Patents Assigned to Fu Da Tong Technology Co., Ltd.
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Publication number: 20230369919Abstract: A coil module for an inductive power supply system includes a first coil, a processor and a control element. The processor, coupled to the first coil, is configured to detect a plurality of resonant frequencies of the first coil corresponding to a plurality of coordinate points, respectively. The control element, coupled to the processor, is configured to control the position of the first coil according to the plurality of resonant frequencies.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Applicant: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 11733328Abstract: A signal analysis circuit for determining whether a supplying-end module of an induction type power supply system receives a modulation signal from a receiving-end module includes a signal receiving circuit, a gain amplifier, a ramp generator, a comparator, a timer and a processor. The signal receiving circuit is configured to obtain a coil signal on a supplying-end coil of the supplying-end module. The gain amplifier is configured to adjust a voltage level of the coil signal to generate an amplification signal. The ramp generator is configured to generate and output a ramp signal. The comparator is configured to compare the amplification signal with the ramp signal to determine a trigger time on which the amplification signal and the ramp signal intersect. The timer is configured to obtain a time data corresponding to the trigger time. The processor is configured to analyze the modulation signal according to the time data.Type: GrantFiled: February 18, 2021Date of Patent: August 22, 2023Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Publication number: 20220260618Abstract: A decoding method for a supplying-end module of an induction type power supply system where the supplying-end module includes a supplying-end coil is provided. The decoding method includes steps of: receiving and storing a plurality of trigger data, each corresponding to a resonant cycle of a coil signal on the supplying-end coil; determining a plurality of rising or falling features in the plurality of trigger data, and marking a plurality of anchor points at positions corresponding to the plurality of rising or falling features; determining whether distances between the plurality of anchor points comply with an encoding interval, to obtain a plurality of valid anchor points from the plurality of anchor points; and obtaining a plurality of data codes according to the plurality of valid anchor points.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Applicant: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 11128180Abstract: A method of detecting a receiving-end module, for a supplying-end module of an induction type power supply system where the supplying-end module includes a supplying-end coil, includes detecting the supplying-end coil to obtain a self-resonant frequency of the supplying-end coil; determining whether the self-resonant frequency is smaller than a basic frequency; obtaining a first output power corresponding to the self-resonant frequency when the self-resonant frequency is determined to be smaller than the basic frequency and the degree of the self-resonant frequency smaller than the basic frequency exceeds a threshold; and sending an activation signal with the first output power, and starting to supply electric power when a data code corresponding to the activation signal is received.Type: GrantFiled: December 10, 2017Date of Patent: September 21, 2021Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10951063Abstract: A supplying-end module for an induction type power supply system includes a supplying-end coil, a first driver, a second driver and a signal detector. The first driver, coupled to the supplying-end coil, is used for driving the supplying-end coil to send electric power. The second driver, coupled to the supplying-end coil, is used for controlling the supplying-end coil to output a detection signal. The signal detector, coupled to the supplying-end coil, is used for detecting a reflection signal corresponding to the detection signal.Type: GrantFiled: July 5, 2018Date of Patent: March 16, 2021Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10784042Abstract: A coil module for an induction type power supply system includes a supporting frame, an upper lid and a first wire. The upper lid, disposed on the supporting frame, includes a spiral slot. The first wire is used for being inserted in the spiral slot to form a coil.Type: GrantFiled: March 6, 2019Date of Patent: September 22, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10686331Abstract: A signal modulation method for a receiving-end module of an induction type power supply system includes configuring a plurality of modulation periods corresponding to a modulation signal; performing modulation on a first terminal of an induction coil of the receiving-end module during the ith modulation period among the plurality of modulation periods, wherein i is an odd number; and performing modulation on a second terminal of the induction coil of the receiving-end module during the jth modulation period among the plurality of modulation periods, wherein j is an even number; wherein the second terminal does not undergo modulation when the first terminal is being modulated, and the first terminal does not undergo modulation when the second terminal is being modulated.Type: GrantFiled: October 10, 2017Date of Patent: June 16, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10673287Abstract: A method of detecting a receiving-end module for a supplying-end module of an induction type power supply system, wherein the supplying-end module includes a supplying-end coil, includes the steps of: detecting a resonant frequency of the supplying-end coil; determining a coil distance of the receiving-end module and the supplying-end module according to the resonant frequency; obtaining a maximum resonant voltage and a minimum resonant voltage corresponding to the coil distance; and determining whether there is a deviation between the supplying-end module and the receiving-end module according to the maximum resonant voltage and the minimum resonant voltage and an input current of the supplying-end coil.Type: GrantFiled: January 16, 2019Date of Patent: June 2, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10643787Abstract: A coil module for an induction type power supply system includes a supporting frame, an upper lid and a first wire. The upper lid, disposed on the supporting frame, includes a spiral slot. The first wire is used for being inserted in the spiral slot to form a coil.Type: GrantFiled: May 14, 2018Date of Patent: May 5, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10630113Abstract: A power supply device used in an induction type power supply system is provided that includes a power supply coil, an auxiliary coil, a power supply driving module, a auxiliary driving module, a harmonic frequency measuring module, a voltage measuring module and a processing module. The power supply driving module drives the power supply coil. The auxiliary driving module drives the auxiliary coil. The harmonic frequency measuring module measures a resonance frequency of the power-supply coil according to a capacitive and inductive parameter related to the power-supply coil. The voltage measuring module tracks and locks a maximum of an oscillation voltage of the auxiliary coil. When the processing module determines that the resonance frequency is stable and the oscillation voltage decreases more than a predetermined ratio of the oscillation voltage, the processing module keeps the power supply driving module under a non-working status.Type: GrantFiled: September 16, 2018Date of Patent: April 21, 2020Assignee: Fu Da Tong Technology Co., LtdInventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10630116Abstract: An intruding metal detection method for a supplying-end module of an induction type power supply system having a supplying-end coil includes interrupting at least one driving signal of the induction type power supply system to stop driving the supplying-end coil during a measurement period, to generate a coil signal of the supplying-end coil; measuring a plurality of peaks of the coil signal within a plurality of consecutive oscillation cycles of the coil signal, to obtain a plurality of peak trigger voltages, respectively; calculating a first attenuation parameter according to a first peak trigger voltage and a second peak trigger voltage among the plurality of peak trigger voltages; and comparing the first attenuation parameter with a first threshold value to determine whether there is an intruding metal existing in a power supply range of the induction type power supply system.Type: GrantFiled: September 12, 2018Date of Patent: April 21, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10615645Abstract: A power supply device used in an induction type power supply system is provided that includes a power supply coil, a auxiliary coil, a power supply driving module, a detection driving module, a signal detection module and a processing module. The power supply driving module drives the power supply coil to transmit a power signal. When the power supply driving module is under a non-working status, the detection driving module drives the auxiliary coil to transmit a detection signal and drives the auxiliary coil to transmit a data request signal. After transmitting the data request signal, the signal detection module detects a reflection signal corresponding to the data request signal on the auxiliary coil. The processing module keeps the power supply driving module under the non-working status when the reflection signal having a data characteristic is determined to be detected by the signal detection module.Type: GrantFiled: September 7, 2018Date of Patent: April 7, 2020Assignee: Fu Da Tong Technology Co., LtdInventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10600547Abstract: A coil module for an induction type power supply system includes a metal frame, a coil, a circuit board and an upper lid. The coil is disposed on a first surface of the metal frame. The circuit board, disposed on a second surface of the metal frame, includes a control circuit for controlling operations of the coil. The upper lid, for covering the coil, is composed of a non-metal material and has an arc structure.Type: GrantFiled: March 5, 2018Date of Patent: March 24, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10594168Abstract: An intruding metal detection method for a supplying-end module of an induction type power supply system having a supplying-end coil includes: obtaining a previous peak trigger voltage measured during a previous measurement period and setting a reference voltage to be equal to the previous peak trigger voltage; interrupting at least one driving signal of the induction type power supply system to stop driving the supplying-end coil during a measurement period, to generate a coil signal of the supplying-end coil; measuring a first peak of the coil signal within an oscillation cycle of the coil signal, to obtain a first peak trigger voltage; comparing the first peak trigger voltage with the reference voltage; and determining that there is no intruding metal existing in a power supply range of the induction type power supply system when the first peak trigger voltage is equal to or close to the reference voltage.Type: GrantFiled: August 22, 2019Date of Patent: March 17, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10587153Abstract: The present invention discloses an intruding metal detection method for a supplying-end module of an induction type power supply system having a supplying-end coil controlled by a first driving signal and a second driving signal. The method includes periodically generating a detection signal on the first driving signal and the second driving signal, wherein the detection signal controls the supplying-end coil to resonate and generate a coil signal; setting at least one threshold voltage and comparing a plurality of peak values of the coil signal with the at least one threshold voltage, respectively, to generate a plurality of trigger signals; determining whether to perform a pre-charging procedure according to a resonant frequency of the coil signal; and determining whether there is an intruding metal existing in a power supply range of the induction type power supply system according to the plurality of trigger signals and the resonant frequency.Type: GrantFiled: September 2, 2018Date of Patent: March 10, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10574095Abstract: A decoding method for a signal processing circuit which receives a modulation data carried by a coil signal includes the following steps: determining a jitter in the coil signal; obtaining a trigger gap when the jitter appears; outputting a gap indicating signal when a length of the trigger gap is within a predefined range; determining whether a plurality of gap indicating signals appear in a first period and whether the gap indicating signals are scattered in the first period; setting a flag to a jitter status according to the above determination results; determining whether the flag is set to the jitter status during a second period, and filling a value in a time slot corresponding to the second period accordingly; and obtaining a data code of the modulation data according to the values filled in a plurality of time slots.Type: GrantFiled: January 7, 2019Date of Patent: February 25, 2020Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10289142Abstract: A method used for an induction type power supply system, for detecting whether an intruding metal exists in a power transmission range of the induction type power supply system, includes interrupting at least one driving signal of the induction type power supply system to stop driving a supplying-end coil of the induction type power supply system; obtaining a first attenuation slope during a first period when driving of the supplying-end coil is stopped, and obtaining a second attenuation slope during a second period when driving of the supplying-end coil is stopped; and determining whether the intruding metal exists in the power transmission range of the induction type power supply system according to the first attenuation slope and the second attenuation slope.Type: GrantFiled: August 9, 2016Date of Patent: May 14, 2019Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10153665Abstract: A method is used for a supplying-end module of an induction type power supply system, for adjusting output power of the induction type power supply system. The method includes driving a supplying-end coil of the supplying-end module by using a first driving signal and a second driving signal, and setting a phase shift quantity between the first driving signal and the second driving signal; detecting a coil signal of the supplying-end coil to determine a peak location of the coil signal; determining a peak deviation rate of the peak location according to a starting point of a period of the second driving signal and a zero load point; and adjusting the phase shift quantity according to the peak deviation rate, in order to adjust the output power.Type: GrantFiled: January 17, 2017Date of Patent: December 11, 2018Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10114396Abstract: A method used for an induction type power supply system, for detecting whether an intruding metal exists in a power transmission region of the induction type power supply system, includes interrupting at least one driving signal of the induction type power supply system to stop driving a supplying-end coil of the induction type power supply system; detecting an attenuation status of a coil signal on the supplying-end coil when driving of the supplying-end coil is interrupted; and determining whether the intruding metal exists in the power transmission region of the induction type power supply system according to the attenuation status of the coil signal.Type: GrantFiled: January 25, 2016Date of Patent: October 30, 2018Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 10056944Abstract: A data determination method for a supplying-end module of an induction type power supply system includes generating a current signal on a resonant coil of the supplying-end module according to a modulated signal of a receiving-end module of the induction type power supply system fed back from a resonant coil of the receiving-end module to the resonant coil of the supplying-end module; amplifying the current signal to retrieve a plurality of peak values of the current signal; setting a reference voltage according to magnitudes of the plurality of peak values; comparing the plurality of peak values with the reference voltage to generate a comparison result; and analyzing the comparison result to obtain modulation data of the receiving-end module of the induction type power supply system.Type: GrantFiled: November 7, 2014Date of Patent: August 21, 2018Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan