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JPS4931237B1 - - Google Patents

Info

Publication number
JPS4931237B1
JPS4931237B1 JP45012037A JP1203770A JPS4931237B1 JP S4931237 B1 JPS4931237 B1 JP S4931237B1 JP 45012037 A JP45012037 A JP 45012037A JP 1203770 A JP1203770 A JP 1203770A JP S4931237 B1 JPS4931237 B1 JP S4931237B1
Authority
JP
Japan
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.)
Pending
Application number
JP45012037A
Other languages
Japanese (ja)
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
Publication of JPS4931237B1 publication Critical patent/JPS4931237B1/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J1/00—Targets; Target stands; Target holders
    • F41J1/10—Target stands; Target holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/02—Photo-electric hit-detector systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
JP45012037A 1969-02-14 1970-02-13 Pending JPS4931237B1 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79945369A 1969-02-14 1969-02-14

Publications (1)

Publication Number Publication Date
JPS4931237B1 true JPS4931237B1 (sv) 1974-08-20

Family

ID=25175949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45012037A Pending JPS4931237B1 (sv) 1969-02-14 1970-02-13

Country Status (4)

Country Link
US (1) US3619630A (sv)
JP (1) JPS4931237B1 (sv)
AU (1) AU1080670A (sv)
GB (1) GB1295885A (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL38575A (en) * 1971-01-21 1977-02-28 Australasian Training Aids Pty Method and apparatus for indicating the passing of a projectile through an area in space
IL38807A (en) * 1971-02-23 1977-01-31 Australasian Training Aids Pty Method and apparatus for determining the passing of a projectile through an area in space
US3924107A (en) * 1971-08-11 1975-12-02 Hideo Sakai The path of a vehicle method and apparatus for recording
DE2236482C3 (de) * 1972-07-25 1978-04-27 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Unfallschutzlichtvorhang
DE2744415A1 (de) * 1977-10-03 1979-04-12 Fraba Gmbh Schiesscheibe
US4294543A (en) * 1979-11-13 1981-10-13 Command Control & Communications Corporation Optical system for developing point coordinate information
US4789932A (en) * 1984-09-21 1988-12-06 Austin T. Musselman Apparatus and method for automatically scoring a dart game
US5328190A (en) * 1992-08-04 1994-07-12 Dart International, Inc. Method and apparatus enabling archery practice
US5565686A (en) * 1993-09-07 1996-10-15 Laser Score, Inc. Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams
WO1995007471A1 (en) * 1993-09-07 1995-03-16 Laserscore, Inc. Method and apparatus for detecting the presence and location of an object in a field
US5805288A (en) * 1996-03-05 1998-09-08 Laserscore, Inc. Apparatus for detecting the presence and location of at least one object in a field
US5823779A (en) * 1996-05-02 1998-10-20 Advanced Interactive Systems, Inc. Electronically controlled weapons range with return fire
DE19800441C2 (de) * 1997-01-20 2002-10-31 Domotec Systemtechnik Gmbh Vorrichtung zum Ermitteln des Auftreffpunktes von Wurfpfeilen auf einer Zielscheibe
CA2319535A1 (en) * 1998-02-04 1999-08-12 Laserscore, Inc. System for detecting the presence and location of at least one object in a field by using a divergent radiation source and an array of opposed plural detectors which rotate together around the field
US6985206B2 (en) * 2003-06-02 2006-01-10 Anderson James R Baseball pitch speed measurement and strike zone detection devices
EP2729755A4 (en) * 2011-07-07 2015-02-25 Mih Ly Garas EVALUATION SYSTEM FOR ARCHERY
EP4008991B1 (en) * 2020-12-02 2023-10-11 Guangzhou Baishun Animation Technology Co. Axe throwing game with automated scoring and axe return

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971695A (en) * 1957-12-23 1961-02-14 Sick Erwin Photoelectric apparatus
DE1252420B (sv) * 1964-07-24
US3401937A (en) * 1965-02-15 1968-09-17 Brunswick Corp Target with scanning projectile sensors
FR1481269A (fr) * 1966-04-08 1967-05-19 Evr Eclairage Vehicules Rail Détecteur de véhicules
US3500063A (en) * 1968-06-10 1970-03-10 Rca Corp Scanning laser obstruction detection system utilizing a retroreflective strip

Also Published As

Publication number Publication date
GB1295885A (sv) 1972-11-08
AU1080670A (en) 1971-08-05
US3619630A (en) 1971-11-09

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