GB442218A - Improvements in or relating to target indicators - Google Patents

Improvements in or relating to target indicators

Info

Publication number
GB442218A
GB442218A GB21919/34A GB2191934A GB442218A GB 442218 A GB442218 A GB 442218A GB 21919/34 A GB21919/34 A GB 21919/34A GB 2191934 A GB2191934 A GB 2191934A GB 442218 A GB442218 A GB 442218A
Authority
GB
United Kingdom
Prior art keywords
electromagnets
target
actuated
electromagnet
series
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.)
Expired
Application number
GB21919/34A
Other languages
English (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.)
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
Publication of GB442218A publication Critical patent/GB442218A/en
Expired legal-status Critical Current

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
    • F41J5/041—Targets comprising two sets of electric contacts forming a coordinate system grid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
GB21919/34A 1933-07-27 1934-07-26 Improvements in or relating to target indicators Expired GB442218A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RO184654X 1933-07-27
RO90234X 1934-02-09

Publications (1)

Publication Number Publication Date
GB442218A true GB442218A (en) 1936-01-27

Family

ID=26653464

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21919/34A Expired GB442218A (en) 1933-07-27 1934-07-26 Improvements in or relating to target indicators

Country Status (6)

Country Link
US (1) US2108919A (de)
BE (1) BE404403A (de)
CH (1) CH184654A (de)
DE (1) DE642231C (de)
FR (1) FR780303A (de)
GB (1) GB442218A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222563A (en) * 1979-03-30 1980-09-16 Heftler Thomas E Paddle for playing platform tennis, paddle ball and the like

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557437A (en) * 1945-02-17 1951-06-19 Sunbeam Corp Magazine type recording apparatus
DE945903C (de) * 1953-08-14 1956-07-19 Karl Kohler Mechanische Zielscheibe mit einer elektrischen Anzeigevorrichtung und einer Markiervorrichtung auf Zielkarten
US2973964A (en) * 1955-08-01 1961-03-07 American Mach & Foundry Impact indicating system
US2916289A (en) * 1955-08-01 1959-12-08 American Mach & Foundry Impact indicating system
CA2604267C (en) * 2005-04-11 2013-11-26 Bruce Hodge Method and apparatus for determining and retrieving positional information
US8947108B2 (en) 2012-02-24 2015-02-03 Bruce Hodge Precision target methods and apparatus
CN112037367B (zh) * 2020-09-14 2022-11-18 深圳市富德康电子有限公司 一种具有蓝牙功能的智能行车记录仪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222563A (en) * 1979-03-30 1980-09-16 Heftler Thomas E Paddle for playing platform tennis, paddle ball and the like

Also Published As

Publication number Publication date
BE404403A (de)
DE642231C (de) 1937-02-27
CH184654A (de) 1936-06-15
US2108919A (en) 1938-02-22
FR780303A (fr) 1935-04-23

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