75668577
Mar 26, 1999
Oct 9, 2001
electronic signaling device that utilizes a wireless communication system, comprised of a constellation of radio or telephony links or both controlled by a centralized server or servers, to notify the owner or others or both of a security breach detected by such device or of data or both recorded by such device via a communication network utilizing a telephone, radio, pager, or e-mail address
Electrical and Scientific Apparatus