FR2195800A1 - - Google Patents

Info

Publication number
FR2195800A1
FR2195800A1 FR7229065A FR7229065A FR2195800A1 FR 2195800 A1 FR2195800 A1 FR 2195800A1 FR 7229065 A FR7229065 A FR 7229065A FR 7229065 A FR7229065 A FR 7229065A FR 2195800 A1 FR2195800 A1 FR 2195800A1
Authority
FR
France
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.)
Granted
Application number
FR7229065A
Other languages
French (fr)
Other versions
FR2195800B3 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7229065A priority Critical patent/FR2195800B3/fr
Publication of FR2195800A1 publication Critical patent/FR2195800A1/fr
Application granted granted Critical
Publication of FR2195800B3 publication Critical patent/FR2195800B3/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/841—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine
    • E02F3/842—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine using electromagnetic, optical or photoelectric beams, e.g. laser beams
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
    • E02F5/145—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids control and indicating devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
    • G05D1/0234—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using optical markers or beacons
FR7229065A 1972-08-11 1972-08-11 Expired FR2195800B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7229065A FR2195800B3 (en) 1972-08-11 1972-08-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7229065A FR2195800B3 (en) 1972-08-11 1972-08-11

Publications (2)

Publication Number Publication Date
FR2195800A1 true FR2195800A1 (en) 1974-03-08
FR2195800B3 FR2195800B3 (en) 1975-10-03

Family

ID=9103174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7229065A Expired FR2195800B3 (en) 1972-08-11 1972-08-11

Country Status (1)

Country Link
FR (1) FR2195800B3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2420120A1 (en) * 1978-03-17 1979-10-12 Coal Industry Patents Ltd Face cutter control equipment for mines - has set of mirrors along mine shaft and computer determining profile from angular positions
FR2555624A1 (en) * 1983-11-28 1985-05-31 Syndicat Nal Entr Drainage METHOD AND APPARATUS FOR AUTOMATICALLY GUIDING GROUNDING MACHINES, IN PARTICULAR A DRAINING ELEMENT INSTALLATION MACHINE
EP0960775A1 (en) * 1998-05-27 1999-12-01 Settimo Martinello Device for a vehicle to recognise and signal the imminence of a departure from the roadbed by the vehicle during its travel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2420120A1 (en) * 1978-03-17 1979-10-12 Coal Industry Patents Ltd Face cutter control equipment for mines - has set of mirrors along mine shaft and computer determining profile from angular positions
FR2555624A1 (en) * 1983-11-28 1985-05-31 Syndicat Nal Entr Drainage METHOD AND APPARATUS FOR AUTOMATICALLY GUIDING GROUNDING MACHINES, IN PARTICULAR A DRAINING ELEMENT INSTALLATION MACHINE
EP0145565A1 (en) * 1983-11-28 1985-06-19 Syndicat National Des Entreprises De Drainage Process and apparatus for the automatic guiding of soil-shifting machines, particularly of a machine for laying draining elements
EP0960775A1 (en) * 1998-05-27 1999-12-01 Settimo Martinello Device for a vehicle to recognise and signal the imminence of a departure from the roadbed by the vehicle during its travel

Also Published As

Publication number Publication date
FR2195800B3 (en) 1975-10-03

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Legal Events

Date Code Title Description
ST Notification of lapse