FR2416474A1 - Tachymetre a usage sportif - Google Patents

Tachymetre a usage sportif

Info

Publication number
FR2416474A1
FR2416474A1 FR7803001A FR7803001A FR2416474A1 FR 2416474 A1 FR2416474 A1 FR 2416474A1 FR 7803001 A FR7803001 A FR 7803001A FR 7803001 A FR7803001 A FR 7803001A FR 2416474 A1 FR2416474 A1 FR 2416474A1
Authority
FR
France
Prior art keywords
point
sportsman
acoustic sensor
calculator
ball
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
FR7803001A
Other languages
English (en)
French (fr)
Other versions
FR2416474B1 (enrdf_load_stackoverflow
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 FR7803001A priority Critical patent/FR2416474A1/fr
Publication of FR2416474A1 publication Critical patent/FR2416474A1/fr
Application granted granted Critical
Publication of FR2416474B1 publication Critical patent/FR2416474B1/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
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
FR7803001A 1978-02-03 1978-02-03 Tachymetre a usage sportif Granted FR2416474A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7803001A FR2416474A1 (fr) 1978-02-03 1978-02-03 Tachymetre a usage sportif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7803001A FR2416474A1 (fr) 1978-02-03 1978-02-03 Tachymetre a usage sportif

Publications (2)

Publication Number Publication Date
FR2416474A1 true FR2416474A1 (fr) 1979-08-31
FR2416474B1 FR2416474B1 (enrdf_load_stackoverflow) 1980-08-29

Family

ID=9204172

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7803001A Granted FR2416474A1 (fr) 1978-02-03 1978-02-03 Tachymetre a usage sportif

Country Status (1)

Country Link
FR (1) FR2416474A1 (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994706A (en) * 1930-09-18 1935-03-19 Hincks Drennan Golf ball speed registering device
US2102166A (en) * 1933-02-25 1937-12-14 Rca Corp Velocity measuring device
FR2036353A5 (enrdf_load_stackoverflow) * 1969-03-13 1970-12-24 Laporte Pierre
US3968434A (en) * 1974-07-19 1976-07-06 Reliance Electric Company Digital tachometer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994706A (en) * 1930-09-18 1935-03-19 Hincks Drennan Golf ball speed registering device
US2102166A (en) * 1933-02-25 1937-12-14 Rca Corp Velocity measuring device
FR2036353A5 (enrdf_load_stackoverflow) * 1969-03-13 1970-12-24 Laporte Pierre
US3968434A (en) * 1974-07-19 1976-07-06 Reliance Electric Company Digital tachometer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV8127/70 *

Also Published As

Publication number Publication date
FR2416474B1 (enrdf_load_stackoverflow) 1980-08-29

Similar Documents

Publication Publication Date Title
US5685723A (en) Swimmer's training apparatus
DE778952T1 (de) Bestimmung der herkunft eines projektils
FR2379819A1 (fr) Dispositif produisant un signal representatif de coups de vent rencontres par un aeronef et modifie par l'angle de derive descendante de cet aeronef
FR2328198A1 (fr) Procede et dispositif de surveillance de la vitesse d'un objet
NL189159C (nl) Spraakherkenningsstelsel.
ES487547A1 (es) Un sistema de carreras de coches
JPS5740664A (en) Indicator for detected information
FR2416474A1 (fr) Tachymetre a usage sportif
IT7852032A0 (it) Impianto acustico ad effetto doppler per misurare a distanza la velocita' del vento
JPS5666727A (en) Knocking detection system
JPS5784309A (en) Direction sensing device
JPS5722576A (en) Ultrasonic type vehicle speed measuring apparatus
JPS6475983A (en) Side wind sensor for vehicle
JPS5728206A (en) Shape measuring device
GB2021267B (en) Acoustic sensor for use in detecting projectiles passing in the vicinity of an airborne target
SU1602563A1 (ru) Устройство дл тренировки бадминтонистов
JPS56154636A (en) Method of measuring tension of wire
JPS5774665A (en) Speed controlling device
ES437399A1 (es) Un aparato para mejorar la discriminacion de senales en un sistema de deteccion electronico.
JPS57196310A (en) Horizontal controller of rotary working machine
SU589577A1 (ru) Ультразвуковой способ контрол биметаллических листов
JPS51116550A (en) Speed control device for elevator
JPS57118139A (en) Car diagnostic device by sound
SU379719A1 (ru) Способ определения кривизны поверхности
SU825738A1 (ru) Датчик швов ткани

Legal Events

Date Code Title Description
ST Notification of lapse