CA981899A - Procede et dispositif d'observation interferometrique d'un petit deplacement - Google Patents

Procede et dispositif d'observation interferometrique d'un petit deplacement

Info

Publication number: CA981899A
Authority: CA; Canada
Prior art keywords: interferometrique; deplacement; procede; petit; dispositif
Prior art date: 1973-04-10
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

Application number

CA174,595A

Other versions

CA174595S (en

Inventor

Charles Aplin

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Alcatel Lucent SAS

Original Assignee

Compagnie Generale dElectricite SA

Priority date (The priority date 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 date listed.)

1973-04-10

Filing date

1973-06-21

Publication date

1976-01-20

1973-06-21 Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA

1976-01-20 Application granted granted Critical

1976-01-20 Publication of CA981899A publication Critical patent/CA981899A/en

Status Expired legal-status Critical Current

Classifications

- 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
- G01B9/021—Interferometers using holographic techniques

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Length Measuring Devices By Optical Means (AREA)
Holo Graphy (AREA)
Instruments For Measurement Of Length By Optical Means (AREA)

CA174,595A 1973-04-10 1973-06-21 Procede et dispositif d'observation interferometrique d'un petit deplacement Expired CA981899A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US34989173A	1973-04-10	1973-04-10

Publications (1)

Publication Number	Publication Date
CA981899A true CA981899A (en)	1976-01-20

Family

ID=23374402

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA174,595A Expired CA981899A (en)	1973-04-10	1973-06-21	Procede et dispositif d'observation interferometrique d'un petit deplacement

Country Status (8)

Country	Link
JP (2)	JPS49131457A (en)
BE (1)	BE801207R (en)
CA (1)	CA981899A (en)
CH (1)	CH563011A5 (en)
DE (1)	DE2341764A1 (en)
GB (1)	GB1422180A (en)
IT (1)	IT1046260B (en)
NL (1)	NL7311772A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0024167A3 (en) *	1979-08-07	1982-08-04	Rolls-Royce Plc	Method and apparatus for speckle pattern interferometric determination of point displacements
GB2239716B (en) *	1989-12-22	1994-04-27	Marks Spencer Plc	Assessment of surface characteristics

1973
- 1973-06-20 CH CH893473A patent/CH563011A5/xx not_active IP Right Cessation
- 1973-06-21 BE BE1005179A patent/BE801207R/en not_active IP Right Cessation
- 1973-06-21 CA CA174,595A patent/CA981899A/en not_active Expired
- 1973-06-21 GB GB2962573A patent/GB1422180A/en not_active Expired
- 1973-07-09 IT IT6904273A patent/IT1046260B/en active
- 1973-07-12 JP JP7797873A patent/JPS49131457A/ja active Pending
- 1973-08-17 DE DE19732341764 patent/DE2341764A1/en active Pending
- 1973-08-27 NL NL7311772A patent/NL7311772A/xx not_active Application Discontinuation
1980
- 1980-02-19 JP JP1861080A patent/JPS55146004A/en active Granted

Also Published As

Publication number	Publication date
GB1422180A (en)	1976-01-21
BE801207R (en)	1973-12-21
JPS5710361B2 (en)	1982-02-26
DE2341764A1 (en)	1974-10-24
NL7311772A (en)	1974-10-14
JPS49131457A (en)	1974-12-17
IT1046260B (en)	1980-06-30
CH563011A5 (en)	1975-06-13
JPS55146004A (en)	1980-11-14

Similar Documents

Publication	Publication Date	Title
CA976609A (en)	1975-10-21	Dispositif de charge rapide d'accumulateurs etanches
CA981779A (en)	1976-01-13	Dispositif d'affichage electro-optique
CA978613A (en)	1975-11-25	Dispositif d'eclissage pour barres omnibus
IL45654A0 (en)	1974-11-29	"triazolopyridazines"
CA1014680A (en)	1977-07-26	Floating apparatus for liquid composting
CA1025246A (en)	1978-01-31	Stainless steel
PH10776A (en)	1977-09-05	2-phenylamino-imidazolines-(2)
CA981899A (en)	1976-01-20	Procede et dispositif d'observation interferometrique d'un petit deplacement
CA966083A (en)	1975-04-15	Procede d'oximation des cycloalcanes
CA998674A (en)	1976-10-19	'onium indo-n-arylsulfoaniline
CA997600A (en)	1976-09-28	Fastener apparatus
CA1017698A (en)	1977-09-20	Station extreme d'un telesiege
CA1024344A (en)	1978-01-17	Troll fishing apparatus
CA1024785A (en)	1978-01-24	Evaporation apparatus
IL41856A0 (en)	1973-05-31	Freezing apparatus particularly useful for freezing spermatozoa
CA949582A (en)	1974-06-18	Procede de preparation d'episulfures
AU6637374A (en)	1975-09-11	8-n-methylpiperazintyl-n'carbonyldibenzobicycloodtadiene
JPS5344311A (en)	1978-04-21	Stripper for reaper
CA912932A (en)	1972-10-24	Procede et dispositif de fabrication d'alliages
CA872963A (en)	1971-06-08	Reflecteur cylindro-parabolique et procede de fabrication d'un reflecteur cylindro-parabolique
CA914593A (en)	1972-11-14	Procede perfectionne de culture d'algues
CA867742A (en)	1971-04-06	Procede de fabrication d'un catalyseur de deshydrogenation
CA906384A (en)	1972-08-01	Procede d'attaque d'un metal passivable
CA885129A (en)	1971-11-02	Dispositif de trajectometrie automatique et d'alerte instantanee
CA911254A (en)	1972-10-03	Dispositif d'impression en continu