Telecommunications – Transmitter and receiver at separate stations – Near field
Reexamination Certificate
2002-01-09
2008-11-04
Anderson, Matthew (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Near field
C455S041200, C455S041300, C340S905000, C340S928000, C340S907000, C340S908000, C340S933000, C342S042000, C342S044000, C342S051000
Reexamination Certificate
active
07447480
ABSTRACT:
A wireless, in particular mobile, communication device (8) for communicating with communication units (9) in vehicles (5, 6, 7), comprising a transmitter (26) and a receiver (29) for information-containing electromagnetic waves, as well as a control unit (25) for controlling the transmitter (26), a directional characteristic (10, 10′) being provided for the receiver (29) and/or for the transmitter (26), for a selective communication with communication units (9) in vehicles (5, 6, 7) at distances (D) of more than 10 m, preferably in the order of from 20 m to 200 m, e.g. in the order of approximately 100 m, in particular with a receiving angle, or a radiation angle, respectively, of from 0.5° to 4°, preferably 0.8° to 2.5°, and a sighting unit (13) as well as an indication unit (16, 18) being provided, the indication unit being connected with the receiver (29) via a processing unit.
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Pammer Raimund
Rieder Helmut
Anderson Matthew
Collard & Roe P.C.
EFKON AG
Huang Wen W
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