JP2006024127A - 情報伝送装置 - Google Patents
情報伝送装置 Download PDFInfo
- Publication number
- JP2006024127A JP2006024127A JP2004203578A JP2004203578A JP2006024127A JP 2006024127 A JP2006024127 A JP 2006024127A JP 2004203578 A JP2004203578 A JP 2004203578A JP 2004203578 A JP2004203578 A JP 2004203578A JP 2006024127 A JP2006024127 A JP 2006024127A
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- JP
- Japan
- Prior art keywords
- information
- binary
- code
- resonance circuit
- digital information
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000000605 extraction Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 19
- 230000004044 response Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 10
- 239000000872 buffer Substances 0.000 description 8
- 230000010354 integration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
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- H04B5/22—
-
- 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
- G06F3/033—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
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
-
- 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
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- H04B5/77—
Abstract
【解決手段】一定の電圧まで充電された可変コンデンサが所定の抵抗を通して放電され、その端子電圧が一定の閾値電圧を下回るまでの間、一定の周波数の交流信号を計数する(step3〜step8)ことにより得られた筆圧に対応するバイナリコードの連続量情報Aをグレイコードに変換して連続量情報Bとし(step9)、このグレイコードの連続量情報Bの‘0’及び‘1’に応じて共振回路を開放及び短絡状態とすることにより、当該連続量情報Bを伝送する。
【選択図】図3
Description
Claims (4)
- 共振回路と、
外部から送信される電磁波により共振回路に生起した誘導電圧から各部を駆動するための電源を抽出する電源抽出手段と、
アナログ情報を検出し、該アナログ情報に対応する2ビット以上の2進符号からなるデジタル情報を発生するデジタル情報発生手段と、
前記電磁波の少なくとも一部に同期したタイミングに前記2進符号の‘0’または‘1’のいずれか一方に応じて共振回路を短絡状態とする共振特性制御手段とを備え、
前記2進符号として、隣接するアナログ情報に対応する2つの符号間の相違が常に一つのビット値のみであるものを用いて前記デジタル情報を伝送することで、電源電圧の変動を抑え、アナログ情報を安定して検出可能とする
ことを特徴とする情報伝送装置。 - 前記2進符号としてグレイコードを用いたことを特徴とする請求項1記載の情報伝送装置。
- アナログ情報をバイナリコード化する符号化手段と、
バイナリコードをグレイコードに変換するコード変換手段とからなるデジタル情報発生手段を備えた
ことを特徴とする請求項2記載の情報伝送装置。 - 符号化手段として、
アナログ情報を時間の長さに変換し、該変換された時間中、一定の周波数の交流信号を計数することによりバイナリコード化する符号化手段を用いた
ことを特徴とする請求項3記載の情報伝送装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004203578A JP2006024127A (ja) | 2004-07-09 | 2004-07-09 | 情報伝送装置 |
EP05013429A EP1615346B1 (en) | 2004-07-09 | 2005-06-22 | Information transmitting device |
US11/176,679 US7176814B2 (en) | 2004-07-09 | 2005-07-08 | Information transmitting device |
US11/705,000 US7339497B2 (en) | 2004-07-09 | 2007-02-12 | Information transmitting device |
US12/041,236 US7528743B2 (en) | 2004-07-09 | 2008-03-03 | Information transmitting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004203578A JP2006024127A (ja) | 2004-07-09 | 2004-07-09 | 情報伝送装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006024127A true JP2006024127A (ja) | 2006-01-26 |
Family
ID=35464482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004203578A Pending JP2006024127A (ja) | 2004-07-09 | 2004-07-09 | 情報伝送装置 |
Country Status (3)
Country | Link |
---|---|
US (3) | US7176814B2 (ja) |
EP (1) | EP1615346B1 (ja) |
JP (1) | JP2006024127A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017123004A (ja) * | 2016-01-06 | 2017-07-13 | 株式会社ワコム | 位置指示器及び位置指示方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7401075B2 (en) | 2003-06-11 | 2008-07-15 | Wtviii, Inc. | System for viewing and indexing mark up language messages, forms and documents |
JP5011541B2 (ja) * | 2007-09-11 | 2012-08-29 | 株式会社ワコム | 位置指示器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01296712A (ja) * | 1988-05-25 | 1989-11-30 | Agency Of Ind Science & Technol | カウントデータ出力回路 |
JP3135183B2 (ja) * | 1993-10-29 | 2001-02-13 | 株式会社ワコム | 位置指示器 |
JPH07182094A (ja) * | 1993-12-22 | 1995-07-21 | Wacom Co Ltd | 位置検出装置及びその位置指示器 |
JPH09244589A (ja) * | 1996-03-11 | 1997-09-19 | Toshiba Corp | 表示装置 |
EP0838066B1 (en) * | 1996-05-08 | 2004-06-30 | Koninklijke Philips Electronics N.V. | Graphic tablet |
US6167094A (en) * | 1996-10-15 | 2000-12-26 | Siemens Aktiengesellschaft | Data transmission circuit having a station and a response circuit |
FR2782209A1 (fr) | 1998-08-06 | 2000-02-11 | Innovatron Electronique | Objet portatif telealimente pour la communication sans contact par voie inductive avec une borne |
US6710708B2 (en) * | 1999-02-05 | 2004-03-23 | Schrader-Bridgeport International, Inc. | Method and apparatus for a remote tire pressure monitoring system |
EP1410353B1 (en) * | 2001-06-14 | 2009-12-30 | RF Code, Inc. | Wireless identification method and tag |
GB0122163D0 (en) * | 2001-09-13 | 2001-10-31 | Tagtec Ltd | Wireless communication system |
JP2005182608A (ja) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Ind Co Ltd | 無線タグ |
US20070080805A1 (en) * | 2005-05-20 | 2007-04-12 | Franklin Lukass R | Point of selection merchandise display system |
-
2004
- 2004-07-09 JP JP2004203578A patent/JP2006024127A/ja active Pending
-
2005
- 2005-06-22 EP EP05013429A patent/EP1615346B1/en not_active Expired - Fee Related
- 2005-07-08 US US11/176,679 patent/US7176814B2/en not_active Expired - Fee Related
-
2007
- 2007-02-12 US US11/705,000 patent/US7339497B2/en not_active Expired - Fee Related
-
2008
- 2008-03-03 US US12/041,236 patent/US7528743B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017123004A (ja) * | 2016-01-06 | 2017-07-13 | 株式会社ワコム | 位置指示器及び位置指示方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1615346A2 (en) | 2006-01-11 |
US20070205923A1 (en) | 2007-09-06 |
EP1615346A3 (en) | 2009-08-12 |
US7176814B2 (en) | 2007-02-13 |
US7339497B2 (en) | 2008-03-04 |
US7528743B2 (en) | 2009-05-05 |
US20080159433A1 (en) | 2008-07-03 |
EP1615346B1 (en) | 2013-03-13 |
US20060007033A1 (en) | 2006-01-12 |
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