Voice broadcast device for college independent enrollment examinations

A technology of voice broadcasting and colleges, applied in the direction of transducer shell/cabinet/bracket, speaker transducer fixation, etc., can solve problems such as affecting the normal playback of voice, and achieve the effect of convenient movement and guaranteed playback effect.

Inactive Publication Date: 2020-08-28
JIANGSU MARITIME INST
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the particularity of the self-enrollment examination of colleges and universities, it is necessary to ensure that the broadcast content is played at a uniform time. However, the traditional voice broadcast devices for the self-enrollment examination of colleges and universities are generally installed on the walls at the front and back of the classroom. When the damage is discovered before the exam and it is too late to repair, It is easy to affect the normal playback of voice

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
  • Voice broadcast device for college independent enrollment examinations
  • Voice broadcast device for college independent enrollment examinations
  • Voice broadcast device for college independent enrollment examinations

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0024] Please refer to Figure 1-Figure 3 , in the first embodiment of the present invention, the voice broadcast device for self-enrollment examinations in colleges and universities includes: a sound body 1; a casing 2, the casing 2 is fixedly sleeved on the outside of the sound body 1; a connecting jack 3, the The connecting jack 3 is opened on one side of the shell 2; the speaker hole 4 is set on one side of the shell 2; the connecting wire placement box 5 is fixedly installed on the On the sound body 1; four pads 6, the four pads 6 are rectangular and fixedly installed on the bottom of the housing 2; four first threaded grooves 7, the four first threaded grooves 7 are respectively Set at the bottom of the pad 6; four installation grooves 8, the four installation grooves 8 are linearly opened on one side of the housing 2; four telescopic support rods 9, the four telescopic support rods 9 They are respectively installed in the four installation grooves 8 , and the telescopi...

no. 2 example

[0035] Based on the voice broadcast device for independent college entrance examinations provided in the first embodiment of the present application, the second embodiment of the present application proposes another voice broadcast device for college independent admission exams. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0036] The second embodiment of the present invention will be further described below in conjunction with the drawings and implementation methods.

[0037] Please refer to Figure 4 and Figure 5 The voice broadcasting device for self-enrollment examinations in colleges and universities also includes a cover plate 10 hinged on one side of the housing 2, a mounting block 11 is fixedly installed on the top of the cover plate 10, and a rotating rod 12 is installed on the mounting block 11, A threaded block 14 is ...

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 voice broadcast device for college independent enrollment examination. A voice broadcast device for college independent enrollment examination comprises: a sound box body; a shell that is fixedly arranged on the outer side of the sound box body in a sleeving manner; the connecting jack that is formed in one side of the shell; the horn hole that is formed in one side of theshell; a connecting line placing box which is fixedly installed on the sound box body; the four cushion blocks that are fixedly mounted at the bottom of the shell in a rectangular shape; and the fourfirst threaded grooves that are formed in the bottom of the cushion block. The voice broadcast device for the college independent enrollment examination has the advantages of being convenient to use,easy to operate and capable of guaranteeing normal playing of examination voice when an original voice broadcasting device fixed in a classroom is damaged.

Description

technical field [0001] The invention relates to the technical field of voice broadcasting, in particular to a voice broadcasting device for self-enrollment examinations in colleges and universities. Background technique [0002] Audio equipment is composed of sound source (music playback equipment, sound pickup equipment is microphone), control equipment (analog or digital mixer), audio processor (previously used effector, equalizer, compressor, frequency divider, Peripheral equipment such as signal distributors and delayers, and now digital system controllers that integrate the above functions), power amplifiers (power amplifiers) and speakers. [0003] Due to the particularity of the self-enrollment examination of colleges and universities, it is necessary to ensure that the broadcast content is played at a uniform time. However, the traditional voice broadcast devices for the self-enrollment examination of colleges and universities are generally installed on the walls at ...

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): H04R1/02
CPCH04R1/02H04R1/025
Inventor 秦洋
Owner JIANGSU MARITIME INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap