Unlock instant, AI-driven research and patent intelligence for your innovation.

USB Chargeable Calculator

A calculator and USB technology, which is applied in the field of calculators, can solve the problems of calculator battery replacement troubles, inability to charge and use directly, etc.

Inactive Publication Date: 2019-02-05
宜城市小河镇小河初级中学
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Ordinary calculators need battery power to operate and use. Sometimes we need to replace the batteries when we find that the screen is not very bright during use. However, it is troublesome to replace the batteries of calculators, but they cannot be charged directly.

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
  • USB Chargeable Calculator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] figure 1 As shown: the calculator 1 is provided with a USB interface 2 at the side end, which can be charged.

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 provides a USB charging calculator. The side end of the calculator is provided with a USB interface. If the calculator is not powered in use, the calculator can be plugged into the USB interface for charging, which is very convenient.

Description

technical field [0001] The invention relates to a calculator, in particular to a calculator which can be charged by USB. Background technique [0002] Ordinary calculators need battery power to operate. Sometimes we need to replace the batteries when we find that the screen is not very bright during use. However, it is troublesome to replace the batteries of calculators, but they cannot be charged directly. . Contents of the invention [0003] The purpose of the present invention is to provide a calculator that can be charged by USB. The calculator can be plugged into the USB interface for charging, which is very convenient. [0004] The invention includes a calculator, and the adopted technical scheme is that: the calculator is provided with a USB interface at the side end, which can be charged. [0005] The beneficial effect of the present invention is: since the side end of the calculator is provided with a USB interface, when we are using it, if the calculator is out...

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
Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/02
CPCG06F15/02H02J7/00
Inventor 常健豪
Owner 宜城市小河镇小河初级中学