Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B5/00—Optical elements other than lenses
  • G02B5/12—Reflex reflectors
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
  • A01B21/00—Harrows with rotary non-driven tools
  • A01B21/02—Harrows with rotary non-driven tools with tooth-like tools
  • A01B21/06—Harrows with rotary non-driven tools with tooth-like tools on vertically-arranged axles
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
  • A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
  • A01B33/06—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on vertical or steeply-inclined shaft
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
  • A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
  • A01B35/16—Other machines for working soil not specially adapted for working soil on which crops are growing with rotating or circulating non-propelled tools
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
  • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
  • G01N21/47—Scattering, i.e. diffuse reflection
  • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
  • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
  • G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01W—METEOROLOGY
  • G01W1/00—Meteorology
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
  • G02B17/004—Systems comprising a plurality of reflections between two or more surfaces, e.g. cells, resonators

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Physics & Mathematics (AREA)
• Environmental Sciences (AREA)
• Engineering & Computer Science (AREA)
• Soil Sciences (AREA)
• Mechanical Engineering (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Environmental & Geological Engineering (AREA)
• Biochemistry (AREA)
• Analytical Chemistry (AREA)
• Immunology (AREA)
• General Health & Medical Sciences (AREA)
• Atmospheric Sciences (AREA)
• Biodiversity & Conservation Biology (AREA)
• Ecology (AREA)
• Pathology (AREA)
• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)
• Length Measuring Devices By Optical Means (AREA)
• Optical Elements Other Than Lenses (AREA)
• Lenses (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5940139

Family Applications (1)

Country Status (8)

Families Citing this family (5)

Family Cites Families (5)

• 0
  • NL NL96179D patent/NL96179C/xx active
• 1975
  • 1975-02-28 DE DE2508860A patent/DE2508860C3/de not_active Expired
  • 1975-12-11 CH CH1612575A patent/CH608110A5/xx not_active IP Right Cessation
  • 1975-12-17 NL NLAANVRAGE7514721,A patent/NL176102C/xx not_active IP Right Cessation
  • 1975-12-24 BE BE163115A patent/BE837079A/xx not_active IP Right Cessation
• 1976
  • 1976-01-28 US US05/653,152 patent/US4032236A/en not_active Expired - Lifetime
  • 1976-02-19 SE SE7601982A patent/SE415608B/xx not_active IP Right Cessation
  • 1976-02-26 GB GB7640/76A patent/GB1512152A/en not_active Expired
  • 1976-02-27 FR FR7605594A patent/FR2302539A1/fr active Granted

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