PT90407A - Alvo proprio para detectar electricamente a penetracao de dardos e de projecteis semelhantes que nao penetram inteiramente atraves do alvo - Google Patents

Alvo proprio para detectar electricamente a penetracao de dardos e de projecteis semelhantes que nao penetram inteiramente atraves do alvo

Info

Publication number
PT90407A
PT90407A PT90407A PT9040789A PT90407A PT 90407 A PT90407 A PT 90407A PT 90407 A PT90407 A PT 90407A PT 9040789 A PT9040789 A PT 9040789A PT 90407 A PT90407 A PT 90407A
Authority
PT
Portugal
Prior art keywords
target
darts
penetration
target board
proprietary
Prior art date
Application number
PT90407A
Other languages
English (en)
Other versions
PT90407B (pt
Inventor
Donald K Ross
Donald L Luttermoser
Original Assignee
Smart Products Inc
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 Smart Products Inc filed Critical Smart Products Inc
Publication of PT90407A publication Critical patent/PT90407A/pt
Publication of PT90407B publication Critical patent/PT90407B/pt

Links

Classifications

    • 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
    • F41J5/04—Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
    • F41J5/044—Targets having two or more electrically-conductive layers for short- circuiting by penetrating projectiles

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Power Steering Mechanism (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Toys (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Paints Or Removers (AREA)
  • Holo Graphy (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Inorganic Insulating Materials (AREA)
  • General Induction Heating (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Elimination Of Static Electricity (AREA)
  • Pinball Game Machines (AREA)
  • Rotational Drive Of Disk (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Detergent Compositions (AREA)
PT90407A 1988-04-28 1989-04-28 Alvo proprio para detectar electricamente a penetracao de dardos e de projecteis semelhantes que nao penetram inteiramente atraves do alvo PT90407B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/187,215 US4852888A (en) 1988-04-28 1988-04-28 Electrically scoring dart board

Publications (2)

Publication Number Publication Date
PT90407A true PT90407A (pt) 1989-11-10
PT90407B PT90407B (pt) 1994-05-31

Family

ID=22688067

Family Applications (1)

Application Number Title Priority Date Filing Date
PT90407A PT90407B (pt) 1988-04-28 1989-04-28 Alvo proprio para detectar electricamente a penetracao de dardos e de projecteis semelhantes que nao penetram inteiramente atraves do alvo

Country Status (15)

Country Link
US (1) US4852888A (pt)
EP (1) EP0339898B1 (pt)
JP (1) JPH01318898A (pt)
CN (1) CN1018194B (pt)
AT (1) ATE101708T1 (pt)
AU (1) AU609685B2 (pt)
CA (1) CA1299601C (pt)
DE (1) DE68913069T2 (pt)
DK (1) DK165805C (pt)
FI (1) FI892009L (pt)
GB (1) GB2217618B (pt)
NO (1) NO168915C (pt)
NZ (1) NZ228865A (pt)
PT (1) PT90407B (pt)
ZA (1) ZA893160B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486007A (en) * 1994-05-09 1996-01-23 High Flyte International Ltd. Automated dart board
US5531451A (en) * 1995-04-14 1996-07-02 Yiu; Chih-Hao Scoring system for dart games
CN100424462C (zh) * 2001-01-16 2008-10-08 邵佳沐 一种镖靶的磁感应式自动计分方法及自动计分装置
US20040036221A1 (en) * 2002-08-22 2004-02-26 Martinez Dan L. Shooting target with electronic zone indicators and method of use
CA2417222C (en) 2003-01-24 2010-07-06 Optima Global Corporation Electronic scoring dart board
EP1832836B8 (en) * 2004-12-31 2014-01-08 Sega Corporation Dart game device
US9192837B2 (en) 2012-09-27 2015-11-24 Eastpoint Sports Ltd., Llc Lawn dart, lawn dart caddy and target
CN105056503B (zh) * 2015-07-28 2017-09-22 湖南人文科技学院 一种训练用的标枪测绘、标定方法
US10443987B2 (en) 2016-04-21 2019-10-15 Indian Industries, Inc. Dartboard scoring system
US20230266103A1 (en) * 2022-02-18 2023-08-24 Joseph Anthony Giansante Precise Electronic Dartboard

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101198A (en) * 1961-10-04 1963-08-20 James E Williams Automatically scoring dart board
US3275321A (en) * 1964-01-30 1966-09-27 Gerard M Forest Target apparatus with discriminating electrical indicator, and projectiles therefor
CH522196A (fr) * 1969-03-27 1972-04-30 Polytronic S A Cible de tir
US4014546A (en) * 1975-05-29 1977-03-29 Steinkamp Jeffrey H Scoring apparatus
GB1532744A (en) * 1977-05-30 1978-11-22 Arachnid Inc Dart board

Also Published As

Publication number Publication date
CA1299601C (en) 1992-04-28
ATE101708T1 (de) 1994-03-15
NO891758L (no) 1989-10-30
GB8814990D0 (en) 1988-07-27
FI892009A7 (fi) 1989-10-29
PT90407B (pt) 1994-05-31
NO891758D0 (no) 1989-04-27
JPH01318898A (ja) 1989-12-25
GB2217618B (en) 1992-01-02
NZ228865A (en) 1990-12-21
CN1037662A (zh) 1989-12-06
GB2217618A (en) 1989-11-01
DK165805B (da) 1993-01-18
DK165805C (da) 1993-06-21
DK205289A (da) 1989-10-29
NO168915B (no) 1992-01-06
AU3382589A (en) 1989-11-02
ZA893160B (en) 1989-12-27
AU609685B2 (en) 1991-05-02
FI892009A0 (fi) 1989-04-27
CN1018194B (zh) 1992-09-09
DE68913069T2 (de) 1994-09-01
DE68913069D1 (de) 1994-03-24
EP0339898A2 (en) 1989-11-02
NO168915C (no) 1992-04-15
FI892009L (fi) 1989-10-29
US4852888A (en) 1989-08-01
DK205289D0 (da) 1989-04-27
EP0339898A3 (en) 1990-11-28
EP0339898B1 (en) 1994-02-16

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19931109

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19950531