JP2008009986A - レーザ・ビーム散乱用スピナ - Google Patents
レーザ・ビーム散乱用スピナ Download PDFInfo
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- JP2008009986A JP2008009986A JP2007168002A JP2007168002A JP2008009986A JP 2008009986 A JP2008009986 A JP 2008009986A JP 2007168002 A JP2007168002 A JP 2007168002A JP 2007168002 A JP2007168002 A JP 2007168002A JP 2008009986 A JP2008009986 A JP 2008009986A
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- JP
- Japan
- Prior art keywords
- spinner
- mirrored
- apex angle
- facets
- offset
- 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.)
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- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
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- 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
- G06K7/10554—Moving beam scanning
- G06K7/10594—Beam path
- G06K7/10603—Basic scanning using moving elements
- G06K7/10613—Basic scanning using moving elements by rotation, e.g. polygon
- G06K7/10623—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
【解決手段】このミラー付きスピナは、第2の数の対のオフセット・ミラー付きファセットを含む第1の数のミラー付きファセットを含む。
【選択図】図1
Description
Claims (15)
- レーザ・ビームを散乱するためのスピナであって、
第1の数のミラー付きファセットを備え、前記第1の数のミラー付きファセットが第2の数の対のオフセット・ミラー付きファセットを含むスピナ。 - 前記第1の数が少なくとも4である、請求項1に記載のスピナ。
- 前記第1の数が少なくとも6である、請求項1に記載のスピナ。
- 前記第2の数が少なくとも2である、請求項1に記載のスピナ。
- 前記オフセット・ミラー付きファセットが、多角形の頂角からオフセット角を加算および減算することにより決まる第1および第2の頂角を有する、請求項3に記載のスピナ。
- 前記オフセット角が約15度である、請求項5に記載のスピナ。
- レーザ・ビームを散乱するためのスピナであって、
第1の頂角を有する第1の対の隣接するミラー付きファセットと、
前記第1の頂角とは異なる第2の頂角を有する第2の対の隣接するミラー付きファセットとを含む多数のミラー付きファセットを備えるスピナ。 - 前記第1の頂角が、多角形の頂角へのオフセット角の加算により決まり、前記第2の頂角が、多角形の頂角への前記オフセット角の加算により決まる、請求項7に記載のスピナ。
- 前記第1および第2の対の隣接するミラー付きファセットが、一方の端部のところで短くなり、対向端部上を延びる走査ビームを生成する、請求項7に記載のスピナ。
- 第1のグループの1つ置きのミラー付きファセットが、右の端部上で短くなり、左の端部上を延びる第1の組の走査ビームを生成し、第2のグループの1つ置きのミラー付きファセットが、左の端部上で短くなり、右の端部上を延びる第2の組の走査ビームを生成する、請求項9に記載のスピナ。
- 前記第1および第2の組の走査ビームが飛び越し走査する、請求項10に記載のスピナ。
- バーコード・スキャナであって、
レーザ・ビームを生成するためのレーザと、
前記レーザ・ビームから走査ビームを生成するためのスピナとを備え、前記スピナが、
第1の頂角を有する第1の対の隣接するミラー付きファセットと、
前記第1の頂角とは異なる第2の頂角を有する第2の対の隣接するミラー付きファセットとを含み、さらに、
走査ビームから走査線を生成するための複数のパターン・ミラーを備えるバーコード・スキャナ。 - 前記走査ビームが、一方の端部上で短くなり、対向端部上を延びる、請求項12に記載のスキャナ。
- 前記スピナが6つのミラー付きファセットを備える、請求項13に記載のスピナ。
- 前記パターン・ミラーが、前記走査ビームを、6つの水平走査線、3つの左の垂直走査線、3つの右の走査線、3つの左の斜め走査線、および3つの右の斜め走査線に分割する、請求項14に記載のスピナ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/426,324 | 2006-06-26 | ||
US11/426,324 US7992785B2 (en) | 2006-06-26 | 2006-06-26 | Mirrored spinner with paired offset facets |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008009986A true JP2008009986A (ja) | 2008-01-17 |
JP5026866B2 JP5026866B2 (ja) | 2012-09-19 |
Family
ID=38542641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007168002A Expired - Fee Related JP5026866B2 (ja) | 2006-06-26 | 2007-06-26 | 多角形ミラー付きスピナ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7992785B2 (ja) |
EP (1) | EP1873685B1 (ja) |
JP (1) | JP5026866B2 (ja) |
CN (1) | CN101131473B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8786835B1 (en) | 2012-03-26 | 2014-07-22 | Lockheed Martin Corporation | System, apparatus and method for detecting presence and range of an object |
DE102017127420A1 (de) * | 2017-11-21 | 2019-05-23 | Sick Ag | Polygonscanner und Verfahren zum Erfassen von Objekten in einem Überwachungsbereich |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02278222A (ja) * | 1989-04-20 | 1990-11-14 | Fujitsu Ltd | 光走査装置 |
US5484990A (en) * | 1993-12-15 | 1996-01-16 | Ncr Corporation Information Solutions Company | Multiple depth of field laser optical scanner |
JPH11202247A (ja) * | 1998-01-16 | 1999-07-30 | Fuji Xerox Co Ltd | 光走査装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4003627A (en) * | 1975-05-02 | 1977-01-18 | Litton Business Systems, Inc. | POS optical scanning station with slotted planar plate |
US4018504A (en) | 1975-05-02 | 1977-04-19 | Sweda International, Inc. | Retro-reflective multiple-X optical scanning system |
US4413878A (en) * | 1977-09-13 | 1983-11-08 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Imaging systems |
SE427516B (sv) | 1981-11-10 | 1983-04-11 | Ericsson Telefon Ab L M | Sett och anordning for att korrigera distortion i en pa elektronisk veg upptecknad av bildelement lengs linjer uppbyggd bild |
US5475207A (en) | 1992-07-14 | 1995-12-12 | Spectra-Physics Scanning Systems, Inc. | Multiple plane scanning system for data reading applications |
US6237851B1 (en) | 1999-03-29 | 2001-05-29 | Ncr Corporation | Dual mode barcode scanner |
US6693723B2 (en) | 2001-01-12 | 2004-02-17 | Hewlett-Packard Development Company, Lp. | Image forming device fast draft print mode |
SE524141C2 (sv) * | 2002-11-11 | 2004-07-06 | Elinnova Hb | Anordning för konvertering av ljus |
-
2006
- 2006-06-26 US US11/426,324 patent/US7992785B2/en active Active
-
2007
- 2007-06-25 EP EP07110991A patent/EP1873685B1/en not_active Expired - Fee Related
- 2007-06-26 JP JP2007168002A patent/JP5026866B2/ja not_active Expired - Fee Related
- 2007-06-26 CN CN2007101126505A patent/CN101131473B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02278222A (ja) * | 1989-04-20 | 1990-11-14 | Fujitsu Ltd | 光走査装置 |
US5484990A (en) * | 1993-12-15 | 1996-01-16 | Ncr Corporation Information Solutions Company | Multiple depth of field laser optical scanner |
JPH11202247A (ja) * | 1998-01-16 | 1999-07-30 | Fuji Xerox Co Ltd | 光走査装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070295816A1 (en) | 2007-12-27 |
US7992785B2 (en) | 2011-08-09 |
EP1873685A2 (en) | 2008-01-02 |
EP1873685A3 (en) | 2009-05-06 |
JP5026866B2 (ja) | 2012-09-19 |
EP1873685B1 (en) | 2012-01-18 |
CN101131473A (zh) | 2008-02-27 |
CN101131473B (zh) | 2012-10-24 |
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