HD
Hazard Distance (HD) is the distance measured from the projection lens at which the intensity or the energy
per surface unit becomes lower than the applicable exposure limit on the cornea or on the skin. The light beam
is considered (to be) unsafe for exposure if the distance from a person to the light source is less than the HD.
HD
Hazard Distance (HD) is the distance measured from the projection lens at which the intensity or the energy
per surface unit becomes lower than the applicable exposure limit on the cornea or on the skin. The light beam
is considered (to be) unsafe for exposure if the distance from a person to the light source is less than the HD.
DMD
A digital micromirror device, or DMD, is an optical semiconductor that is the core of DLP projection technology.
Dew point
The dew point is the saturation temperature for water in air. The dew point is associated with relative humidity.
A high relative humidity implies that the dew point is closer to the current air temperature. Relative humidity of
100% indicates the dew point is equal to the current temperature and that the air is maximally saturated with
water. When the moisture content remains constant and temperature increases, relative humidity decreases.
RS232
An Electronic Industries Association (EIA) serial digital interface standard specifying the characteristics of the
communication path between two devices using either D-SUB 9 pins or D-SUB 25 pins connectors. This
standard is used for relatively short-range communications and does not specify balanced control lines. RS-
232 is a serial control standard with a set number of conductors, data rate, word length and type of connector
to be used. The standard specifies component connection standards with regard to computer interface. It is
also called RS-232-C, which is the third version of the RS-232 standard, and is functionally identical to the
CCITT V.24 standard. Logical '0' is > + 3V, Logical '1' is < - 3V. The range between -3V and +3V is the
transition zone.
USB
Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the cables,
connectors and communications protocols used in a bus for connection, communication, and power supply
between computers and electronic devices. USB 2.0 (also called "Hi-Speed"), adding higher maximum
signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full
Speed" signaling rate of 12 Mbit/s.[16] USB 2.0 connectors are usually colored black. USB 3.0 defines a new
SuperSpeed mode with a signaling speed of 5 Gbit/s and a usable data rate of up to 4 Gbit/s (500 MB/s). A
USB 3.0 port is usually colored blue, and is backwards compatible with USB 2.0.
DisplayPort
Digital display interface developed by the Video Electronics Standards Association (VESA). This royalty-free
interface is primarily used to connect a video source to a display device such as a computer monitor, though it
can also be used to transmit audio, USB, and other forms of data. VESA designed it to replace VGA, DVI, and
R5906788-03 Thor series
173
Glossary
To Next Page
Loading...
Need help?
General
