Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Multifunctional mathmatical ruler

A multi-functional and mathematical technology, applied to rulers, rulers, printing and other directions for direct reading, can solve the problems of only direct reading angle, single function of ruler, and only direct reading length

Inactive Publication Date: 2008-02-27
YANGZHOU UNIV
View PDF0 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the rulers commonly used by people include a triangle ruler, a ruler and a protractor. As we all know, each ruler has a single function, or can only directly read the length, or can only directly read the angle.
Especially the trigonometric function is a very headache in the era without computers, and you can only look up the table; the general Pythagorean theorem is even more troublesome when it involves the square root operation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multifunctional mathmatical ruler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] As shown in Figure 1, the present invention is made up of main ruler 1, protractor 2, ruler 3,4 and chi card 5.

[0009] The main ruler 1, the rulers 3 and 4 are respectively provided with equal division scale lines from 0 to 100, and their equal division scale lines are the same. The protractor 2 is provided with a circle center and equiangular scale lines from 0° to 180°.

[0010] Offer a straight chute 6 on the main ruler 1, this chute 6 is parallel with the length direction of main ruler 1.

[0011] The protractor 2 is fixedly connected to the front end of the main ruler 1, the protractor 2 and the main ruler 1 are on the same plane, and the center of the protractor 2 coincides with the 0 position of the main ruler 1, and the 0 position of the main ruler 1 can also be passed The pin shaft is hingedly connected to the ruler 3. On the chute 6 of main ruler 1, another ruler 4 is connected by pin 7. Set ruler card 5 in ruler 4 outer coverings.

[0012] In addition t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a multi-function math ruler, which is the structure technology of math ruler. 0-100 equal-division calibration lines are set on the main straight ruler. A protractor is fixed on the front end of main straight ruler. The protractor and the main straight ruler are in the same plane. The protractor has circle center and 0degree-180degree calibration lines with equal angles. The circle center is coincided with the zero position of main straight ruler. A straight ruler is hinged at the zero position of main straight ruler. Calibration lines, which are the same with equal-division calibration lines of main straight ruler, are set on the straight ruler. A straight sliding groove is opened on the main straight ruler. The sliding groove is parallel with the main straight ruler in the length direction. Another straight ruler is connected on the sliding groove by pin. On the straight line calibration lines, which are the same with calibration lines of main straight ruler, are set. Except for straight ruler, triangle ruler and protractor, the invention can measure angle, draw lines with arbitrary angle, parallel lines and vertical lines so on, directly read triangle function and directly solve relating problem of Pythagorean Theorem.

Description

technical field [0001] The invention relates to a structure technology of a mathematical ruler. Background technique [0002] At present, the rulers commonly used by people include a triangle ruler, a ruler and a protractor. As everyone knows, each ruler has a single function, or can only directly read the length, or can only directly read the angle. In particular, trigonometric functions are a very headache in the era without computers, and they can only be looked up in tables; the general Pythagorean theorem involves square root calculations, which are even more troublesome. Contents of the invention [0003] The purpose of the invention is to design a multifunctional mathematical ruler, which can not only directly read the length and angle, but also directly read trigonometric functions and directly solve the relevant problems of the Pythagorean Theorem. [0004] The invention comprises a main ruler, on which an equal division scale line of 0 to 100 is set, and a protr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B43L13/00B43L7/10G01B3/04
Inventor 于习法
Owner YANGZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com