HK17890A - Leading mark - Google Patents

Leading mark

Info

Publication number
HK17890A
HK17890A HK178/90A HK17890A HK17890A HK 17890 A HK17890 A HK 17890A HK 178/90 A HK178/90 A HK 178/90A HK 17890 A HK17890 A HK 17890A HK 17890 A HK17890 A HK 17890A
Authority
HK
Hong Kong
Prior art keywords
leading mark
mark
leading
Prior art date
Application number
HK178/90A
Other languages
English (en)
Inventor
Lars Anders Bergkvist
Original Assignee
Bergkvist Lars A
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 Bergkvist Lars A filed Critical Bergkvist Lars A
Publication of HK17890A publication Critical patent/HK17890A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/60—Systems using moiré fringes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Instrument Panels (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Length Measuring Devices By Optical Means (AREA)
HK178/90A 1980-09-22 1990-03-08 Leading mark HK17890A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8006622A SE422117B (sv) 1980-09-22 1980-09-22 Anordning for utmerkande av enslinjer
PCT/SE1981/000266 WO1982001078A1 (en) 1980-09-22 1981-09-17 Leading mark

Publications (1)

Publication Number Publication Date
HK17890A true HK17890A (en) 1990-03-16

Family

ID=20341788

Family Applications (1)

Application Number Title Priority Date Filing Date
HK178/90A HK17890A (en) 1980-09-22 1990-03-08 Leading mark

Country Status (14)

Country Link
US (1) US4474430A (pt)
EP (1) EP0059741B1 (pt)
JP (1) JPH0263211B2 (pt)
AU (1) AU549383B2 (pt)
BR (1) BR8108806A (pt)
CH (1) CH662190A5 (pt)
DE (1) DE3152377A1 (pt)
GB (1) GB2098341B (pt)
HK (1) HK17890A (pt)
NL (1) NL185689C (pt)
SE (1) SE422117B (pt)
SU (1) SU1327800A3 (pt)
WO (1) WO1982001078A1 (pt)
ZA (1) ZA816420B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426987B (sv) * 1981-09-16 1983-02-21 Inogon Licens Ab Enslinjeindikator
WO2008139388A1 (en) * 2007-05-14 2008-11-20 Koninklijke Philips Electronics N.V. A decorative moiré effect appliance
CN103278144A (zh) * 2013-05-06 2013-09-04 天津市航翼光电科技有限公司 一种导向信标显示器
CN107797171B (zh) * 2017-12-13 2020-03-10 常熟市电子仪器厂 光学引导装置用光栅的设计方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6817007A (pt) * 1968-11-28 1970-06-01
CA945360A (en) * 1970-06-02 1974-04-16 Bendix Corporation (The) Moire fringe device and method of determining displacements using moire fringes
SE400644B (sv) * 1976-10-15 1978-04-03 Bergkvist Lars A Anordning for optisk, foretredesvis visuell bestemning av ett visst plan
SE408734B (sv) * 1977-09-09 1979-07-02 Bergkvist Lars A Anordning vid raster avsedda att ge upphov till ett moiremonster
SE408480B (sv) * 1977-10-12 1979-06-11 Bergkvist Lars A Anordning vid ett instrument for optisk foretredesvis visuell bestemning av ett visst plan

Also Published As

Publication number Publication date
NL185689B (nl) 1990-01-16
EP0059741B1 (en) 1985-01-02
BR8108806A (pt) 1982-08-24
SU1327800A3 (ru) 1987-07-30
WO1982001078A1 (en) 1982-04-01
ZA816420B (en) 1982-09-29
AU7640281A (en) 1982-04-14
CH662190A5 (de) 1987-09-15
AU549383B2 (en) 1986-01-23
US4474430A (en) 1984-10-02
DE3152377A1 (en) 1982-09-23
JPS57501450A (pt) 1982-08-12
JPH0263211B2 (pt) 1990-12-27
GB2098341B (en) 1985-01-30
GB2098341A (en) 1982-11-17
NL185689C (nl) 1990-06-18
EP0059741A1 (en) 1982-09-15
DE3152377C2 (pt) 1990-12-13
SE422117B (sv) 1982-02-15
NL8120346A (nl) 1982-08-02

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