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JPS5436753A - Detection of foreign substance in sealed body - Google Patents

Detection of foreign substance in sealed body

Info

Publication number
JPS5436753A
JPS5436753A JP10256777A JP10256777A JPS5436753A JP S5436753 A JPS5436753 A JP S5436753A JP 10256777 A JP10256777 A JP 10256777A JP 10256777 A JP10256777 A JP 10256777A JP S5436753 A JPS5436753 A JP S5436753A
Authority
JP
Japan
Prior art keywords
foreign substance
detection
sealed body
vibrations
fail
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
JP10256777A
Other languages
Japanese (ja)
Other versions
JPS576542B2 (en
Inventor
Akihiko No
Yoshiaki Saijo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP10256777A priority Critical patent/JPS5436753A/en
Publication of JPS5436753A publication Critical patent/JPS5436753A/en
Publication of JPS576542B2 publication Critical patent/JPS576542B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

PURPOSE: To detect a foreign substance without fail in accordance with a vibrating pattern, even if it is small, by detecting with the use of a vibration detector such a high frequency component of the vibrations which are generated in the inner wall of a foreign substance, as exceeds an audible range.
COPYRIGHT: (C)1979,JPO&Japio
JP10256777A 1977-08-29 1977-08-29 Detection of foreign substance in sealed body Granted JPS5436753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10256777A JPS5436753A (en) 1977-08-29 1977-08-29 Detection of foreign substance in sealed body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10256777A JPS5436753A (en) 1977-08-29 1977-08-29 Detection of foreign substance in sealed body

Publications (2)

Publication Number Publication Date
JPS5436753A true JPS5436753A (en) 1979-03-17
JPS576542B2 JPS576542B2 (en) 1982-02-05

Family

ID=14330789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10256777A Granted JPS5436753A (en) 1977-08-29 1977-08-29 Detection of foreign substance in sealed body

Country Status (1)

Country Link
JP (1) JPS5436753A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435672A (en) * 2011-09-02 2012-05-02 哈尔滨工业大学 Detection station, and automatic detection device and detection method for surplus object of aerospace electronic equipment by using detection station
JP6302105B1 (en) * 2017-01-27 2018-03-28 東急建設株式会社 Sounding device and inspection method using the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531983A (en) * 1967-10-06 1970-10-06 Heath Intern Inc Sonic pole testing apparatus
JPS49107280A (en) * 1973-01-29 1974-10-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531983A (en) * 1967-10-06 1970-10-06 Heath Intern Inc Sonic pole testing apparatus
JPS49107280A (en) * 1973-01-29 1974-10-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435672A (en) * 2011-09-02 2012-05-02 哈尔滨工业大学 Detection station, and automatic detection device and detection method for surplus object of aerospace electronic equipment by using detection station
JP6302105B1 (en) * 2017-01-27 2018-03-28 東急建設株式会社 Sounding device and inspection method using the same

Also Published As

Publication number Publication date
JPS576542B2 (en) 1982-02-05

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