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

Photoamplifier circuit for photoelectric reader for computer

A photoelectric amplifier and input machine technology, applied in the field of amplifier circuits, can solve the problems of low ability to receive optical signals, weak signal isolation, low anti-interference ability, etc., and achieve the effect of strong anti-interference ability, strong optical signal, and strong reception.

Inactive Publication Date: 2015-04-29
CHENGDU ASIAYAK TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current photoelectric input machine has low ability to receive optical signals, weak signal isolation, low anti-interference ability, and complex structure

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
  • Photoamplifier circuit for photoelectric reader for computer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] The present invention will be further described below in conjunction with accompanying drawing:

[0010] Such as figure 1 As shown, the present invention is a photoelectric amplifying circuit for a computer photoelectric input machine, including the first resistor R1 to the sixth resistor R6, the first diode D1 to the third diode D3, the first triode VT1, The second triode VT2, the potentiometer RP, the capacitor C and the light-emitting diode LED, the first voltage input terminal is respectively connected with the first terminal of the first resistor R1 and the first terminal of the second resistor R2, and the second voltage input The terminals are respectively connected with the anode of the first diode D1, the second terminal of the first resistor R1, the first terminal of the potentiometer RP, the first terminal of the third resistor R3 and the first terminal of the capacitor C, and the voltage output terminals are respectively It is connected with the cathode of 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 discloses a photoamplifier circuit for a photoelectric reader for a computer. The photoamplifier circuit comprises first-sixth resistors, first-third diodes, a first transistor, a second transistor, a potentiometer, a capacitor and a light-emitting diode. A first voltage input end is connected with the first end of the first resistor and the first end of the second resistor, and a second voltage input end is connected with the anode of the first diode, the second end of the first resistor, the first end of the potentiometer, the first end of the third resistor and the first end of the capacitor. A voltage output end is connected with the cathode of the first diode, the second end of the second resistor and the collector electrode of the first transistor. The photoamplifier circuit has the advantages of high capability of receiving light signals, good signal isolation effect, high anti-jamming capability and simple structure.

Description

technical field [0001] The invention relates to an amplifying circuit, in particular to a photoelectric amplifying circuit used in a computer photoelectric input machine. Background technique [0002] The input device is an important part of the computer. The input device and the output device are called external devices. The input device is to input information such as programs, raw data, text, control commands or on-site data into the computer. The photoelectric input machine is One of the common input devices. A photoelectric amplifier circuit refers to a circuit that can amplify the photocurrent generated by a certain frequency of light on a special metal. The current photoelectric input machine has low ability to receive optical signals, weak signal isolation, low anti-interference ability and complex structure. Contents of the invention [0003] The object of the present invention is to provide a photoelectric amplifier circuit for computer photoelectric input mach...

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): H03K17/94
Inventor 王东旭
Owner CHENGDU ASIAYAK TECH
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