strap hole. The cover is detachably disposed on the bottom surface to cover the receiving slot and the observing opening.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: November 19, 2013
    Assignee: Coretronic Corporation
    Inventors: Chun-Ping Wang, Chi-Chen Chen
  • Patent number: 8375832
    Abstract: A compact one touch pneumatic wrench includes a cylinder having an improved air passage to achieve one touch function and a housing mad of engineering plastic material. Compared to a conventional pneumatic wrench which needs one hand to hold the handle and the other hand to operate the clockwise/counterclockwise rotation of the motor, the present invention improves the air passage of the cylinder to provide a simple and convenient operation with only one hand, providing a convenient operation and enhancing the work efficiency.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: February 19, 2013
    Assignee: Year Congratulate Industrial Co., Ltd.
    Inventor: Chi-Chen Chen
  • Patent number: 8323887
    Abstract: The present invention provides a method for combining a fluid delivery system with an analysis system for performing immunological or other chemical of biological assays. The method comprises a miniature plastic fluidic cartridge containing a reaction chamber with a plurality of immobilized species, a capillary channel, and a pump structure along with an external linear actuator corresponding to the pump structure to provide force for the fluid delivery. The plastic fluidic cartridge can be configured in a variety of ways to affect the performance and complexity of the assay performed.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: December 4, 2012
    Inventors: James Russell Webster, Ping Chang, Shaw-Tzuv Wang, Chi-Chen Chen, Rong-I Hong
  • Publication number: 20120261072
    Abstract: An apparatus for reducing etching marks on a solar cell surface includes an etching bath, an etchant-feeding pipe configured in the etching bath, and a bubble guiding device that covers the etchant-feeding pipe. The bubble guiding device guides bubbles discharged from the etchant-feeding pipe to move toward at least one end of the etchant-feeding pipe for reducing etching marks on the solar cell surface.
    Type: Application
    Filed: September 21, 2011
    Publication date: October 18, 2012
    Applicant: TOPCELL SOLAR INTERNATIONAL CO.,LTD
    Inventor: Chi-Chen Chen
  • Publication number: 20120091306
    Abstract: A projection device including a turntable module and a projection module is provided. The turntable module includes a first turntable and a second turntable. The first turntable is disposed on a surface. The second turntable is disposed on the first turntable and connected to the first turntable, and rotates relative to the first turntable by revolving along a rotation axis. The projection module is disposed on the turntable module and fixed to the second turntable.
    Type: Application
    Filed: July 11, 2011
    Publication date: April 19, 2012
    Applicant: CORETRONIC CORPORATION
    Inventors: Wei-Ju Chen, Chi-Chen Chen
  • Publication number: 20110259155
    Abstract: A compact one touch pneumatic wrench includes a cylinder having an improved air passage to achieve one touch function and a housing mad of engineering plastic material. Compared to a conventional pneumatic wrench which needs one hand to hold the handle and the other hand to operate the clockwise/counterclockwise rotation of the motor, the present invention improves the air passage of the cylinder to provide a simple and convenient operation with only one hand, providing a convenient operation and enhancing the work efficiency.
    Type: Application
    Filed: April 23, 2010
    Publication date: October 27, 2011
    Inventor: Chi-Chen CHEN
  • Publication number: 20110222216
    Abstract: A handheld electronic device includes a main body and a cover. The main body has a bottom surface and a side surface adjacent to each other. A strap hole is formed in the side surface of the main body. A receiving slot and an observing opening are formed in the bottom surface. The observing opening is located at an edge of the bottom surface and is aligned and communicates with the strap hole. The cover is detachably disposed on the bottom surface to cover the receiving slot and the observing opening.
    Type: Application
    Filed: December 8, 2010
    Publication date: September 15, 2011
    Applicant: CORETRONIC CORPORATION
    Inventors: Chun-Ping Wang, Chi-Chen Chen
  • Publication number: 20100105065
    Abstract: The present invention provides a method for combining a fluid delivery system with an analysis system for performing immunological or other chemical of biological assays. The method comprises a miniature plastic fluidic cartridge containing a reaction chamber with a plurality of immobilized species, a capillary channel, and a pump structure along with an external linear actuator corresponding to the pump structure to provide force for the fluid delivery. The plastic fluidic cartridge can be configured in a variety of ways to affect the performance and complexity of the assay performed.
    Type: Application
    Filed: December 30, 2009
    Publication date: April 29, 2010
    Inventors: James Russell Webster, Ping Chang, Shaw-Tzuv Wang, Chi-Chen Chen, Rong-I Hong
  • Patent number: 7666687
    Abstract: A method for combining a fluid delivery system with an analysis system for performing immunological or other chemical of biological assays. The method includes a miniature plastic fluidic cartridge containing a reaction chamber with a plurality of immobilized species, a capillary channel, and a pump structure along with an external linear actuator corresponding to the pump structure to provide force for the fluid delivery. The plastic fluidic cartridge can be configured in a variety of ways to affect the performance and complexity of the assay performed.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: February 23, 2010
    Inventors: James Russell Webster, Ping Chang, Shaw-Tzuv Wang, Chi-Chen Chen, Rong-I Hong
  • Patent number: 7594550
    Abstract: A compact pneumatic hand tool having a cylinder assembly received in a space of a body, wherein, the bottom inlet opening of the cylinder assembly is communicated with the air inlet in the space, meanwhile, the rear inlet passage of the cylinder assembly is corresponded to the control knob mounting portion of the body. Moreover, a control knob is extended through the control knob mounting portion of body as well as the rear inlet passage of the cylinder assembly, and a rotor of the cylinder assembly is coupled with a second coupling portion of a striking assembly. In addition, the front opening of the body is covered with the front cap and a sealing pad is provided between the body and the front cap, meanwhile the central axle is extended out of the front cap.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: September 29, 2009
    Assignee: Year Congratulate Industrial Co., Ltd
    Inventor: Chi-Chen Chen
  • Patent number: 7458429
    Abstract: A compact pneumatic hand tool composed of a body, a cylinder assembly, a sealing pad, a striking assembly, a front cap, a control knob, a ventilation cap and threaded bolts. A first bearing is mounted around a rear end of the striking assembly and an outer rim of the first bearing is securely received in a central hole of the cylinder assembly. A second bearing is mounted on a central shaft of the rotor in the cylinder assembly. The control knob is mounted on the cylinder assembly. A front end of the central shaft of the striking assembly extends out of a front cap and the body is connected to the front cap via threaded bolts so that the striking assembly and the cylinder assembly are sealingly enclosed between the front cap and the body to accomplish the compact and light-weight requirements.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: December 2, 2008
    Assignee: Year Congratulate Industrial Co., Ltd.
    Inventor: Chi-Chen Chen
  • Patent number: 7455122
    Abstract: A compact pneumatic hand tool composed of a body, a cylinder assembly, a sealing pad, a striking assembly, a front cap, a control knob, a ventilation cap and threaded bolts. A first bearing is mounted around a rear end of the striking assembly and an outer rim of the first bearing is securely received in a central hole of the cylinder assembly. A second bearing is mounted on a central shaft of the rotor in the cylinder assembly. The control knob is mounted on the cylinder assembly. A front end of the central shaft of the striking assembly extends out of a front cap and the body is connected to the front cap via threaded bolts so that the striking assembly and the cylinder assembly are sealingly enclosed between the front cap and the body to accomplish the compact and light-weight requirements.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: November 25, 2008
    Assignee: Year Congratulate Industrial Co., Ltd
    Inventor: Chi-Chen Chen
  • Patent number: D656980
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: April 3, 2012
    Assignee: Optoma Corporation
    Inventors: Jung-Mao Liao, Chi-Chen Chen, Chia-Tien Chen