CH271961A - Device for redrawing a perspective image into an orthogonal parallel projection or vice versa, as well as for determining the heights from perspective image and orthogonal parallel projection. - Google Patents
Device for redrawing a perspective image into an orthogonal parallel projection or vice versa, as well as for determining the heights from perspective image and orthogonal parallel projection.Info
- Publication number
- CH271961A CH271961A CH271961DA CH271961A CH 271961 A CH271961 A CH 271961A CH 271961D A CH271961D A CH 271961DA CH 271961 A CH271961 A CH 271961A
- Authority
- CH
- Switzerland
- Prior art keywords
- perspective image
- parallel projection
- orthogonal parallel
- redrawing
- heights
- Prior art date
Links
Classifications
-
- 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
- B43L13/141—Two-dimensional devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE271961X | 1948-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH271961A true CH271961A (en) | 1950-11-30 |
Family
ID=20306781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH271961D CH271961A (en) | 1948-03-15 | 1949-03-14 | Device for redrawing a perspective image into an orthogonal parallel projection or vice versa, as well as for determining the heights from perspective image and orthogonal parallel projection. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE487847A (en) |
CH (1) | CH271961A (en) |
DE (1) | DE913239C (en) |
FR (1) | FR982895A (en) |
GB (1) | GB671669A (en) |
-
0
- BE BE487847D patent/BE487847A/xx unknown
-
1949
- 1949-03-12 FR FR982895D patent/FR982895A/en not_active Expired
- 1949-03-14 CH CH271961D patent/CH271961A/en unknown
- 1949-03-14 GB GB6906/49A patent/GB671669A/en not_active Expired
- 1949-03-15 DE DEA14657A patent/DE913239C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB671669A (en) | 1952-05-07 |
BE487847A (en) | |
DE913239C (en) | 1954-06-10 |
FR982895A (en) | 1951-06-15 |
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