JPH0248724A - コードレスタブレット - Google Patents

コードレスタブレット

Info

Publication number
JPH0248724A
JPH0248724A JP63199668A JP19966888A JPH0248724A JP H0248724 A JPH0248724 A JP H0248724A JP 63199668 A JP63199668 A JP 63199668A JP 19966888 A JP19966888 A JP 19966888A JP H0248724 A JPH0248724 A JP H0248724A
Authority
JP
Japan
Prior art keywords
frequency
circuit
sense
position indicator
drive
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.)
Granted
Application number
JP63199668A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0519165B2 (enrdf_load_stackoverflow
Inventor
Tadayoshi Yamamoto
山本　侃良
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.)
Graphtec Corp
Original Assignee
Graphtec Corp
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 Graphtec Corp filed Critical Graphtec Corp
Priority to JP63199668A priority Critical patent/JPH0248724A/ja
Publication of JPH0248724A publication Critical patent/JPH0248724A/ja
Publication of JPH0519165B2 publication Critical patent/JPH0519165B2/ja
Granted legal-status Critical Current

Links

JP63199668A 1988-08-10 1988-08-10 コードレスタブレット Granted JPH0248724A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63199668A JPH0248724A (ja) 1988-08-10 1988-08-10 コードレスタブレット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63199668A JPH0248724A (ja) 1988-08-10 1988-08-10 コードレスタブレット

Publications (2)

Publication Number Publication Date
JPH0248724A true JPH0248724A (ja) 1990-02-19
JPH0519165B2 JPH0519165B2 (enrdf_load_stackoverflow) 1993-03-16

Family

ID=16411636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63199668A Granted JPH0248724A (ja) 1988-08-10 1988-08-10 コードレスタブレット

Country Status (1)

Country Link
JP (1) JPH0248724A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993018448A1 (en) * 1992-03-02 1993-09-16 Seiko Instruments Inc. Position input device and keyboard apparatus
JP2007531938A (ja) * 2004-04-01 2007-11-08 ファインポイント・イノヴェーションズ・インコーポレーテッド パネルとコードレス・トランスデューサのシステム
JP2012248180A (ja) * 2011-05-28 2012-12-13 Tpk Touch Solutions (Xiamen) Inc タッチポイント検知デバイスおよびそのタッチポイント検知方法
JP2016201129A (ja) * 2006-05-02 2016-12-01 アップル インコーポレイテッド マルチポイントタッチ表面コントローラ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257727A (en) * 1975-11-07 1977-05-12 Hitachi Ltd Character input unit
JPS593537A (ja) * 1982-06-30 1984-01-10 Fujitsu Ltd 文字等の入力装置用入力ペン
JPS60236411A (ja) * 1984-05-09 1985-11-25 オムロン株式会社 スイツチ動作状態検出装置
JPS6366627A (ja) * 1986-09-08 1988-03-25 Wacom Co Ltd 位置指示器の状態検出方式
JPS6370326A (ja) * 1986-09-12 1988-03-30 Wacom Co Ltd 位置検出装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257727A (en) * 1975-11-07 1977-05-12 Hitachi Ltd Character input unit
JPS593537A (ja) * 1982-06-30 1984-01-10 Fujitsu Ltd 文字等の入力装置用入力ペン
JPS60236411A (ja) * 1984-05-09 1985-11-25 オムロン株式会社 スイツチ動作状態検出装置
JPS6366627A (ja) * 1986-09-08 1988-03-25 Wacom Co Ltd 位置指示器の状態検出方式
JPS6370326A (ja) * 1986-09-12 1988-03-30 Wacom Co Ltd 位置検出装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993018448A1 (en) * 1992-03-02 1993-09-16 Seiko Instruments Inc. Position input device and keyboard apparatus
US5567920A (en) * 1992-03-02 1996-10-22 Seiko Instruments Inc. Position reading apparatus and key board apparatus
JP2007531938A (ja) * 2004-04-01 2007-11-08 ファインポイント・イノヴェーションズ・インコーポレーテッド パネルとコードレス・トランスデューサのシステム
US7868873B2 (en) 2004-04-01 2011-01-11 Wacom Co., Ltd. Surface and cordless transducer system
US8022937B2 (en) 2004-04-01 2011-09-20 Wacom Co., Ltd. Surface and cordless transducer system
US8102382B2 (en) 2004-04-01 2012-01-24 Wacom Co., Ltd. Power supplying surface for cordlessly charging portable electronic device
JP2016201129A (ja) * 2006-05-02 2016-12-01 アップル インコーポレイテッド マルチポイントタッチ表面コントローラ
JP2018110041A (ja) * 2006-05-02 2018-07-12 アップル インコーポレイテッド マルチポイントタッチ表面コントローラ
US10915207B2 (en) 2006-05-02 2021-02-09 Apple Inc. Multipoint touch surface controller
JP2012248180A (ja) * 2011-05-28 2012-12-13 Tpk Touch Solutions (Xiamen) Inc タッチポイント検知デバイスおよびそのタッチポイント検知方法

Also Published As

Publication number Publication date
JPH0519165B2 (enrdf_load_stackoverflow) 1993-03-16

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