CH583017A5 - - Google Patents

Info

Publication number
CH583017A5
CH583017A5 CH536375A CH536375A CH583017A5 CH 583017 A5 CH583017 A5 CH 583017A5 CH 536375 A CH536375 A CH 536375A CH 536375 A CH536375 A CH 536375A CH 583017 A5 CH583017 A5 CH 583017A5
Authority
CH
Switzerland
Application number
CH536375A
Original Assignee
Takata Ophthalmic Instr Co Ltd
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 Takata Ophthalmic Instr Co Ltd filed Critical Takata Ophthalmic Instr Co Ltd
Publication of CH583017A5 publication Critical patent/CH583017A5/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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
    • A61B3/1225—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes using coherent radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
CH536375A 1974-04-27 1975-04-25 CH583017A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4803974A JPS561608B2 (xx) 1974-04-27 1974-04-27

Publications (1)

Publication Number Publication Date
CH583017A5 true CH583017A5 (xx) 1976-12-31

Family

ID=12792162

Family Applications (1)

Application Number Title Priority Date Filing Date
CH536375A CH583017A5 (xx) 1974-04-27 1975-04-25

Country Status (5)

Country Link
US (1) US4009940A (xx)
JP (1) JPS561608B2 (xx)
CH (1) CH583017A5 (xx)
DE (1) DE2518565A1 (xx)
FR (1) FR2269096B3 (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2616139C3 (de) * 1976-04-13 1979-03-22 Optische Werke G. Rodenstock, 8000 Muenchen Augenuntersuchungsgerät zur Messung der retinalen Sehschärfe
US4597630A (en) * 1977-04-22 1986-07-01 Grumman Corporation Self-derived reference beam holography using a dove prism
US4129358A (en) * 1977-05-27 1978-12-12 Northern Telecom Limited Optical system for imaging an elongate object in rearranged sections
DE2857265A1 (de) * 1977-12-23 1981-01-29 P Remijan Optical apparatus and method for producing same
US4410244A (en) * 1977-12-23 1983-10-18 Randwal Instrument Co., Inc. Retinal acuity testing device
US4265534A (en) * 1977-12-23 1981-05-05 Remijan Paul W Optical apparatus and method for producing the same
US4541697A (en) * 1981-03-03 1985-09-17 Randwal Instrument Co., Inc. Ophthalmic testing devices
DE3405778C2 (de) * 1984-02-17 1986-01-16 ESG Elektronik-System-GmbH, 8000 München Vorrichtung zur Augenuntersuchung, insbesondere der Stereosehschärfe
IT1213280B (it) * 1984-04-30 1989-12-14 Enea Interferometro ottico con elemento deviatore di tipo dispersivo
US4717240A (en) * 1986-07-21 1988-01-05 The Foxboro Company Interferometeric beamsplitter
GB8826487D0 (en) * 1988-11-11 1988-12-14 Health Lab Service Board Optical determination of velocity
US5173744A (en) * 1991-03-21 1992-12-22 Dybwad Jens R Refractively scanned interferometer
US5528369A (en) * 1993-12-21 1996-06-18 American Cyanamid Company Apparatus for producing interferometric fringe patterns having variable parameters
US6483073B2 (en) * 2000-02-18 2002-11-19 David Benderly Laser marking system and method
US6646745B2 (en) * 2001-10-22 2003-11-11 Triquint Technology Holding Co. Method and apparatus for locking the transmission wavelength in optical communication laser packages
JP4978065B2 (ja) * 2006-06-12 2012-07-18 株式会社日立製作所 電子顕微鏡応用装置
KR20160017718A (ko) * 2014-08-01 2016-02-17 서강대학교산학협력단 평행한 출사빔 제공이 가능한 광학적 소자
US10764571B1 (en) * 2019-04-22 2020-09-01 Snap Inc. Camera holder for economical and simplified test alignment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1383543A (en) * 1919-09-13 1921-07-05 Ives Frederic Eugene Photographic apparatus
US1722356A (en) * 1926-05-28 1929-07-30 John Edward Thornton Optical device for photographic, cinematographic, and other purposes
US1862950A (en) * 1929-06-17 1932-06-14 Technicolor Motion Picture Optical apparatus
GB1088838A (en) * 1964-11-19 1967-10-25 Nat Res Dev Diffraction grating
US3586416A (en) * 1968-07-18 1971-06-22 Philips Corp Light modulator by gated interferometry
US3628866A (en) * 1969-01-24 1971-12-21 Bendix Corp Noncontacting method of measuring strain
US3695749A (en) * 1970-08-07 1972-10-03 Gen Motors Corp Apparatus for producing an interference pattern
US3832063A (en) * 1972-02-01 1974-08-27 Canon Kk Lens axis detection using an interferometer

Also Published As

Publication number Publication date
FR2269096A1 (xx) 1975-11-21
JPS561608B2 (xx) 1981-01-14
FR2269096B3 (xx) 1978-11-10
US4009940A (en) 1977-03-01
JPS50140145A (xx) 1975-11-10
DE2518565A1 (de) 1975-10-30

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Legal Events

Date Code Title Description
PL Patent ceased