Community bulletin board
Encyclopedia
A Community bulletin board (CBB) is a digital signage
system that Public, educational, and government access
cable television
providers use as a Barker channel
to keep communities up to date of events listings, weather and other news that can be delivered by using digital on-screen graphic
s. The electronic bulletin board
concept is a form of Technological convergence
.
Digital signage
Digital signage is a form of electronic display that shows television programming, menus, information, advertising and other messages. Digital signs can be found in public and private environments, such as retail stores, hotels, restaurants and corporate buildings.Digital signage Displays are most...
system that Public, educational, and government access
Public, educational, and government access
Public, educational, and government access television, refers to three different cable television specialty channels...
cable television
Cable television
Cable television is a system of providing television programs to consumers via radio frequency signals transmitted to televisions through coaxial cables or digital light pulses through fixed optical fibers located on the subscriber's property, much like the over-the-air method used in traditional...
providers use as a Barker channel
Barker channel
A barker channel is a form of electronic media known as digital signage. It is a TV channel that is entirely composed of sales promotion and advertising, usually marketing various features of the service carrying the channel...
to keep communities up to date of events listings, weather and other news that can be delivered by using digital on-screen graphic
Digital on-screen graphic
A digital on-screen graphic is a watermark-like station logo that many television broadcasters overlay over a portion of the screen-area of their programs to identify the channel...
s. The electronic bulletin board
Bulletin board
A bulletin board is a surface intended for the posting of public messages, for example, to advertise things to buy or sell, announce events, or provide information...
concept is a form of Technological convergence
Technological convergence
Technological convergence is the tendency for different technological systems to evolve towards performing similar tasks. Convergence can refer to previously separate technologies such as voice , data , and video that now share resources and interact with each other synergistically.The rise of...
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