JPH08508356A - 発光ダイオードを用いて表面を照明し、その表面のイメージを読取る方法および装置 - Google Patents
発光ダイオードを用いて表面を照明し、その表面のイメージを読取る方法および装置Info
- Publication number
- JPH08508356A JPH08508356A JP6519098A JP51909894A JPH08508356A JP H08508356 A JPH08508356 A JP H08508356A JP 6519098 A JP6519098 A JP 6519098A JP 51909894 A JP51909894 A JP 51909894A JP H08508356 A JPH08508356 A JP H08508356A
- Authority
- JP
- Japan
- Prior art keywords
- image
- leds
- illuminating
- reading
- ccd
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/1092—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing by means of TV-scanning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. (a)表面を照明するためのLEDの2次元アレーと、(b) 照明され た表面のイメージを読取って、読取られたイメージを表わす出力信号を供給する イメージ読取り手段と、からなる表面を照明し、その表面のイメージを読取る装 置。 2. イメージ読取り手段はCCDを備えたカメラである請求項1の表面を照明 し、その表面のイメージを読取る装置。 3. LEDの2次元アレーは、中心に貫通開口が形成された平坦な表面上に支 持されている、請求項1の表面を照明し、その表面のイメージを読取る装置。 4. CCDを備えたカメラはレンズ構体を有し、該レンズ構体は平坦な表面に 形成された開口中に配置されている、請求項3の表面を照明し、その表面のイメ ージを読取る装置。 5. LEDの2次元アレーとCCDを備えたカメラのレンズ構体は、概して垂 直な不透明な側壁を有し、底部に開口が形成された概して筒状のカバーの上部の 内部に取付けられている、請求項4の表面を照明し、その表面のイメージを読取 る装置。 6. 底部開口はカバーの垂直壁の下端によって形成されており、上記下端は実 質的に平面内にある、請求項5の表面を照明し、その表面のイメージ読取る装置 。 7. LEDの2次元アレーより下方のカバーの実質的に全内面が上記LEDの 2次元アレーによって放射された光に対して反射性である、請求項5の表面を照 明し、その表面のイメージを読取る装置。 8. LEDの2次元アレーは平坦な表面上に一連の水平方向の行をなして配置 されており、各水平方向の行内のLED相互間には等しい間隔が設けられており 、また上記水平方向の行相互間には等しい間隔が設けられている、請求項3の表 面を照明し、その表面のイメージを読取る装置。 9. 各水平方向の行は、先行する行中のLEDと後続する行中のLEDの中心 間距離の1/2だけオフセットしている、請求項7の表面を照明し、その表面の イメージを読取る装置。 10. (a)LEDの2次元アレーを使用して対象物の表面を照明するステッ プと、(b)照明された対象物の表面のイメージを読取り、読取られたイメージ を表わす出力信号を供給するイメージ読取りステップと、からなる表面を照明し 、その表面のイメージを読取る方法。 11. イメージを読取るステップはCCDを備えたカメラを用いて行われる、 請求項10の表面を照明し、その表面のイメージを読取る方法。 12. LEDの2次元アレーは中心に貫通開口が形成された平坦な面上に支持 されている、請求項10の表面を照明し、その表面のイメージを読取る方法。 13. イメージを読取るステップはCCDを備えたカメラを用いて行われ、上 記CCDを備えたカメラはレンズ構体を有し、該レンズ構体は表面に関して予め 設定された位置にある平坦な面内にある開口を貫通して配置されている、請求項 11の表面を照明し、その表面のイメージを読取る方法。 14. LEDの2次元アレーとCCDを備えたカメラのレンズ構体は、概して 垂直な不透明な側壁を有し、底部に開口が形成された概して筒状のカバーの上部 の内部に取付けられており、上記の概して垂直の不透明な側壁の下端は底部開口 を形成しており、上記下端は実質的に平面内にある、請求項12の表面を照明し 、その表面のイメージを読取る方法。 15. LEDは平坦な面上に一連の水平方向の行をなして配置されており、各 水平方向の行内のLED相互間には等しい間隔が設けられており、また上記水平 方向の行相互間には等しい間隔が設けられている、請求項11の表面を照明し、 その表面のイメージを読取る方法。 16. 各水平方向は、先行する行中のLEDと後続する行中のLEDの中心間 距離の1/2だけオフセットしている、請求項14の表面を照明し、その表面の イメージを読取る方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/019,220 US5408084A (en) | 1993-02-18 | 1993-02-18 | Method and apparatus for illumination and imaging of a surface using 2-D LED array |
US081019,220 | 1993-02-18 | ||
US019,220 | 1993-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08508356A true JPH08508356A (ja) | 1996-09-03 |
JP2877517B2 JP2877517B2 (ja) | 1999-03-31 |
Family
ID=21792067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6519098A Expired - Fee Related JP2877517B2 (ja) | 1993-02-18 | 1994-02-17 | 表面を照明し、その表面のイメージを読取る方法および装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5408084A (ja) |
EP (1) | EP0685091B1 (ja) |
JP (1) | JP2877517B2 (ja) |
AT (1) | ATE188566T1 (ja) |
AU (1) | AU6241094A (ja) |
CA (1) | CA2156152C (ja) |
DE (1) | DE69422499D1 (ja) |
ES (1) | ES2141821T3 (ja) |
GR (1) | GR3032937T3 (ja) |
WO (1) | WO1994019764A1 (ja) |
Cited By (1)
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JP2007188516A (ja) * | 2001-03-08 | 2007-07-26 | Hand Held Products Inc | 光学読取装置撮像モジュール |
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- 1993-02-18 US US08/019,220 patent/US5408084A/en not_active Expired - Lifetime
-
1994
- 1994-02-17 JP JP6519098A patent/JP2877517B2/ja not_active Expired - Fee Related
- 1994-02-17 EP EP94909644A patent/EP0685091B1/en not_active Expired - Lifetime
- 1994-02-17 ES ES94909644T patent/ES2141821T3/es not_active Expired - Lifetime
- 1994-02-17 WO PCT/US1994/001661 patent/WO1994019764A1/en active IP Right Grant
- 1994-02-17 CA CA002156152A patent/CA2156152C/en not_active Expired - Lifetime
- 1994-02-17 AT AT94909644T patent/ATE188566T1/de not_active IP Right Cessation
- 1994-02-17 DE DE69422499T patent/DE69422499D1/de not_active Expired - Lifetime
- 1994-02-17 AU AU62410/94A patent/AU6241094A/en not_active Abandoned
-
2000
- 2000-03-10 GR GR20000400633T patent/GR3032937T3/el not_active IP Right Cessation
Cited By (2)
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---|---|---|---|---|
JP2007188516A (ja) * | 2001-03-08 | 2007-07-26 | Hand Held Products Inc | 光学読取装置撮像モジュール |
JP4559443B2 (ja) * | 2001-03-08 | 2010-10-06 | ハンド ヘルド プロダクツ インコーポレーティッド | 光学読取装置撮像モジュール |
Also Published As
Publication number | Publication date |
---|---|
WO1994019764A1 (en) | 1994-09-01 |
US5408084A (en) | 1995-04-18 |
ES2141821T3 (es) | 2000-04-01 |
CA2156152A1 (en) | 1994-09-01 |
ATE188566T1 (de) | 2000-01-15 |
JP2877517B2 (ja) | 1999-03-31 |
AU6241094A (en) | 1994-09-14 |
GR3032937T3 (en) | 2000-07-31 |
DE69422499D1 (de) | 2000-02-10 |
EP0685091B1 (en) | 2000-01-05 |
EP0685091A1 (en) | 1995-12-06 |
CA2156152C (en) | 1999-12-28 |
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