DE2234129A1 - Vorrichtung zum ableiten von beugungsstrahlen durch beugungsgitter - Google Patents
Vorrichtung zum ableiten von beugungsstrahlen durch beugungsgitterInfo
- Publication number
- DE2234129A1 DE2234129A1 DE2234129A DE2234129A DE2234129A1 DE 2234129 A1 DE2234129 A1 DE 2234129A1 DE 2234129 A DE2234129 A DE 2234129A DE 2234129 A DE2234129 A DE 2234129A DE 2234129 A1 DE2234129 A1 DE 2234129A1
- Authority
- DE
- Germany
- Prior art keywords
- grating
- grid
- rays
- light source
- index
- 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.)
- Pending
Links
- 238000009792 diffusion process Methods 0.000 title 2
- 239000011521 glass Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Spectrometry And Color Measurement (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971073584U JPS4824480U (enExample) | 1971-07-17 | 1971-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2234129A1 true DE2234129A1 (de) | 1973-02-01 |
Family
ID=27973666
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7225889U Expired DE7225889U (de) | 1971-07-17 | 1972-07-12 | Vorrichtung zum ableiten von beugungsstrahlen durch beugungsgitter |
| DE2234129A Pending DE2234129A1 (de) | 1971-07-17 | 1972-07-12 | Vorrichtung zum ableiten von beugungsstrahlen durch beugungsgitter |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7225889U Expired DE7225889U (de) | 1971-07-17 | 1972-07-12 | Vorrichtung zum ableiten von beugungsstrahlen durch beugungsgitter |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3784833A (enExample) |
| JP (1) | JPS4824480U (enExample) |
| DE (2) | DE7225889U (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50129599U (enExample) * | 1974-03-30 | 1975-10-24 | ||
| AT358847B (de) * | 1975-01-27 | 1980-10-10 | Eumig | Einrichtung zur lagebestimmung mindestens zweier, relativ zueinander beweglicher gegenstaende, vorzugsweise vorwaehlzaehlwerk |
| US4158229A (en) * | 1977-06-24 | 1979-06-12 | Lien Yeong Chung E | Electronic rule for precise distance measurement and distance setting |
| DE3303623A1 (de) * | 1983-02-03 | 1984-08-09 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optische phasengitteranordnung und schaltvorrichtungen mit einer solchen anordnung |
| US4935728A (en) * | 1985-01-02 | 1990-06-19 | Altra Corporation | Computer control |
| US6122132A (en) * | 1997-03-19 | 2000-09-19 | Altra Corporation | Disk drive head position encoder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2964636A (en) * | 1956-06-05 | 1960-12-13 | Eastman Kodak Co | Optically immersed photoconductive cells |
| US3114046A (en) * | 1960-08-01 | 1963-12-10 | Gen Electric | Position measuring system |
| GB914438A (en) * | 1960-10-01 | 1963-01-02 | Ferranti Ltd | Improvements relating to measuring apparatus |
| US3569997A (en) * | 1967-07-13 | 1971-03-09 | Inventors And Investors Inc | Photoelectric microcircuit components monolythically integrated with zone plate optics |
| US3668404A (en) * | 1970-09-29 | 1972-06-06 | Kurt Lehovec | Electro-optical microtransducer comprising diffractive element monolithically integrated with photoelectric device |
-
1971
- 1971-07-17 JP JP1971073584U patent/JPS4824480U/ja active Pending
-
1972
- 1972-07-11 US US00270688A patent/US3784833A/en not_active Expired - Lifetime
- 1972-07-12 DE DE7225889U patent/DE7225889U/de not_active Expired
- 1972-07-12 DE DE2234129A patent/DE2234129A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE7225889U (de) | 1976-07-15 |
| JPS4824480U (enExample) | 1973-03-22 |
| US3784833A (en) | 1974-01-08 |
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