DE3484763D1 - Gestufter polygonfoermiger abtastspiegel. - Google Patents

Gestufter polygonfoermiger abtastspiegel.

Info

Publication number
DE3484763D1
DE3484763D1 DE8484201329T DE3484763T DE3484763D1 DE 3484763 D1 DE3484763 D1 DE 3484763D1 DE 8484201329 T DE8484201329 T DE 8484201329T DE 3484763 T DE3484763 T DE 3484763T DE 3484763 D1 DE3484763 D1 DE 3484763D1
Authority
DE
Germany
Prior art keywords
polygone
stepped
scale mirror
mirror
scale
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.)
Expired - Lifetime
Application number
DE8484201329T
Other languages
English (en)
Inventor
Neal Diepeveen
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.)
Magnavox Government and Industrial Electronics Co
Philips North America LLC
Original Assignee
Magnavox Government and Industrial Electronics Co
Magnavox Co
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 Magnavox Government and Industrial Electronics Co, Magnavox Co filed Critical Magnavox Government and Industrial Electronics Co
Application granted granted Critical
Publication of DE3484763D1 publication Critical patent/DE3484763D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Radiation Pyrometers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE8484201329T 1983-09-26 1984-09-14 Gestufter polygonfoermiger abtastspiegel. Expired - Lifetime DE3484763D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/535,478 US4518218A (en) 1983-09-26 1983-09-26 Stepped polygon scan mirror

Publications (1)

Publication Number Publication Date
DE3484763D1 true DE3484763D1 (de) 1991-08-08

Family

ID=24134420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484201329T Expired - Lifetime DE3484763D1 (de) 1983-09-26 1984-09-14 Gestufter polygonfoermiger abtastspiegel.

Country Status (4)

Country Link
US (1) US4518218A (de)
EP (1) EP0137552B1 (de)
JP (1) JPS6095512A (de)
DE (1) DE3484763D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889418A (en) * 1986-03-31 1989-12-26 Hughes Aircraft Company Rotating cylindrical beam splitter
AT395571B (de) * 1986-10-17 1993-01-25 Voest Alpine Eisenbahnsysteme Einrichtung zum erfassen der raeumlichen orientierung von unzulaessig erwaermten stellen von radlagern und/oder radlaufflaechen von schienenfahrzeugen
JPH02273712A (ja) * 1989-04-14 1990-11-08 Hitachi Koki Co Ltd 回転多面鏡
US5223700A (en) * 1989-07-07 1993-06-29 Sumitomo Electric Industries, Inc. Bar code reader having a polygon mirror providing different scan line lengths
JPH0486723A (ja) * 1990-07-31 1992-03-19 Toshiba Corp 多面体鏡及びその製造方法
KR100224612B1 (ko) * 1996-12-27 1999-10-15 윤종용 레이저 스캐닝 유닛트
US6542304B2 (en) 1999-05-17 2003-04-01 Toolz, Ltd. Laser beam device with apertured reflective element
US7057326B2 (en) * 2003-05-29 2006-06-06 General Electric Company Rotor body containment shell with reduced windage losses
US10122847B2 (en) * 2014-07-20 2018-11-06 Google Technology Holdings LLC Electronic device and method for detecting presence and motion
DE102016108234A1 (de) * 2016-05-03 2017-11-09 Pch Innovations Gmbh Lichtreflektierendes Objekt und Verfahren zum Bereitstellen eines solchen Objekts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488102A (en) * 1966-03-25 1970-01-06 Technical Operations Inc Laser beam scanning apparatus
US3614193A (en) * 1970-04-15 1971-10-19 Columbia Broadcasting Systems Light scanning system utilizing diffraction optics
GB1484006A (en) * 1973-08-06 1977-08-24 Hawker Siddeley Dynamics Ltd Optical scanning systems
GB1510460A (en) * 1974-06-10 1978-05-10 Hawker Siddeley Dynamics Ltd Optical scanning systems
US3944323A (en) * 1974-12-23 1976-03-16 Xerox Corporation Variable spot size scanning system
JPS5846317A (ja) * 1981-09-12 1983-03-17 Canon Inc レ−ザ走査光学系

Also Published As

Publication number Publication date
EP0137552A2 (de) 1985-04-17
EP0137552B1 (de) 1991-07-03
US4518218A (en) 1985-05-21
EP0137552A3 (en) 1987-09-02
JPH0376726B2 (de) 1991-12-06
JPS6095512A (ja) 1985-05-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee