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The Sony Guide to
CCTV
3
Issue
this is not a rehearsal.

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Summary of Contents for Sony ISSUE 3

  • Page 1 The Sony Guide to CCTV Issue this is not a rehearsal.
  • Page 2: Table Of Contents

    What is Closed Circuit Television? When and Where should it be used? Light Choosing a Camera Selecting the Correct Lens Which Monitor? Transmission of Video Signals Video Switching and Multiplexing CCTV Systems Control Recording Sony CCTV Products Basic CCTV Terminology...
  • Page 3: Introduction

    CCTV. We have also included information about how new technology is offering higher levels of performance in video surveillance than ever before. Brian Kelly, Marketing Manager, CCTV & Components Sony Broadcast & Professional UK Introduction...
  • Page 4 £2 million in the last four years. “We already had 54 Sony SSM-20 and eight SSM-14 monitors in the system, some of which were installed when the control room was first set up five years ago.
  • Page 5 At Vauxhall and Pimlico, individual control rooms are also equipped with two Sony recorders set in real-time mode, which receive pictures from their own station cameras. The SSC-DC50P CCD colour cameras are line-fed, simplifying installation by using a single coaxial cable to send both video and sync signals.
  • Page 6 Sony PMS In the face of rising manned guarding costs, Daewoo Cars has installed a new remote surveillance alternative – a monitoring codec from Sony. Daewoo was spending over £1 million a year on manned guarding services for its...
  • Page 7 DV tape. Paul Bromley, Farsight IT Manager, says the HSR can be linked with Sony’s PMS video transmission system, allowing both units to be controlled from one software platform giving a totally integrated solution.
  • Page 8 Monitoring of hostile environments that are not accessible to man, i.e. nuclear reactors, furnaces, etc. Closed Circuit Video Out (Coaxial cable) DC12 V AC outlet The Sony Guide to CCTV . Issue 3 Colour Video Monitor...
  • Page 9: When And Where Should It Be Used

    Faster response to problems Increased peace of mind Simplicity and reliability Improved quality of environment for owners, operators and the public Easier identification of suspects Increased management control For more information contact the Sony Business Information Centre: 01932 816340 it be used?
  • Page 10: Light

    It can easily be seen that today’s CCTV technology will give good results under very low light levels. Sony ‘Exwave’ cameras can operate in colour as low as 0.8Lux (F1.2) without switching to monochrome or reducing frame rate.
  • Page 11 LUX* 50,000 5,000 0.001 0.0001 *Metric unit of measurement of light. For more information contact the Sony Business Information Centre: 01932 816340 DESCRIPTION British summer sunshine Overcast sky Well lit office Minimum for easy reading Passageway/outside working area Good main road lighting...
  • Page 12 This can be operated automatically by Smart Control within the camera or, where the position of the subject is pre-determined, can be pre-selected. It is helpful to be able to see how effective the backlight compensation is before making final camera selection. The Sony Guide to CCTV . Issue 3...
  • Page 13: Choosing A Camera

    Pixels (Picture Elements) Total Pixels Active Pixels For more information contact the Sony Business Information Centre: 01932 816340 High performance for high sensitivity and low noise Most popular and ideal for a wide range of applications A more recent development...
  • Page 14 This will also have severe limitations on the evidential value of such an image. Cameras offering better colour rendition will have both auto and selectable white balance to handle varying lighting conditions. The Sony Guide to CCTV . Issue 3...
  • Page 15 The principal limiting factor against the use of colour cameras has been the ability of colour cameras to operate effectively in poorly lit areas. To meet this demand for colour images in low light, manufacturers have For more information contact the Sony Business Information Centre: 01932 816340 TURNER TO INSERT IMAGE (GLASS YOU SCANNED!).
  • Page 16 As a result, smear is reduced to a minimal level of -120dB – comparable to the frame interline transfer CCDs commonly used in broadcast cameras. Sony now produces both colour and monochrome cameras which benefit from the advanced technology of ExwaveHAD technology.
  • Page 17: Selecting The Correct Lens

    Basic Lens = Focal Length = Lens Diameter or Aperture = Lens Stop Expressed as a ratio of Focal Length to Aperture For more information contact the Sony Business Information Centre: 01932 816340...
  • Page 18 Focus set to 20m. Lens f = 1.4 Depth of Field Lens f = 5.6 Depth of Field The Sony Guide to CCTV . Issue 3 Depth of Field...
  • Page 19 Cameras with Built-in Lens Some cameras are now available with a built-in lens. Sony manufactures a 1/3 inch colour camera with an integral 5.4mm - 64.8mm zoom lens (SSC-CX34P) which can be used in place of the conventional camera and motorised lens set-up. This saves installation time and the resultant set-up is lighter, allowing the use of more compact camera housing and pan and tilt head.
  • Page 20: Which Monitor

    9-inch diagonal picture tube. Sizes typically used in CCTV include 9, 12, 14, 17, 21 and 27 inches with different manufacturers offering different variants. The choice of size depends in part on the distance between the viewer and monitor. The Sony Guide to CCTV . Issue 3...
  • Page 21 Trinitron images consist of continuous stripes resulting in a cleaner and more stable image. For more information contact the Sony Business Information Centre: 01932 816340 10´ 15´ Which Monitor? CCTV monitors may be...
  • Page 22: Transmission Of Video Signals

    With this system, the video signal from the camera, the sync signal and the DC power are all supplied via a single coaxial cable. The Sony system also allows for cable lengths of more than 600 metres without any loss of image quality. Polythene Insulation ‘Inner’...
  • Page 23 These systems do not provide live video images because of bandwidth constraints but some systems, like the Sony PMS-500 Codec, can transmit up to 15 frames per second. The PMS-500 can also transmit and receive full duplex audio, together with data signals for control of telemetry and other remote devices via the RS232 and RS485 communication ports.
  • Page 24 Transmission of Video Signals Personal Computer Local Remote RS232C ISDN PMS-400P/500P PMS-400P/500P These devices facilitate a flexible range of applications and are increasingly being manufactured to international standards H.320 & H.261 (ITU-T recommendation). The Sony Guide to CCTV . Issue 3...
  • Page 25 Automatic switchers also normally have an alarm programming option which can override any manual settings. For more information contact the Sony Business Information Centre: 01932 816340 Multiplexing Video INPUT...
  • Page 26: Video Switching And Multiplexing

    So, for example, if four cameras were connected to the multiplexer, on playback, the particular camera to be reviewed would be selected and an updated image produced every 0.87 seconds (Sony YS-DX316P and SVT-5050P). The more cameras that are recorded onto one tape, the fewer images per camera are captured –...
  • Page 27: Cctv Systems Control

    Conventional housings score over domes in terms of robustness and there is less chance of the optical distortion created by the spherical dome cover. For more information contact the Sony Business Information Centre: 01932 816340...
  • Page 28: Recording

    Greatly increased storage capacity also allows higher picture refresh rates and selectable resolution modes. Camera inputs are multiplexed, stored on a hard disk and, periodically The Sony Guide to CCTV . Issue 3...
  • Page 29 Video Printers A useful part of larger systems – a printer can produce hard copy images either from live or recorded cameras. For more information contact the Sony Business Information Centre: 01932 816340...
  • Page 30 Third-inch, 470 TVL, 1.7Lux Third-inch, 330 TVL, 1.2Lux Third-inch, 470 TVL, c/w 12x motorised zoom lens Half-inch, 570 TVL, 0.3Lux Third inch, 570 TVL, 0.25Lux ExwaveHAD, third-inch, 570 TVL Third-inch, 380 TVL, 0.1Lux The Sony Guide to CCTV . Issue 3...
  • Page 31: Sony Cctv Products

    Monochrome Video Monitors SSM-930CE SSM-125CE SSM-175CE SSM-Q177CE For more information contact the Sony Business Information Centre: 01932 816340 Sony CCTV Products Trinitron,14-inch, 600 TVL, Y/C and audio Trinitron, 20-inch, 600 TVL, Y/C and audio Trinitron, 9-inch, 250 TVL 9-inch, 750 TVL, DC clamp...
  • Page 32 72-hour VHS, RS-232C option 72/96 hour VHS, ‘RealAction’, RS232C option 960-hour VHS, RS232C option 168-hour Super-VHS, RS-232C option RS-232C Interface Board Wired Remote Control 10,000 hour service kits for all VCRs Transmitter/receiver codec Transmitter codec The Sony Guide to CCTV . Issue 3...
  • Page 33 YS-SX210CE YS-SX310P YS-DX216CE YS-DX316P Quad YS-Q440P For more information contact the Sony Business Information Centre: 01932 816340 Sony CCTV Products DV-based, up to 6,480,000 image storage capacity, built-in 16 channel multiplexer Mono, simplex, 10 channel Colour, simplex, 10 channel Mono, duplex, 16 channel...
  • Page 34: Basic Cctv Terminology

    Decibel, a ration of input power. It is also a measurement of sound levels. DARK CURRENT Leakage signal from a CCD sensor in the absence of incident light. DARK NOISE Noise caused by the random nature of the dark current. The Sony Guide to CCTV . Issue 3...
  • Page 35: Basic Cctv Terminology

    A condition that occurs when two or more grounded points in an electrical system develop a conductive loop between them. For more information contact the Sony Business Information Centre: 01932 816340 Basic CCTV Terminology HAD SENSOR An improved type of semi-conductor sensor which gives cameras a better smear and noise performance.
  • Page 36 Usually employed between multiplexer/recorder/monitor. ZOOM RATIO Term where the lens has moveable elements. For example it is generally defined as 6:1 or 10:1 (i.e. 12.5 – 75mm or 10 – 100mm) The Sony Guide to CCTV . Issue 3...
  • Page 37 If you would like to receive information about Sony CCTV equipment or any other product from the Sony range of broadcast & professional products, please complete your details on pre-paid reply card below. The Sony Guide to CCTV I am interested in the Sony range of CCTV equipment.
  • Page 39 The Sony Guide to CCTV Issue 3 Written by: Brian Kelly Edited by: Carey Green Designed by: Peter Courtley Sony Publications Manager: Jackie Cook...
  • Page 40 Sony Broadcast & Professional UK A Division of Sony United Kingdom Limited The Heights Brooklands Weybridge Surrey KT13 0XW Sony, Trinitron, Mavica, HyperHAD, Smart Control, ExwaveHAD and Triple Multiplex are registered trademarks of the Sony Corporation, Japan. © August, 1999...

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