User activated authentication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Mar 23, 2006
app pub date -
Sep 20, 2004
filing date -
Sep 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus or method for authenticating a user's access to a device such as, for example, a garage. In one embodiment, the method includes a first device receiving an activation signal directly or indirectly from a user. The first device transmits a first signal to a second device in response to receiving the activation signal. The second device is coupled to a motor that opens or closes a door of the garage. In response to receiving the first signal, the second device transmits a second signal to the first device, wherein the second signal includes a randomly generated number. The first device encrypts the randomly generated number received from the second device to generate a first encrypted number. Thereafter the first device transmits a third signal to the second device, wherein the third signal includes the first encrypted number. In addition to sending the randomly generated number to the first device, the second device encrypts the randomly generated number to generate a second encrypted number. The second device compares the first and second encrypted numbers. If the first and second encrypted numbers compare equally, the second device instructs the garage door motor to open or close the garage door.
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