BE742136A - - Google Patents
Info
- Publication number
- BE742136A BE742136A BE742136DA BE742136A BE 742136 A BE742136 A BE 742136A BE 742136D A BE742136D A BE 742136DA BE 742136 A BE742136 A BE 742136A
- Authority
- BE
- Belgium
Links
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)
- Length Measuring Devices By Optical Means (AREA)
- Viewfinders (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6817007A NL6817007A (fi) | 1968-11-28 | 1968-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE742136A true BE742136A (fi) | 1970-05-04 |
Family
ID=19805274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE742136D BE742136A (fi) | 1968-11-28 | 1969-11-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3604813A (fi) |
| BE (1) | BE742136A (fi) |
| CH (1) | CH492952A (fi) |
| DE (1) | DE1959968C3 (fi) |
| FR (1) | FR2024448A1 (fi) |
| GB (1) | GB1294449A (fi) |
| NL (1) | NL6817007A (fi) |
| SE (1) | SE354354B (fi) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3861798A (en) * | 1972-05-22 | 1975-01-21 | Hitachi Ltd | Mask for aligning patterns |
| 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 |
| SE411686B (sv) * | 1978-05-31 | 1980-01-28 | Bergkvist Lars A | Anordning for indikering av en vinkel eller riktning vid rorleggning eller motsvarande |
| SE422117B (sv) * | 1980-09-22 | 1982-02-15 | Bergkvist Lars A | Anordning for utmerkande av enslinjer |
| SE426987B (sv) * | 1981-09-16 | 1983-02-21 | Inogon Licens Ab | Enslinjeindikator |
| US4981360A (en) * | 1989-05-10 | 1991-01-01 | Grumman Aerospace Corporation | Apparatus and method for projection moire mapping |
| US5025285A (en) * | 1989-05-10 | 1991-06-18 | Grumman Aerospace Corporation | Apparatus and method for shadow moire mapping |
| WO1991003712A1 (en) * | 1989-09-06 | 1991-03-21 | Human Machine Interfaces Ltd. | Measurement device |
| US5052807A (en) * | 1990-06-28 | 1991-10-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Three dimensional moire pattern alignment |
| US5075560A (en) * | 1990-09-20 | 1991-12-24 | Eastman Kodak Company | Moire distance measurements using a grating printed on or attached to a surface |
| US5075562A (en) * | 1990-09-20 | 1991-12-24 | Eastman Kodak Company | Method and apparatus for absolute Moire distance measurements using a grating printed on or attached to a surface |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2390122A (en) * | 1943-03-18 | 1945-11-27 | Associated Patentees Inc | Gauge |
| US2451972A (en) * | 1945-12-03 | 1948-10-19 | Associated Patentees Inc | Optical indicator having cooperating grids |
-
1968
- 1968-11-28 NL NL6817007A patent/NL6817007A/xx unknown
-
1969
- 1969-11-24 BE BE742136D patent/BE742136A/xx unknown
- 1969-11-25 US US879836A patent/US3604813A/en not_active Expired - Lifetime
- 1969-11-27 SE SE16345/69A patent/SE354354B/xx unknown
- 1969-11-27 GB GB58049/69A patent/GB1294449A/en not_active Expired
- 1969-11-28 CH CH1774669A patent/CH492952A/de not_active IP Right Cessation
- 1969-11-28 FR FR6941270A patent/FR2024448A1/fr not_active Withdrawn
- 1969-11-28 DE DE1959968A patent/DE1959968C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1294449A (en) | 1972-10-25 |
| CH492952A (de) | 1970-06-30 |
| NL6817007A (fi) | 1970-06-01 |
| DE1959968A1 (de) | 1970-07-09 |
| DE1959968C3 (de) | 1975-08-28 |
| DE1959968B2 (de) | 1975-01-02 |
| SE354354B (fi) | 1973-03-05 |
| FR2024448A1 (fi) | 1970-08-28 |
| US3604813A (en) | 1971-09-14 |