FR2247731A1 - Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor - Google Patents

Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor

Info

Publication number
FR2247731A1
FR2247731A1 FR7337643A FR7337643A FR2247731A1 FR 2247731 A1 FR2247731 A1 FR 2247731A1 FR 7337643 A FR7337643 A FR 7337643A FR 7337643 A FR7337643 A FR 7337643A FR 2247731 A1 FR2247731 A1 FR 2247731A1
Authority
FR
France
Prior art keywords
voltage comparator
wind speed
measuring instrument
speed measuring
wind
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.)
Granted
Application number
FR7337643A
Other languages
French (fr)
Other versions
FR2247731B1 (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.)
GAMBS PAUL FR
Original Assignee
GAMBS PAUL FR
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 GAMBS PAUL FR filed Critical GAMBS PAUL FR
Priority to FR7337643A priority Critical patent/FR2247731A1/en
Publication of FR2247731A1 publication Critical patent/FR2247731A1/en
Application granted granted Critical
Publication of FR2247731B1 publication Critical patent/FR2247731B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/78—Analogue computers for specific processes, systems or devices, e.g. simulators for direction-finding, locating, distance or velocity measuring, or navigation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mathematical Physics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

The sensors provide signals whose voltage are proportional to the on-route speed (V) of the ship, the apparent speed (W) of the wind and the apparent direction (A) of the wind. The instrument can also give the true direction (a + b) of the wind with respect to the route of the ship. The instrument has two assemblies, each of which has a sinusoidal potentiometer (3) and a linear potentiometer (4), and each of which has a voltage comparator (5) which can drive a motor (6) coupled to the potentiometers (3, 4). The two assemblies cooperate so that one sinusoidal potentiometer delivers a voltage proportional to the boat speed and to the cosine of the angle between the true wind direction and the boat direction.
FR7337643A 1973-10-16 1973-10-16 Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor Granted FR2247731A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7337643A FR2247731A1 (en) 1973-10-16 1973-10-16 Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7337643A FR2247731A1 (en) 1973-10-16 1973-10-16 Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor

Publications (2)

Publication Number Publication Date
FR2247731A1 true FR2247731A1 (en) 1975-05-09
FR2247731B1 FR2247731B1 (en) 1976-10-01

Family

ID=9126762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7337643A Granted FR2247731A1 (en) 1973-10-16 1973-10-16 Ship wind speed measuring instrument - has two potentiometer assemblies controlled by voltage comparator operated motor

Country Status (1)

Country Link
FR (1) FR2247731A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642842A1 (en) * 1989-01-18 1990-08-10 Crouzet Sa METHOD FOR DETERMINING THE AVERAGE WIND SPEED IN RELATION TO THE FLOOR DURING THE FLIGHT OF AN AIRCRAFT

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642842A1 (en) * 1989-01-18 1990-08-10 Crouzet Sa METHOD FOR DETERMINING THE AVERAGE WIND SPEED IN RELATION TO THE FLOOR DURING THE FLIGHT OF AN AIRCRAFT
EP0389305A2 (en) * 1989-01-18 1990-09-26 Sextant Avionique S.A. Procedure to determine average windspeed relative to the ground in a flying aircraft
EP0389305A3 (en) * 1989-01-18 1990-10-24 Sextant Avionique S.A. Procedure to determine average windspeed relative to the ground in a flying aircraft
US5091871A (en) * 1989-01-18 1992-02-25 Sextant Avionique Method of determining the mean wind speed with respect to the ground during the flight of an aircraft

Also Published As

Publication number Publication date
FR2247731B1 (en) 1976-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse