Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2006-09-19
2006-09-19
Ho, Tan (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S713000, C343S840000
Reexamination Certificate
active
07109938
ABSTRACT:
In one embodiment, an improved transceiver assembly for a vehicle capable of detecting potentially hazardous objects is disclosed. The transceiver assembly comprises a tapered slot feed antenna for generating a beam and for detecting the beam as reflected from the potential hazards. The antenna is formed in or on a housing which also contains a parabolic dish that oscillates to sweep the beam of radiation towards the potential hazards outside of the vehicle. In a preferred embodiment, approximately 77 GHz radiation is generated from and detected by the antenna. The antenna is preferably formed on a printed circuit board (PCB) (substrate), which can include additional circuitry necessary to operate the antenna, and which is preferably mounted at an acute angle with respect to the housing to direct the beam at the parabolic dish.
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Bosco Bruce A.
Emrick Rudy M.
Franson Steven J.
Holmes John E.
Cunningham Gary J.
Ho Tan
Hughes Terri S.
Miller Thomas V.
Motorola Inc.
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