Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2005-05-03
2005-05-03
Wimer, Michael C. (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S718000, C340S572700
Reexamination Certificate
active
06888502
ABSTRACT:
An identification appliance, such as a wristband, bracelet, patch, headband, necklace, card, sticker, or other wearable appliance, has an improved patch or microstrip antenna. The microstrip antenna comprises a conductive patch layer, a conductive ground layer and a dielectric layer in between the conductive layers. The microstrip antenna is mounted to or disposed in the identification appliance, where preferably the ground layer is closest to the user and the patch layer is furthest from the user. Electronic circuits may be located in the dielectric layer, on a surface of a conductive layer, or on another part of the identification appliance. Connecting holes through the dielectric layer may allow circuits to be connected to a conductive layer or layers. This improved antenna resolves detuning and communication degradation problems.
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Beigel Michael L.
Bell H. Clark
Tuttle John R.
Kelly Bauerfeld Lowry & Kelly, LLP
Precision Dynamics Corporation
Wimer Michael C.
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