KR102746065B1 - 노이즈 억제 회로 - Google Patents

노이즈 억제 회로 Download PDF

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Publication number
KR102746065B1
KR102746065B1 KR1020190039711A KR20190039711A KR102746065B1 KR 102746065 B1 KR102746065 B1 KR 102746065B1 KR 1020190039711 A KR1020190039711 A KR 1020190039711A KR 20190039711 A KR20190039711 A KR 20190039711A KR 102746065 B1 KR102746065 B1 KR 102746065B1
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KR
South Korea
Prior art keywords
amplifier
input
reduced noise
signals
noise signals
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KR1020190039711A
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English (en)
Korean (ko)
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KR20190116940A (ko
Inventor
춘보 리우
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시냅틱스 인코포레이티드
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Publication of KR20190116940A publication Critical patent/KR20190116940A/ko
Application granted granted Critical
Publication of KR102746065B1 publication Critical patent/KR102746065B1/ko
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04182—Filtering of noise external to the device and not generated by digitiser components
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/181—Enclosures
    • G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Position Input By Displaying (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
KR1020190039711A 2018-04-05 2019-04-04 노이즈 억제 회로 Active KR102746065B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862653331P 2018-04-05 2018-04-05
US62/653,331 2018-04-05
US16/373,369 2019-04-02
US16/373,369 US11054942B2 (en) 2018-04-05 2019-04-02 Noise suppression circuit

Publications (2)

Publication Number Publication Date
KR20190116940A KR20190116940A (ko) 2019-10-15
KR102746065B1 true KR102746065B1 (ko) 2024-12-23

Family

ID=68097152

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190039711A Active KR102746065B1 (ko) 2018-04-05 2019-04-04 노이즈 억제 회로

Country Status (4)

Country Link
US (2) US11054942B2 (enExample)
JP (1) JP7267073B2 (enExample)
KR (1) KR102746065B1 (enExample)
CN (1) CN110347282B (enExample)

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US11106317B1 (en) * 2020-04-14 2021-08-31 Synaptics Incorporated Common mode noise suppression with restoration of common mode signal
KR102348144B1 (ko) * 2020-12-11 2022-01-07 주식회사 지니틱스 전류 컨베이어를 이용한 터치입력 감지장치
US20230408564A1 (en) * 2022-06-08 2023-12-21 Invensense, Inc. Low noise readout interface for capacitive sensors with negative capacitance
KR20250080184A (ko) * 2023-11-28 2025-06-05 엘지디스플레이 주식회사 전압 및 위상 보상 회로와 이를 포함한 표시장치

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Also Published As

Publication number Publication date
US11054942B2 (en) 2021-07-06
JP7267073B2 (ja) 2023-05-01
US11460953B2 (en) 2022-10-04
JP2019207682A (ja) 2019-12-05
CN110347282B (zh) 2024-07-23
US20210294454A1 (en) 2021-09-23
US20190310739A1 (en) 2019-10-10
CN110347282A (zh) 2019-10-18
KR20190116940A (ko) 2019-10-15

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