JPS602400A - 楕円描写器 - Google Patents

楕円描写器

Info

Publication number
JPS602400A
JPS602400A JP10938683A JP10938683A JPS602400A JP S602400 A JPS602400 A JP S602400A JP 10938683 A JP10938683 A JP 10938683A JP 10938683 A JP10938683 A JP 10938683A JP S602400 A JPS602400 A JP S602400A
Authority
JP
Japan
Prior art keywords
thread
ellipse
hole
delineator
writing instrument
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
JP10938683A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0216719B2 (esLanguage
Inventor
伊藤　三喜雄
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP10938683A priority Critical patent/JPS602400A/ja
Priority to US06/622,555 priority patent/US4594784A/en
Publication of JPS602400A publication Critical patent/JPS602400A/ja
Publication of JPH0216719B2 publication Critical patent/JPH0216719B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Vehicle Body Suspensions (AREA)
  • Cereal-Derived Products (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP10938683A 1983-06-20 1983-06-20 楕円描写器 Granted JPS602400A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10938683A JPS602400A (ja) 1983-06-20 1983-06-20 楕円描写器
US06/622,555 US4594784A (en) 1983-06-20 1984-06-20 Apparatus for drawing an ellipse using a piece of string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10938683A JPS602400A (ja) 1983-06-20 1983-06-20 楕円描写器

Publications (2)

Publication Number Publication Date
JPS602400A true JPS602400A (ja) 1985-01-08
JPH0216719B2 JPH0216719B2 (esLanguage) 1990-04-18

Family

ID=14508914

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10938683A Granted JPS602400A (ja) 1983-06-20 1983-06-20 楕円描写器

Country Status (1)

Country Link
JP (1) JPS602400A (esLanguage)

Also Published As

Publication number Publication date
JPH0216719B2 (esLanguage) 1990-04-18

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