JPS548470A - Measuring circuit for storage time - Google Patents

Measuring circuit for storage time

Info

Publication number
JPS548470A
JPS548470A JP7319977A JP7319977A JPS548470A JP S548470 A JPS548470 A JP S548470A JP 7319977 A JP7319977 A JP 7319977A JP 7319977 A JP7319977 A JP 7319977A JP S548470 A JPS548470 A JP S548470A
Authority
JP
Japan
Prior art keywords
storage time
measuring circuit
output pulse
measuring
picking
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
JP7319977A
Other languages
Japanese (ja)
Inventor
Isao Kawachi
Masatoshi Nakasu
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.)
Hitachi Ltd
Renesas Eastern Japan Semiconductor Inc
Hitachi Iruma Electronic Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Tohbu Semiconductor Ltd
Hitachi Iruma Electronic 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 Hitachi Ltd, Hitachi Tohbu Semiconductor Ltd, Hitachi Iruma Electronic Co Ltd filed Critical Hitachi Ltd
Priority to JP7319977A priority Critical patent/JPS548470A/en
Publication of JPS548470A publication Critical patent/JPS548470A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To increase the measuring accuracy and to speed up the measuring work, by picking up the storage time of transistors as the output pulse by electrical logic circuits and by converting the output pulse into analog or digital quantity.
COPYRIGHT: (C)1979,JPO&Japio
JP7319977A 1977-06-22 1977-06-22 Measuring circuit for storage time Pending JPS548470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7319977A JPS548470A (en) 1977-06-22 1977-06-22 Measuring circuit for storage time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7319977A JPS548470A (en) 1977-06-22 1977-06-22 Measuring circuit for storage time

Publications (1)

Publication Number Publication Date
JPS548470A true JPS548470A (en) 1979-01-22

Family

ID=13511227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7319977A Pending JPS548470A (en) 1977-06-22 1977-06-22 Measuring circuit for storage time

Country Status (1)

Country Link
JP (1) JPS548470A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152704A (en) * 1980-04-25 1981-11-26 Kanegafuchi Chem Ind Co Ltd Hollow fiber membrane and its manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152704A (en) * 1980-04-25 1981-11-26 Kanegafuchi Chem Ind Co Ltd Hollow fiber membrane and its manufacture

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