DE1780024U - CHARACTER TEMPLATE. - Google Patents
CHARACTER TEMPLATE.Info
- Publication number
- DE1780024U DE1780024U DEF15686U DEF0015686U DE1780024U DE 1780024 U DE1780024 U DE 1780024U DE F15686 U DEF15686 U DE F15686U DE F0015686 U DEF0015686 U DE F0015686U DE 1780024 U DE1780024 U DE 1780024U
- Authority
- DE
- Germany
- Prior art keywords
- parabola
- template
- cubic
- square
- straight line
- 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
Links
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/02—Plates having a flat surface
-
- 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
- B43L13/001—Mathematical drawing instruments
- B43L13/002—Angle intersecting devices
-
- 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
- B43L7/00—Straightedges
-
- 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
- B43L7/00—Straightedges
- B43L7/005—Straightedges combined with other drawing aids
-
- 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
- B43L7/00—Straightedges
- B43L7/027—Plural non-adjustable straightedges fixed at right angles
-
- 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
- B43L9/00—Circular curve-drawing or like instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
- G01B3/566—Squares
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Image Generation (AREA)
Description
In Erweiterung des Neuerungsgedankens wird diese Gerade gleich mit
einer Neigungsskala versehen, so daß durch
In der beiliegenden Zeichnung ist ein Beispiel für die Ausbildung einer Schablone gemäß Neuerung dargestellt.In the accompanying drawing is an example of the training a template according to the innovation.
Die aus etwa 1 bis 1,5 mm dicken, transparentem Material gefertigte
Schablone l wird einerseits von der quadratischen Parabel 4 und andererseits durch
die Gerade 2,
Bei der Lösung der reduzierten kubischen Gleichung verfährt man sinngemäß unter Benutzung der Ziehkante für die kubische Parabel y = x3. Zum Beispiel wird die Gleichung x3-2x-0,5 = 0 umgeformt in x3 = 2x+0,5. Die kubische Parabel wird durch zweimaliges Anlegen des Ausschnittes y==x gezeichnet.When solving the reduced cubic equation one proceeds analogously using the drag line for the cubic parabola y = x3. For example will the equation x3-2x-0.5 = 0 transformed into x3 = 2x + 0.5. The cubic parabola becomes drawn by creating the section y == x twice.
Die Einzeichnung der Geraden 2x +0, 5 erfolgt durch Anlegen der Ausschnittkante y = Ox unter Benutzung der Neigungsskala mit 0 = 2 im Punkte y = 0,5.The straight lines 2x +0, 5 are drawn in by creating the cutout edge y = Ox using the slope scale with 0 = 2 at point y = 0.5.
Die Abszissenabstände der Schnittpunkt von kubischer Parabel und Geraden
ergeben die Wurzeln xl = 1,52,
Auf diese Weise lassen sich die reellen Wurzeln der Gleichungen zweiten und dritten Grades lösen. Die imaginären Wurzeln lassen sich nach Auffinden einer reellen Wurzel dann leicht rechnerisch ermitteln.In this way, the real roots of the equations can be second and third degree solve. The imaginary roots can be found after finding a The real root can then easily be determined by calculation.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF15686U DE1780024U (en) | 1958-10-25 | 1958-10-25 | CHARACTER TEMPLATE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF15686U DE1780024U (en) | 1958-10-25 | 1958-10-25 | CHARACTER TEMPLATE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1780024U true DE1780024U (en) | 1958-12-24 |
Family
ID=32834206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEF15686U Expired DE1780024U (en) | 1958-10-25 | 1958-10-25 | CHARACTER TEMPLATE. |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1780024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013114752A1 (en) | 2013-12-21 | 2015-06-25 | Philipp Hoffmann | A plotter |
-
1958
- 1958-10-25 DE DEF15686U patent/DE1780024U/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013114752A1 (en) | 2013-12-21 | 2015-06-25 | Philipp Hoffmann | A plotter |
| DE102013114752B4 (en) * | 2013-12-21 | 2017-04-27 | Philipp Hoffmann | A plotter |
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