GB1332897A - Apparatus for measuring the lengths of tubes rods and other elongated articles - Google Patents
Apparatus for measuring the lengths of tubes rods and other elongated articlesInfo
- Publication number
- GB1332897A GB1332897A GB1332897DA GB1332897A GB 1332897 A GB1332897 A GB 1332897A GB 1332897D A GB1332897D A GB 1332897DA GB 1332897 A GB1332897 A GB 1332897A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo
- sensitive devices
- measuring
- tubes
- oct
- 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
- G01B11/024—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of diode-array scanning
-
- 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
- G01B11/043—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 length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
1332897 Photo detector arrangement STD SERVICES Ltd 13 Oct 1970 [13 Oct 1969] 50180/69 Heading G1A [Also in Division G4] Apparatus for measuring the length of tubes comprises a hollow member 13 containing a light source, a hollow member 14 containing a series of equally spaced photo-sensitive devices and a counter which counts the number of photo-sensitive devices blocked from illumination when a tube to be measured passes through the space between the hollow members. Optical fibres convey the light from the source to a series of projectors in the member 13, each projector being aligned with a respective photo-sensitive device. The outputs of the photo-sensitive devices are connected to a shift register the bi-stable circuits of which are scanned and produce a pulse for each circuit which had its state changed by a tube falling from a ramp 11 to a rack 12. The pulses produced by the shift register are counted and the counter output is fed to a printer which prints out the total length of a batch of tubes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5018069 | 1970-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1332897A true GB1332897A (en) | 1973-10-10 |
Family
ID=10454968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1332897D Expired GB1332897A (en) | 1970-10-13 | 1970-10-13 | Apparatus for measuring the lengths of tubes rods and other elongated articles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1332897A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097159A (en) * | 1975-10-15 | 1978-06-27 | Kockums Automation Ab | Method of, and device for effecting contact-free measurement by optical scanning |
GB2236387A (en) * | 1989-09-07 | 1991-04-03 | Lonrho Textiles Limited | Opto-electronic width measurement |
-
1970
- 1970-10-13 GB GB1332897D patent/GB1332897A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097159A (en) * | 1975-10-15 | 1978-06-27 | Kockums Automation Ab | Method of, and device for effecting contact-free measurement by optical scanning |
GB2236387A (en) * | 1989-09-07 | 1991-04-03 | Lonrho Textiles Limited | Opto-electronic width measurement |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |