Co-located antenna design
View Patent ↗A method and apparatus are provided for transceiving signals. The method includes the steps of providing a secondary reflector within a focal region of a main reflector in a relative spatial relationship where a first radio frequency signal processed by a first radio frequency radiator adjacent the secondary reflector is reflected from both the secondary and main reflectors and providing a second radio frequency radiator in a aperture of the secondary reflector so that a second radio frequency signal processed by the second radio frequency transceiver is reflected from the main antenna along a path that is substantially coaxial with the first radio frequency signal.
1. A method of transceiving signals comprising the steps of:
providing a secondary reflector within a focal region of a main reflector with a reflecting surface of the secondary reflector disposed at an oblique angle with respect to a reflecting surface of the main reflector and in a relative spatial relationship where a first radio frequency signal processed by a first radio frequency radiator adjacent the secondary reflector is reflected from both the secondary and main reflectors; and
providing a second radio frequency radiator in an aperture of the secondary reflector so that a second radio frequency signal processed by the second radio frequency radiator passes through the aperture of the secondary reflector and is reflected from the main antenna along a path that is substantially coaxial with at least a portion of a path of the first radio frequency signal.
2. The method of transceiving signals as in claim 1 wherein the first radio frequency signal processed by the first radio frequency radiator further comprises transmitting the first radio frequency signal to the main and secondary reflectors from the first radio frequency radiator.
3. The method of transceiving signals as in claim 1 wherein the first radio frequency signal processed by the first radio frequency radiator further comprises receiving the first radio frequency signal from the main and secondary reflectors by the first radio frequency radiator.
4. The method of transceiving signals as in claim 1 wherein the second radio frequency signal processed by the second radio frequency radiator further comprises transmitting the second radio frequency signal to the main and secondary reflectors from the second radio frequency radiator.
5. The method of transceiving signals as in claim 1 wherein the second radio frequency signal processed by the second radio frequency radiator further comprises receiving the second radio frequency signal from the main and secondary reflectors by the second radio frequency radiator.
6. The method of transceiving signals as in claim 1 wherein the second radio frequency signal processed by the second radio frequency radiator further comprises transceiving the second radio frequency signal between the main and secondary reflectors and the second radio frequency radiator.
7. The method of transceiving signals as in claim 1 wherein the relative spatial relationship of the main and secondary reflectors and first and second radio frequency radiators further comprise a Cassegrain antenna.
8. The method of transceiving signals as in claim 1 wherein the relative spatial relationship of the main and secondary reflectors and first and second radio frequency radiators further comprise a Gregorian antenna.
9. The method of transceiving signals as in claim 1 wherein the secondary reflector further comprises an ellipsoid reflecting surface.
10. The method of transceiving signals as in claim 1 wherein the secondary reflector further comprises a hyperbolic reflecting surface.
11. The method of transceiving signals as in claim 1 wherein the secondary reflector further comprises a flat reflecting surface.
12. The method of transceiving signals as in claim 1 further comprising adjusting a reflecting surface of the main antenna to complement a reflecting surface of the secondary reflector.
13. An apparatus for transceiving signals comprising:
a main reflector;
a secondary reflector disposed within a focal region of a main reflector with a reflecting surface of the secondary reflector disposed at an oblique angle with respect to a reflecting surface of the main reflector and in a relative spatial relationship where a first radio frequency signal processed by a first radio frequency radiator adjacent the secondary reflector is reflected from both the secondary and main reflectors;
the first radio frequency radiator; and
a second radio frequency radiator in an aperture of the secondary reflector so that a second radio frequency signal processed by the second radio frequency radiator passes through the aperture of the secondary reflector and is reflected from the main antenna along a path that is substantially coaxial with the first radio frequency signal.
14. The apparatus for transceiving signals as in claim 13 wherein the first radio radiator further comprises a radio frequency transmitter.
15. The apparatus for transceiving signals as in claim 13 wherein the first radio radiator further comprises a radio frequency receiver.
16. The apparatus for transceiving signals as in claim 13 wherein the second radio radiator further comprises a radio frequency transmitter.
17. The apparatus for transceiving signals as in claim 13 wherein the second radio radiator further comprises a radio frequency receiver.
18. The apparatus for transceiving signals as in claim 13 wherein the second radio radiator further comprises a radio frequency transceiver.
19. The apparatus for transceiving signals as in claim 13 further comprising a Cassegrain antenna.
20. The apparatus for transceiving signals as in claim 13 further comprising a Gregorian antenna.
21. The apparatus for transceiving signals as in claim 13 wherein the secondary reflector further comprises an ellipsoid reflecting surface.
22. The apparatus for transceiving signals as in claim 13 wherein the secondary reflector further comprises a hyperbolic reflecting surface.
23. The apparatus for transceiving signals as in claim 13 wherein the secondary reflector further comprises a flat reflecting surface.
24. The method of transceiving signals as in claim 13 wherein the main reflector further comprises an adjusted reflecting surface adapted to complement a reflecting surface of the secondary reflector.
25. A method of constructing a multi-band antenna comprising the steps of:
providing a secondary reflector within a focal region of a main reflector in a relative spatial relationship where a first radio frequency signal exchanged with a first radio frequency transceiver adjacent the secondary reflector is reflected from both the secondary and main reflectors; and
providing a second radio frequency transceiver in a aperture within the secondary reflector so that a second radio frequency signal transceived by the second radio frequency transceiver is reflected from the main antenna along a path that is substantially coaxial with the first radio frequency signal.
26. A method of constructing a multi-band antenna comprising the steps of:
providing a main reflector with a focal region located a predetermined distance from the main reflector;
disposing a first radio frequency radiator within the focal region of the main reflector with a predominant axis of radiation directed towards the main reflector;
disposing a secondary reflector within the focal region with the radio frequency radiation of the radio frequency radiator radiating towards the main reflector through an aperture in the secondary reflector;
disposing a second radio frequency radiator adjacent the secondary reflector with a predominant axis of radiation of the second radio frequency radiator directed towards the secondary reflector and wherein said secondary reflector and second radio frequency radiator are oriented so as to transmit radiation reflected from the secondary reflector towards the main reflector along a path that is substantially coaxial with radiation from the first radio frequency radiator.