Surface-mounting type antenna, antenna device, and communication device including the antenna device
First Claim
Patent Images
1. An antenna device comprising:
- a circuit board on which a circuit-board grounding electrode is disposed;
a surface-mounting type antenna mounted on the circuit board, the surface mounting type antenna comprising a base member made of an insulating material, including a first major surface, a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces;
a grounding electrode covering substantially the entire area of the first major surface of the base member;
a strip-like radiation electrode disposed on the second major surface, the radiation electrode having a first end and a second end, the first end comprising an open-ended terminal;
a connecting terminal connected to the second end of the radiation electrode;
a power-supply electrode disposed in the vicinity of the open-ended terminal of the radiation electrode; and
a power-supply terminal connected to the power-supply electrode, and the connecting terminal of the surface-mounting type antenna being connected to the circuit-board grounding electrode through an inductance circuit provided on the circuit board.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention provides a surface-mounting type antenna comprising: a base member made of an insulating material, including a first major surface, a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces; a grounding electrode covering substantially the entire area of the first major surface of the base member; a strip-like radiation electrode mostly disposed on the second major surface, the radiation electrode having a first end and a second end, the first end being served as an open-ended terminal; a connecting terminal connected to the second end of the radiation electrode; a power-supply electrode disposed in the vicinity of the open-ended terminal of the radiation electrode; and a power-supply terminal connected to the power-supply electrode.
98 Citations
21 Claims
-
1. An antenna device comprising:
-
a circuit board on which a circuit-board grounding electrode is disposed;
a surface-mounting type antenna mounted on the circuit board, the surface mounting type antenna comprising a base member made of an insulating material, including a first major surface, a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces;
a grounding electrode covering substantially the entire area of the first major surface of the base member;
a strip-like radiation electrode disposed on the second major surface, the radiation electrode having a first end and a second end, the first end comprising an open-ended terminal;
a connecting terminal connected to the second end of the radiation electrode;
a power-supply electrode disposed in the vicinity of the open-ended terminal of the radiation electrode; and
a power-supply terminal connected to the power-supply electrode, and the connecting terminal of the surface-mounting type antenna being connected to the circuit-board grounding electrode through an inductance circuit provided on the circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An antenna device comprising:
-
a circuit board on which a circuit-board grounding electrode is disposed;
a surface-mounting type antenna comprising;
a base member made of an insulating material, including a first major surface, a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces;
a strip-like radiation electrode disposed on one of the first and second major surfaces of the base member, the radiation electrode having a first end and a second end, the first end comprising an open-ended terminal;
a connecting terminal connected to the second end of the radiation electrode;
a power-supply electrode disposed on the other of the first and second major surfaces of the base member; and
a power-supply terminal connected to the power-supply electrode;
the surface-mounting type antenna being mounted on the circuit board, the connecting terminal of the surface-mounting type antenna being connected to the circuit-board grounding electrode through an inductance circuit provided on the circuit board. - View Dependent Claims (12, 13, 14, 15)
-
-
16. A communication device comprising an antenna device, comprising a circuit board on which a circuit-board grounding electrode is disposed;
-
a surface-mounting type antenna mounted on the circuit board, the surface mounting type antenna comprising;
a base member made of an insulating material including a first major surface a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces, a grounding electrode covering substantially the entire area of the first major surface of the base member;
a strip-like radiation electrode disposed on the second major surface, the radiation electrode having a first end and a second end, the first end comprising an open-ended terminal;
a connecting terminal connected to the second end of the radiation electrode;
a power-supply electrode disposed in the vicinity of the open-ended terminal of the radiation electrode; and
a power-supply terminal connected to the power-supply electrode, and the connecting terminal of the surface-mounting type antenna being connected to the circuit-board grounding electrode through an inductance circuit provided on the circuit board. - View Dependent Claims (17, 18, 19, 20)
-
-
21. A communication device comprising an antenna device comprising a circuit board on which a circuit-board grounding electrode is disposed;
-
a surface-mounting type antenna comprising;
a base member made of an insulating material, including a first major surface, a second major surface opposite to the first major surface, and a plurality of side surfaces extending between the first and second major surfaces;
a strip-like radiation electrode disposed on one of the first and second major surfaces of the base member, the radiation electrode having a first end and a second end, the first end comprising an open-ended terminal;
a connecting terminal connected to the second end of the radiation electrode;
a power-supply electrode disposed on the other of the first and second major surfaces of the base member; and
a power-supply terminal connected to the power-supply electrode;
the surface-mounting type antenna being mounted on the circuit board, the connecting terminal of the surface-mounting type antenna being connected to the circuit-board grounding electrode through an inductance circuit provided on the circuit board.
-
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeMurata Manufacturing Co Limited
-
Original AssigneeMurata Manufacturing Co Limited
-
InventorsKawahata, Kazunari, Nagumo, Shoji, Yuasa, Atsuyuki, Okada, Ken
-
Primary Examiner(s)LE, HOANGANH T
-
Application NumberUS09/300,678Time in Patent Office637 DaysField of SearchH01/Q.138, H01/Q.124, 343/700.MS, 343/702, 343/846, 343/829, 343/848, 343/873US Class Current343/700.0MSCPC Class CodesH01Q 1/243 with built-in antennasH01Q 1/36 Structural form of radiatin...H01Q 1/38 formed by a conductive laye...
