SID

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SID

SID

(1) (Society for Information Display, Santa Ana, CA, www.sid.org) A membership organization founded in 1962 devoted to the information display industry. With chapters around the world, SID hosts conferences in the U.S. and abroad and publishes a monthly magazine. By 2004, the society was 6000 members strong.

(2) (Security ID) In Windows, a unique name assigned to each user and to each workgroup. See access token.

(3) (System ID) A unique number assigned to a wireless system. See NID.
References in periodicals archive ?
It is important to note that the exposure area of the Rinn[R] universal device complies with the NCRP stipulation that rectangular collimated beams should not exceed the dimension of the image receptor by more than two percent of the source-to-image-receptor distance (SID) and has been measured as one percent of the SID.
A good example of the expanded math coverage can be found in Chapter 18 on source-to-image-receptor distance.
Variable collimators should be used in all interventional systems, as they adapt to changes in the image receptor's field of view, as well as changes in the source-to-image-receptor distance.