Quantcast Figure 8-3.--Simplified block diagram of a commercial television.
 

Click here to make tpub.com your Home Page

Page Title: Figure 8-3.--Simplified block diagram of a commercial television.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Pickup Unit
A block diagram of a standard home television
system is shown in figure 8-3. There are three main
A pickup unit, generally referred to as the camera,
divisions in the diagram. The top division represents
starts the sequence of events that occurs in the CCTV
the video or picture section of the transmitter. The
system. A lens in the camera focuses an image on a
central division represents the audio or sound section
photosensitive (light-sensitive) tube. The type of lens
of the transmitter. The lower division represents the
is determined by the size of the scene to be televised.
television receiver.
It maybe a normal, wide-angle, or telephoto lens. The
size of the camera unit varies from small palm size
mobile units to large units mounted on special
SYSTEM COMPONENTS
platforms. One or more cameras may be connected
into the system to receive the desired picture (video)
A CCTV system consists of three basic units.
and route it as an electronic signal to a control unit
These basic units are the camera(s), or pickup unit(s),
the control unit, and the monitor(s) (fig. 8-4).
Figure 8-3.--Simplified block diagram of a commercial television.
8-6

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.