JPH02133648U - - Google Patents

Info

Publication number
JPH02133648U
JPH02133648U JP4299789U JP4299789U JPH02133648U JP H02133648 U JPH02133648 U JP H02133648U JP 4299789 U JP4299789 U JP 4299789U JP 4299789 U JP4299789 U JP 4299789U JP H02133648 U JPH02133648 U JP H02133648U
Authority
JP
Japan
Prior art keywords
signal
preamplifier
output signal
amplifies
converts
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
JP4299789U
Other languages
English (en)
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
Priority to JP4299789U priority Critical patent/JPH02133648U/ja
Publication of JPH02133648U publication Critical patent/JPH02133648U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)
JP4299789U 1989-04-14 1989-04-14 Pending JPH02133648U (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4299789U JPH02133648U (de) 1989-04-14 1989-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4299789U JPH02133648U (de) 1989-04-14 1989-04-14

Publications (1)

Publication Number Publication Date
JPH02133648U true JPH02133648U (de) 1990-11-06

Family

ID=31555032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4299789U Pending JPH02133648U (de) 1989-04-14 1989-04-14

Country Status (1)

Country Link
JP (1) JPH02133648U (de)

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