Apparatus for scanning the retina for the security identification of persons; Apparatus for use in security control; Automatic access security apparatus; Automatic security barriers; Closed circuit television security apparatus; Domestic security installations for buildings (electric or electronic); Security alarm systems (other than for vehicles); Security apparatus for processing video and/or audio signals; Security apparatus for receiving audio signals; Security apparatus for receiving video signals; Security apparatus for storing audio signals; Security apparatus for storing video signals; Security apparatus for transmitting audio signals; Security apparatus for transmitting video signals; Security surveillance apparatus; Security systems, other than for vehicles; Video camera security apparatus; Video camera security installations; Video camera security instruments; Video cameras adapted for security purposes