FR975898A - Exploration system - Google Patents

Exploration system

Info

Publication number
FR975898A
FR975898A FR975898DA FR975898A FR 975898 A FR975898 A FR 975898A FR 975898D A FR975898D A FR 975898DA FR 975898 A FR975898 A FR 975898A
Authority
FR
France
Prior art keywords
exploration system
exploration
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
Other languages
French (fr)
Inventor
Michel Nathan Yardeny
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 filed Critical
Application granted granted Critical
Publication of FR975898A publication Critical patent/FR975898A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR975898D 1948-12-06 1948-12-06 Exploration system Expired FR975898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975898T 1948-12-06

Publications (1)

Publication Number Publication Date
FR975898A true FR975898A (en) 1951-03-12

Family

ID=9518383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975898D Expired FR975898A (en) 1948-12-06 1948-12-06 Exploration system

Country Status (1)

Country Link
FR (1) FR975898A (en)

Similar Documents

Publication Publication Date Title
FR982822A (en) Amplifier system
CH295129A (en) Addition device.
FR985740A (en) Transducer
FR935451A (en) Sewer construction system
FR982240A (en) Explosion enhancers
FR975898A (en) Exploration system
FR1031558A (en) Sorter
FR999602A (en) Magnetic concentration system
FR1027664A (en) Magnetic clutch-brake system
FR966811A (en) Reciprocating stopper
FR976672A (en) Amplifier system
FR1010457A (en) TV system
FR966121A (en) Ignition switch-distributor
FR1002734A (en) Aerial system
FR948016A (en) Fence electrification system
FR967973A (en) Directive air system
FR970669A (en) Boring device
FR992047A (en) Hydrocarbon synthesis
FR981157A (en) Modulation system
FR980559A (en) Electro-automatic alarm device
FR985165A (en) Boat pedomotor system
FR994519A (en) Aerial system
FR942331A (en) Window opening system
FR1008803A (en) Rangefinder system
FR977182A (en) Fire detector