JPS52123649A - Radiation thickness gauge - Google Patents

Radiation thickness gauge

Info

Publication number
JPS52123649A
JPS52123649A JP3939976A JP3939976A JPS52123649A JP S52123649 A JPS52123649 A JP S52123649A JP 3939976 A JP3939976 A JP 3939976A JP 3939976 A JP3939976 A JP 3939976A JP S52123649 A JPS52123649 A JP S52123649A
Authority
JP
Japan
Prior art keywords
thickness gauge
radiation thickness
input
material quality
circuit
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
JP3939976A
Other languages
Japanese (ja)
Other versions
JPS5842408B2 (en
Inventor
Tetsuo Washimi
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Priority to JP51039399A priority Critical patent/JPS5842408B2/en
Publication of JPS52123649A publication Critical patent/JPS52123649A/en
Publication of JPS5842408B2 publication Critical patent/JPS5842408B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

PURPOSE: To reduce errors with simple circuit configuration by inserting a linearization circuit between the output of a logarithmic amplifier and the input of a material quality correction circuit and linearizing the relations between the thickness of the subject and the input of the material quality correction circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP51039399A 1976-04-09 1976-04-09 radiation thickness gauge Expired JPS5842408B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51039399A JPS5842408B2 (en) 1976-04-09 1976-04-09 radiation thickness gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51039399A JPS5842408B2 (en) 1976-04-09 1976-04-09 radiation thickness gauge

Publications (2)

Publication Number Publication Date
JPS52123649A true JPS52123649A (en) 1977-10-18
JPS5842408B2 JPS5842408B2 (en) 1983-09-20

Family

ID=12551904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51039399A Expired JPS5842408B2 (en) 1976-04-09 1976-04-09 radiation thickness gauge

Country Status (1)

Country Link
JP (1) JPS5842408B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105109A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Signal nonlinearity correcting device
JPH01105108A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Converting amplifier with linearizing circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183538U (en) * 1983-05-25 1984-12-06 松下電器産業株式会社 Mechanical parts fastening device
JPH0525983Y2 (en) * 1987-11-16 1993-06-30

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986057U (en) * 1972-11-13 1974-07-25
JPS50144461A (en) * 1974-05-08 1975-11-20
JPS50149366A (en) * 1974-05-21 1975-11-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986057U (en) * 1972-11-13 1974-07-25
JPS50144461A (en) * 1974-05-08 1975-11-20
JPS50149366A (en) * 1974-05-21 1975-11-29

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105109A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Signal nonlinearity correcting device
JPH01105108A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Converting amplifier with linearizing circuit
JPH0529848B2 (en) * 1987-10-17 1993-05-06 Okura Denki Co Ltd
JPH0529847B2 (en) * 1987-10-17 1993-05-06 Okura Denki Co Ltd

Also Published As

Publication number Publication date
JPS5842408B2 (en) 1983-09-20

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