JP2016212108A - 圧力センシング装置、圧力検出器及びこれらを含む装置 - Google Patents
圧力センシング装置、圧力検出器及びこれらを含む装置 Download PDFInfo
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- JP2016212108A JP2016212108A JP2016094965A JP2016094965A JP2016212108A JP 2016212108 A JP2016212108 A JP 2016212108A JP 2016094965 A JP2016094965 A JP 2016094965A JP 2016094965 A JP2016094965 A JP 2016094965A JP 2016212108 A JP2016212108 A JP 2016212108A
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- 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
- G06F3/0447—Position sensing using the local deformation of sensor cells
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
- G01L1/144—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors with associated circuitry
-
- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Description
と表現され得る。ここで、εは電極10と基準電位層300との間に満たされた物質の誘電率εoεr、Aは電極10の面積、dは電極10と基準電位層300との間の距離である。数式(2)において、出力信号Voは距離dに比例して線形的に変わることが分かる。Cp、C1及びC2の静電容量値は、実施形態/環境によって変更され得ることは自明であり、Cpには数百pF(pico Farad)の範囲、そしてC1及びC2には数十pFの範囲の静電容量値を適用して実験した結果、出力信号Voと距離dとの間の線形関係を導出することができた。
10 電極
20 駆動部
30 感知部
1000 タッチ入力装置
200 ディスプレイパネル
300 基準電位層
Claims (15)
- 電極と、
前記電極に駆動信号を印加する駆動部と、
前記電極を介して、前記電極と離隔された基準電位層と前記電極との間の相対的な距離によって変わる前記電極と前記基準電位層との間の静電容量に対する情報を含む受信信号を受信する感知部と、
前記駆動部と前記電極との間に第1インピーダンス、及び前記感知部と前記電極との間に第2インピーダンスと、
を含む、
圧力センシング装置。 - 前記感知部は、前記電極と前記基準電位層との間の距離に対して線形関係を有する信号を出力することができる、
請求項1に記載の圧力センシング装置。 - 前記感知部は、
増幅器と、
前記増幅器の負入力端と出力端との間に連結された帰還キャパシタと、
を含み、
前記距離に対して線形関係を有する信号は、前記増幅器の出力信号である、
請求項2に記載の圧力センシング装置。 - 前記第1インピーダンス及び前記第2インピーダンスは、静電容量性素子である、
請求項1ないし3のいずれか1項に記載の圧力センシング装置。 - 前記第1インピーダンス及び前記第2インピーダンスのうち少なくとも一つは、前記駆動部及び前記感知部と同一の集積回路上に集積される、
請求項1ないし4のいずれか1項に記載の圧力センシング装置。 - 前記第1インピーダンス及び前記第2インピーダンスのうちいずれか一つは、抵抗性素子である、
請求項1ないし3のいずれか1項に記載の圧力センシング装置。 - 前記基準電位層は、グランド電位層である、
請求項1ないし6のいずれか1項に記載の圧力センシング装置。 - 請求項1ないし7のいずれか1項による圧力センシング装置と、
前記基準電位層と、を含んで構成される、装置。 - 電極に駆動信号を印加する駆動部と、
前記電極を介して、前記電極と離隔された基準電位層と前記電極との間の相対的な距離によって変わる前記電極と前記基準電位層との間の静電容量に対する情報を含む信号を受信する感知部と、
を含み、
前記駆動信号は、前記駆動部と前記電極との間に位置する第1インピーダンスを通過した後に前記電極に印加され、及び前記受信信号は、前記感知部と前記電極との間に位置する第2インピーダンスを通過した後に前記感知部に受信される、
圧力検出器。 - 前記感知部は、前記電極と前記基準電位層との間の距離に対して線形関係を有する信号を出力することができる、
請求項9に記載の圧力検出器。 - 前記感知部は、
増幅器と、
前記増幅器の負入力端と出力端との間に連結された帰還キャパシタと、
を含み、
前記距離に対して線形関係を有する信号は、前記増幅器の出力信号である、
請求項10に記載の圧力検出器。 - 前記第1インピーダンス及び前記第2インピーダンスは、静電容量性素子である、
請求項9ないし11のいずれか1項に記載の圧力検出器。 - 前記第1インピーダンス及び前記第2インピーダンスのうち少なくとも一つは、前記駆動部及び前記感知部と同一の集積回路上に集積される、
請求項9ないし12のいずれか1項に記載の圧力検出器。 - 前記第1インピーダンス及び前記第2インピーダンスのうちいずれか一つは、抵抗性素子である、
請求項9ないし11のいずれか1項に記載の圧力検出器。 - 前記基準電位層は、グランド電位層である、
請求項9ないし14のいずれか1項に記載の圧力検出器。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0065513 | 2015-05-11 | ||
| KR1020150065513A KR101739791B1 (ko) | 2015-05-11 | 2015-05-11 | 압력 센싱 장치, 압력 검출기 및 이들을 포함하는 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016212108A true JP2016212108A (ja) | 2016-12-15 |
| JP6235649B2 JP6235649B2 (ja) | 2017-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016094965A Active JP6235649B2 (ja) | 2015-05-11 | 2016-05-11 | 圧力センシング装置、圧力検出器及びこれらを含む装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10534466B2 (ja) |
| EP (1) | EP3093640B1 (ja) |
| JP (1) | JP6235649B2 (ja) |
| KR (1) | KR101739791B1 (ja) |
| CN (1) | CN106155407B (ja) |
| WO (1) | WO2016182347A1 (ja) |
Families Citing this family (9)
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| US10534435B2 (en) * | 2016-11-18 | 2020-01-14 | Immersion Corporation | Handheld interface device having a plurality of electrostatic friction (ESF) electrodes |
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| KR101939195B1 (ko) * | 2017-02-16 | 2019-01-17 | 주식회사 하이딥 | 압력 센싱 장치, 압력 검출기 및 이들을 포함하는 장치 |
| US11737366B2 (en) * | 2017-03-01 | 2023-08-22 | Rogers Corporation | Layered sensor apparatus and method of making same |
| KR102602808B1 (ko) | 2018-03-23 | 2023-11-17 | 삼성전자주식회사 | 터치 입력을 압력 입력으로 결정하기 위한 조건을 변경하는 전자 장치 및 방법 |
| CN110207800B (zh) * | 2018-11-16 | 2021-07-16 | 华帝股份有限公司 | 压力传感器、烤箱及用于烤箱的智能控制方法 |
| KR102527732B1 (ko) * | 2019-04-29 | 2023-04-28 | 엘지디스플레이 주식회사 | 터치 회로, 터치 디스플레이 장치 및 그 구동 방법 |
| CN211180797U (zh) * | 2020-06-23 | 2020-08-04 | 深圳市汇顶科技股份有限公司 | 电容检测装置和电子设备 |
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2015
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2016
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| Publication number | Publication date |
|---|---|
| CN106155407B (zh) | 2019-10-01 |
| US10534466B2 (en) | 2020-01-14 |
| WO2016182347A1 (ko) | 2016-11-17 |
| US20160334914A1 (en) | 2016-11-17 |
| EP3093640A1 (en) | 2016-11-16 |
| KR101739791B1 (ko) | 2017-05-26 |
| EP3093640B1 (en) | 2022-07-06 |
| CN106155407A (zh) | 2016-11-23 |
| KR20160132671A (ko) | 2016-11-21 |
| JP6235649B2 (ja) | 2017-11-22 |
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