ATE10144T1 - Zeichenhilfe. - Google Patents

Zeichenhilfe.

Info

Publication number
ATE10144T1
ATE10144T1 AT81303447T AT81303447T ATE10144T1 AT E10144 T1 ATE10144 T1 AT E10144T1 AT 81303447 T AT81303447 T AT 81303447T AT 81303447 T AT81303447 T AT 81303447T AT E10144 T1 ATE10144 T1 AT E10144T1
Authority
AT
Austria
Prior art keywords
elements
demonstrated
base
sheetform
orthographic
Prior art date
Application number
AT81303447T
Other languages
English (en)
Inventor
John Philip Steadman
Original Assignee
The Open University
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 The Open University filed Critical The Open University
Application granted granted Critical
Publication of ATE10144T1 publication Critical patent/ATE10144T1/de

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
    • G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/14—Devices for drawing in perspective
    • B43L13/16—Devices for drawing in perspective free-hand
    • B43L13/18—Devices for drawing in perspective free-hand having optical or projecting equipment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Business, Economics & Management (AREA)
  • Geometry (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Lubricants (AREA)
  • Steroid Compounds (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Toys (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
AT81303447T 1980-07-29 1981-07-27 Zeichenhilfe. ATE10144T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8024789 1980-07-29
EP81303447A EP0045214B1 (de) 1980-07-29 1981-07-27 Zeichenhilfe

Publications (1)

Publication Number Publication Date
ATE10144T1 true ATE10144T1 (de) 1984-11-15

Family

ID=10515116

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81303447T ATE10144T1 (de) 1980-07-29 1981-07-27 Zeichenhilfe.

Country Status (3)

Country Link
EP (1) EP0045214B1 (de)
AT (1) ATE10144T1 (de)
DE (1) DE3166960D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2007437A1 (en) * 1990-01-09 1991-07-09 Thomas George Phillips Multifunctional block and kit for science instruction
CN105070153B (zh) * 2015-07-31 2017-10-27 湖南科技大学 一种多面正投影画法几何教学仪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE66541C (de) * H. eppers, Lehrer, in Braunschweig, Bohlweg 43 Gestell für eine Camera lucida
GB622490A (en) * 1946-09-16 1949-05-03 Blackburn Aircraft Ltd Apparatus for use in instructing the principles of projection in draughtsmanship
GB661328A (en) * 1949-05-31 1951-11-21 William Maurice Jabez Sexton An apparatus for tracing objects, designs and the like to reduced or enlarged scale
US3465453A (en) * 1967-09-14 1969-09-09 St Regis Paper Co Mathematical comparison device
US3680227A (en) * 1970-10-12 1972-08-01 James Clinton Pavelle Multiple design viewer

Also Published As

Publication number Publication date
DE3166960D1 (en) 1984-12-06
EP0045214A1 (de) 1982-02-03
EP0045214B1 (de) 1984-10-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties