Rheem Califone manufactured audiovisual equipment under the Rheem, Califone, and Roberts brands. These were used in schools and institutions, and included public address systems, reel-to-reel audio tape recorders, phonographs, as well as Combo organs. Rheem and Ruud also sold re-branded Briggs & Stratton residential Emergency power systems beginning in 2007. As of March 2, 2013, the companies no longer listed backup generators on their Web sites.
And here a few more numbers: RCFL personnel examined 58,609 pieces of digital media of all kinds. The most popular types included CDs and hard drives (about 17,500 each); floppy disks (10,982); DVDs (4,310); flash media (2,548); and cell phones (2,226). Other items included digital cameras, GPS devices, and video and audio tapes.
The first implementation of Quantum Key Transfer used motors to change the poloriser. Thus as he was adjusting the experiment the audio side channel was telling him exactly what state both polarizers were in.