# US 5,706,016 A · Top loaded antenna

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- Number: US 5,706,016 A
- Document ID: US5706016A
- Status: Granted
- Kind: A
- Application number: 08/622,226
- Filed: 1996-03-27
- Granted: 1998-01-06
- Earliest claimed: 1996-03-27
- Inventors: Frank B. Harrison, II
- Web page: https://patentgrep.com/patent/US5706016A

## CPC

- H01Q 9/36: with top loading
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

A monopole antenna (1) is constructed with a ground plane disc (2), a top loaded antenna disc (3), and a length of coaxial cable (4) having an outer conductor (5) connected to the ground plane disc (2), an inner conductor (7) of the cable (4) being connected to the antenna disc (3), and a loading disc (6) between the ground plane disc (2) and the antenna disc (3), the loading disc (6) being connected to an outer conductor (5) of the cable (4).

## Claims

### Claim 1

A monopole antenna comprising: a ground plane disc, a top loaded antenna disc, and a length of coaxial cable having an outer conductor connected to the ground plane disc, an inner conductor of the cable connected to the antenna disc, and a loading disc between the ground plane disc and the antenna disc, the loading disc being connected to the outer conductor of the cable.

### Claim 2 (depends on 1)

A monopole antenna as recited in claim 1 wherein, the outer conductor of the cable extends between the loading disc and the top loaded antenna disc to provide constant impedance in close proximity to the antenna disc disc.

### Claim 3 (depends on 1)

A monopole antenna as recited in claim 1 wherein, the cable passes continuously through an aperture concentric with a center axis of the loading disc, and the loading disc is slidable along the cable to adjust for optimum VSWR.

### Claim 4 (depends on 1)

A monopole antenna as recited in claim 1 wherein, the cable passes continuously through an aperture concentric with a center axis of the loading disc, and the outer conductor of the cable is soldered to the loading disc at the aperture.