Flexible substrate antenna and antenna device
First Claim
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1. A flexible substrate antenna comprising:
- a flexible substrate;
a first parasitic radiation electrode formed so as to extend from a bottom surface of the flexible substrate to a top surface through a first side surface, anda second parasitic radiation electrode formed so as to extend from the bottom surface of the flexible substrate to the top surface through a second side surface, the second side surface facing the first side surface,a capacitive feed electrode on the bottom surface of the flexible substrate, facing the first parasitic radiation electrode, and configured to capacitively feed power to the first parasitic radiation electrode, andwhereinan open end of the first parasitic radiation electrode and an open end of the second parasitic radiation electrode face each other on the top surface of the flexible substrate through a slit, andthe first parasitic radiation electrode and the second parasitic radiation electrode formed on the bottom surface of the flexible substrate are used as ground terminals, anda capacitance occurs between the first parasitic radiation electrode and the second parasitic radiation electrode.
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Abstract
This disclosure provides a flexible substrate antenna and antenna device including a flexible substrate antenna. The flexible substrate antenna includes a first parasitic radiation electrode and a second parasitic radiation electrode provided on the flexible substrate, where a leading ends (open ends) of the first parasitic radiation electrode and the second parasitic radiation electrode face each other with a slit of a predetermined gap therebetween. Further, a capacitive feed electrode is formed on the flexible substrate at a position facing the first parasitic radiation electrode, and is configured to capacitively feed power to the first parasitic radiation electrode.
20 Citations
7 Claims
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1. A flexible substrate antenna comprising:
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a flexible substrate; a first parasitic radiation electrode formed so as to extend from a bottom surface of the flexible substrate to a top surface through a first side surface, and a second parasitic radiation electrode formed so as to extend from the bottom surface of the flexible substrate to the top surface through a second side surface, the second side surface facing the first side surface, a capacitive feed electrode on the bottom surface of the flexible substrate, facing the first parasitic radiation electrode, and configured to capacitively feed power to the first parasitic radiation electrode, and wherein an open end of the first parasitic radiation electrode and an open end of the second parasitic radiation electrode face each other on the top surface of the flexible substrate through a slit, and the first parasitic radiation electrode and the second parasitic radiation electrode formed on the bottom surface of the flexible substrate are used as ground terminals, and a capacitance occurs between the first parasitic radiation electrode and the second parasitic radiation electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification
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Current AssigneeMurata Manufacturing Co Limited
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Original AssigneeMurata Manufacturing Co Limited
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InventorsTanaka, Hiroya, Kushihi, Yuichi
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Primary Examiner(s)Nguyen, Hoang V
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Assistant Examiner(s)TRAN, HAI V
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Application NumberUS13/402,791Publication NumberTime in Patent Office1,861 DaysField of Search343/700.MS, 343/702US Class Current1/1CPC Class CodesH01Q 1/38 formed by a conductive laye...H01Q 19/005 Patch antenna using one or ...H01Q 9/0421 with a shorting wall or a s...
