Patents by Inventor Wen-Lin Chen
Wen-Lin 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).
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Publication number: 20100289119Abstract: According to the preferred embodiment, an integrated capacitor having a key-shaped structure is provided. The integrated capacitor comprises a first pair of key-shaped metal patterns and a second pair of key-shaped metal patterns. The first pair of key-shaped metal patterns engages with the second pair of key-shaped metal patterns, and a dielectric layer is situated therebetween.Type: ApplicationFiled: July 29, 2010Publication date: November 18, 2010Inventors: Tao Cheng, Wen-Lin Chen
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Publication number: 20100044833Abstract: According to the preferred embodiment, an integrated capacitor having a comb-meander structure is provided. The integrated capacitor comprises a first comb-shaped metal pattern; a second comb-shaped metal pattern interdigitating with the first comb-shaped metal pattern; and a meandering metal pattern traversing a spacing between the first and second comb-shaped metal patterns.Type: ApplicationFiled: August 25, 2008Publication date: February 25, 2010Inventors: Tao Cheng, Wen-Lin Chen
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Patent number: 7629752Abstract: A light source driving device is for driving a plurality of light sources of a light source module (12), and comprises an inverter circuit (11), a current sampling circuit (13) and a PWM controller (14). The inverter circuit converts a received DC signal to an electrical signal adapted for driving the light sources. The current sampling circuit for sampling current flowing through the inverter circuit, comprises an impedance detecting component (Z11) and an amplifying circuit (132), the impedance detecting component detects the current from the inverter circuit, the amplifying circuit is connected to the impedance detecting component for amplifying the current signal. The PWM controller is connected to the current sampling circuit for receiving the amplified current signal output from the current sampling circuit, and generating a control signal to the inverter circuit to control output thereof.Type: GrantFiled: April 3, 2008Date of Patent: December 8, 2009Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Tzu-Chiang Mi, Chih-Chan Ger, Wen-Lin Chen
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Publication number: 20090296313Abstract: A capacitor structure includes: a first metal layer including: a first frame structure including a first main frame and at least a first frame strip coupled to the first main frame for separating the first main frame to a plurality of first frame sections; and a plurality of first strips, each of the plurality of first strips positioned and isolated in one of the plurality of first frame sections; a second metal layer including: a second frame structure including a second main frame and at least a second frame strip coupled to the second main frame for separating the second main frame to a plurality of second frame sections; and a plurality of second strips, each of the plurality of second strips positioned and isolated in one of the plurality of second frame sections; and a dielectric layer, formed between the first metal layer and the second metal layer.Type: ApplicationFiled: May 29, 2008Publication date: December 3, 2009Inventors: Chih-Jung Chiu, Wen-Lin Chen
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Publication number: 20090295763Abstract: A display driving circuit includes a temperature compensation adjustment circuit, a control circuit, a full bridge circuit, and a transformation circuit. The temperature compensation adjustment circuit provides a current signal for the control circuit. The value of the current signal changes along with environment temperature changes. The control circuit controls the full bridge circuit based on the current signal. An output voltage signal of the full bridge circuit decreases as the current signal increases, and when the environment temperature decreases. The transformation circuit amplifies the output voltage signal of the full bridge circuit to drive a display.Type: ApplicationFiled: August 19, 2008Publication date: December 3, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHIH-CHAN GER, WEN-LIN CHEN
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Patent number: 7550929Abstract: A power system for driving plural or multiple lamps includes a transformer circuit, a filter and steady-flow circuit, and a light source. The transformer circuit transforms a voltage level of an input AC signal, and includes a first output end for outputting a first AC signal, and a second output end for outputting a second AC signal. The first and second AC signals are opposite in phase. The filter and steady-flow circuit includes a first plurality of filter and steady-flow units connected to the first output end for suppressing harmonic signals of the first AC signal and outputting a plurality of third AC signals. The light source has a first plurality of lamps, each of which having one end connected to one of a respective one of the first plurality of filter and steady-flow units so as to be driven by a respective one of the third AC signals.Type: GrantFiled: April 8, 2006Date of Patent: June 23, 2009Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Chih-Chan Ger, Wen-Lin Chen
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Patent number: 7505790Abstract: The present invention discloses an antenna diversity switch, used for receiving and transmitting RF signals for dual-mode co-existence wireless communication system. The antenna diversity switch comprises a first transmitting port; a second transmitting port; a receiving port; a first control unit, electrically connected between the first transmitting port and a first antenna; a second control unit, electrically connected between the first transmitting port and a second antenna; a third control unit, electrically connected between the second transmitting port and the first antenna; a forth control unit, electrically connected between the second transmitting port and the second antenna; a fifth control unit, electrically connected between the receiving port and the first antenna; a sixth control unit, electrically connected between the receiving port and the second antenna. The antenna diversity switch according to the present invention meets the requirement of IEEE 802.Type: GrantFiled: June 7, 2005Date of Patent: March 17, 2009Assignees: Integrated Systems Solution Corp.Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Yi-Yu Lu, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen
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Patent number: 7444167Abstract: The present invention discloses a dual-band RF transceiver. The transceiver comprises a first module, used as the RF front-end of the dual-band transceiver and used for receiving and transmitting a first RF signal and a second RF signal; a second module, electrically connected to the first module, used as the IF IQ modulator/demodulator of the dual-band RF transceiver; a third module, electrically connected to the first and the second modules, used as the tripe-band phase-locked frequency synthesizer of the dual-band RF transceiver and used for providing a first local oscillating signal and a second local oscillating signal to the first module, and a third local oscillating signal to the second module. The dual-band RF transceiver according to the present invention realizes the dual-band triple-mode operation of IEEE802.11 a/b/g by a single dual-band RF module, and therefore the circuit size, power dissipation, component count, and cost can be dramatically reduced.Type: GrantFiled: June 10, 2005Date of Patent: October 28, 2008Assignees: Integrated System Solution Corp.Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Cheng-Hua Tsai, Chin-Hung Chien, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen
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Publication number: 20080252226Abstract: A light source driving device includes a power stage circuit, a first transformer circuit, a second transformer circuit, and a feedback control circuit. The power stage circuit converts a received signal to an alternating current (AC) signal, which includes a synchronizing switching bridge arm, a first bridge arm, and a second bridge arm. The synchronizing switching bridge arm has a Soft-Switching function, and forms a first full-bridge circuit with the first bridge arm and forms a second full-bridge circuit with the second bridge arm. The first transformer circuit is connected to the first full-bridge circuit, for converting the AC signal. The second transformer circuit is connected to the second full-bridge circuit, for converting the AC signal. The feedback control circuit is connected between the light source module and the power stage circuit, for controlling output of the power stage circuit.Type: ApplicationFiled: December 21, 2007Publication date: October 16, 2008Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHIH-CHAN GER, WEN-LIN CHEN
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Publication number: 20080246420Abstract: A light source driving device is for driving a plurality of light sources of a light source module (12), and comprises an inverter circuit (11), a current sampling circuit (13) and a PWM controller (14). The inverter circuit converts a received DC signal to an electrical signal adapted for driving the light sources. The current sampling circuit for sampling current flowing through the inverter circuit, comprises an impedance detecting component (Z11) and an amplifying circuit (132), the impedance detecting component detects the current from the inverter circuit, the amplifying circuit is connected to the impedance detecting component for amplifying the current signal. The PWM controller is connected to the current sampling circuit for receiving the amplified current signal output from the current sampling circuit, and generating a control signal to the inverter circuit to control output thereof.Type: ApplicationFiled: April 3, 2008Publication date: October 9, 2008Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Tzu-Chiang Mi, Chih-Chan Ger, Wen-Lin Chen
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Patent number: 7291987Abstract: A power supply system for powering backlight lamps in a flat panel display with reduced dimensions and increased power efficiency. The power supply system includes a converter circuit for converting an alternating current (AC) signal from an AC power source to a high direct current (DC) signal, and a high voltage (HV) inverter system that includes a power stage circuit, a transformer circuit, and a current balance circuit. The HV inverter system is coupled to the converter circuit and specifically configured to convert the high DC signal into an AC output signal to power the backlight lamps.Type: GrantFiled: June 17, 2005Date of Patent: November 6, 2007Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: A-Jung Chang, Wen-Lin Chen, Chen-An Chiang, Hui-Chen Chou, Yi-Cheng Liu
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Patent number: 7211960Abstract: A burglar-proof wireless light adjusting module is provided wherein a transmission socket of a control module is connected with a lamp and a local power, respectively, whereas a control socket at the other end is connected with a conventional switch. When the switch is turned on or off, a micro processor transmits a signal of lightening status of a corresponding light bulb to a driving circuit, generates a corresponding control circuit through the driving circuit, to enable the light bulb to generate a continuously changing status of lightening and extinguishing, a status of lightening and extinguishing according to a random time, and a constant brightness, after receiving a status of open circuit and short-circuit, corresponding to various times of status of turning on and off, from the control socket.Type: GrantFiled: March 25, 2005Date of Patent: May 1, 2007Assignee: Arc Technology Co., Ltd.Inventor: Wen-Lin Chen
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Patent number: 7193477Abstract: The present invention discloses a gain amplifier, capable of concurrently operating at three different frequency bands. The gain amplifier comprises an amplification stage for amplifying a signal applied to an input of the amplifier and a triple-band resonance load connected between a DC bias voltage and a DC bias input of the amplification stage. The triple-band resonance load uses a set of reactive elements to provide match in a first frequency band, a second frequency band and in a third frequency band, such as at 2.4 GHz, 5.8 GHz and 9.0 GHz. According to the gain amplifier of the present invention, it can effectively provide triple-band signal amplification and in-band interference suppression for various multi-standard coexist communication systems.Type: GrantFiled: June 8, 2005Date of Patent: March 20, 2007Assignee: Integrated System Solution Corp.Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen
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Publication number: 20070046218Abstract: A power system for driving plural or multiple lamps includes a transformer circuit, a filter and steady-flow circuit, and a light source. The transformer circuit transforms a voltage level of an input AC signal, and includes a first output end for outputting a first AC signal, and a second output end for outputting a second AC signal. The first and second AC signals are opposite in phase. The filter and steady-flow circuit includes a first plurality of filter and steady-flow units connected to the first output end for suppressing harmonic signals of the first AC signal and outputting a plurality of third AC signals. The light source has a first plurality of lamps, each of which having one end connected to one of a respective one of the first plurality of filter and steady-flow units so as to be driven by a respective one of the third AC signals.Type: ApplicationFiled: April 8, 2006Publication date: March 1, 2007Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHIH-CHAN GER, WEN-LIN CHEN
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Publication number: 20060284568Abstract: A power supply system for powering backlight lamps in a flat panel display with reduced dimensions and increased power efficiency. The power supply system includes a converter circuit for converting an alternating current (AC) signal from an AC power source to a high direct current (DC) signal, and a high voltage (HV) inverter system that includes a power stage circuit, a transformer circuit, and a current balance circuit. The HV inverter system is coupled to the converter circuit and specifically configured to convert the high DC signal into an AC output signal to power the backlight lamps.Type: ApplicationFiled: June 17, 2005Publication date: December 21, 2006Inventors: A-Jung Chang, Wen-Lin Chen, Chen-An Chiang, Hui-Chen Chou, Yi-Cheng Liu
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Publication number: 20060279362Abstract: The present invention discloses a gain amplifier, capable of concurrently operating at three different frequency bands. The gain amplifier comprises an amplification stage for amplifying a signal applied to an input of the amplifier and a triple-band resonance load connected between a DC bias voltage and a DC bias input of the amplification stage. The triple-band resonance load uses a set of reactive elements to provide match in a first frequency band, a second frequency band and in a third frequency band, such as at 2.4 GHz, 5.8 GHz and 9.0 GHz. According to the gain amplifier of the present invention, it can effectively provide triple-band signal amplification and in-band interference suppression for various multi-standard coexist communication systems.Type: ApplicationFiled: June 8, 2005Publication date: December 14, 2006Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen
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Publication number: 20060281488Abstract: The present invention discloses a dual-band RF transceiver. The transceiver comprises a first module, used as the RF front-end of the dual-band transceiver and used for receiving and transmitting a first RF signal and a second RF signal; a second module, electrically connected to the first module, used as the IF IQ modulator/demodulator of the dual-band RF transceiver; a third module, electrically connected to the first and the second modules, used as the tripe-band phase-locked frequency synthesizer of the dual-band RF transceiver and used for providing a first local oscillating signal and a second local oscillating signal to the first module, and a third local oscillating signal to the second module. The dual-band RF transceiver according to the present invention realizes the dual-band triple-mode operation of IEEE802.11 a/b/g by a single dual-band RF module, and therefore the circuit size, power dissipation, component count, and cost can be dramatically reduced.Type: ApplicationFiled: June 10, 2005Publication date: December 14, 2006Inventors: Sheng-Fuh Chang, Wen-Lin Chen, Cheng-Hua Tsai, Chin-Hung Chien, Hung-Cheng Chen, Shu-Fen Tang, Albert Chen
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Publication number: 20060214595Abstract: A burglar-proof wireless light adjusting module is provided wherein a transmission socket of a control module is connected with a lamp and a local power, respectively, whereas a control socket at the other end is connected with a conventional switch. When the switch is turned on or off, a micro processor transmits a signal of lightening status of a corresponding light bulb to a driving circuit, generates a corresponding control circuit through the driving circuit, to enable the light bulb to generate a continuously changing status of lightening and extinguishing, a status of lightening and extinguishing according to a random time, and a constant brightness, after receiving a status of open circuit and short-circuit, corresponding to various times of status of turning on and off, from the control socket.Type: ApplicationFiled: March 25, 2005Publication date: September 28, 2006Inventor: Wen-Lin Chen
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Publication number: 20060104101Abstract: A memory manufactured through a semiconductor process includes a substrate, a memory cell array formed on the substrate, a peripheral circuit formed on the substrate and electrically connected to the memory cell array for controlling access of the memory cell array, and a power distribution network formed substantially above the peripheral circuit or the memory cell array. The power distribution network is electrically connected to the peripheral circuit and the memory cell array for providing power to the peripheral circuit and the memory cell array.Type: ApplicationFiled: November 17, 2004Publication date: May 18, 2006Inventors: Wen-Lin Chen, Yung-Chieh Yu, Po-Sen Wang, Shih-Huang Huang
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Publication number: 20030222630Abstract: A control device includes a relay device coupled to a processor device, a power device coupled to the processor device and the relay device for energizing the processor device and the relay device, and a load device coupled to the relay device. A device may further be used for supplying control signals to the processor device, in order to switch on and switch off the relay device. The relay device includes two transistors coupled to the processor device, and two coils coupled to the transistors, for being actuated by the processor device with less electric power consumed.Type: ApplicationFiled: May 31, 2002Publication date: December 4, 2003Inventor: Wen Lin Chen