JPH02257970A - 衝撃領域検出装置 - Google Patents

衝撃領域検出装置

Info

Publication number
JPH02257970A
JPH02257970A JP1320730A JP32073089A JPH02257970A JP H02257970 A JPH02257970 A JP H02257970A JP 1320730 A JP1320730 A JP 1320730A JP 32073089 A JP32073089 A JP 32073089A JP H02257970 A JPH02257970 A JP H02257970A
Authority
JP
Japan
Prior art keywords
transducer
impact area
detection device
piezoelectric
signal
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.)
Pending
Application number
JP1320730A
Other languages
English (en)
Japanese (ja)
Inventor
Kyung-Tae Park
キュン・タエ・パク
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.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of JPH02257970A publication Critical patent/JPH02257970A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP1320730A 1988-12-16 1989-12-12 衝撃領域検出装置 Pending JPH02257970A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28519088A 1988-12-16 1988-12-16
US285190 1994-08-02

Publications (1)

Publication Number Publication Date
JPH02257970A true JPH02257970A (ja) 1990-10-18

Family

ID=23093155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1320730A Pending JPH02257970A (ja) 1988-12-16 1989-12-12 衝撃領域検出装置

Country Status (2)

Country Link
JP (1) JPH02257970A (fr)
CA (1) CA2004148A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020075952A (ko) * 2001-03-26 2002-10-09 김미화 야구투수의 투구 연습장치
JP2008002698A (ja) * 2006-06-20 2008-01-10 Babcock Hitachi Kk 標的装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713422A (zh) * 2015-04-02 2015-06-17 何明 T型压电报靶装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020075952A (ko) * 2001-03-26 2002-10-09 김미화 야구투수의 투구 연습장치
JP2008002698A (ja) * 2006-06-20 2008-01-10 Babcock Hitachi Kk 標的装置

Also Published As

Publication number Publication date
CA2004148A1 (fr) 1990-06-16

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