WO1993018448A1 - Position input device and keyboard apparatus - Google Patents

Position input device and keyboard apparatus Download PDF

Info

Publication number
WO1993018448A1
WO1993018448A1 PCT/JP1993/000230 JP9300230W WO9318448A1 WO 1993018448 A1 WO1993018448 A1 WO 1993018448A1 JP 9300230 W JP9300230 W JP 9300230W WO 9318448 A1 WO9318448 A1 WO 9318448A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
oscillation signal
position indicator
input device
coupling means
Prior art date
Application number
PCT/JP1993/000230
Other languages
English (en)
French (fr)
Inventor
Toshiaki Watanabe
Shinji Saeki
Yoshiyuki Morita
Original Assignee
Seiko Instruments Inc.
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
Priority claimed from JP4493092A external-priority patent/JP2796606B2/ja
Priority claimed from JP4063922A external-priority patent/JPH05265621A/ja
Priority claimed from JP11926092A external-priority patent/JPH05313811A/ja
Application filed by Seiko Instruments Inc. filed Critical Seiko Instruments Inc.
Priority to EP93904347A priority Critical patent/EP0582718B1/en
Priority to US08/140,073 priority patent/US5567920A/en
Priority to DE69326657T priority patent/DE69326657T2/de
Publication of WO1993018448A1 publication Critical patent/WO1993018448A1/ja

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electronic Switches (AREA)
PCT/JP1993/000230 1992-03-02 1993-02-25 Position input device and keyboard apparatus WO1993018448A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP93904347A EP0582718B1 (en) 1992-03-02 1993-02-25 Position input device and keyboard apparatus
US08/140,073 US5567920A (en) 1992-03-02 1993-02-25 Position reading apparatus and key board apparatus
DE69326657T DE69326657T2 (de) 1992-03-02 1993-02-25 Positionseingabevorrichtung und eingabetastatur

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4/44930 1992-03-02
JP4493092A JP2796606B2 (ja) 1992-03-02 1992-03-02 位置入力装置
JP4063922A JPH05265621A (ja) 1992-03-19 1992-03-19 キーボード装置
JP4/63922 1992-03-19
JP11926092A JPH05313811A (ja) 1992-05-12 1992-05-12 位置入力装置
JP4/119260 1992-05-12

Publications (1)

Publication Number Publication Date
WO1993018448A1 true WO1993018448A1 (en) 1993-09-16

Family

ID=27292068

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1993/000230 WO1993018448A1 (en) 1992-03-02 1993-02-25 Position input device and keyboard apparatus

Country Status (4)

Country Link
US (1) US5567920A (ja)
EP (1) EP0582718B1 (ja)
DE (1) DE69326657T2 (ja)
WO (1) WO1993018448A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111819529A (zh) * 2018-05-02 2020-10-23 普瑞有限公司 用于测定位置信息的具有操作部件和电磁交变场影响的输入设备

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3496974B2 (ja) * 1994-04-08 2004-02-16 株式会社ワコム 位置検出装置及び方法
JPH0830375A (ja) * 1994-05-13 1996-02-02 Seiko Instr Inc 座標読取装置および座標検出方法
JP2626595B2 (ja) * 1994-11-17 1997-07-02 日本電気株式会社 アクティブマトリクス型液晶ディスプレイ一体型タブレット及びその駆動方法
FI103837B1 (fi) * 1994-12-22 1999-09-30 Nokia Mobile Phones Ltd Tiedonsiirto- ja käsittelymenetelmä
JP2730018B2 (ja) * 1995-02-28 1998-03-25 株式会社ワコム ディジタイザおよび位置検出方法
JPH10171583A (ja) * 1996-12-05 1998-06-26 Wacom Co Ltd 位置検出装置およびその位置指示器
US6150600A (en) * 1998-12-01 2000-11-21 Buchla; Donald F. Inductive location sensor system and electronic percussion system
TWI304559B (ja) * 2002-05-24 2008-12-21 Waltop Int Corp
DE602004027184D1 (de) * 2003-03-28 2010-07-01 Wacom Co Ltd Positionsdetektionssystem
JP2005352572A (ja) * 2004-06-08 2005-12-22 Canon Inc 座標入力装置
CN101276319B (zh) * 2008-02-05 2010-04-21 北京飞天诚信科技有限公司 一种将usb接口分时应用为标准i/o接口的设备及方法
JP5430339B2 (ja) 2009-10-19 2014-02-26 株式会社ワコム 位置検出装置及び位置指示器
WO2016056272A1 (ja) * 2014-10-06 2016-04-14 株式会社ワコム 検出装置、入力装置及び検出方法
CN112578918A (zh) * 2015-05-21 2021-03-30 株式会社和冠 主动式触控笔
US10642435B2 (en) * 2018-03-29 2020-05-05 Cirrus Logic, Inc. False triggering prevention in a resonant phase sensing system
US11536758B2 (en) 2019-02-26 2022-12-27 Cirrus Logic, Inc. Single-capacitor inductive sense systems
US11402946B2 (en) 2019-02-26 2022-08-02 Cirrus Logic, Inc. Multi-chip synchronization in sensor applications
US10948313B2 (en) 2019-02-26 2021-03-16 Cirrus Logic, Inc. Spread spectrum sensor scanning using resistive-inductive-capacitive sensors
US11579030B2 (en) 2020-06-18 2023-02-14 Cirrus Logic, Inc. Baseline estimation for sensor system
US11868540B2 (en) 2020-06-25 2024-01-09 Cirrus Logic Inc. Determination of resonant frequency and quality factor for a sensor system
US11835410B2 (en) 2020-06-25 2023-12-05 Cirrus Logic Inc. Determination of resonant frequency and quality factor for a sensor system
US11619519B2 (en) 2021-02-08 2023-04-04 Cirrus Logic, Inc. Predictive sensor tracking optimization in multi-sensor sensing applications
US11821761B2 (en) 2021-03-29 2023-11-21 Cirrus Logic Inc. Maximizing dynamic range in resonant sensing
US11808669B2 (en) 2021-03-29 2023-11-07 Cirrus Logic Inc. Gain and mismatch calibration for a phase detector used in an inductive sensor
US11507199B2 (en) 2021-03-30 2022-11-22 Cirrus Logic, Inc. Pseudo-differential phase measurement and quality factor compensation
US11979115B2 (en) 2021-11-30 2024-05-07 Cirrus Logic Inc. Modulator feedforward compensation
US11854738B2 (en) 2021-12-02 2023-12-26 Cirrus Logic Inc. Slew control for variable load pulse-width modulation driver and load sensing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333216B2 (ja) * 1980-09-12 1988-07-04 Sony Corp
JPH0248724A (ja) * 1988-08-10 1990-02-19 Graphtec Corp コードレスタブレット
JPH03189717A (ja) * 1989-12-19 1991-08-19 Wacom Co Ltd 位置検出装置及びその位置指示器
JPH047721A (ja) * 1990-04-26 1992-01-13 Seiko Instr Inc 座標入力装置
JPH0424720A (ja) * 1990-05-15 1992-01-28 Seiko Instr Inc 座標読み取り装置の走査方式
JPH0424716A (ja) * 1990-05-15 1992-01-28 Seiko Instr Inc ワイヤレス座標読取装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333216A (ja) * 1986-07-17 1988-02-12 渋谷工業株式会社 容器取出装置
JPS6370326A (ja) * 1986-09-12 1988-03-30 Wacom Co Ltd 位置検出装置
US4959805A (en) * 1987-03-17 1990-09-25 Alps Electric Co., Ltd. Coordinate detecting device
KR0122737B1 (ko) * 1987-12-25 1997-11-20 후루다 모또오 위치 검출 장치
US4926010A (en) * 1989-06-30 1990-05-15 Nynex Corporation Compact keyboard with entry of keyed and graphic information
GB9007149D0 (en) * 1990-03-30 1990-05-30 Gen Foods Kraft Ltd Comestibles containing packages
JPH0792722B2 (ja) * 1992-02-21 1995-10-09 グラフテック株式会社 デジタイザ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333216B2 (ja) * 1980-09-12 1988-07-04 Sony Corp
JPH0248724A (ja) * 1988-08-10 1990-02-19 Graphtec Corp コードレスタブレット
JPH03189717A (ja) * 1989-12-19 1991-08-19 Wacom Co Ltd 位置検出装置及びその位置指示器
JPH047721A (ja) * 1990-04-26 1992-01-13 Seiko Instr Inc 座標入力装置
JPH0424720A (ja) * 1990-05-15 1992-01-28 Seiko Instr Inc 座標読み取り装置の走査方式
JPH0424716A (ja) * 1990-05-15 1992-01-28 Seiko Instr Inc ワイヤレス座標読取装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0582718A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111819529A (zh) * 2018-05-02 2020-10-23 普瑞有限公司 用于测定位置信息的具有操作部件和电磁交变场影响的输入设备

Also Published As

Publication number Publication date
DE69326657D1 (de) 1999-11-11
EP0582718B1 (en) 1999-10-06
US5567920A (en) 1996-10-22
DE69326657T2 (de) 2000-03-02
EP0582718A1 (en) 1994-02-16
EP0582718A4 (en) 1994-09-07

Similar Documents

Publication Publication Date Title
WO1993018448A1 (en) Position input device and keyboard apparatus
CA2015553A1 (en) Radio transmitter capable of compensating for a frequency characteristic of an antenna and/or a coupling circuit
FI842468A0 (fi) Fjaerrstyrningssystem foer elektriska och elektroniska apparater, speciellt foer underhaollningselektronikapparater.
GB8720088D0 (en) Infra-red receiver
AU8091898A (en) Wake-up circuit for an electronic apparatus
WO1979000196A1 (en) Pre-intrusion detection device
AU7157991A (en) Amplitude locked loop circuits
CA2075991A1 (en) Security system for surveilling the passage of commodities through defined zones
US3376507A (en) Balanced microwave hybrid function mixer assembly
GB2154037A (en) Alarm unit
CA2220807A1 (en) Motion detection with rfi/emi protection
CA2178901A1 (en) Circular magnetic target for an electronic article surveillance system
US4156857A (en) Method of reducing spurious signal generation in passive microwave components
JPS55122146A (en) Elastic wave receiver
EP0367487A3 (en) Rf signal direction finding apparatus
AU3421295A (en) Apparatus for electronic article surveillance
TW259905B (en) Micro-oscillation detecting device
HUNTLEY Unidirectional amplitude sensitive noise riding threshold circuit(Patent)
CYR Acoustic transponder receiver circuit(Patent)
JPS6477225A (en) High-frequency transmission equipment
JPS6458121A (en) Touch switch
CA2009315A1 (en) Amplifying circuit
JPS5689075A (en) Object detector
JPS56130674A (en) Detection for moving object using phase difference of microwave
JPS551570A (en) Moving object detector

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): DE FR GB IT NL

WWE Wipo information: entry into national phase

Ref document number: 1993904347

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 08140073

Country of ref document: US

WWP Wipo information: published in national office

Ref document number: 1993904347

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1993904347

Country of ref document: EP