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• TCP/IP
Transmission Control Protocol/ Internet Protocol. The basic communication
protocol (or language) of the Internet that has become the global standard for
network communications since it ensures faithful data transmission. TCP/IP uses
the client-server communication model, in which a computer user (client) makes
requests and is provided services by a network computer (server). TCP/IP is a
two-layered protocol. TCP is the upper transport layer, which ensures delivery of
the entire file/message. TCP manages the assembly of files/messages into “packets”
that are transmitted to and received by another TCP layer. That TCP layer then
reassembles the packets into its original format. IP is the lower network layer, which
routes the data to different destinations (LANs or WANs) based on the network
address. TCP/IP is a routable protocol, which ensures that all messages contain
the address of both the destination computer (station) and destination network.
This makes it possible for messages to be transmitted to multiple networks.
• Trigger
A signal that allows image acquisition to be synchronized to external events. If
supported, a digitizer can operate in one of two modes upon receiving a trigger:
- Asynchronous reset mode. If your digitizer supports and uses this mode, the
camera is reset to begin a new frame when the trigger signal is received by the
digitizer.
- Next valid frame/field mode. If your digitizer supports and uses this mode, the
digitizer will grab the next valid frame or field.
•Vertical sync
The part of a video signal that indicates the end of a frame (or field) and the start
of a new one.
See also horizontal sync.
•Vpp
Voltage peak to peak. The signal amplitude measured between the maximum
positive and negative voltage peak excursions of a signal.
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