NO121810B - - Google Patents

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Publication number
NO121810B
NO121810B NO4866/68A NO486668A NO121810B NO 121810 B NO121810 B NO 121810B NO 4866/68 A NO4866/68 A NO 4866/68A NO 486668 A NO486668 A NO 486668A NO 121810 B NO121810 B NO 121810B
Authority
NO
Norway
Prior art keywords
light beam
photocell
wheel
pulse generator
axle
Prior art date
Application number
NO4866/68A
Other languages
English (en)
Norwegian (no)
Inventor
L Bostroem
Original Assignee
Ericsson Telefon Ab L M
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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO121810B publication Critical patent/NO121810B/no

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
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0035—Measuring of dimensions of trees

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
NO4866/68A 1967-12-07 1968-12-04 NO121810B (US07714131-20100511-C00038.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16806/67A SE321098B (US07714131-20100511-C00038.png) 1967-12-07 1967-12-07

Publications (1)

Publication Number Publication Date
NO121810B true NO121810B (US07714131-20100511-C00038.png) 1971-04-13

Family

ID=20302792

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4866/68A NO121810B (US07714131-20100511-C00038.png) 1967-12-07 1968-12-04

Country Status (4)

Country Link
US (1) US3615139A (US07714131-20100511-C00038.png)
FI (1) FI44718C (US07714131-20100511-C00038.png)
NO (1) NO121810B (US07714131-20100511-C00038.png)
SE (1) SE321098B (US07714131-20100511-C00038.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347777A (en) * 1970-12-12 1974-02-27 Sick Optik Elektronik Erwin Photoelectric length measuring apparatus
GB1584452A (en) * 1977-01-25 1981-02-11 Schumag Gmbh Optical scanners
US4465937A (en) * 1981-10-22 1984-08-14 Forbes James A Apparatus for optically scanning an object
US4849643A (en) * 1987-09-18 1989-07-18 Eaton Leonard Technologies Optical probe with overlapping detection fields
US5008555A (en) * 1988-04-08 1991-04-16 Eaton Leonard Technologies, Inc. Optical probe with overlapping detection fields

Also Published As

Publication number Publication date
US3615139A (en) 1971-10-26
FI44718C (fi) 1971-12-10
FI44718B (US07714131-20100511-C00038.png) 1971-08-31
SE321098B (US07714131-20100511-C00038.png) 1970-02-23

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