Chang; Cheng-Pin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Cheng-Pin.The latest application filed is for "signal processing system capable of performing voltage and frequency calibration".

Company Profile

6.9.12

Chang; Cheng-Pin - HsinChu TW
Chang; Cheng-Pin - Taipei TW
Chang; Cheng-Pin - Taipei City TW
CHANG; CHENG-PIN - TAIPEI CITY 111 TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Signal Processing System Capable Of Performing Voltage And Frequency Calibration App 20210365097 - Chang; Cheng-Pin ; et al.	2021-11-25
Audio Codec Circuit App 20210250690 - Chuang; Tsung-Peng ; et al.	2021-08-12
USB adapting circuit Grant 10,969,853 - Chang , et al. April 6, 2	2021-04-06
Usb Adapting Circuit App 20200201416 - Chang; Cheng-Pin ; et al.	2020-06-25
Audio playback device and audio control circuit of the same Grant 10,637,421 - Chang , et al.	2020-04-28
Detection circuit and associated detection method Grant 10,451,659 - Chang , et al. Oc	2019-10-22
Detection Circuit And Associated Detection Method App 20190094274 - Chang; Cheng-Pin ; et al.	2019-03-28
Combo-plug detecting circuit and operational method thereof Grant 10,204,636 - Chuang , et al. Feb	2019-02-12
Combo-plug Detecting Circuit And Operational Method Thereof App 20190013035 - CHUANG; Tsung-Peng ; et al.	2019-01-10
Audio Playback Device And Audio Control Circuit Of The Same App 20180358943 - CHANG; Cheng-Pin ; et al.	2018-12-13
Headphone amplifier circuit for headphone driver, operation method thereof, and USB interfaced headphone device using the same Grant 10,149,081 - Chuang , et al. De	2018-12-04
Headphone Amplifier Circuit For Headphone Driver, Operation Method Thereof, And Usb Interfaced Headphone Device Using The Same App 20180192220 - CHUANG; Tsung-Peng ; et al.	2018-07-05
Electronic apparatus, functional unit, and power-down method thereof Grant 9,645,624 - Chang , et al. May 9, 2	2017-05-09
Audio codec with audio jack detection function and audio jack detection method Grant 9,571,916 - Hsu , et al. February 14, 2	2017-02-14
Signal processing circuit and associated signal processing method applied to headset Grant 9,438,983 - Chang , et al. September 6, 2	2016-09-06
Audio device and audio utilization method having haptic compensation function Grant 9,419,572 - Chiu , et al. August 16, 2	2016-08-16
Audio Codec, Portable Electronic Apparatus And Button Control Method App 20160098119 - Chang; Cheng-Pin ; et al.	2016-04-07
Electronic Apparatus, Functional Unit, And Power-down Method Thereof App 20150198986 - CHANG; CHENG-PIN ; et al.	2015-07-16
Signal Processing Circuit And Associated Signal Processing Method Applied To Headset App 20150139437 - Chang; Cheng-Pin ; et al.	2015-05-21
Audio codec with audio jack detection function and audio jack detection method App 20150117663 - Hsu; Yuan-Ping ; et al.	2015-04-30
Audio Device And Audio Utilization Method Having Haptic Compensation Function App 20150049882 - Chiu; Sheng-Nan ; et al.	2015-02-19

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