CN117099073A - 接近检测装置 - Google Patents

接近检测装置 Download PDF

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Publication number
CN117099073A
CN117099073A CN202280020983.8A CN202280020983A CN117099073A CN 117099073 A CN117099073 A CN 117099073A CN 202280020983 A CN202280020983 A CN 202280020983A CN 117099073 A CN117099073 A CN 117099073A
Authority
CN
China
Prior art keywords
electrode
proximity detection
unit
proximity
piezoelectric body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202280020983.8A
Other languages
English (en)
Chinese (zh)
Inventor
重高宽
藤由达巳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of CN117099073A publication Critical patent/CN117099073A/zh
Pending legal-status Critical Current

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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
    • G06F3/044—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
    • 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
    • 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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • 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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0436—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which generating transducers and detecting transducers are attached to a single acoustic waves transmission substrate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • G06F2203/04101—2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
    • 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
    • G06F2203/04108—Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction

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)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CN202280020983.8A 2021-04-30 2022-03-03 接近检测装置 Pending CN117099073A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-077787 2021-04-30
JP2021077787 2021-04-30
PCT/JP2022/009264 WO2022230358A1 (ja) 2021-04-30 2022-03-03 近接検出装置

Publications (1)

Publication Number Publication Date
CN117099073A true CN117099073A (zh) 2023-11-21

Family

ID=83846964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280020983.8A Pending CN117099073A (zh) 2021-04-30 2022-03-03 接近检测装置

Country Status (6)

Country Link
US (1) US12386464B2 (https=)
JP (2) JP7697190B2 (https=)
CN (1) CN117099073A (https=)
DE (1) DE112022002381T5 (https=)
TW (1) TWI820590B (https=)
WO (1) WO2022230358A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117871970A (zh) * 2024-03-11 2024-04-12 北京理工大学 一种具有有源屏蔽电路的静电传感器装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025142329A1 (ja) * 2023-12-26 2025-07-03 株式会社村田製作所 押圧センサ、押圧点検出方法、及び押圧点検出プログラム

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US8723827B2 (en) * 2009-07-28 2014-05-13 Cypress Semiconductor Corporation Predictive touch surface scanning
US8698769B2 (en) * 2011-08-01 2014-04-15 Sharp Kabushiki Kaisha Dual mode capacitive touch panel
CN104756054B (zh) * 2012-07-26 2018-02-23 苹果公司 通过超声波传感器进行力检测
WO2014018119A1 (en) * 2012-07-26 2014-01-30 Changello Enterprise Llc Ultrasound-based force and touch sensing
US9983715B2 (en) * 2012-12-17 2018-05-29 Apple Inc. Force detection in touch devices using piezoelectric sensors
CA2929723C (en) * 2013-12-12 2020-09-15 Qualcomm Incorporated Micromechanical ultrasonic transducers and display
US9501167B2 (en) * 2014-10-22 2016-11-22 Synaptics Incorporated Scanned piezoelectric touch sensor device
WO2016122173A1 (ko) * 2015-01-27 2016-08-04 엘지이노텍 주식회사 터치 윈도우
US10497748B2 (en) * 2015-10-14 2019-12-03 Qualcomm Incorporated Integrated piezoelectric micromechanical ultrasonic transducer pixel and array
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US10235552B2 (en) * 2016-10-12 2019-03-19 Qualcomm Incorporated Hybrid capacitive and ultrasonic sensing
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117871970A (zh) * 2024-03-11 2024-04-12 北京理工大学 一种具有有源屏蔽电路的静电传感器装置
CN117871970B (zh) * 2024-03-11 2024-05-10 北京理工大学 一种具有有源屏蔽电路的静电传感器装置

Also Published As

Publication number Publication date
TW202401222A (zh) 2024-01-01
TWI820590B (zh) 2023-11-01
JPWO2022230358A1 (https=) 2022-11-03
TW202244698A (zh) 2022-11-16
US12386464B2 (en) 2025-08-12
DE112022002381T5 (de) 2024-02-15
JP7697190B2 (ja) 2025-06-24
WO2022230358A1 (ja) 2022-11-03
US20240028165A1 (en) 2024-01-25
JP2025114868A (ja) 2025-08-05

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