Logarithmic antenna device

TWM686996UActive Publication Date: 2026-09-01SMARTANT TELECOMM
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
TW115203254
Authority / Receiving Office
TW · TW
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2026-04-15
Publication Date
2026-09-01
Estimated Expiration
2036-04-14

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

A logarithmic antenna device includes a radome, a reflector, and a logarithmic antenna. The radome has an accommodating space. The reflector is disposed within the accommodating space. The logarithmic antenna is disposed within the accommodating space. The logarithmic antenna device has a maximum voltage standing wave ratio (VSWR) of 3.0:1 at frequencies between 400MHz and 6000MHz.
Need to check novelty before this filing date? Find Prior Art

Claims

1. A logarithmic antenna device, comprising: an antenna radome having a receiving space; a reflector disposed in the receiving space; and a logarithmic antenna disposed in the receiving space; wherein, The logarithmic antenna device has a maximum voltage standing wave ratio of 3.0:1 in the frequency range of 400 MHz to 6000 MHz.

2. The logarithmic antenna device as claimed in claim 1 further includes an N-type connector, wherein the N-type connector is disposed on the reflector and electrically connected to the logarithmic antenna.

3. The logarithmic antenna device as claimed in claim 1, wherein the length of the radome is between 460 mm and 500 mm, and the width of the radome is between 367 mm and 427 mm.

4. The logarithmic antenna device as claimed in claim 1, wherein the height of the radome is between 53 mm and 77 mm.

5. The logarithmic antenna device as claimed in claim 1, wherein the total weight of the logarithmic antenna device is between 1.55 kg and 1.61 kg.

6. The logarithmic antenna device as claimed in claim 1, wherein the horizontal beamwidth of the logarithmic antenna device is between 45 degrees and 130 degrees when the energy drops to 3 dB.

7. The logarithmic antenna device as claimed in claim 1, wherein the vertical beamwidth of the logarithmic antenna device is between 40 degrees and 85 degrees when the energy drops to 3 dB.

8. The logarithmic antenna device as claimed in claim 1, wherein the gain of the logarithmic antenna device is greater than or equal to 6 dB.

9. The logarithmic antenna device as described in claim 1, wherein the logarithmic antenna is made of metal.

10. The logarithmic antenna device as claimed in claim 1, wherein the radome is made of polycarbonate.