建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】

Brand: 国防工业出版社    Sold By: EM China
建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】
建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】
建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】
建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】

建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】

Brand: 国防工业出版社    Sold By: EM China
$29.24 In Stock
Item can be returned in its original condition for a full refund or replacement within 30 days of receipt.
Ships from China, Arrives in 7-14 business days
Delivery:
08
November2024
-
19
November2024
Delivery guarantee
$5 Credit If Delayed
Full Refund If Item Is Damaged
15-Day Full Refund If No Updates
30-Day Full Refund If Not Delivered

100% Satisfaction Guarantee

Amazing Value

Fast Shipping

Expert Customer Service

建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】

建筑弱电电工技术 张振文 主编 国防工业出版社【正版保证】

$29.24

内容简介全书共分11章,分别讲解了闭路监控系统、卫星接收及有线电视系统;扩声广播系统、防盗报警系统、消防控制系统、数字程控用户交...
Product Details

内容简介
全书共分11章,分别讲解了闭路监控系统、卫星接收及有线电视系统;扩声广播系统、防盗报警系统、消防控制系统、数字程控用户交换机系统、计算机网络系统、门禁控制系统、停车场自动管理系统、楼宇电梯系统、其他楼宇控制电路。附录部分还增设建筑消防系统常用图形符号和电梯电气系统常用电器元件名称及文字符号,供使用者参考。
  本书可供职业类院校建筑弱电工程专业及电工专业作为教材使用,也适用于各机关单位、工厂、宾馆、物业的电工及初学者自学使用。
目  录
章 闭路监控系统
 1.1 电视监控系统的组成
 1.2 电视监控系统的主要设备原理性能及其主要参数
  1.2.1 图像传感器及主要参数
  1.2.2 摄像机的构成及参数
  1.2.3 电动云台及防护罩
  1.2.4 控制器
  1.2.5 视频信号分配器与视频切换器
  1.2.6 视频信号放大器
  1.2.7 双工多画面处理器
  1.2.8 硬盘录像机
  1.2.9 监视器
 1.3 计算机及多媒体控制系统
  1.3.1 计算机控制系统
商品详情

书名:建筑弱电电工技术

定价:24.00元

作者:张振文 主编

出版社:国防工业出版社

出版日期:2010-09-01

ISBN:9787118059557

字数:302000

页码:204

版次:204

装帧:平装

开本:16开

商品重量:

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

内容简介
全书共分11章,分别讲解了闭路监控系统、卫星接收及有线电视系统;扩声广播系统、防盗报警系统、消防控制系统、数字程控用户交换机系统、计算机网络系统、门禁控制系统、停车场自动管理系统、楼宇电梯系统、其他楼宇控制电路。附录部分还增设建筑消防系统常用图形符号和电梯电气系统常用电器元件名称及文字符号,供使用者参考。
  本书可供职业类院校建筑弱电工程专业及电工专业作为教材使用,也适用于各机关单位、工厂、宾馆、物业的电工及初学者自学使用。
目  录
章 闭路监控系统
 1.1 电视监控系统的组成
 1.2 电视监控系统的主要设备原理性能及其主要参数
  1.2.1 图像传感器及主要参数
  1.2.2 摄像机的构成及参数
  1.2.3 电动云台及防护罩
  1.2.4 控制器
  1.2.5 视频信号分配器与视频切换器
  1.2.6 视频信号放大器
  1.2.7 双工多画面处理器
  1.2.8 硬盘录像机
  1.2.9 监视器
 1.3 计算机及多媒体控制系统
  1.3.1 计算机控制系统
商品详情

书名:建筑弱电电工技术

定价:24.00元

作者:张振文 主编

出版社:国防工业出版社

出版日期:2010-09-01

ISBN:9787118059557

字数:302000

页码:204

版次:204

装帧:平装

开本:16开

商品重量:

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

Oops!

Sorry, it looks like some products are not available in selected quantity.

OK