GB1392325A - Measuring apparatus - Google Patents
Measuring apparatusInfo
- Publication number
- GB1392325A GB1392325A GB1496972A GB1496972A GB1392325A GB 1392325 A GB1392325 A GB 1392325A GB 1496972 A GB1496972 A GB 1496972A GB 1496972 A GB1496972 A GB 1496972A GB 1392325 A GB1392325 A GB 1392325A
- Authority
- GB
- United Kingdom
- Prior art keywords
- workpiece
- detectors
- photo
- measuring
- width
- 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.)
- Expired
Links
Classifications
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/046—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
1392325 Digital measurement of dimensions SIEMENS AG 30 March 1972 [17 May 1971] 14969/72 Heading G1A In measuring the thickness or width of a workpiece by measuring the distance of at least one surface of the work-piece from a reference line, a laser beam is deflected in steps relative to the line by an acoustic-optical deflector to scan over the workpiece and a photo-electric detector receiving reflected light from the workpiece generates a time impulse to read the current deflection angle from which the spacing is digitally calculated. In Fig. 1 the thickness of a workpiece 32 is measured by two laser beams deflected by acousticoptical deflectors 3, 19 away from reference lines 8, 17 on to opposed surfaces of the workpiece. The detectors 7,15 having a narrow field of view defined by apertures 4, 10 and 21, 14, give a pulse when the respective laser beam steps into the small surface area which the photo-detectors are viewing. From the angles alpha and beta, distances 11 and 16 can be calculated which, when subtracted from 18, gives the thickness of the workpiece. In the arrangement of Fig.2 for measuring the width of a workpiece 30 two laser beams from a common laser 23 are directed via prisms 24, 25 to acoustic-optical deflectors 26, 27 which cause the laser beams to scan over respective edges of the workpiece. Photo-detectors 31, 32 give out a timing signal when the respective laser beam leaves or, alternatively, sweeps on to the workpiece. From the time interval between the two time impulses and the known distance b o , width B of the workpiece can be digitally calculated.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712124444 DE2124444C3 (en) | 1971-05-17 | 1971-05-17 | Method for determining the thickness or width of flat workpieces |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1392325A true GB1392325A (en) | 1975-04-30 |
Family
ID=5808138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1496972A Expired GB1392325A (en) | 1971-05-17 | 1972-03-30 | Measuring apparatus |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE783614A (en) |
CA (1) | CA997926A (en) |
DE (1) | DE2124444C3 (en) |
FR (1) | FR2137940B1 (en) |
GB (1) | GB1392325A (en) |
IT (1) | IT955352B (en) |
LU (1) | LU65361A1 (en) |
NL (1) | NL7206592A (en) |
SE (1) | SE382865B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113390337A (en) * | 2021-06-03 | 2021-09-14 | 合肥工业大学 | X-Y-theta three-degree-of-freedom measuring method based on field separation |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2654478A1 (en) * | 1976-12-01 | 1978-06-08 | Siemens Ag | DEVICE FOR CONTACT-FREE THICKNESS MEASUREMENT |
SE420947B (en) * | 1980-04-23 | 1981-11-09 | Pharos Ab | DEVICE FOR AT LEAST TWO DIMENSIONS CHECKING THE MATERIALS OF AND / OR UTRONA SPECIAL MATTS OF GREAT FOREMAL LIKE CAR CAR BODIES |
DE3148800C2 (en) * | 1981-12-09 | 1986-12-04 | Grecon Greten Gmbh & Co Kg, 3220 Alfeld | Method and device for determining and correcting fluctuations in the weight per unit area of loose lignocellulosic and / or cellulosic wood chips, fibers or the like |
DE3222462A1 (en) * | 1982-06-15 | 1983-12-15 | KE Morander AB, 44302 Lerum | Device for determining the real or the virtual distance of a light source from a measurement plane |
DE3335396C2 (en) * | 1983-09-29 | 1994-03-24 | Viktor Dr Bodlaj | Method and device for the contactless measurement of a distance of a certain point of a surface from a reference plane |
DE3335355C2 (en) * | 1983-09-29 | 1994-03-24 | Bodlaj Viktor Dr | Method and device for the contactless measurement of a distance of a certain point of a surface from a reference plane |
DE4240094C2 (en) * | 1992-11-28 | 1995-10-26 | Abb Patent Gmbh | System for monitoring a flow of material to be conveyed in a conveyor system with belt conveyor |
NO178909C (en) * | 1993-04-19 | 1996-06-26 | Toni Rydningen | Measuring device |
DE102009016662B4 (en) * | 2009-03-31 | 2011-02-03 | Balluff Gmbh | Photointerrupter |
CN113031323B (en) * | 2021-03-22 | 2022-09-09 | 绵阳惠科光电科技有限公司 | Frame sealing glue width detection method, display panel and display device |
-
1971
- 1971-05-17 DE DE19712124444 patent/DE2124444C3/en not_active Expired
-
1972
- 1972-03-30 GB GB1496972A patent/GB1392325A/en not_active Expired
- 1972-04-26 SE SE549272A patent/SE382865B/en unknown
- 1972-05-08 CA CA141,531A patent/CA997926A/en not_active Expired
- 1972-05-10 IT IT2413472A patent/IT955352B/en active
- 1972-05-15 LU LU65361D patent/LU65361A1/xx unknown
- 1972-05-16 FR FR7217430A patent/FR2137940B1/fr not_active Expired
- 1972-05-16 NL NL7206592A patent/NL7206592A/xx not_active Application Discontinuation
- 1972-05-17 BE BE783614A patent/BE783614A/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113390337A (en) * | 2021-06-03 | 2021-09-14 | 合肥工业大学 | X-Y-theta three-degree-of-freedom measuring method based on field separation |
Also Published As
Publication number | Publication date |
---|---|
FR2137940A1 (en) | 1972-12-29 |
IT955352B (en) | 1973-09-29 |
DE2124444B2 (en) | 1973-03-22 |
SE382865B (en) | 1976-02-16 |
CA997926A (en) | 1976-10-05 |
LU65361A1 (en) | 1972-08-23 |
DE2124444C3 (en) | 1973-10-11 |
BE783614A (en) | 1972-09-18 |
FR2137940B1 (en) | 1973-07-13 |
NL7206592A (en) | 1972-11-21 |
DE2124444A1 (en) | 1972-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3870890A (en) | Method and apparatus for measuring mutually perpendicular dimensions | |
US4188544A (en) | Method and apparatus for automatically processing a workpiece employing calibrated scanning | |
AU570474B2 (en) | Optical triangulation measuring apparatus | |
US5424835A (en) | High-resolution compact optical sensor for scanning three-dimensional shapes | |
CA1263755A (en) | Swept aperture flying spot profiler | |
US3781531A (en) | Flaw detector system utilizing a laser scanner | |
GB1449050A (en) | Device for determining the location of orientation of an object in a designated environment | |
GB1392325A (en) | Measuring apparatus | |
ES8402427A1 (en) | Method and device for measuring the velocity of moving objects. | |
GB1225000A (en) | A method for determining distances | |
US4201475A (en) | Device/process for contact free distance and thickness measurement | |
GB1426473A (en) | Digital length measuring means | |
US3924107A (en) | The path of a vehicle method and apparatus for recording | |
US4139307A (en) | Surface inspection systems | |
GB1400841A (en) | Apparatus for determining the profile of a plane or cylindrical surface | |
ES8707340A1 (en) | Determining the location of defects present in flat glass | |
GB1298512A (en) | Optical method and apparatus for measuring the linear dimension of an object | |
GB1417881A (en) | Pick-up head for an optical correlation velocity meter | |
US3809891A (en) | Beam scanning object detection system | |
GB1399706A (en) | Optical scanning device | |
GB1150080A (en) | Apparatus for measuring a dimension of a body | |
US3776640A (en) | Method of and apparatus for measuring dimensional quantities | |
GB1395910A (en) | Method of and apparatus for gauging the sizes of articles | |
GB1470454A (en) | Range-finders | |
GB1090799A (en) | Electro-optical modulating apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |