Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/731,244external-prioritypatent/US5761605A/en
Application filed by Northpoint Technology LtdfiledCriticalNorthpoint Technology Ltd
Publication of NZ506724ApublicationCriticalpatent/NZ506724A/en
A directional terrestrial transmitter transmits signals to a receiver on the same frequency as signals transmitted to the receiver by a satellite. The width of the beam of transmission is of a limited azimuth range and the location of the terrestrial transmitter is such that the route of transmission from the terrestrial transmitter to the receiver is outside the directional reception range of the receiver of the satellite transmissions.
NZ506724A1996-10-111997-10-09Using same frequencies for terrestrial and satellite transmissions, using non-aligned receiving antennas
NZ506724A
(en)
An antenna used for the transmission or the reception of a radio frequency signal, a transmitter and a remote control receiver, and a remote control system
Arrangement for generating and automatic tracking of antenna diagrams in elevation for aircrafts during flight manoeuvres with the purpose of data transmission
Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
Legal Events
Date
Code
Title
Description
PSEA
Patent sealed
S38A
Application for proceedings under section 38 (amendment of specification with leave of commissioner)
Free format text:
THE AMENDMENT IS TO AMEND CLAIM 12 TO EXPLAIN THAT "THE FREQUENCY" IS THE FIRST FREQUENCY AS PREVIOUSLY DEFINED, IN THE CLAIM AND TO CORRECT AN OBVIOUS GRAMMATICAL ERROR"
RENW
Renewal (renewal fees accepted)
S38C
Proceedings under section 38 (amendment of specification with leave of commissioner): specification amended