American Dynamics ADCA470CAFN Uživatelský manuál stáhnout pdf

March 2007

800 947-1185 • 212 444-6685 247

Security Quick Dial 821

Surveillance Video

Introduction

B&H is continuing to expand its commitment to the growing needs in the Security,

Surveillance, and Monitoring arena and is ready to provide you with a system designed

to ﬁ t your needs and budget. B&H has the expertise and resources to ensure that you get

the right equipment from our portfolio of qualiﬁ ed companies. Applications can run from

observation and monitoring to sophisticated conﬁ gurations designed for highly-sensitive

security applications. In any case, we’ve got you covered! We’ll help you see what you want

to see. With over 30 years of experience in video and photography, you will beneﬁ t from the

expertise of our friendly, trained staff.

Surveillance cameras come in a variety of shapes, forms, sizes, and functionality – from black

and white to color, ﬁ xed or Pan-Tilt-Zoom, covert to overt, nanny cams to dome cameras to

IP network cameras. Regardless of your need, B&H has the product depth and breadth to ﬁ t

any application.

Many factors determine what type of equipment you may need. There are myriad applications

for surveillance cameras. Of course, the primary usage is for security from criminal or

mischievous activity in or around your business or home. However, there are more and more

documented case studies of alternative uses including trafﬁ c control, warehouse management,

remote site viewing, public safety – the uses are as unlimited as the imagination.

Consider what will help determine the right equipment for you. What are you trying to observe?

How far away is it? What type of detail do you require? Some questions to answer include:

What type of lighting will there be? Will you need cameras indoors or outdoors or both? How

wide a viewing angle? Another important factor to consider is to whether or not and to what

degree you need to record the video. How do you intend to back up the video? For how long

do you need to archive this video data?

At B&H, we will guarantee that your expectations are exceeded by providing you with complete

system requisite accessories – including cameras, DVR / NVR, lens, monitors, controllers,

power, wiring, cabling, multiplexers, and much more.

ANALOG SIGNAL

Most CCTV cameras, although working internally with digital components,

produce a standard analog signal where the image is represented by variable

voltage level and frequency timings. In the USA, the standard is called NTSC.

BACK-LIGHT COMPENSATION

This is a feature that allows a camera to automatically adjust to compensate

for bright sunlight or bright lights, to give more detail on the darker areas of

the image.

CCD (CHARGE COUPLED DEVICE)

One of the two main types of image-sensing device used in cameras,

it operates by converting light energy into an electrical charge.

A semiconductor device that converts optical images to electronic signals.

C MOUNT LENS & CS MOUNT LENS

These are the two main types of lenses that mount on Surveillance cameras.

The CS mount lenses are more widely used today on Surveillance cameras.

DIGITAL VIDEO RECORDER (DVR)

Records an analog signal (see deﬁ nition above) onto its Hard Disk Drive digitally.

Most DVR’s can be accessed through the LAN, or over the internet.

LUX

This is a measurement of the “Minimum Illumination” required for a camera to

produce an image in low lighting. The lower the rating, the more sensitive the

camera is in low lighting. The abundance of light delivers a better-quality picture.

In less light, the picture tends to have more video noise, and a grainy picture.

This speciﬁ cation can be deﬁ ned with the f/Stop and gain settings needed to

achieve the lowest lux possible.

MATRIX SWITCHER

A switcher with the capability of switching an array of input sources to an array of

output destinations, connected, glitch-free. Allows any of its camera inputs to be

switched to one or more DVR or monitor outputs.

MULTIPLEXER

Takes inputs from 2 or more video channels and combines them into one signal.

IP/NETWORK CAMERA

Cameras that capture video information and transmit it over an IP network.

The images are encoded via compression techniques (i.e. JPEG or MPEG).

“Network” cameras should not be confused with a “webcam” which needs to be

attached to a computer to operate. Network cameras usually offer some interface

so that the user can operate and view the video remotely over the Internet.

NETWORK VIDEO RECORDER (NVR)

NVRs accept network (IP) camera inputs. Traditional CCTV camera’s signal would

need to be encoded for input into an NVR.

TELEVISION LINES (TVL)

The resolution of a video device is measured in TVL; the higher the number,

the higher the resolution.

PoE (POWER OVER ETHERNET)

Abbreviation refers to power to an IP camera using Cat5 Ethernet cables,

eliminating the need for an additional power source and cabling.

PTZ

Acronym for Pan, Tilt, and Zoom; refers to a camera’s ability to change its area

of view, as needed by the operator or system.

Terms to know…

Plus many more...

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Surveillance Video 1

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March 2007800 947-1185 • 212 444-6685 247Security Quick Dial 821Surveillance VideoIntroductionB&H is continuing to expand its commitment

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Security Quick Dial 821www.bhphotovideo.com256March 2007Surveillance VideoCMOS IP/Network Camera• 1/2” CMOS Image Sensor with1,300k Megapixels• 1000

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March 2007800 947-1185 • 212 444-6685 257Security Quick Dial 821Surveillance Video4 Channels 80GB HDD DVR• Supports 1 Internal, 1 Removable Disk Dr

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Security Quick Dial 821www.bhphotovideo.com260March 2007Surveillance VideoSurveillance & Monitoring Lenses & AccessoriesPower SuppliesCCTV AC

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Security Quick Dial 821www.bhphotovideo.com248March 2007Surveillance VideoSurveillance & Monitoring Packages and Kits L21Q7844 Indoor Color Camera

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March 2007800 947-1185 • 212 444-6685 251Security Quick Dial 821Surveillance VideoIP/Network Camera• 1/4” CMOS Image Sensor with 320k Pixels • Vie

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Security Quick Dial 821www.bhphotovideo.com252March 2007Surveillance VideoSurveillance & Monitoring CamerasIndoor Dome Surveillance Cameras• Built

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March 2007800 947-1185 • 212 444-6685 253Security Quick Dial 821Surveillance VideoIndoor Color Surveillance Camera• 1/3” Color Image Sensor• 0.1 Lu

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Security Quick Dial 821www.bhphotovideo.com254March 2007Surveillance VideoColor/B&W Surveillance Camera• 1/3” CCD w/380k Pixels• Color or B&W

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March 2007800 947-1185 • 212 444-6685 255Security Quick Dial 821Surveillance VideoColor Surveillance Camera• 1/3” Color Image Sensor• 2.8-10mm Vari-

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