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).
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Patent number: 11048359Abstract: 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: GrantFiled: November 28, 2016Date of Patent: June 29, 2021Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.Inventors: Bangzi Xi, Dezhong Zhu
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Patent number: 10901533Abstract: 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: GrantFiled: November 28, 2016Date of Patent: January 26, 2021Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO LTD.Inventors: Bangzi Xi, Dezhong Zhu
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Patent number: 10802609Abstract: 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 externalType: GrantFiled: November 28, 2016Date of Patent: October 13, 2020Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTDInventors: Bangzi Xi, Dezhong Zhu
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Patent number: 10725602Abstract: 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: GrantFiled: July 17, 2017Date of Patent: July 28, 2020Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.Inventors: Bangzi Xi, Dezhong Zhu
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Patent number: 10678384Abstract: 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: GrantFiled: November 28, 2016Date of Patent: June 9, 2020Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.Inventors: Bangzi Xi, Dezhong Zhu
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Patent number: 10678349Abstract: 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: GrantFiled: July 17, 2017Date of Patent: June 9, 2020Assignee: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.Inventors: Bangzi Xi, Dezhong Zhu
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Publication number: 20200033963Abstract: 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 externalType: ApplicationFiled: August 12, 2019Publication date: January 30, 2020Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD.Inventors: Bangzi XI, Dezhong ZHU
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Publication number: 20190114009Abstract: 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: ApplicationFiled: July 17, 2017Publication date: April 18, 2019Applicant: Guangdong Zonghua Touch Control Technology Co., Ltd.Inventors: Bangzi XI, Dezhong ZHU
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Publication number: 20190056808Abstract: 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: ApplicationFiled: July 17, 2017Publication date: February 21, 2019Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO., LTD.Inventors: Bangzi XI, Dezhong ZHU
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Publication number: 20180267634Abstract: 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: ApplicationFiled: November 28, 2016Publication date: September 20, 2018Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .Inventors: Bangzi XI, Dezhong ZHU
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Publication number: 20180217685Abstract: 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 externalType: ApplicationFiled: November 28, 2016Publication date: August 2, 2018Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .Inventors: Bangzi XI, Dezhong ZHU
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Publication number: 20180113528Abstract: 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: ApplicationFiled: November 28, 2016Publication date: April 26, 2018Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTDInventors: Bangzi XI, Dezhong ZHU
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Publication number: 20180101272Abstract: 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: ApplicationFiled: November 28, 2016Publication date: April 12, 2018Applicant: GUANGDONG ZONGHUA TOUCH CONTROL TECHNOLOGY CO. LTD .Inventors: Bangzi XI, Dezhong ZHU
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Patent number: 7654860Abstract: 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: GrantFiled: March 23, 2006Date of Patent: February 2, 2010Assignee: Taiguen Technology (Shen Zhen) Co., Ltd.Inventors: Hsuan-ming Shih, Dezhong Zhu
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Publication number: 20080274647Abstract: 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: ApplicationFiled: March 23, 2006Publication date: November 6, 2008Inventors: Hsuan-ming Shih, Dezhong Zhu
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Publication number: 20080270647Abstract: 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: ApplicationFiled: March 22, 2006Publication date: October 30, 2008Applicant: TAIGUEN TECHNOLOGY (SHEN_ZHEN) CO., LTD.Inventors: Hsuanming Shih, Dezhong Zhu
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Publication number: 20080261441Abstract: 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: ApplicationFiled: March 23, 2006Publication date: October 23, 2008Inventors: Hsuan-ming Shih, Dezhong Zhu