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US 7,398,060 B2Granted
Method facilitating inter-mode handoff
AssigneeAvago Technologies Wireless IP Pte Ltd
InventorMichael Louis Frank
Life of this patent
Estimating the term…
Abstract
A cellular handset supports non compressed handover for different frequency ranges, and different wireless standards.
Claims3
A triplexer including:
- a first transmission line;
- a first and a second bandpass filter connecting to the first transmission line, wherein the first bandpass filter passes a first frequency band and the second bandpass filter passes the second frequency band;
- a second transmission line connecting to the first transmission line;
- and
- a third bandpass filter connecting to the second transmission line, for passing the second frequency band;
- wherein the second transmission is chosen to appropriately rotate the reject band impedance of the third bandpass filter into an open circuit at the passband of filters one and two.
3 more elements
A n-plexer including:
- a first and a second transmission line connected at an input, each having an output;
- a first and a second bandpass filter, each connected to the output of the first transmission line, the first bandpass filter passing a first frequency band, the second bandpass filter passing a second frequency band;
- and
- a third bandpass filter, connected to the output of the second transmission line, for passing the second frequency band.
1 more element
Dependencies are inferred from the claim text.