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GB1503947A - Length measuring apparatus - Google Patents

Length measuring apparatus

Info

Publication number
GB1503947A
GB1503947A GB450775A GB450775A GB1503947A GB 1503947 A GB1503947 A GB 1503947A GB 450775 A GB450775 A GB 450775A GB 450775 A GB450775 A GB 450775A GB 1503947 A GB1503947 A GB 1503947A
Authority
GB
United Kingdom
Prior art keywords
cylinder
rod
slit
sensors
light
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
Application number
GB450775A
Other languages
English (en)
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.)
SETIM SOC D ETUDES TECH DES IN
Original Assignee
SETIM SOC D ETUDES TECH DES IN
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.)
Filing date
Publication date
Priority claimed from FR7403883A external-priority patent/FR2260080A1/fr
Priority claimed from FR7440629A external-priority patent/FR2289881A2/fr
Application filed by SETIM SOC D ETUDES TECH DES IN filed Critical SETIM SOC D ETUDES TECH DES IN
Publication of GB1503947A publication Critical patent/GB1503947A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB450775A 1974-02-01 1975-02-03 Length measuring apparatus Expired GB1503947A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7403883A FR2260080A1 (en) 1974-02-01 1974-02-01 Sensor system for length-measuring instrument - has phototransmitter and photoreceiver with linearly moving spot
FR7440629A FR2289881A2 (fr) 1974-11-04 1974-11-04 Appareil a mesurer les produits longs

Publications (1)

Publication Number Publication Date
GB1503947A true GB1503947A (en) 1978-03-15

Family

ID=26218161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB450775A Expired GB1503947A (en) 1974-02-01 1975-02-03 Length measuring apparatus

Country Status (4)

Country Link
DE (1) DE2504085A1 (de)
ES (1) ES434348A1 (de)
GB (1) GB1503947A (de)
IT (1) IT1028866B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184539A (en) * 1985-12-20 1987-06-24 Rosemount Ltd Light attenuation sensing apparatus
CN109827544A (zh) * 2019-04-11 2019-05-31 江苏乾程工程技术有限公司 一种简支梁桥的桥墩不均匀沉降监测装置及计算检测方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH661981A5 (de) * 1984-02-13 1987-08-31 Haenni & Cie Ag Optisches messgeraet zur beruehrungslosen abstandsmessung.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184539A (en) * 1985-12-20 1987-06-24 Rosemount Ltd Light attenuation sensing apparatus
GB2184539B (en) * 1985-12-20 1989-12-28 Rosemount Ltd Light attenuation sensing apparatus
CN109827544A (zh) * 2019-04-11 2019-05-31 江苏乾程工程技术有限公司 一种简支梁桥的桥墩不均匀沉降监测装置及计算检测方法
CN109827544B (zh) * 2019-04-11 2024-02-02 江苏乾程工程技术有限公司 一种简支梁桥的桥墩不均匀沉降监测装置及计算检测方法

Also Published As

Publication number Publication date
ES434348A1 (es) 1977-04-01
DE2504085A1 (de) 1975-08-07
IT1028866B (it) 1979-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee