IT7823263A0 - Dispositivo per la misurazione di distanze o di spessori senza contatto con l'oggetto. - Google Patents
Dispositivo per la misurazione di distanze o di spessori senza contatto con l'oggetto.Info
- Publication number
- IT7823263A0 IT7823263A0 IT7823263A IT2326378A IT7823263A0 IT 7823263 A0 IT7823263 A0 IT 7823263A0 IT 7823263 A IT7823263 A IT 7823263A IT 2326378 A IT2326378 A IT 2326378A IT 7823263 A0 IT7823263 A0 IT 7823263A0
- Authority
- IT
- Italy
- Prior art keywords
- thickness
- contact
- measuring distances
- distances
- measuring
- Prior art date
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
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772722577 DE2722577A1 (de) | 1977-05-18 | 1977-05-18 | Vorrichtung/verfahren zur beruehrungsfreien abstands- bzw. dickenmessung |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7823263A0 true IT7823263A0 (it) | 1978-05-11 |
IT1095140B IT1095140B (it) | 1985-08-10 |
Family
ID=6009365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23263/78A IT1095140B (it) | 1977-05-18 | 1978-05-11 | Dispositivo per la misurazione di distanze o di spessori senza contatto con l'oggetto |
Country Status (7)
Country | Link |
---|---|
US (1) | US4201475A (it) |
JP (1) | JPS53143354A (it) |
BE (1) | BE867206A (it) |
DE (1) | DE2722577A1 (it) |
FR (1) | FR2391452A1 (it) |
GB (1) | GB1604362A (it) |
IT (1) | IT1095140B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE412286B (sv) * | 1978-07-10 | 1980-02-25 | Saab Scania Ab | Sett och anordning for fotoelektrisk avmetning av breder eller liknande geometriskt obestemda foremal |
US4383168A (en) * | 1980-06-02 | 1983-05-10 | Raytheon Company | Automatic focusing apparatus |
US4501962A (en) * | 1980-06-02 | 1985-02-26 | Raytheon Company | Method of focusing optical apparatus |
JPS59144407U (ja) * | 1982-03-31 | 1984-09-27 | 運輸省船舶技術研究所長 | レ−ザ−散乱キヤビテイ厚み計測法および計測装置 |
DE3335396C2 (de) * | 1983-09-29 | 1994-03-24 | Viktor Dr Bodlaj | Verfahren und Vorrichtung zum berührungslosen Messen eines Abstandes eines bestimmten Punktes einer Oberfläche von einer Bezugsebene |
DE3335355C2 (de) * | 1983-09-29 | 1994-03-24 | Bodlaj Viktor Dr | Verfahren und Vorrichtung zum berührungslosen Messen eines Abstandes eines bestimmten Punktes einer Oberfläche von einer Bezugsebene |
DE3432252A1 (de) * | 1984-09-01 | 1986-03-06 | Fa. Carl Zeiss, 7920 Heidenheim | Messmikroskop |
US4687325A (en) * | 1985-03-28 | 1987-08-18 | General Electric Company | Three-dimensional range camera |
GB2222047A (en) * | 1988-07-25 | 1990-02-21 | Unisearch Ltd | Optical mapping of field of view and information storage |
US4943157A (en) * | 1989-05-18 | 1990-07-24 | Corning Incorporated | Fiber optic triangulation gage |
DE4119821A1 (de) * | 1991-06-15 | 1992-12-17 | Hauni Werke Koerber & Co Kg | Verfahren und vorrichtung zum messen der haerte von queraxial gefoerderten stabfoermigen artikeln der tabakverarbeitenden industrie |
US5311287A (en) * | 1992-02-25 | 1994-05-10 | International Business Machines Corporation | Direct access storage device with head-disc dynamics monitor |
IT1257404B (it) * | 1992-09-30 | 1996-01-15 | Comau Spa | Procedimento per il controllo della posa di un cordone di silicone, particolarmente per la tenuta fra il basamento e la coppa di un motore a combustione interna. |
US5362962A (en) * | 1993-04-16 | 1994-11-08 | Edison Welding Institute | Method and apparatus for measuring pipeline corrosion |
US6052191A (en) * | 1998-10-13 | 2000-04-18 | Northrop Grumman Corporation | Coating thickness measurement system and method of measuring a coating thickness |
US6285451B1 (en) * | 1999-04-30 | 2001-09-04 | John M. Herron | Noncontacting optical method for determining thickness and related apparatus |
US7283256B2 (en) * | 2004-09-21 | 2007-10-16 | Chapman Instruments, Inc. | Method and apparatus for measuring wafer thickness |
US7280232B2 (en) * | 2004-09-21 | 2007-10-09 | Chapman Instruments, Inc. | Method and apparatus for measuring wafer thickness |
CN102353491B (zh) * | 2011-05-31 | 2013-06-26 | 哈尔滨工业大学 | 多普勒振镜正弦调制多光束激光外差二次谐波测量微冲量的方法 |
CN102338680B (zh) * | 2011-05-31 | 2013-04-24 | 哈尔滨工业大学 | 基于多光束激光外差二次谐波法与扭摆法测量微冲量的方法 |
JP2014044060A (ja) * | 2012-08-24 | 2014-03-13 | Canon Inc | 形状測定装置、および形状測定方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1803285A1 (de) * | 1968-10-16 | 1970-05-06 | Grundig Emv | Automatische und beruehrungslose Dickenmessung an durchsichtigen Folien oder Platten |
DE2508836C2 (de) * | 1972-06-19 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Entfernungsmeßgerät |
DE2325086C2 (de) * | 1972-06-19 | 1985-05-02 | Siemens AG, 1000 Berlin und 8000 München | Entfernungsmeßgerät |
IE39252B1 (en) * | 1973-05-17 | 1978-08-30 | Siemens Ag | Improvements inor relating to distance measuring equipmen |
DE2501015C2 (de) * | 1975-01-13 | 1976-08-19 | Siemens Ag | Beruehrungsfreies Dickenmessverfahren |
US4053234A (en) * | 1975-02-18 | 1977-10-11 | United Biscuits Limited | Thickness measurement |
DE2546714A1 (de) * | 1975-10-17 | 1977-04-21 | Siemens Ag | Verfahren zum messen des abstandes von und der geschwindigkeitskomponente eines objektes senkrecht zu einer bezugslinie |
DE2654478A1 (de) * | 1976-12-01 | 1978-06-08 | Siemens Ag | Vorrichtung zur beruehrungsfreien dickenmessung |
-
1977
- 1977-05-18 DE DE19772722577 patent/DE2722577A1/de active Granted
-
1978
- 1978-04-28 US US05/901,202 patent/US4201475A/en not_active Expired - Lifetime
- 1978-05-10 FR FR7813846A patent/FR2391452A1/fr active Granted
- 1978-05-11 IT IT23263/78A patent/IT1095140B/it active
- 1978-05-16 JP JP5813778A patent/JPS53143354A/ja active Pending
- 1978-05-17 GB GB20072/78A patent/GB1604362A/en not_active Expired
- 1978-05-18 BE BE187804A patent/BE867206A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2391452B1 (it) | 1982-03-05 |
FR2391452A1 (fr) | 1978-12-15 |
GB1604362A (en) | 1981-12-09 |
BE867206A (fr) | 1978-09-18 |
IT1095140B (it) | 1985-08-10 |
US4201475A (en) | 1980-05-06 |
JPS53143354A (en) | 1978-12-13 |
DE2722577A1 (de) | 1978-11-30 |
DE2722577C2 (it) | 1987-11-05 |
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