Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-10-31
2006-10-31
Wu, Daniel (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S435000, C340S436000, C340S933000, C342S169000, C342S170000, C342S171000, C342S172000, C342S357490, C342S461000, C343S703000, C343S745000, C343S746000, C343S767000, C343S770000
Reexamination Certificate
active
07129839
ABSTRACT:
The present invention relates to a monitoring device (1) with a transmitter unit (2) and a receiver unit (3) for monitoring an area. Slotted cables serve as antennas. According to the invention, a first slotted cable is arranged as a transmitting an antenna (4) for transmitting a pulsed high-frequency signal and a second slotted cable is arranged as a receiving antenna (9) for receiving the reflected signal. The slotted cables are arranged in association with each other and essentially parallel to each other, and the transmitter unit (2) is connected to the first slotted cable at one end of the antenna arrangement and the receiver unit (3) is connected to the second slotted cable at the other end of the antenna arrangement.
REFERENCES:
patent: 3947834 (1976-03-01), Gershberg et al.
patent: 4006478 (1977-02-01), Lewis et al.
patent: 4074266 (1978-02-01), Yokoi et al.
patent: 4328487 (1982-05-01), Cheal
patent: 4612536 (1986-09-01), Harman
patent: 6246359 (2001-06-01), Asano et al.
patent: 2328083 (1999-02-01), None
patent: 07-325149 (1995-12-01), None
patent: 09-133765 (1997-05-01), None
Andersson Roine
Eriksson Olof
Connolly Bove & Lodge & Hutz LLP
Pham Lam
SAAB AB
Wu Daniel
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