TW201614455A - Digital demodulator and digital demodulating method - Google Patents
Digital demodulator and digital demodulating methodInfo
- Publication number
- TW201614455A TW201614455A TW104143681A TW104143681A TW201614455A TW 201614455 A TW201614455 A TW 201614455A TW 104143681 A TW104143681 A TW 104143681A TW 104143681 A TW104143681 A TW 104143681A TW 201614455 A TW201614455 A TW 201614455A
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- digital
- quadrature
- phase
- generate
- Prior art date
Links
Landscapes
- Position Input By Displaying (AREA)
- Telephone Function (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361902137P | 2013-11-08 | 2013-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201614455A true TW201614455A (en) | 2016-04-16 |
TWI576741B TWI576741B (zh) | 2017-04-01 |
Family
ID=53720953
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW102149225A TWI539339B (zh) | 2013-11-08 | 2013-12-31 | 觸控處理裝置及其方法 |
TW104143681A TWI576741B (zh) | 2013-11-08 | 2013-12-31 | 數位解調變器及數位解調變方法 |
TW102149227A TWI521404B (zh) | 2013-11-08 | 2013-12-31 | 偵測近接於觸控裝置的發信器之方法、裝置、與系統 |
TW102149230A TWI605371B (zh) | 2013-11-08 | 2013-12-31 | 發信器與其發信方法 |
TW102149229A TWI540472B (zh) | 2013-11-08 | 2013-12-31 | 發信器及其發信方法 |
TW102149232A TWI525524B (zh) | 2013-11-08 | 2013-12-31 | 同時發信的發信器組合與其發信方法及觸控系統 |
TW102149224A TWI521403B (zh) | 2013-11-08 | 2013-12-31 | 處理裝置與處理方法 |
TW103132380A TWI514205B (zh) | 2013-11-08 | 2014-09-19 | 發信器、觸控系統及其發信方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW102149225A TWI539339B (zh) | 2013-11-08 | 2013-12-31 | 觸控處理裝置及其方法 |
Family Applications After (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW102149227A TWI521404B (zh) | 2013-11-08 | 2013-12-31 | 偵測近接於觸控裝置的發信器之方法、裝置、與系統 |
TW102149230A TWI605371B (zh) | 2013-11-08 | 2013-12-31 | 發信器與其發信方法 |
TW102149229A TWI540472B (zh) | 2013-11-08 | 2013-12-31 | 發信器及其發信方法 |
TW102149232A TWI525524B (zh) | 2013-11-08 | 2013-12-31 | 同時發信的發信器組合與其發信方法及觸控系統 |
TW102149224A TWI521403B (zh) | 2013-11-08 | 2013-12-31 | 處理裝置與處理方法 |
TW103132380A TWI514205B (zh) | 2013-11-08 | 2014-09-19 | 發信器、觸控系統及其發信方法 |
Country Status (1)
Country | Link |
---|---|
TW (8) | TWI539339B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI630528B (zh) * | 2017-09-14 | 2018-07-21 | 奇景光電股份有限公司 | 電子裝置、接收電路與觸控訊號的處理方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10528182B2 (en) * | 2018-01-19 | 2020-01-07 | Tactual Labs Co. | Matrix sensors |
TWI667596B (zh) * | 2018-01-30 | 2019-08-01 | 幸芯科技有限公司 | Active stylus and wireless signal generating method thereof |
CN110392161B (zh) * | 2018-04-23 | 2021-09-03 | 敦泰电子有限公司 | 一种接近识别方法、装置及终端设备 |
TWI783456B (zh) * | 2021-04-21 | 2022-11-11 | 大陸商北京集創北方科技股份有限公司 | 觸控裝置的掃描頻率決定方法及利用其之觸控顯示裝置和資訊處理裝置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8493331B2 (en) * | 2007-06-13 | 2013-07-23 | Apple Inc. | Touch detection using multiple simultaneous frequencies |
TWI443554B (zh) * | 2009-08-05 | 2014-07-01 | Silicon Integrated Sys Corp | 觸碰感測裝置及其方法 |
JP2011146979A (ja) * | 2010-01-15 | 2011-07-28 | Panasonic Corp | 送信装置、無線通信装置及び送信方法 |
WO2012148539A1 (en) * | 2011-02-25 | 2012-11-01 | Maxim Integrated Products, Inc | Capacitive touch sense architecture |
TW201243679A (en) * | 2011-04-25 | 2012-11-01 | Focaltech Systems Ltd | Methods for filtering noise in capacitive touch panel |
US8928635B2 (en) * | 2011-06-22 | 2015-01-06 | Apple Inc. | Active stylus |
US8493360B2 (en) * | 2011-07-19 | 2013-07-23 | Cypress Semiconductor Corporation | Quadrature signal receiver using synchronized oscillator |
US8810537B2 (en) * | 2012-02-15 | 2014-08-19 | Apple Inc. | Quadrature demodulation for touch sensitive devices |
US8890840B2 (en) * | 2012-04-30 | 2014-11-18 | Mediatek Inc. | Method and apparatus for using oscillation signals with different phases to detect capacitance values at capacitive sensing nodes of touch panel |
-
2013
- 2013-12-31 TW TW102149225A patent/TWI539339B/zh active
- 2013-12-31 TW TW104143681A patent/TWI576741B/zh active
- 2013-12-31 TW TW102149227A patent/TWI521404B/zh active
- 2013-12-31 TW TW102149230A patent/TWI605371B/zh active
- 2013-12-31 TW TW102149229A patent/TWI540472B/zh active
- 2013-12-31 TW TW102149232A patent/TWI525524B/zh active
- 2013-12-31 TW TW102149224A patent/TWI521403B/zh active
-
2014
- 2014-09-19 TW TW103132380A patent/TWI514205B/zh active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI630528B (zh) * | 2017-09-14 | 2018-07-21 | 奇景光電股份有限公司 | 電子裝置、接收電路與觸控訊號的處理方法 |
US10678374B2 (en) | 2017-09-14 | 2020-06-09 | Himax Technologies Limited | Electrical device, receiving circuit, and method for touch sensing |
Also Published As
Publication number | Publication date |
---|---|
TW201519040A (zh) | 2015-05-16 |
TW201519059A (zh) | 2015-05-16 |
TWI605371B (zh) | 2017-11-11 |
TWI540472B (zh) | 2016-07-01 |
TWI576741B (zh) | 2017-04-01 |
TW201519017A (zh) | 2015-05-16 |
TW201528115A (zh) | 2015-07-16 |
TWI521403B (zh) | 2016-02-11 |
TWI521404B (zh) | 2016-02-11 |
TWI525524B (zh) | 2016-03-11 |
TW201519038A (zh) | 2015-05-16 |
TWI514205B (zh) | 2015-12-21 |
TW201519041A (zh) | 2015-05-16 |
TW201519039A (zh) | 2015-05-16 |
TWI539339B (zh) | 2016-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW201614455A (en) | Digital demodulator and digital demodulating method | |
MX2016017327A (es) | Aparato y metodo de cancelacion de interferencia. | |
MX350556B (es) | Metodo y aparato para realizar conversion de analogico a digital de señales de entrada multiple. | |
WO2012003142A3 (en) | Subcarrier frequency acquisition and complex derotation to baseband | |
SG10201809545SA (en) | Sudac, user equipment, base station and sudac system | |
IN2014KN01656A (zh) | ||
MX2016011306A (es) | Mejoramiento de señales de referencia para una celula compartida. | |
MX2016009059A (es) | Sistema y metodo para conexiones siempre encendidas en sistemas de comunicaciones inalambricas. | |
WO2014150035A3 (en) | Apparatus and method for reducing phase noise in near field communication device signaling | |
MY165864A (en) | Method and apparatus for rate matching with muting | |
MX2014007440A (es) | Procesamiento de señal digital para comunicaciones de comunicacion de linea de energia (plc) que tienen frecuencias de comunicacion. | |
WO2012088088A3 (en) | Method and system for reducing signal phase contamination | |
WO2012126431A3 (zh) | 预失真校正方法、预失真校正装置、发射机及基站 | |
WO2012154923A3 (en) | Optical receiver for amplitude-modulated signals | |
WO2013156044A8 (en) | Technique for calibrating a receiver apparatus | |
IN2014CH02163A (zh) | ||
GB2525106A (en) | Methods and apparatus for ameliorating signal reception | |
MY181355A (en) | Spreading signal generating method, generating device, receiving method and receiving device | |
MY182777A (en) | Radio receiver, method of detecting an obtruding signal in the radio receiver, and computer program | |
MX2016010129A (es) | Decodificacion de señal de frecuencia modulada y amplitud modulada combinadas. | |
TW201613274A (en) | Clock generating apparatus and fractional frequency divider thereof | |
GB2547099A (en) | System and method for ultra wideband radio frequency scanning and signal generation | |
PH12017501434A1 (en) | A wireless communication node and a method for processing a signal in said node | |
RU2013144541A (ru) | Радиоприемное устройство с ключевым управлением амплитудой размывающего сигнала | |
WO2010113074A3 (en) | System for demodulating a signal |