Patents by Inventor Cheng Chen NIEH
Cheng Chen NIEH 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: 10852854Abstract: A control system for use in controlling operation of an electrical appliance, the system including: a processor module disposed inside of a housing of the electrical appliance, the processor module including at least one contactless-type sensor operably-connected with the processor module; an input control module including: an attachment element configured for releasably attaching the input control module to an outer surface of the housing; and at least one sensor-readable element configured for contactless-interaction with the contactless-type sensor.Type: GrantFiled: March 27, 2019Date of Patent: December 1, 2020Assignees: Defond Electech Co., Ltd, Defond Components LimitedInventors: Cheng Chen Nieh, Kai Kei Poon, Ka Leung Luk
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Patent number: 10848084Abstract: An electrical switch unit for use with an electrical device to control operation of a DC motor of the electrical device, the electrical switch unit comprising: a housing which houses a pair of electrical switching contacts, and, an actuator operably connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative to the pair of electrical switching contacts so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts, and, an opened configuration wherein power is not able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts; a signaling module associated with the electrical switch unit comprising signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or positType: GrantFiled: August 11, 2018Date of Patent: November 24, 2020Assignees: Defond Electech Co., Ltd., Defond Components LimitedInventors: Cheng Chen Nieh, Wai Man Wong, Ming Leong Kong, Pat On Kwok
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Publication number: 20200328606Abstract: A wireless charging device with a detachable base, which comprises a base and a power supply device detachably connected to the base. The base is provided with a wireless charging module, and the power supply device is internally provided with a power supply and is further provided with a first electrical connection part electrically connected to the power supply. The base is provided with a second electrical connection part which is matched with the first electrical connection part and electrically connected to the wireless charging module. When the base is connected to the power supply device, the first electrical connection part is conductive with the second electrical connection part. The wireless charging device with a detachable can be used to wirelessly charge electronic devices needing different charging powers by means of power supply devices of different specifications.Type: ApplicationFiled: March 16, 2020Publication date: October 15, 2020Inventors: Cheng Chen Nieh, Wai Cheong Wilson Chu, Sen Xian Fang
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Publication number: 20200272247Abstract: A control knob for controlling operation of a machine, the control knob including: an attachment surface configured for attaching the control knob to a surface of the machine; a display member comprising an electronic display module disposed thereon; a motion sensor configured for sensing motion of the user's hand, said sensor being operably-connected to the display member such that, responsive to the motion sensor sensing motion of the user's hand, the display member is configured to switch operation from a sleep mode into an active mode; an operational mode display controller for controlling display of operational modes of the machine upon the electronic display module, said operational mode display controller being configured for rotational movement around the electronic display module amongst a plurality of rotational positions, said operational mode display controller being operably connected with the electronic display module such that, responsive to the rotational movement of the operational mode displType: ApplicationFiled: February 10, 2020Publication date: August 27, 2020Inventors: Cheng Chen NIEH, Chi Ming LAI
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Publication number: 20200228118Abstract: A touch control human-machine interface for use in controlling operation of a machine, said interface including: an interface housing; a cover plate disposed on an outer-surface of the housing, said cover plate having a first electrically-conductive portion configured for touch interaction by a user's finger; a circuit assembly disposed within the housing, said circuit assembly including a circuit board having a second electrically-conductive portion and a light illumination module operably-connected thereto; a spacer element disposed between and separating the first conductive portion from the second conductive portion such that the first conductive portion, the second conductive portion and the spacer element are configured to form a capacitor device that is operably-connected with the circuit assembly; said first electrically-conductive portion being configured for deformation by the user's finger so as to cause a change in capacitance across the capacitor device, and whereby responsive to said change in cType: ApplicationFiled: November 13, 2019Publication date: July 16, 2020Inventors: CHENG CHEN NIEH, Kai Kei Poon, Yiu Cho Yuen
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Publication number: 20200119552Abstract: A control system for use in controlling operation of an electrical appliance, the control system including: an electrical appliance housing having disposed therein: a control module; and a power source; a control knob including: an attachment element configured for releasably attaching the control knob to an outer surface of the housing; and an input/output module; a wireless power transfer system configured for wirelessly transferring power from the power source through the electrical appliance housing and to the input/output module for use in powering the input/output module; and a wireless control signaling module configured for wirelessly communicating a control signal from the control knob through the housing to the control module within the electrical appliance housing, said control signal received by the control module being indicative of a an operational position or operational state of the control knob, and whereby said control module is configured for controlling operation of the electrical appliancType: ApplicationFiled: October 8, 2019Publication date: April 16, 2020Inventors: CHENG CHEN NIEH, Kai Kei POON, Kwok Hang LEUNG, Man Kit MOK, Ka Shing Anthony YUEN
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Patent number: 10591949Abstract: A transducer device including: a base platform; an annular support member mounted on a surface of the base platform, the annular support member having a first opening positioned adjacent the surface of the base platform and a second opening positioned away from the surface of the base platform along a rotation axis; an inner shaft mounted relative to the base platform and configured to extend away from the second opening of the annular support member and rotate relative to the annular support member about the rotation axis; an inner shaft detent mechanism located at least partially within the annular support member configured for releasably securing the inner shaft in a plurality of rotational positions corresponding to each of a plurality of detent positions of the inner shaft detent mechanism as the inner shaft is rotated about the rotation axis; an outer shaft including a passage extending along an elongate axis thereof configured for receiving the inner shaft therein so that the inner shaft and outer shafType: GrantFiled: August 20, 2018Date of Patent: March 17, 2020Assignees: Defond Components Limited, Defond Electech Co., Ltd.Inventors: Cheng Chen Nieh, Hoi Him Ko
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Publication number: 20190302904Abstract: A control system for use in controlling operation of an electrical appliance, the system including: a processor module disposed inside of a housing of the electrical appliance, said processor module including at least one contactless-type sensor operably-connected with the processor module; an input control module including: an attachment element configured for releasably attaching the input control module to an outer surface of the housing; and at least one sensor-readable element configured for contactless-interaction with the contactless-type sensor; wherein said at least one sensor-readable element of the input control module is configured for movement into a plurality of different positions relative to the at least one contactless-type sensor of the processor module disposed inside the housing, whereby responsive to said movement of the at least one sensor-readable element into the plurality of different positions relative to the at least one contactless-type sensor, the contactless-type sensor is configType: ApplicationFiled: March 27, 2019Publication date: October 3, 2019Inventors: Cheng Chen NIEH, Kai Kei POON, Ka Leung LUK
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Publication number: 20190157019Abstract: An electrical switch unit for use in controlling operation of an electrical device, the electrical switch unit including: an electrical switch unit housing for housing at least a pair of electrical switching contacts of the electrical switch unit, said electrical switch unit housing including a first housing member and a second housing member that are configured for attachment together at peripheral regions of the first and second housing members so as to cooperatively form an enclosed space for housing the pair of electrical switching contacts therein; an actuator member operably-connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative inwardly and outwardly of an opening in the electrical switch unit housing so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from a power source to motor or other electrically-operable element of the electrical device viType: ApplicationFiled: November 5, 2018Publication date: May 23, 2019Inventors: Wai Man WONG, Ming Leong KONG, Cheng Chen NIEH
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Publication number: 20190086945Abstract: A transducer device including: a base platform; an annular support member mounted on a surface of the base platform, the annular support member having a first opening positioned adjacent the surface of the base platform and a second opening positioned away from the surface of the base platform along a rotation axis; an inner shaft mounted relative to the base platform and configured to extend away from the second opening of the annular support member and rotate relative to the annular support member about the rotation axis; an inner shaft detent mechanism located at least partially within the annular support member configured for releasably securing the inner shaft in a plurality of rotational positions corresponding to each of a plurality of detent positions of the inner shaft detent mechanism as the inner shaft is rotated about the rotation axis; an outer shaft including a passage extending along an elongate axis thereof configured for receiving the inner shaft therein so that the inner shaft and outer shafType: ApplicationFiled: August 20, 2018Publication date: March 21, 2019Inventors: Cheng Chen Nieh, Hoi Him Ko
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Publication number: 20190089277Abstract: An electrical switch unit for use with an electrical device to control operation of a DC motor of the electrical device, the electrical switch unit comprising: a housing which houses a pair of electrical switching contacts, and, an actuator operably connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative to the pair of electrical switching contacts so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts, and, an opened configuration wherein power is not able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts; a signaling module associated with the electrical switch unit comprising signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or positType: ApplicationFiled: August 11, 2018Publication date: March 21, 2019Inventors: Cheng Chen NIEH, Wai Man WONG, Ming Leong KONG, Pat On KWOK
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Publication number: 20190084144Abstract: A control assembly for controlling operation of an electric device having an electric motor, the control assembly including: a force sensor; an actuator configured for movement relative to the force sensor between at least one of a first relative position and a second relative position so as to apply at least one of a first amount of force and a second amount of force against the force sensor; and a control module configured for receiving from the force sensor at least a first signal indicative of a first amount of force and a second signal indicative of a second amount of force being applied against the force sensor by the actuator, wherein, the control module is configured for outputting control signals for controlling a speed of the electric motor by reference to the first amount of force and the second amount of force indicated by the received first and second signals.Type: ApplicationFiled: August 31, 2018Publication date: March 21, 2019Inventors: Cheng Chen Nieh, Man Kit Mok, Kwok Hang Leung, Ka Leung Chan
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Publication number: 20180175647Abstract: A battery pack system for use in connecting a battery pack to a battery pack receiving member of a machine so that the battery pack is operable to supply a suitable amount of power to the machine for operation of the machine via an electrical circuit path that is configurable for electrically connecting the battery pack to the machine, the system including: a first electrical connector member disposed along a first region of the electrical circuit path; and a second electrical connector member; wherein, responsive to the battery pack being connected to the battery pack receiving member of the machine, the second electrical connector member is configured for movement relative to the first electrical connector member to cooperatively form a first configuration which electrically closes the electrical circuit path via which the suitable amount of power is able to be supplied from the battery pack to the machine; and wherein, responsive to the battery pack being disconnected from the battery pack receiving memberType: ApplicationFiled: November 8, 2017Publication date: June 21, 2018Inventors: Tak Chuen OR, Cheng Chen NIEH, Kin Yu WONG