IP Library › Granted Patent US 9,673,529
Granted Patent B2
US 9,673,529 · App. 14/417,922 · Granted Jun 6, 2017

ISM band antenna structure for security system

Inventors: Dongmei Han (Shoreview, MN); Rene Christian (Brookfield, WI)
Assignee: UTC FIRE & SECURITY AMERICAS CORPORATION, INC
H01Q9/045H01Q1/007H01Q1/12H01Q1/1221H01Q1/2291H01Q1/48H01Q9/0421Y10T29/49016
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Quick Facts
Patent No.
US 9,673,529
App. No.
14/417,922
Granted
Jun 6, 2017
Kind
B2
Abstract

An antenna ( 10 ) is provided including a generally rectangular ground element ( 20 ) having a first end and a second end. The ground element ( 20 ) includes at least one hole ( 30, 30 ′) for mounting the antenna to a support structure. A generally rectangular radiating element ( 12 ) having a third end and a fourth end if parallel to the ground element ( 20 ) and separated from the ground element ( 20 ) by a space. A bend connects the first end of the ground element ( 20 ) to the third end of the radiating element ( 12 ). A coaxial cable includes a center conductor coupled to the radiating element ( 12 ) at a feed point and an outer conductor coupled to the ground element ( 20 ). The coaxial cable acts as a feed line that couples the antenna ( 10 ) to an external transmitter or receiver.

Claims (29)

1. An antenna comprising:

a generally rectangular ground element having a first end and a second end, the ground element including at least one hole for mounting the antenna to a support structure;

a generally rectangular radiating element having a third end and a fourth end, the radiating element being generally parallel to the ground element and separated from the ground element by a space;

a bend connecting the first end of the ground element to the third end of the radiating element;

a sponge positioned between the radiating element and the ground element near the fourth end of the radiating element; and

a coaxial cable having a center conductor coupled to the radiating element at a feed point and an outer conductor coupled to the ground element such that the coaxial cable acts as a feed line that couples the antenna to an external transmitter or receiver.

2. The antenna according to claim 1 , wherein the radiating element, the bend, and the ground element are formed integrally.

3. The antenna according to claim 1 , wherein the ground element includes a first hole adjacent the first end and a second hole adjacent the second end.

4. The antenna according to claim 1 , wherein the ground element is configured to directly contact a support structure.

5. The antenna according to claim 1 , wherein the antenna is configured for use with any single band architecture.

6. An interactive services module, comprising:

a network device;

a support structure surrounding a portion of the network device, wherein the support structure includes a mounting surface having at least one tab extending generally perpendicularly therefrom; and

a ground element of an antenna is in direct contact with the mounting surface, the ground element including at least one hole such that the at least one tab extends through the at least one hole and is bent to restrict movement of the antenna relative to the mounting surface.

7. The interactive services module according to claim 6 , wherein the mounting surface is made from a metallic material.

8. The interactive services module according to claim 6 , wherein the support structure includes a plurality of walls arranged generally perpendicularly to one another to define an interior portion.

9. The interactive services module according to claim 8 , wherein the network device is positioned within the interior portion.

10. The interactive services module according to claim 8 , wherein the mounting surface is disposed on an exterior of one of the plurality of walls.

11. The interactive services module according to claim 6 , wherein the mounting surface includes a first tab and a second tab and the antenna includes a first hole and a second hole.

12. The interactive services module according to claim 11 , wherein a distance between the first tab and the second tab is generally equal to a distance between the first hole and the second hole.

13. The interactive services module according to claim 6 , wherein the network device a Z-wave network.

14. A method for mounting an antenna having a ground element with at least one hole to a mounting surface of a support structure, the mounting surface having at least one tab extending generally perpendicularly therefrom, comprising:

aligning the at least one hole with the at least one tab;

inserting the at least one tab into the at least one hole;

moving the antenna relative to the at least one tab such that the ground element is in direct contact with the mounting surface; and

bending the at least one tab to restrict movement of the antenna relative to the mounting surface.

15. The method according to claim 14 , wherein the at least one tab is bent manually.

16. The method according to claim 14 , wherein the at least one tab is bent automatically by a machine.

17. The method according to claim 14 , wherein the antenna and the mounting surface have an equivalent number of holes and tabs.

Continuity (2)
Provisional Application 61677268 · Jul 30, 2012
Related Publication 20150214623A1 · Jul 30, 2015