18039560. REFLECTOR ANTENNA AND ANTENNA APERTURE EXPANSION METHOD simplified abstract (NIPPON TELEGRAPH AND TELEPHONE CORPORATION)

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REFLECTOR ANTENNA AND ANTENNA APERTURE EXPANSION METHOD

Organization Name

NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor(s)

Koichi Harada of Musashino-shi, Tokyo (JP)

Masaki Shima of Musashino-shi, Tokyo (JP)

Hiroki Shibayama of Musashino-shi, Tokyo (JP)

Fumihiro Yamashita of Musashino-shi, Tokyo (JP)

REFLECTOR ANTENNA AND ANTENNA APERTURE EXPANSION METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18039560 titled 'REFLECTOR ANTENNA AND ANTENNA APERTURE EXPANSION METHOD

Simplified Explanation

The reflector antenna described in the patent application includes a radiator, a main reflector, an expansion panel, and adjustment units for changing the position of the radiator or replacing it with a different one.

  • The radiator radiates a radio wave.
  • The main reflector reflects the radio wave in a communication direction.
  • The expansion panel increases the area of the main reflector.
  • The first adjustment unit changes the position of the radiator.
  • The second adjustment unit replaces the radiator with one having a different radiation angle.

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      1. Potential Applications of this Technology

- Satellite communication - Radar systems - Wireless communication networks

      1. Problems Solved by this Technology

- Limited aperture size in traditional antennas - Difficulty in transporting large antennas - Need for multiple antennas with different apertures

      1. Benefits of this Technology

- Improved transportability - Enhanced operability - Cost-effective solution for large-aperture antennas

      1. Potential Commercial Applications of this Technology
        1. Advantages of Large-Aperture Reflector Antennas in Communication Systems

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      1. Possible Prior Art

There are existing reflector antennas with adjustment mechanisms for changing the radiation angle, but the combination of an expansion panel to increase the reflector area is a novel aspect of this patent application.

      1. Unanswered Questions
        1. How does the expansion panel affect the performance of the reflector antenna?

The expansion panel increases the area of the main reflector, but it is unclear how this impacts the antenna's performance in terms of signal strength and beamwidth.

        1. Are there any limitations to the adjustment units in terms of the range of positions they can achieve?

It is essential to understand the limitations of the adjustment units in terms of the range of positions they can achieve to determine the flexibility and adaptability of the reflector antenna design.


Original Abstract Submitted

A reflector antenna includes: a radiator that radiates a radio wave; a main reflector that reflects the radio wave radiated from the radiator in a communication direction; an expansion panel that is attached to at least a part of the main reflector to increase an area of the main reflector; and a first adjustment unit that changes a position of the radiator, or a second adjustment unit that replaces the radiator with a radiator having a different radiation angle. This configuration makes it possible to implement a large-aperture antenna having excellent transportability and operability without preparing another antenna having a large aperture and replacing a standard antenna.

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