JPS50140145A - - Google Patents
Info
- Publication number
- JPS50140145A JPS50140145A JP49048039A JP4803974A JPS50140145A JP S50140145 A JPS50140145 A JP S50140145A JP 49048039 A JP49048039 A JP 49048039A JP 4803974 A JP4803974 A JP 4803974A JP S50140145 A JPS50140145 A JP S50140145A
- Authority
- JP
- Japan
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Optical Elements Other Than Lenses (AREA)
- Eye Examination Apparatus (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4803974A JPS561608B2 (US06350818-20020226-C00016.png) | 1974-04-27 | 1974-04-27 | |
| US05/570,920 US4009940A (en) | 1974-04-27 | 1975-04-22 | Apparatus for producing optical interference pattern with continuously variable fringe spacing |
| CH536375A CH583017A5 (US06350818-20020226-C00016.png) | 1974-04-27 | 1975-04-25 | |
| DE19752518565 DE2518565A1 (de) | 1974-04-27 | 1975-04-25 | Vorrichtung zur erzeugung eines interferenzmusters |
| FR7512955A FR2269096B3 (US06350818-20020226-C00016.png) | 1974-04-27 | 1975-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4803974A JPS561608B2 (US06350818-20020226-C00016.png) | 1974-04-27 | 1974-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50140145A true JPS50140145A (US06350818-20020226-C00016.png) | 1975-11-10 |
| JPS561608B2 JPS561608B2 (US06350818-20020226-C00016.png) | 1981-01-14 |
Family
ID=12792162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4803974A Expired JPS561608B2 (US06350818-20020226-C00016.png) | 1974-04-27 | 1974-04-27 |
Country Status (5)
Families Citing this family (18)
| 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 |
| US4265534A (en) * | 1977-12-23 | 1981-05-05 | Remijan Paul W | Optical apparatus and method for producing the same |
| US4410244A (en) * | 1977-12-23 | 1983-10-18 | Randwal Instrument Co., Inc. | Retinal acuity testing device |
| 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)
| 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 |
| DE2304714A1 (de) * | 1972-02-01 | 1973-08-09 | Canon Kk | Verfahren zur ermittlung der bewegungsrichtung von gegenstaenden |
-
1974
- 1974-04-27 JP JP4803974A patent/JPS561608B2/ja not_active Expired
-
1975
- 1975-04-22 US US05/570,920 patent/US4009940A/en not_active Expired - Lifetime
- 1975-04-25 DE DE19752518565 patent/DE2518565A1/de active Pending
- 1975-04-25 CH CH536375A patent/CH583017A5/xx not_active IP Right Cessation
- 1975-04-25 FR FR7512955A patent/FR2269096B3/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| CONTRIBUTIONS TO INTERFERENCE MICROSCOPY=1964GB * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2518565A1 (de) | 1975-10-30 |
| FR2269096A1 (US06350818-20020226-C00016.png) | 1975-11-21 |
| CH583017A5 (US06350818-20020226-C00016.png) | 1976-12-31 |
| JPS561608B2 (US06350818-20020226-C00016.png) | 1981-01-14 |
| US4009940A (en) | 1977-03-01 |
| FR2269096B3 (US06350818-20020226-C00016.png) | 1978-11-10 |
