Identifying duty exemptions via HS code

List of the table of contents of this article:

• 1,Identifying duty exemptions via HS code Does anyone know how many control methods are available for the conference discussion system?
• 2, [Conference Room Environmental Intelligent Control System] ibus Intelligent Lighting Control System
• 3, What are the requirements for the design of the central control system of the conference system?
• 4, What does the digital conference control system mean
• 5, What are the classifications of the conference system
• 6, What does the full name of meeting control mean

Does anyone know how many control methods are available for the conference discussion system?

1. The central controller is the heart of the management system. The central controller can be operated independently to realize automatic meeting control; it can also be operated by the operator through a personal computer to achieve more complex management.

2. The hand-in-hand conference discussion system can be composed of a conference system control host or an automatic mixing table, a wired conference unit, a connection cable and a conference management software system. The point-to-point conference system can be composed of a loudspeacer control device (mixing table or media matrix), a conference loudspeter and a connection cable.The point-to-point method is commonly used in the conference system.

3. According to the system configuration, you can answer incoming calls in one of the following ways: When there should be a manual call, you can choose to accept or reject incoming calls in the window that appears on the page. The automatic response terminal automatically responds to incoming calls. 2 Start the meeting On the home screen, use one of the following ways to start the meeting.

4. Feedback control method. The feedback control system composed of feedback control has the ability to suppress the impact of any internal and external disturbances on the controlled amount, and has high control accuracy. However, this kind of system uses many components and complex structures, and the performance analysis and design of the system is also more troublesome.

5. Report mode: one person speaks to everyone, the host, everyone face to face. The general amplification basically depends on the building area of the conference room.Speech mode: The amplification form is similar to the report mode, but the audience's question amplification must be prepared. The video should have a display system.

6. And the content of the meeting and the voting results can be displayed on the computer screen or projector.

[meeting room environment intelligent controlSystem] ibus intelligent lighting control system

The central air exchange system in the conference room can realize regular automatic air change through the intelligent host, and can also automatically change the air when the indoor smoke reaches a certain concentration. The host can also force the wind change with the remote control without direction in his hand.

The main function of the intelligent lighting control system is to control the switching status and brightness adjustment of the lighting equipment through mobile phones or tablets. Control anytime and anywhere is not limited by time and place. You can turn it on and off whenever and wherever you want.

Improve the learning and working environment and increase efficiency: A good learning and working environment is a necessary condition for improving work efficiency. Reasonable selection of light sources, lamps and lighting control systems with superior performance can improve the lighting quality.

First of all, the intelligent lighting system has intelligent control function.Through intelligent control, users can control the switch, brightness, color and other parameters of the lighting system anytime and anywhere to achieve personalized lighting needs.

The intelligent lighting system can realize automated lighting control by installing the intelligent lighting system, which can be adjusted according to the ambient light and personnel activities. This can save energy and provide a more comfortable lighting experience. Intelligent lighting systems can also be integrated with other systems, such as security systems and conference room reservation systems.

Improve the office environment and improve efficiency. Intelligent lighting can not only be used in home decoration, but also in OFFICE, which can greatly improve the office environment and improve the work efficiency of the company's employees.

What are the requirements for the design of the central control system of the conference system?

1. High efficiency and energy saving: Adopting high efficiency and energy saving design, it can save the tedious operation steps of the meeting guarantee or the meeting controller, and reduce the mistakes that may occur due to the tedious steps. Fashionable and beautiful: fashionable and beautiful wireless touch screen, tailor-made touch screen for you, can perfectly improve the taste of your conference room.

2. Clarify the requirements and budget Before choosing the conference system, it is necessary to clarify the company's requirements and budget, including the purpose of the conference room, the number of participants, the frequency of use, etc. At the same time, it is necessary to consider the reliability, ease of use, flexibility, sound quality and other factors of the system to meet the needs of different meetings.

3. In addition to considering the traditional meeting requirements, it should also be elegant.It has the characteristics of beautiful sound quality, clear image presentation, convenient and fast control, highly centralized management and so on. The multimedia room conference system consists of large-screen display, multimedia audio and video signal source, audio, switching and central integrated control.

4. Conference host: responsible for managing and controlling the central equipment of the entire conference system, including the processing and distribution of audio, video, image and other signals. Conference terminal equipment: including podium terminal, representative terminal and audience terminal, etc., which are used for participants to speak, listen, interact and other operations.

What is the meaning of the digital conference central control system

The concept of the conference central control system: the conference central control system is through the control bus and variousPrepare the connection, receive the control requirements issued by the operator, and then send control instructions to each extended control device and controlled equipment.

The central control system of the conference is to control all electrical-related equipment in the conference room in one operation terminal through a central controller. For example, the projector, the projector screen, the volume adjustment of the microphone, the switching of the video, the light and the switch, the opening and closing of the electric curtain, the switch of the air conditioner, etc.

Central control is the abbreviation of central control equipment, which is widely used in many centralized control fields. Central control system refers to the equipment that centrally manages and controls various equipment such as sound, light and electricity.

Center Control Unit is the core of the conference system. It can be single.Independent operation to realize automatic meeting control, and can also be controlled by the staff through the computer to achieve more complex management. ( 1) Fully automatic meeting management does not require staff operation, and can automatically manage the progress of the meeting.

What are the classifications of the conference system

1, 1 Audio graphic conference system The audio graphic conference system mainly uses voice for multi-party communication, supplemented by fax machines and other communication equipment to transmit graphic files. This is an early form of conference system.

2. Video conferencing system, teleconferencing system, network conferencing, experience steps: 1 video conferencing system is divided into pure hardware video conferencing, software video conferencing or video conferencing server combined with software and hardware. Among them, RHUB Liantongbao, Sequoia Tree and Vision are relatively popular.

3. Classification of conference system: video conferencing Video conferencing is an individual or group of two or more different places. Through transmission lines and multimedia equipment, sound, images and documents are transmitted to each other to achieve instant and interactive communication to complete the purpose of the conference. The conference system equipment. This system is a typical image communication.

4. In the synchronous conference, all users are in an active state at the same time. They use real-time video, audio or data messages to communicate. (3) According to the type of information flow, 1 audio graphic conference system The audio graphic conference system mainly uses voice for multi-party communication, and Complemented by fax machines and other communication devices to transmit graphic files.

5. Analysis: Video conferencing system, also known as conference television systemUnification, which refers to the system equipment of two or more individuals or groups in different places to transmit sound, images and documents through transmission lines and multimedia equipment to realize instant and interactive communication to realize remote conferencing.

What does the full name of control mean

1. Internal control is the abbreviation of internal control. It refers to the internal control and operation of a general company.

2. The full English name of MCU is multi control unit, multi-point control unit. In order to realize a multi-point conference television system, MCU must be set up.

3. CEC, Consumer Electronics Control, that is, consumer electronics control channel.Through this channel, you can control the interaction and control between devices on the HDMI CEC Network.

4. Concert venue control means to control the scene of the concert. Concerts are usually held in local stadiums because of their vast area and are often requisitioned by the concert parties.

5. The full English name of MCU is multi control unit, multi-point control unit. As the name implies, multiple points refer to three points and more than three points. If there are only two points to participate in the meeting, that is, point-to-point, then there is no need for mcu. If you participate in the video conference with more than three points, you must set up MCU.