JPS647349B2 - - Google Patents

Info

Publication number
JPS647349B2
JPS647349B2 JP6423881A JP6423881A JPS647349B2 JP S647349 B2 JPS647349 B2 JP S647349B2 JP 6423881 A JP6423881 A JP 6423881A JP 6423881 A JP6423881 A JP 6423881A JP S647349 B2 JPS647349 B2 JP S647349B2
Authority
JP
Japan
Prior art keywords
capacitor
voltage
ionization chamber
radioactive substance
time
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
JP6423881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57179686A (en
Inventor
Yoshihiko Murayama
Shinji Takashima
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.)
Nemoto and Co Ltd
Ricoh Co Ltd
Original Assignee
Nemoto and Co Ltd
Ricoh 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 Nemoto and Co Ltd, Ricoh Co Ltd filed Critical Nemoto and Co Ltd
Priority to JP6423881A priority Critical patent/JPS57179686A/ja
Publication of JPS57179686A publication Critical patent/JPS57179686A/ja
Publication of JPS647349B2 publication Critical patent/JPS647349B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/16—Apparatus for producing preselected time intervals for use as timing standards using pulses produced by radio-isotopes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
JP6423881A 1981-04-30 1981-04-30 Timer element Granted JPS57179686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6423881A JPS57179686A (en) 1981-04-30 1981-04-30 Timer element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6423881A JPS57179686A (en) 1981-04-30 1981-04-30 Timer element

Publications (2)

Publication Number Publication Date
JPS57179686A JPS57179686A (en) 1982-11-05
JPS647349B2 true JPS647349B2 (enrdf_load_stackoverflow) 1989-02-08

Family

ID=13252349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6423881A Granted JPS57179686A (en) 1981-04-30 1981-04-30 Timer element

Country Status (1)

Country Link
JP (1) JPS57179686A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57179686A (en) 1982-11-05

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