FAQ

  • What is Digital CCTV?
    Recent advances in technology over the past couple of years have revolutionized the security sector and, in particular, the methods available to monitor movement and access within a specific area. Not only affordable by big businesses, but digital CCTV is also now available to the open market due to significant reductions in price and availability.

    Digital CCTV

    Digital CCTV comprises a PC based, multi-channel video surveillance system that utilizes the most advanced compression technologies to bring you the highest picture quality and video performance. Compared to analog CCTV, a far greater number of CCTV cameras can be connected to your network and viewed, all through a single PC monitor.

    Completely upgradeable, your network can be expanded quickly and easily by simply installing additional cameras. In addition, you are not restricted to the type of camera you wish to install as the CCTV software is able to support all cameras within our product range.

    If you already have an analog CCTV system installed at your site, you may only require a simple upgrade of some of the elements on your network in order to adapt to a digital CCTV system.

    The picture quality of a digital CCTV system is far superior to that of an analog system and has been used successfully in the prosecution of thieves, vandals, and trespassers through the UK's criminal justice system. All digital CCTV systems supplied by CCTV Surveillance Ltd are fully compliant with the UK Police Requirements.

    Digital Video Recorders

    The CCTV footage generated by your camera network is recorded on a dedicated digital video recorder, which can be located either onsite or offsite. Triggered by motion detectors or movement on a CCTV camera, the DVR only records footage of activity so no "dead time" is unnecessarily stored. Sophisticated buffering means that the DVR also records events of up to 5 minutes previous to the trigger.

    A digital video recorder is able to achieve digital storage multiplexing across up to 16 channels in one standalone box so all CCTV footage from your site can be recorded on a single unit.


  • What is Frames Per Second?
    The frames per second (fps) relates to how many pictures the DVR will record in a second. Real-time recording is about 30 fps on each camera. To calculate the fps per camera take the total fps in the system and divide it by the number of video inputs.

    For example, a 60 fps digital video recorder with 4 video inputs would result in about 15 fps per camera. The technology has finally gotten to the point now where real-time recording is affordable. If you are recording cash registers or something similar then you should definitely invest in real time recording.
  • How Does Digital CCTV Work?
    Digital CCTV is a relatively new technology that has proclaimed itself to be the next level in security monitoring systems. Recent advances in technology over the past couple of years has made digital CCTV available and affordable for virtually everyone to implement on their premises.

    Versatile in design, digital CCTV operates across a standard Ethernet, so no extra wiring is required in the majority of situations. Once installed on your premises, your digital CCTV network can be added to quickly and easily simply by installing new CCTV cameras and adding these to your CCTV software package.

    Once your network of CCTV cameras has been installed on your site, you are able to analyze both live and historic event-based video clips through your PC monitor using the CCTV software supplied with your system.

    Digital CCTV is unique in that it will only record images when movement is detected. This ultimately means that you will only have CCTV footage of activity: when something occurs across the camera's field of view.

    The quality of the footage generated by your digital CCTV cameras means that evidence quality images are generated, which can be used in a court of law to prosecute perpetrators. Analog CCTV systems invariably are unable to do this.

    The integration capabilities of digital CCTV mean that in addition to working extremely well as a standalone security system, it can also be connected to other installed security equipment.
  • Why Buy a Wireless Charger?
    Picture this: You just tapped the dismiss icon on your smartphone after it alerted you that the battery was at 10 percent.

    It's late and dark and you can't find your charger. After your search ends, you fumble to plug the adapter into your device. You put the cord in upside down, flip it over and try again. Wait a minute, you were right the first time after all and it wasn't upside down. It's an annoying process that we've all been through.

    Wireless chargers are a solution of easy and affordable to this minor, but we are still incredibly frustrated by such common experience. With a wireless charging pad, you can charge your smartphone conveniently. It is much easier to just plop your phone down on a wireless charger rather than fumbling with cords. Since charging pads are energy efficient, you can keep them plugged in and not have to worry about losing your cord. They come in all sorts of different colors, shapes and sizes allowing you to choose one that matches not only your phone but your personality as well. Wireless chargers save your time and free up some space by eliminating "rat's nests" of cords on or around your desk. They are inconspicuous and powerful (pun unintended) devices. They will certainly make your life much easier if you chose to invest.

  • How does wireless charger work?
    The qi wireless charger can charge for all smart cellphone. It consist of two parts, the receiver and the transmitter.

    How does wireless charger work?

    RECEIVER CIRCUIT

    Current flowing within the receiver coils is converted into direct current (DC) by the receiver circuit, thus charging the battery of the device.


    RECEIVER COIL

    The magnetic field generates cut tent within the receiver coil of the device.


    TRANSMITTER

    Alternating current flowing within the transmitter coil creates a magnetic filed which extends to the receiver coil (when within a specified distance.

    TRANSMITTER CIRCUIT

    Mains voltage is converted into high frequency alternating current (AC).

    TRANSMITTER COIL

    The alternating current is sent to the transmitter coil by the transmitter circuit.
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