JPH0140419B2 - - Google Patents

Info

Publication number
JPH0140419B2
JPH0140419B2 JP58159499A JP15949983A JPH0140419B2 JP H0140419 B2 JPH0140419 B2 JP H0140419B2 JP 58159499 A JP58159499 A JP 58159499A JP 15949983 A JP15949983 A JP 15949983A JP H0140419 B2 JPH0140419 B2 JP H0140419B2
Authority
JP
Japan
Prior art keywords
signal
frequency
circuit
recording
modulated wave
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.)
Expired
Application number
JP58159499A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6050751A (ja
Inventor
Tsutomu Ishii
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP58159499A priority Critical patent/JPS6050751A/ja
Publication of JPS6050751A publication Critical patent/JPS6050751A/ja
Publication of JPH0140419B2 publication Critical patent/JPH0140419B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Tests Of Electronic Circuits (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
JP58159499A 1983-08-31 1983-08-31 回路基板の計測検査装置 Granted JPS6050751A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58159499A JPS6050751A (ja) 1983-08-31 1983-08-31 回路基板の計測検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58159499A JPS6050751A (ja) 1983-08-31 1983-08-31 回路基板の計測検査装置

Publications (2)

Publication Number Publication Date
JPS6050751A JPS6050751A (ja) 1985-03-20
JPH0140419B2 true JPH0140419B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-29

Family

ID=15695100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58159499A Granted JPS6050751A (ja) 1983-08-31 1983-08-31 回路基板の計測検査装置

Country Status (1)

Country Link
JP (1) JPS6050751A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5805290A (en) 1996-05-02 1998-09-08 International Business Machines Corporation Method of optical metrology of unresolved pattern arrays
US5965309A (en) * 1997-08-28 1999-10-12 International Business Machines Corporation Focus or exposure dose parameter control system using tone reversing patterns
CN109342916B (zh) * 2018-08-29 2022-04-12 昆明理工大学 一种基于微控制器的调幅度检测电路装置

Also Published As

Publication number Publication date
JPS6050751A (ja) 1985-03-20

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