Xem 1-20 trên 47 kết quả Alarm systems
  • System Operation: When initially activated, the system is in ‘Disarmed’ state. In Disarmed state, the sensors are ignored. The alarm does not sound. The system remains in this state until the user enters a valid password via the keypad (in our demonstration system, the password is “1234”). When a valid password is entered, the systems enters ‘Arming’ state. In Arming state, the system waits for 60 seconds, to allow the user to leave the area before the monitoring process begins. ...

    pdf22p vanlektmt 27-01-2011 66 5   Download

  • Home Security Store caters to the do-it-yourself home or business owner who knows true safety: understanding and installing your own alarm system. If there’s one household appliance that you should know how to operate, it’s your alarm system. That’s why we stock the best and most user-friendly brands in the industry. From Honeywell to DSC, we have the tools to help you build the peace of mind you and your family deserve.

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  • Overview of this seminar This introductory seminar will: • Provide an overview of this course • Introduce the 8051 microcontroller • Present the “Super Loop” software architecture • Describe how to use port pins • Consider how you can generate delays (and why you might need to).Overview of this course This course is concerned with the implementation of software (and a small amount of hardware) for embedded systems constructed using a single microcontroller.

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  • This course is primarily concerned with the implementation of software (and a small amount of hardware) for embedded systems constructed using more than one microcontroller. The processors examined in detail will be from the 8051 family. All programming will be in the ‘C’ language (using the Keil C51 compiler)

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  • The chapters in this introductory section are intended to answer the following questions:  What is an embedded system?  What is a time-triggered system and what are the alternatives?  Why are time-triggered systems generally considered to be more reliable than systems based on different architectures?  What is a software pattern?  How can patterns assist in the creation of reliable embedded applications

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  • This text is aimed at technicians, hobbyists, and students and provides complete circuit diagrams and building instructions for a wide range of creative sleuthing applications. The designs are fully tested and proven effective in real-world alarm, sensor, and security equipment. Among the circuits highlighted are a multi-purpose high-gain amplifier, temperature and pressure sensors, vibration and pyroelectric sensors, smoke and toxic gas detectors, tachometer/speed gauges, a remote video and control system, door and window alarms, motion and impact detectors and tone signalling sensors.

    pdf296p ndkhuong177 20-06-2012 150 59   Download

  • This report describes work that I did on embedded control data communication using the domestic powerline circuitry as channel medium. A home automation system was implemented. In the modern home filled with electronic apparatus and appliances, it is useful for the owner to exercise some form of centralised control over the functions in the house. Currently, when the owner needs to turn on the driveway and living room lights before arming the alarm and going to bed, he has to walk to the garage, then to the front door, then to the alarm box, then to bed....

    pdf55p hoang1 31-10-2009 138 27   Download

  • The Soneplex DS3 Remote Control System provides for centralized manage- ment of up to seven remotely located Soneplex Broadband Systems. By using an existing overhead channel in DS3 links, provisioning, monitoring, and alarm information can be easily attained without the need for a secondary communications network. This channel is used to transport TL1, TBOS, or menu messages from each remote Soneplex Broadband System to a network Operating System or a craft terminal.

    pdf6p minhthanh 10-08-2009 112 13   Download

  • Electrical Design manual for hospitals includes general requirement; raceways, wiring and equipment; receptacle and power requirements; essential and standby electrical power systems; electrical power distribution; lighting; telecommunications systems; information technology rooms requirements; specal medical and alarm systems.

     

     

    pdf126p ducxt1995 15-05-2015 17 6   Download

  • * 2 segment 20 seconds (total 40 seconds)recordable emergency voice message, message1 for zone1~ zone8 or panic trigger, message2 for 24 hour zone trigger (Optional for T058VS) * Built-in flash memory to protect system data for failure * Lighted keypad * Battery low indication * Home mode function * Built-in 105dB alarm(with programmable alarm on/off) * Send wireless signal control outdoor siren or AC socket or lamp holder function * Tamper switch detect function * Cut telephone line detect function...

    pdf54p tailieu0978951821 13-12-2012 25 5   Download

  • This manual is divided into two parts: the operator’s manual and the technical reference. The operator’s manual describes how to operate the Puritan Bennett 840 Ventilator System. It also provides product specifications and accessory order numbers.

    pdf452p minhhoan2006 16-06-2014 57 3   Download

  • This chapter describes the functions and operations of intrusion detection systems (IDS) and intrusion prevention systems (IPS). It explains the underlying IDS and IPS technology embedded in the Cisco IOS IPS solutions. It describe the use of signatures, the need for IPS alarm monitoring, and the design considerations in deploying IPS.

    ppt66p kiepnaybinhyen_02 28-12-2015 9 1   Download

  • Hệ thống báo cháy tự động – Yêu cầu kỹ thuật Automatic fire alarm system – Technical requirements 1. PHẠM VI ÁP DỤNG Tiêu chuẩn nàp áp dụng cho các hệ thống báo cháy tự động được trang bị tại các nhà máy, xí nghiệp, kho tàng, trụ sở làm việc, bệnh viện, trường học, rạp hát, khách sạn, chợ, trung tâm thương mại, doanh trại lực lượng vũ trang và các công trình khác có nguy hiểm về cháy, nổ v.v...

    pdf8p luongquang83 26-03-2013 224 76   Download

  • There is often felt to be something odd about negative components, such as negative resistance or inductance, an arcane aura setting them apart from the real world of practical circuit design.This text is aimed at technicians, hobbyists, and students and provides complete circuit diagrams and building instructions for a wide range of creative sleuthing applications. The designs are fully tested and proven effective in real-world alarm,...

    pdf352p haidang1 17-12-2009 153 71   Download

  • Hệ thống báo cháy Yêu cầu kỹ thuật Fire detection and alarm system - Technical requirements Tiêu chuẩn này áp dụng cho các hệ thống báo cháy được trang bị tại các nhà máy, xí nghiệp, cơ sở sản xuất, cơ quan, công trình công cộng v.v... Tiêu chuẩn này không áp dụng đối với các công trình được thiết kế theo yêu cầu đặc biệt. 1. Quy định chung 1.1.

    pdf6p caott1 16-05-2011 158 67   Download

  • Bill Phillips is president of the International Association of Home Safety and Security Professionals. He has worked throughout the United States as an alarm systems installer, safe technician, and locksmith. He is a graduate of the National School of Locksmithing and Alarms (New York City branch), and he currently works as a security consultant and freelance writer whose articles have appeared in Consumers Digest, Crime Beat, Home Mechanix, Keynotes, The Los Angeles Times, and many other periodicals.

    pdf363p conrepcon 13-04-2012 27 13   Download

  • Most instrumentation system rely on a from of the basic bridge ciruit ti monitor all type of physical phenmena

    pdf10p thachsaudoi 22-12-2009 67 12   Download

  • Hệ thống phát hiện cháy và báo động cháy Quy định chung Fire detection and alarm system – General 1. Phạm vi áp dụng Tiêu chuẩn này quy định các bộ phận của hệ thống phát hiện cháy và báo động cháy, các yêu cầu để nối, lắp đặt, các đặc trưng kĩ thuật, cách thử nghiệm và vận hành từng bộ phận hoặc toàn bộ hệ thống. Tiêu chuẩn này được áp dụng và cung cấp các định nghĩa thường dùng trong hệ thống phát hiện cháy và báo động cháy đối với nhà.

    pdf7p caott1 16-05-2011 68 12   Download

  • 2 (Ee Project) Alarms - Electronic Security System

    pdf2p hoang1 31-10-2009 47 3   Download

  • This application note provides detailed alternatives for transporting the Soneplex Broadband and Soneplex Loop Extender alarm and performance information from a remote location back to the central/hubbing location. The Soneplex Broadband System is used as an intelligent network hub for DS1 hicap distribution in the local loop. The network interface is one standard electrical DS3 signal. This DS3 signal is demultiplexed into twenty-eight DS1 circuits, which can then be delivered to up to twenty-eight remote locations utilizing either fiber or copper facilities....

    pdf12p thuyvan 13-08-2009 30 2   Download

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