Patents by Inventor Dezhong Zhu

Dezhong Zhu 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).

  • Patent number: 11048359
    Abstract: A variable-capacitance pressure sensor and a real-handwriting stylus. The variable-capacitance pressure sensor includes a pressure variable capacitor and a pressure touch switch, and has pressure detection function. The real-handwriting stylus includes a real-handwriting optical stylus and a real-handwriting electromagnetic stylus, and has pressure sensing function and writing effect of real handwriting.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: June 29, 2021
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.
    Inventors: Bangzi Xi, Dezhong Zhu
  • Patent number: 10901533
    Abstract: A real handwriting stylus and a touch device, the stylus possesses multiple touch modes, it includes an electromagnetic mode stylus, a first capacitive mode stylus, a second capacitive mode stylus, a third capacitive mode stylus, a first electromagnetic and capacitive dual modes stylus, a second electromagnetic capacitive dual modes stylus and a third electromagnetic and capacitive dual modes stylus. The touch device possesses multiple stylus function modes and touch modules, and it includes an electromagnetic mode touch device, a first capacitive mode touch device, a second capacitive mode touch device, a third capacitive mode touch device, a first electromagnetic and capacitive dual modes touch device, a second electromagnetic and capacitive dual modes touch device and a third electromagnetic and capacitive dual modes touch device.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: January 26, 2021
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO LTD.
    Inventors: Bangzi Xi, Dezhong Zhu
  • Patent number: 10802609
    Abstract: A real handwriting stylus and a touch device, including: a stylus shell and a battery, stylus system circuit, touch pressure sensitive components and touch module inside the shell, the components including: a nib, nib touch switch and nib pressure inductor; the circuit including: a charging circuit, power control and shutdown delay circuit, power voltage conversion circuit, function keys, RF modulating and RF transceiver circuit and a signal generating circuit; the RF circuit connects with the inductor and function keys, acquiring the nib pressure, function key, and RF modulation signals; the RF circuit can receive frequency hopping command RF signals of the touch component, then output frequency-hopping signals to the signal generating circuit, acquiring the frequency-hopping signals to proceed frequency hopping operation, therefore the stylus and the touch device have very strong anti-interference features, and the real handwriting written effects, the function keys can define any shortcut keys on external
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: October 13, 2020
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD
    Inventors: Bangzi Xi, Dezhong Zhu
  • Patent number: 10725602
    Abstract: An array encoding magnetic signal positioning sensing device, including a sensing component and a control circuit connected with the sensing component, wherein the sensing component has a horizontal encoding array and a vertical encoding array which is vertical to the horizontal encoding array, and the horizontal encoding array and the vertical encoding array are both composed of magnetic signal sensing coil units; wherein the horizontal encoding array is composed of more than one horizontal magnetic signal sensing coil unit; and the vertical encoding array is composed of more than one vertical magnetic signal sensing coil unit; wherein the horizontal magnetic signal sensing coil unit is formed by at least two horizontal magnetic sensing coils which are connected in series via a differential line; and the vertical magnetic sensing coil unit is formed by at least two horizontal magnetic sensing coils which are connected in series via a differential line.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 28, 2020
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.
    Inventors: Bangzi Xi, Dezhong Zhu
  • Patent number: 10678384
    Abstract: A variable array dual-function touch sensor, dual-function touch control detection system, dual-function touch module and display device with a dual-function touch module. The sensor includes a variable array dual-function touch sensing antenna array, including first and second-direction antenna array sets. The first set includes more than two parallel first-direction transparent electric conductors; the second set includes more than two parallel second-direction transparent electric conductors. The conductors are formed by a continuous metal net composed of very fine metal wires, tin doped indium oxide, or nanometer silver filaments. The system includes a touch main control board, first and second array switches, the board including an electromagnetic-capacitive switching circuit, capacitive touch signal scanning detection circuit, electromagnetic touch signal scanning detection circuit and processor.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: June 9, 2020
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.
    Inventors: Bangzi Xi, Dezhong Zhu
  • Patent number: 10678349
    Abstract: A handwriting input device, including a display component, a magnetic signal sensing component arranged at a random position on the display component, and a magnetic signal output component arranged corresponding to the sensing component, wherein the display component, the sensing component and the output component are all arranged in a shell, and the shell is further includes a mainboard, wherein the sensing component includes a sensing element and a detection control circuit connected with the sensing element; the sensing element includes a horizontal and a vertical encoding array; and both the horizontal and the vertical encoding arrays consist of magnetic signal sensing coil units. The handwriting input device aims at solving the problems of long detection time, slow reaction speed, low positioning sensing precision, big long-distance movement accumulative error and complicated device of the magnetic sensing devices in the prior art.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 9, 2020
    Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.
    Inventors: Bangzi Xi, Dezhong Zhu
  • Publication number: 20200033963
    Abstract: A real handwriting stylus and a touch device, including: a stylus shell and a battery, stylus system circuit, touch pressure sensitive components and touch module inside the shell, the components including: a nib, nib touch switch and nib pressure inductor; the circuit including: a charging circuit, power control and shutdown delay circuit, power voltage conversion circuit, function keys, RF modulating and RF transceiver circuit and a signal generating circuit; the RF circuit connects with the inductor and function keys, acquiring the nib pressure, function key, and RF modulation signals; the RF circuit can receive frequency hopping command RF signals of the touch component, then output frequency-hopping signals to the signal generating circuit, acquiring the frequency-hopping signals to proceed frequency hopping operation, therefore the stylus and the touch device have very strong anti-interference features, and the real handwriting written effects, the function keys can define any shortcut keys on external
    Type: Application
    Filed: August 12, 2019
    Publication date: January 30, 2020
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20190114009
    Abstract: An array encoding magnetic signal positioning sensing device, including a sensing component and a control circuit connected with the sensing component, wherein the sensing component has a horizontal encoding array and a vertical encoding array which is vertical to the horizontal encoding array, and the horizontal encoding array and the vertical encoding array are both composed of magnetic signal sensing coil units; wherein the horizontal encoding array is composed of more than one horizontal magnetic signal sensing coil unit; and the vertical encoding array is composed of more than one vertical magnetic signal sensing coil unit; wherein the horizontal magnetic signal sensing coil unit is formed by at least two horizontal magnetic sensing coils which are connected in series via a differential line; and the vertical magnetic sensing coil unit is formed by at least two horizontal magnetic sensing coils which are connected in series via a differential line.
    Type: Application
    Filed: July 17, 2017
    Publication date: April 18, 2019
    Applicant: Guangdong Zonghua Touch Control Technology Co., Ltd.
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20190056808
    Abstract: A handwriting input device, including a display component, a magnetic signal sensing component arranged at a random position on the display component, and a magnetic signal output component arranged corresponding to the sensing component, wherein the display component, the sensing component and the output component are all arranged in a shell, and the shell is further includes a mainboard, wherein the sensing component includes a sensing element and a detection control circuit connected with the sensing element; the sensing element includes a horizontal and a vertical encoding array; and both the horizontal and the vertical encoding arrays consist of magnetic signal sensing coil units. The handwriting input device aims at solving the problems of long detection time, slow reaction speed, low positioning sensing precision, big long-distance movement accumulative error and complicated device of the magnetic sensing devices in the prior art.
    Type: Application
    Filed: July 17, 2017
    Publication date: February 21, 2019
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20180267634
    Abstract: A real handwriting stylus and a touch device, the stylus possesses multiple touch modes, it includes an electromagnetic mode stylus, a first capacitive mode stylus, a second capacitive mode stylus, a third capacitive mode stylus, a first electromagnetic and capacitive dual modes stylus, a second electromagnetic capacitive dual modes stylus and a third electromagnetic and capacitive dual modes stylus. The touch device possesses multiple stylus function modes and touch modules, and it includes an electromagnetic mode touch device, a first capacitive mode touch device, a second capacitive mode touch device, a third capacitive mode touch device, a first electromagnetic and capacitive dual modes touch device, a second electromagnetic and capacitive dual modes touch device and a third electromagnetic and capacitive dual modes touch device.
    Type: Application
    Filed: November 28, 2016
    Publication date: September 20, 2018
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20180217685
    Abstract: A real handwriting stylus and a touch device, including: a stylus shell and a battery, stylus system circuit, touch pressure sensitive components and touch module inside the shell, the components including: a nib, nib touch switch and nib pressure inductor; the circuit including: a charging circuit, power control and shutdown delay circuit, power voltage conversion circuit, function keys, RF modulating and RF transceiver circuit and a signal generating circuit; the RF circuit connects with the inductor and function keys, acquiring the nib pressure, function key, and RF modulation signals; the RF circuit can receive frequency hopping command RF signals of the touch component, then output frequency-hopping signals to the signal generating circuit, acquiring the frequency-hopping signals to proceed frequency hopping operation, therefore the stylus and the touch device have very strong anti-interference features, and the real handwriting written effects, the function keys can define any shortcut keys on external
    Type: Application
    Filed: November 28, 2016
    Publication date: August 2, 2018
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20180113528
    Abstract: A variable array dual-function touch sensor, dual-function touch control detection system, dual-function touch module and display device with a dual-function touch module. The sensor includes a variable array dual-function touch sensing antenna array, including first and second-direction antenna array sets. The first set includes more than two parallel first-direction transparent electric conductors; the second set includes more than two parallel second-direction transparent electric conductors. The conductors are formed by a continuous metal net composed of very fine metal wires, tin doped indium oxide, or nanometer silver filaments. The system includes a touch main control board, first and second array switches, the board including an electromagnetic-capacitive switching circuit, capacitive touch signal scanning detection circuit, electromagnetic touch signal scanning detection circuit and processor.
    Type: Application
    Filed: November 28, 2016
    Publication date: April 26, 2018
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD
    Inventors: Bangzi XI, Dezhong ZHU
  • Publication number: 20180101272
    Abstract: A variable-capacitance pressure sensor and a real-handwriting stylus. The variable-capacitance pressure sensor includes a pressure variable capacitor and a pressure touch switch, and has pressure detection function. The real-handwriting stylus includes a real-handwriting optical stylus and a real-handwriting electromagnetic stylus, and has pressure sensing function and writing effect of real handwriting.
    Type: Application
    Filed: November 28, 2016
    Publication date: April 12, 2018
    Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .
    Inventors: Bangzi XI, Dezhong ZHU
  • Patent number: 7654860
    Abstract: A signal transmission wire with audio interface and USB interface, the wire is a four-core connection wire, one end of which is connected to a USB interface, the other end of which is connected to a dual-track audio interface; the four-core signal connection wire is further provided with a winder, the winder is a box, and a bobbin for intertwining the four-core connection wire is pivotally jointed in its cavity; two opening holes are set on the surface of the winder; the double ends of the four-core connection wire pass through the two opening holes respectively; the wire of the four-core connection wire is winded on the bobbin.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: February 2, 2010
    Assignee: Taiguen Technology (Shen Zhen) Co., Ltd.
    Inventors: Hsuan-ming Shih, Dezhong Zhu
  • Publication number: 20080274647
    Abstract: A USB data-audio signal multiplexing transmission line includes a USB connector and an audio connector on two ends and a transmission wire for connecting a play device to another external data storage device or processing device to make data exchange or output audio signal. An audio connecting plug set on the audio connector is divided into four electric independent segments which are two audio signal connecting ends, an audio ground connecting end and a control signal connecting end in turn. The two audio signal connecting ends of the audio connecting plug are connected to the two data signal connecting ends of the USB connecting plug, the ground connecting end of the audio connecting plug is connected to a ground connecting end of the USB connecting plug, the control signal end of the audio connecting plug is connected to a power end of the USB connecting plug.
    Type: Application
    Filed: March 23, 2006
    Publication date: November 6, 2008
    Inventors: Hsuan-ming Shih, Dezhong Zhu
  • Publication number: 20080270647
    Abstract: The present invention relates to a playing storage apparatus whose body is provided with a signal I/O connector and a controlling key. The controlling circuit in the body comprises an audio output circuit connected with the data process circuit, a data I/O interface circuit and a controlling key. The data I/O interface circuit is a USB interface circuit. The body is only provided with a signal connector. The connector has four wires, wherein first signal connecting end and second signal connecting end are connected to the first audio signal wire connecting end and the second audio signal wire connecting end of the audio output circuit, and to the first signal wire connecting end and the second USB signal wire connecting end of the USB interface circuit by a switching module. The third grounding connecting end, the forth signal wire is a controlling connecting end, which is connected to the power of the controlling circuit and is multiplexed with the USB power wire of the USB interface circuit.
    Type: Application
    Filed: March 22, 2006
    Publication date: October 30, 2008
    Applicant: TAIGUEN TECHNOLOGY (SHEN_ZHEN) CO., LTD.
    Inventors: Hsuanming Shih, Dezhong Zhu
  • Publication number: 20080261441
    Abstract: A signal transmission wire with audio interface and USB interface, the wire is a four-core connection wire, one end of which is connected to a USB interface, the other end of which is connected to a dual-track audio interface; the four-core signal connection wire is further provided with a winder, the winder is a box, and a bobbin for intertwining the four-core connection wire is pivotally jointed in its cavity; two opening holes are set on the surface of the winder; the double ends of the four-core connection wire pass through the two opening holes respectively; the wire of the four-core connection wire is winded on the bobbin.
    Type: Application
    Filed: March 23, 2006
    Publication date: October 23, 2008
    Inventors: Hsuan-ming Shih, Dezhong Zhu