Patent ID: 11909109
Assignee: TOPCON POSITIONING SYSTEMS, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The combined cellular/GNSS antenna of claim 1, wherein the cellular feeding network comprises:
a first microstrip line, a second microstrip line, a third microstrip line, and a fourth microstrip line, each of a substantially same length; and
a Wilkinson divider,
wherein a first end of the first microstrip line is connected to a first cellular radiator, a first end of the second microstrip line is connected to a second cellular radiator, a first end of the third microstrip line is connected to a third cellular radiator, and a first end of the fourth microstrip line is connected to a fourth cellular radiator,
a second end of the first microstrip line and a second end of the third microstrip line are connected to each other at a first junction point and a second end of the second microstrip line and a second end of the fourth microstrip line are connected to each other at a second junction point,
a first input of the Wilkinson divider is connected to the first junction point and a second input of the Wilkinson divider is connected to the second junction point, and
an output of the Wilkinson divider is an output port of the cellular feeding network.