JPH0134354B2 - - Google Patents

Info

Publication number
JPH0134354B2
JPH0134354B2 JP6423781A JP6423781A JPH0134354B2 JP H0134354 B2 JPH0134354 B2 JP H0134354B2 JP 6423781 A JP6423781 A JP 6423781A JP 6423781 A JP6423781 A JP 6423781A JP H0134354 B2 JPH0134354 B2 JP H0134354B2
Authority
JP
Japan
Prior art keywords
photoelectric element
mixture
radioactive substance
voltage
elapsed 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
JP6423781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57179685A (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 JP6423781A priority Critical patent/JPS57179685A/ja
Publication of JPS57179685A publication Critical patent/JPS57179685A/ja
Publication of JPH0134354B2 publication Critical patent/JPH0134354B2/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)
JP6423781A 1981-04-30 1981-04-30 Timer element Granted JPS57179685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6423781A JPS57179685A (en) 1981-04-30 1981-04-30 Timer element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6423781A JPS57179685A (en) 1981-04-30 1981-04-30 Timer element

Publications (2)

Publication Number Publication Date
JPS57179685A JPS57179685A (en) 1982-11-05
JPH0134354B2 true JPH0134354B2 (enrdf_load_stackoverflow) 1989-07-19

Family

ID=13252317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6423781A Granted JPS57179685A (en) 1981-04-30 1981-04-30 Timer element

Country Status (1)

Country Link
JP (1) JPS57179685A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57179685A (en) 1982-11-05

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