JPS61143056U - - Google Patents

Info

Publication number
JPS61143056U
JPS61143056U JP2584285U JP2584285U JPS61143056U JP S61143056 U JPS61143056 U JP S61143056U JP 2584285 U JP2584285 U JP 2584285U JP 2584285 U JP2584285 U JP 2584285U JP S61143056 U JPS61143056 U JP S61143056U
Authority
JP
Japan
Prior art keywords
drive pulse
generation circuit
transducer
provides
pulse generation
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.)
Granted
Application number
JP2584285U
Other languages
English (en)
Other versions
JPH0533960Y2 (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 JP2584285U priority Critical patent/JPH0533960Y2/ja
Publication of JPS61143056U publication Critical patent/JPS61143056U/ja
Application granted granted Critical
Publication of JPH0533960Y2 publication Critical patent/JPH0533960Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第１図は
本考案の配管内部検査装置のブロツク図、第２図
は駆動信号とエコー信号の波形を示すタイムチヤ
ートである。 １……配管内部検査装置、２……配管、４……
スラツジ、６……トランスジユーサ、８……正位
相駆動パルス発生回路、１０……逆位相駆動パル
ス発生回路、１２……タイミング信号発生回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 超音波を送受波するトランスジユーサと、この
    トランスジユーサに正位相の駆動パルスを与える
    正位相駆動パルス発生回路と、前記トランスジユ
    ーサに逆位相の駆動パルスを与える逆位相駆動パ
    ルス発生回路と、これらの両駆動パルス発生回路
    に所定の遅延時間でもつて駆動パルス発生用のタ
    イミング信号を与えるタイミング信号発生回路と
    を備えることを特徴とする配管内部検査装置。
JP2584285U 1985-02-25 1985-02-25 Expired - Lifetime JPH0533960Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2584285U JPH0533960Y2 (ja) 1985-02-25 1985-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2584285U JPH0533960Y2 (ja) 1985-02-25 1985-02-25

Publications (2)

Publication Number Publication Date
JPS61143056U true JPS61143056U (ja) 1986-09-04
JPH0533960Y2 JPH0533960Y2 (ja) 1993-08-27

Family

ID=30521292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2584285U Expired - Lifetime JPH0533960Y2 (ja) 1985-02-25 1985-02-25

Country Status (1)

Country Link
JP (1) JPH0533960Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642124A (en) * 1987-06-25 1989-01-06 Canon Inc Coordinates input device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642124A (en) * 1987-06-25 1989-01-06 Canon Inc Coordinates input device

Also Published As

Publication number Publication date
JPH0533960Y2 (ja) 1993-08-27

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