Patents by Inventor Shi-Quan Lin
Shi-Quan Lin 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: 8488801Abstract: An audio compensation unit includes a detection subunit and a compensation subunit. The detection subunit is for detecting an audio signal to obtain an original frequency. The detection subunit defines a predetermined low frequency band and a predetermined high frequency band. The detection subunit is also for generating a first control signal when the original frequency is within the low frequency band, and a second control signal when the original frequency is within the high frequency band. The compensation subunit includes an electronic switch, a first compensation circuit, and a second compensation circuit. The electronic switch enables the first compensation circuit according to the first control signal, for compensating the audio signal. The electronic switch is further enables the second compensation circuit according to the second control signal, for compensating the audio signal.Type: GrantFiled: March 31, 2010Date of Patent: July 16, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventor: Shi-Quan Lin
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Patent number: 8428291Abstract: A speaker system includes an enclosure defining a resonance chamber, a loudspeaker received in the resonance chamber, and a sound wave reflecting member. The enclosure includes a front panel and a base. The loudspeaker is exposed at the front panel. The base includes a back panel facing the front panel, an inner tube, and an outer tube. The back panel defines a back bass port. The inner tube and the outer tube extend from the back panel and are received in the resonance chamber. The inner tube surrounds the back bass port. The outer tube surrounds the inner tube. The sound wave reflecting member is coupled with the outer tube and the inner tube. The sound wave reflecting member, the outer tube, and the inner tube cooperatively form a resonator. The resonator communicates with the resonance chamber and the back bass port.Type: GrantFiled: June 23, 2010Date of Patent: April 23, 2013Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Shi-Quan Lin, Te-Hua Lee
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Publication number: 20110243359Abstract: A speaker system includes an enclosure defining a resonance chamber, a loudspeaker received in the resonance chamber, and a sound wave reflecting member. The enclosure includes a front panel and a base. The loudspeaker is exposed at the front panel. The base includes a back panel facing the front panel, an inner tube, and an outer tube. The back panel defines a back bass port. The inner tube and the outer tube extend from the back panel and are received in the resonance chamber. The inner tube surrounds the back bass port. The outer tube surrounds the inner tube. The sound wave reflecting member is coupled with the outer tube and the inner tube. The sound wave reflecting member, the outer tube, and the inner tube cooperatively form a resonator. The resonator communicates with the resonance chamber and the back bass port.Type: ApplicationFiled: June 23, 2010Publication date: October 6, 2011Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: SHI-QUAN LIN, TE-HUA LEE
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Patent number: 7928606Abstract: An input device includes a power unit, a power switch unit, a processing unit, and an input unit. The power switch unit includes a first switch for supplying power to the processing unit when actuated; the input unit is connected with the processing unit and the power switch unit and is configured for generating input signals that is transmitted to the processing unit and further used for controlling the first switch; and the processing unit is configured for receiving the input signal from the input unit, keeping the first switch switched on during a time period, and performing a task corresponding to the input signal during the time period.Type: GrantFiled: May 25, 2007Date of Patent: April 19, 2011Assignees: Ensky Technology (Shenzhen) Co., Ltd., Ensky Technology Co., Ltd.Inventors: Shin-Hong Chung, Han-Che Wang, Bin-Gang Duan, Shi-Quan Lin, Kuan-Hong Hsieh
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Publication number: 20110044472Abstract: An audio compensation unit includes a detection subunit and a compensation subunit. The detection subunit is for detecting an audio signal to obtain an original frequency. The detection subunit defines a predetermined low frequency band and a predetermined high frequency band. The detection subunit is also for generating a first control signal when the original frequency is within the low frequency band, and a second control signal when the original frequency is within the high frequency band. The compensation subunit includes an electronic switch, a first compensation circuit, and a second compensation circuit. The electronic switch enables the first compensation circuit according to the first control signal, for compensating the audio signal. The electronic switch is further enables the second compensation circuit according to the second control signal, for compensating the audio signal.Type: ApplicationFiled: March 31, 2010Publication date: February 24, 2011Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.Inventor: SHI-QUAN LIN
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Patent number: 7755218Abstract: A capacitive touch switch and control device is provided. The capacitive touch switch and control device in one embodiment includes one or more capacitive sensor elements, one or more resistors, a capacitor, a capacitance/frequency converter, and an antenna including a positive branch and a negative branch. The positive branch and the negative branch synchronously and correspondingly receive a pair of signals from the microprocessor, the pair of signals each undergoing a 180 degree phase shift relative to the other, for shielding the noise acted on the capacitive sensor elements. When any of the capacitive sensor elements is touched, the capacitance/frequency converter outputs a frequency signal to the microprocessor, the microprocessor outputs a control signal that corresponds to the frequency signal to an electronic device to trigger corresponding operations of the electronic device.Type: GrantFiled: September 3, 2007Date of Patent: July 13, 2010Assignees: Ensky Technology (Shenzhen) Co., Ltd., Ensky Technology Co., Ltd.Inventors: Shi-Quan Lin, Bin-Gang Duan, Han-Che Wang
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Patent number: 7714848Abstract: A touch sensing apparatus includes: a differential signal source for generating two alternating current signals with same frequency and reverse phase; two conductors connected to a cathode output end and an anode output end of the differential signal source; a sensor for receiving a noise generated by a contact of an object; wherein the sensor and the two conductors form two simulated capacitors that result in offsetting environmental noise; a detector having a first input end and a second input end, the detector upon receiving the noise transferred from the sensor resulting in voltage differences between the first and second input ends thereof, and outputting a signal; and a rectifying circuit for rectifying the alternating current signals generated by the differential signal source and simultaneously generating a noise.Type: GrantFiled: July 3, 2006Date of Patent: May 11, 2010Assignees: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Shin-Hong Chung, Kuan-Hong Hsieh, Shi-Quan Lin
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Patent number: 7696986Abstract: A touch sensing apparatus is provided. The apparatus includes a flip-flop (15), a sensor (13), an AC signal (14), and a detector (16). The AC signal supplies AC signals to the flip-flop. The flip-flop outputs a first output signal at the output of flip-flop when the sensor is not touched. The sensor receives electricity signals from the object, and causes a delay of the AC signal inputted to the first input of the flip-flop, the delay of the AC signal to be inputted to the first input of the flip-flop further causes the flip-flop to output a second output signal at the output of the flip-flop. The detector detects a change from the first output signal to the second output signal at the output of the flip-flop and accordingly identifies a touch on the sensor.Type: GrantFiled: December 28, 2006Date of Patent: April 13, 2010Assignees: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Shi-Quan Lin, Shin-Hong Chung, Han-Che Wang, Kuan-Hong Hsieh, Xin Zhao
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Publication number: 20090323474Abstract: A sound source detecting device includes a number of sound wave detectors, a voltage comparator, and an analyzer. The sound wave detectors are positioned at different positions, and configured for detecting a sound wave, and each of the detectors produces an electrical signal associated to the sound wave detected by the detector and outputting the electrical signal. The voltage comparator is connected to the detectors and configured for receiving the electrical signals transmitted from the detectors and comparing the voltages of electrical signals to get the highest, second highest, and lowest voltages, then outputs a comparison result. The analyzer is connected to the voltage comparator and configured for identifying the position of a sound source producing the sound wave according to the comparison result transmitted from the voltage comparator and a predetermined principle stored in the analyzer, and then outputs an analyzing result indicating the direction of the sound source.Type: ApplicationFiled: June 20, 2009Publication date: December 31, 2009Applicants: HON HAI PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventor: SHI-QUAN LIN
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Patent number: 7602383Abstract: A preferred embodiment of the touch sensing apparatus includes one or more touch sensing units, a detector, and a signal processing unit. Each touch sensing unit comprises: a differential signal source for generating two signals which have a same frequency but reverse phases; and two sensors for receiving a touch signal of a user's finger. One sensor is connected to an anode of the differential signal source, and the other sensor is connected to a cathode of the differential signal source. The detector is for converting the received signal into a digital signal. An input terminal of the detector is connected to the sensors of each touch sensing unit. The signal processing unit is for determining which sensor is touched according to the frequency and phase of the signal output from the detector. The signal processing unit is connected to an output terminal of the detector. The touch sensing unit may further include a reference signal circuit.Type: GrantFiled: January 23, 2006Date of Patent: October 13, 2009Assignees: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Kuan-Hong Hsieh, Shi-Quan Lin, Han-Che Wang, Xiao-Guang Li
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Publication number: 20080173105Abstract: A capacitive pressure sensing device includes a capacitor, a capacitive pressure transducer, a resistor, a capacitance/frequency converter and a processor. The capacitive pressure transducer includes a metal sponge, a metal layer and a capacitive sensor element. The metal sponge is sandwiched between the metal layer and the capacitive sensor element. When an external force is applied to the metal layer, the metal sponge is compressed, and reduces a distance between the metal layer and the capacitive sensor element, the capacitive pressure transducer thus produces a variable capacitance value Ct. The total capacitance value at an input terminal of the capacitance/frequency converter is contributed by the capacitor and the capacitive pressure transducer. The capacitance/frequency output a control signal according to the total capacitance value to an electronic device to trigger a corresponding function.Type: ApplicationFiled: December 17, 2007Publication date: July 24, 2008Applicants: ENSKY TECHNOLOGY (SHENZHEN) CO., LTD., ENSKY TECHNOLOGY CO., LTD.Inventors: Han-Che Wang, Shi-Quan Lin, Kuan-Hong Hsieh, Xiao-Guang Li
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Publication number: 20080147770Abstract: An input device includes a power unit, a power switch unit, a processing unit, and an input unit. The power switch unit includes a first switch for supplying power to the processing unit when actuated; the input unit is connected with the processing unit and the power switch unit and is configured for generating input signals that is transmitted to the processing unit and further used for controlling the first switch; and the processing unit is configured for receiving the input signal from the input unit, keeping the first switch switched on during a time period, and performing a task corresponding to the input signal during the time period.Type: ApplicationFiled: May 25, 2007Publication date: June 19, 2008Applicants: ENSKY TECHNOLOGY (SHENZHEN) CO., LTD., ENSKY TECHNOLOGY CO., LTD.Inventors: Shin-Hong Chung, Han-Che Wang, Bin-Gang Duan, Shi-Quan Lin, Kuan-Hong Hsieh
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Publication number: 20080116050Abstract: A capacitive touch switch and control device is provided. The capacitive touch switch and control device in one embodiment includes one or more capacitive sensor elements, one or more resistors, a capacitor, a capacitance/frequency converter, and an antenna including a positive branch and a negative branch. The positive branch and the negative branch synchronously and correspondingly receive a pair of signals from the microprocessor, the pair of signals each undergoing a 180 degree phase shift relative to the other, for shielding the noise acted on the capacitive sensor elements. When any of the capacitive sensor elements is touched, the capacitance/frequency converter outputs a frequency signal to the microprocessor, the microprocessor outputs a control signal that corresponds to the frequency signal to an electronic device to trigger corresponding operations of the electronic device.Type: ApplicationFiled: September 3, 2007Publication date: May 22, 2008Applicants: ENSKY TECHNOLOGY (SHENZHEN) CO., LTD., ENSKY TECHNOLOGY CO., LTD.Inventors: Shi-Quan Lin, Bin-Gang Duan, Han-Che Wang
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Publication number: 20070226383Abstract: A touch sensing apparatus is provided. A preferred embodiment of a touch sensing apparatus includes a sensor (13), an MCU (15), and an integration circuit (14). The sensor is for receiving electricity signals from an object that touches the sensor. The MCU (Microcontrol Unit) has a signal output port A and a signal input port B. The signal input port is connected to the sensor. The integration circuit interposes between the signal output port and the signal input port of the MCU. The signal output port outputs AC signals to the signal input port through the integration circuit. The integration circuit prolongs active transition times of the AC signals, and the MCU identifies a touch on the sensor when the active transition times of the AC signals fall in a predetermined range and accordingly implements a predetermined function.Type: ApplicationFiled: December 28, 2006Publication date: September 27, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Shin-Hong Chung, Han-Che Wang, Shi-Quan Lin, Kuan-Hong Hsieh, Xin Zhao
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Publication number: 20070171209Abstract: A touch sensing apparatus is provided. The apparatus includes a flip-flop (15), a sensor (13), an AC signal (14), and a detector (16). The AC signal supplies AC signals to the flip-flop. The flip-flop outputs a first output signal at the output of flip-flop when the sensor is not touched. The sensor receives electricity signals from the object, and causes a delay of the AC signal inputted to the first input of the flip-flop, the delay of the AC signal to be inputted to the first input of the flip-flop further causes the flip-flop to output a second output signal at the output of the flip-flop. The detector detects a change from the first output signal to the second output signal at the output of the flip-flop and accordingly identifies a touch on the sensor.Type: ApplicationFiled: December 28, 2006Publication date: July 26, 2007Inventors: Shi-Quan Lin, Shin-Hong Chung, Han-Che Wang, Kuan-Hong Hsieh, Xin Zhao
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Publication number: 20070074915Abstract: A touch sensing apparatus includes: a differential signal source for generating two alternating current signals with same frequency and reverse phase; two conductors connected to a cathode output end and an anode output end of the differential signal source; a sensor for receiving a noise generated by a contact of an object; wherein the sensor and the two conductors form two simulated capacitors that result in offsetting environmental noise; a detector having a first input end and a second input end, the detector upon receiving the noise transferred from the sensor resulting in voltage differences between the first and second input ends thereof, and outputting a signal; and a rectifying circuit for rectifying the alternating current signals generated by the differential signal source and simultaneously generating a noise.Type: ApplicationFiled: July 3, 2006Publication date: April 5, 2007Inventors: Shin-Hong Chung, Kuan-Hong Hsieh, Shi-Quan Lin
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Publication number: 20070035312Abstract: A touch sensing apparatus includes a signal source for generating an alternating current signal, a conductor connected to the signal source, a sensor for receiving a noise generated by a contact of an object. The sensor together with the conductor form a simulated capacitor that results in alternating current signal flowing through the sensor when the sensor is contacted by the object. A detector has a first input end and a second input end. The detector results in voltage differences between the first and second input ends thereof when receiving the alternating current signal output from the sensor, and thus output a signal. A rectifying circuit is used for rectifying the alternating current signal generated by the signal source and simultaneously generating a noise. One end of the rectifier circuit is connected to the signal source and other end of the rectifier circuit is connected to the second input end of the detector.Type: ApplicationFiled: May 23, 2006Publication date: February 15, 2007Inventors: Kuan-Hong Hsieh, Shin-Hong Chung, Han-Che Wang, Shi-Quan Lin
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Patent number: 7170301Abstract: A touch sensing apparatus includes a signal source for generating an alternating current signal, a conductor connected to the signal source, a sensor for receiving a noise generated by a contact of an object. The sensor together with the conductor form a simulated capacitor that results in alternating current signal flowing through the sensor when the sensor is contacted by the object. A detector has a first input end and a second input end. The detector results in voltage differences between the first and second input ends thereof when receiving the alternating current signal output from the sensor, and thus output a signal. A rectifying circuit is used for rectifying the alternating current signal generated by the signal source and simultaneously generating a noise. One end of the rectifier circuit is connected to the signal source and other end of the rectifier circuit is connected to the negative power input end of the detector.Type: GrantFiled: May 23, 2006Date of Patent: January 30, 2007Assignee: Hong Fu Jin Precision Industry (Shen Zhen) Co., Ltd.Inventors: Kuan-Hong Hsieh, Shin-Hong Chung, Han-Che Wang, Shi-Quan Lin
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Publication number: 20060227119Abstract: A preferred embodiment of the touch sensing apparatus includes one or more touch sensing units, a detector, and a signal processing unit. Each touch sensing unit comprises: a differential signal source for generating two signals which have a same frequency but reverse phases; and two sensors for receiving a touch signal of a user's finger. One sensor is connected to an anode of the differential signal source, and the other sensor is connected to a cathode of the differential signal source. The detector is for converting the received signal into a digital signal. An input terminal of the detector is connected to the sensors of each touch sensing unit. The signal processing unit is for determining which sensor is touched according to the frequency and phase of the signal output from the detector. The signal processing unit is connected to an output terminal of the detector. The touch sensing unit may further include a reference signal circuit.Type: ApplicationFiled: January 23, 2006Publication date: October 12, 2006Inventors: Kuan-Hong Hsieh, Shi-Quan Lin, Han-Che Wang, Xiao-Guang Li
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Publication number: 20060214920Abstract: A preferred embodiment of a touch sensing apparatus includes a plurality of sensing units (10), and a plurality of grounding lines (205). Each sensing unit includes an antenna (201), a controlling circuit, a detector (203), and a feedback line (204). The antenna is for receiving a noise of a user's finger. The controlling circuit preferably includes a diode (2021) and a capacitor (2022). The diode is for filtering out a static electrical signal of the user's finger and attenuating the noise, and the capacitor(2022) is for attenuating the noise from the diode. The detector is for converting the noise into a digital signal, and transmitting the digital signal to an MCU (Microprogrammed Control Unit) (206). The feedback line forms a positive feedback circuit with the antenna, thereby improving the accuracy of sensitivity of the sensing unit. The grounding lines are for insulating the sensing units.Type: ApplicationFiled: October 27, 2005Publication date: September 28, 2006Inventors: Kuan-Hong Hsieh, Shi-Quan Lin, Han-Che Wang