Device for localizing a transmitter unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2002
Grant Date -
N/A
app pub date -
May 9, 2001
filing date -
Nov 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for localizing a transmitter unit. The device includes a base unit and at least one transmitter. The transmitter unit includes an attachment operable to attach the transmitter unit to an object. A transmitter member is arranged to transmit a signal having a determined frequency content. The base unit is arranged to receive the signal from the transmitter member and includes at least two antennas that are positioned a relatively small distance from each other and are arranged to sense the signal. The base unit includes a processing member that is arranged to calculate at least the direction to the transmitter unit utilizing the signal sensed by the antennas. The transmitter unit includes a receiver member. The base unit includes a transmitter member. The transmitter member of the base unit and the receiver member of the transmitter unit are arranged to communicate with a protocol.
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