JPS5438199A - Calculation board - Google Patents

Calculation board

Info

Publication number
JPS5438199A
JPS5438199A JP10515377A JP10515377A JPS5438199A JP S5438199 A JPS5438199 A JP S5438199A JP 10515377 A JP10515377 A JP 10515377A JP 10515377 A JP10515377 A JP 10515377A JP S5438199 A JPS5438199 A JP S5438199A
Authority
JP
Japan
Prior art keywords
calculation board
board part
abacus
accuracy
improvement
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
JP10515377A
Other languages
Japanese (ja)
Other versions
JPS5520244B2 (en
Inventor
Tamotsu Tanaka
Takeji Taguchi
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10515377A priority Critical patent/JPS5438199A/en
Publication of JPS5438199A publication Critical patent/JPS5438199A/en
Publication of JPS5520244B2 publication Critical patent/JPS5520244B2/ja
Granted legal-status Critical Current

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Landscapes

  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE: To achieve the improvement in the accuracy and efficiency of electronic exchanges, etc. and associated businesses by providing a calculation board part for decimal conversion of abacus construction, a binary calculation board part and a converted number display part indicating auxiliary numerical values.
COPYRIGHT: (C)1979,JPO&Japio
JP10515377A 1977-09-01 1977-09-01 Calculation board Granted JPS5438199A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10515377A JPS5438199A (en) 1977-09-01 1977-09-01 Calculation board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10515377A JPS5438199A (en) 1977-09-01 1977-09-01 Calculation board

Publications (2)

Publication Number Publication Date
JPS5438199A true JPS5438199A (en) 1979-03-22
JPS5520244B2 JPS5520244B2 (en) 1980-05-31

Family

ID=14399763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10515377A Granted JPS5438199A (en) 1977-09-01 1977-09-01 Calculation board

Country Status (1)

Country Link
JP (1) JPS5438199A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59169486A (en) * 1983-03-15 1984-09-25 Nitto Electric Ind Co Ltd Cultivation of tissue culture product of panax ginseng
JPS61238727A (en) * 1985-04-17 1986-10-24 Jujo Paper Co Ltd Production of biologically active component by tissue culture of acanthopanax senticosus
JPS6239529A (en) * 1985-08-13 1987-02-20 Nitto Electric Ind Co Ltd Production of medicinal ginseng extract
JPS63216478A (en) * 1987-03-04 1988-09-08 Japan Bio Kenkyusho:Kk Preparation of tissue culture product of brazilian carrot
JPS63254982A (en) * 1987-04-14 1988-10-21 Nitto Electric Ind Co Ltd Method for inducing medicinal ginseng having hairy root

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111979A (en) * 1978-02-21 1979-09-01 Uchiyama Mfg Stopper for prize competition
JPS62196826A (en) * 1986-02-24 1987-08-31 Fuji Merutetsuku Kk Exposure device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59169486A (en) * 1983-03-15 1984-09-25 Nitto Electric Ind Co Ltd Cultivation of tissue culture product of panax ginseng
JPS61238727A (en) * 1985-04-17 1986-10-24 Jujo Paper Co Ltd Production of biologically active component by tissue culture of acanthopanax senticosus
JPS6239529A (en) * 1985-08-13 1987-02-20 Nitto Electric Ind Co Ltd Production of medicinal ginseng extract
JPS63216478A (en) * 1987-03-04 1988-09-08 Japan Bio Kenkyusho:Kk Preparation of tissue culture product of brazilian carrot
JPS63254982A (en) * 1987-04-14 1988-10-21 Nitto Electric Ind Co Ltd Method for inducing medicinal ginseng having hairy root

Also Published As

Publication number Publication date
JPS5520244B2 (en) 1980-05-31

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