Antenna system for remote control automotive application
First Claim
1. An antenna system for remote control applications comprising:
- a communications module, an antenna assembly, and a radio frequency cable, having a first connection end and a second connection end, wherein the first connection end is coupled to the communications module and the second connection end is coupled to the antenna assembly, wherein the antenna assembly is located a predetermined distance from the communications module, the predetermined distance substantially reducing null regions in an antenna radiation pattern of the antenna system.
1 Assignment
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Accused Products
Abstract
An antenna system for remote control applications comprises a communications module; an antenna assembly; and a radio frequency cable, having a first connection end and a second connection end, wherein the first connection end is coupled to the communications module and the second connection end is coupled to the antenna assembly. The antenna assembly is located a predetermined distance from the communications module, the predetermined distance substantially eliminating null regions in an antenna radiation pattern of the antenna system. An antenna diversity system for remote control applications comprises an antenna assembly; a communications module; an electronic switch assembly, wherein a first RF cable couples the electronic switch assembly to the antenna assembly and a second RF cable couples the electronic switch assembly to the communications module, wherein the antenna assembly, the first RF cable, the second RF cable, the electronic switch assembly and the communications module form a radio frequency circuit; and a diversity RF cable, coupled to the electronic switch assembly, wherein the electronic switch assembly switches the diversity RF cable into and out of the radio frequency circuit.
49 Citations
20 Claims
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1. An antenna system for remote control applications comprising:
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a communications module, an antenna assembly, and a radio frequency cable, having a first connection end and a second connection end, wherein the first connection end is coupled to the communications module and the second connection end is coupled to the antenna assembly, wherein the antenna assembly is located a predetermined distance from the communications module, the predetermined distance substantially reducing null regions in an antenna radiation pattern of the antenna system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An antenna diversity system for remote control applications comprising:
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an antenna assembly, a communications module, an electronic switch assembly, wherein a first RF cable couples the electronic switch assembly to the antenna assembly and a second RF cable couples the electronic switch assembly to the communications module, wherein the antenna assembly, the first RF cable, the second RF cable, the electronic switch assembly and the communications module form a radio frequency circuit; and
a diversity RF cable, coupled to the electronic switch assembly, wherein the electronic switch assembly switches the diversity RF cable into and out of the radio frequency circuit. - View Dependent Claims (10, 11)
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12. An antenna diversity system for remote control applications comprising:
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an antenna assembly, a communications module, and an electronic switch assembly, attached to a car chassis, wherein a first RF cable couples the electronic switch assembly to the antenna assembly and a second RF cable couples the electronic switch assembly to the communications module, wherein the antenna assembly, the first RF cable, the second RF cable, the electronic switch assembly and the communications module form a radio frequency circuit, and wherein the electronic switch assembly switches the car chassis into and out of the radio frequency circuit. - View Dependent Claims (13, 14)
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15. An antenna diversity system for remote control applications comprising:
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a communications module, can antenna assembly, a first electronic switch assembly, wherein a first RF cable couples the first electronic switch assembly to the communications module, a second electronic switch assembly, coupled to the antenna assembly, and wherein a first diversity RF cable and a second diversity RF cable couple the second electronic switch assembly to the first electronic switch assembly, wherein the first diversity RF cable runs in a substantially linear direction from the first electronic switch assembly to the second RF switch assembly, and the second diversity RF cable is of a length greater than the linear distance from the first electronic switch assembly to the first electronic switch assembly, in order that the second diversity RF cable forms an arc, thereby increasing the radiation efficiency of the second diversity RF cable; and
a synchronization circuit coupled to the first electronic switch assembly and the second electronic switch assembly, wherein the synchronization circuit synchronizes the first and second electronic switch assemblies. - View Dependent Claims (16, 17)
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18. An antenna diversity system for remote control applications comprising:
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a communications module, an electronic switch assembly, wherein a first RF cable couples the first electronic switch assembly to the communications module, a first antenna assembly, wherein a first diversity RF cable couples the first antenna assembly to the electronic switch assembly, and wherein the first diversity RF cable is of a first length, and a second antenna assembly, wherein a second diversity RF cable couples the second antenna assembly to the electronic switch assembly, the second diversity RF cable having a second length which is greater than the first length of the first diversity RF cable, wherein the second diversity RF cable has a different radiation pattern than the first diversity RF cable, and wherein the electronic switch assembly switches between the first antenna assembly and the second antenna assembly. - View Dependent Claims (19)
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20. An antenna diversity system for remote control applications comprising:
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a remote keyless entry (RKE) module, an electronic switch assembly, wherein a first RF cable couples the first electronic switch assembly to the remote keyless entry (RKE) module, and a dual antenna assembly, having a first antenna circuitry and a second antenna circuitry, wherein a first diversity RF cable couples the first antenna circuitry of the dual antenna assembly to the electronic switch assembly, and a second diversity RF cable couples the second antenna circuitry of the dual antenna assembly to the electronic switch assembly, the first diversity RF cable having a first length, and the second diversity RF cable is of a second length which is greater than the first length of the first diversity RF cable, wherein the second diversity RF cable has a different radiation pattern than the first diversity RF cable.
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Specification