Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate
2011-08-16
2011-08-16
Liu, Harry (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
Reexamination Certificate
active
07999736
ABSTRACT:
The invention relates to a slot antenna, more particularly to a transmitting antenna for RFID, comprising an antenna contour board having a plurality of antenna slots and at least one control circuit for enabling the antenna contour board to transmit and/or receive electromagnetic radiation. The slot antenna is characterized in that in at least one antenna slot of the antenna contour board there is inserted a circuit board carrying a control circuit. The invention further relates to an RFID method involving the use of the slot antenna of the invention.
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Tanaka et al., “Circularly Polarized Printed Antenna Combining Slots and Patch”, XP-001541881, IEICE Transactions on Communications, vol. E90 -B, No. 3, pp. 621-629, Mar. 2007.
Hoffman Warnick LLC
Liu Harry
Merecki John A.
PEPPERL + FUCHS GmbH
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