FR2477309B1 - - Google Patents

Info

Publication number
FR2477309B1
FR2477309B1 FR8004551A FR8004551A FR2477309B1 FR 2477309 B1 FR2477309 B1 FR 2477309B1 FR 8004551 A FR8004551 A FR 8004551A FR 8004551 A FR8004551 A FR 8004551A FR 2477309 B1 FR2477309 B1 FR 2477309B1
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.)
Expired
Application number
FR8004551A
Other languages
French (fr)
Other versions
FR2477309A1 (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.)
CHESNAIS GILLES DE
Original Assignee
CHESNAIS GILLES DE
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 CHESNAIS GILLES DE filed Critical CHESNAIS GILLES DE
Priority to FR8004551A priority Critical patent/FR2477309A1/fr
Publication of FR2477309A1 publication Critical patent/FR2477309A1/fr
Application granted granted Critical
Publication of FR2477309B1 publication Critical patent/FR2477309B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K3/00—Pasturing equipment, e.g. tethering devices; Grids for preventing cattle from straying; Electrified wire fencing
    • A01K3/005—Electrified fencing for pastures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/047—Specific indicating or recording arrangements, e.g. for remote indication, for indicating overload or underload
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
    • G01L5/103—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means using sensors fixed at one end of the flexible member
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
    • H05C1/00—Circuits or apparatus for generating electric shock effects
    • H05C1/04—Circuits or apparatus for generating electric shock effects providing pulse voltages
    • H05C1/06—Circuits or apparatus for generating electric shock effects providing pulse voltages operating only when touched
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H10N30/302—Sensors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Insects & Arthropods (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Catching Or Destruction (AREA)
FR8004551A 1980-02-29 1980-02-29 Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension Granted FR2477309A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8004551A FR2477309A1 (en) 1980-02-29 1980-02-29 Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8004551A FR2477309A1 (en) 1980-02-29 1980-02-29 Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension

Publications (2)

Publication Number Publication Date
FR2477309A1 FR2477309A1 (en) 1981-09-04
FR2477309B1 true FR2477309B1 (enExample) 1982-12-17

Family

ID=9239163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004551A Granted FR2477309A1 (en) 1980-02-29 1980-02-29 Mechanical tension monitor for electrified fence wire - has wire tensioning members and compressible device, connected to piezoelectric transducer to give electrical signal related to tension

Country Status (1)

Country Link
FR (1) FR2477309A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8680997B2 (en) 2009-05-24 2014-03-25 Gallagher Group Limited Taut wire fence system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858608C (de) * 1951-08-25 1952-12-08 Max Baermann Elektrischer Zaun
NL7216429A (enExample) * 1972-12-04 1974-06-06

Also Published As

Publication number Publication date
FR2477309A1 (en) 1981-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse