Switchable bandwidth lowpass filter

Details Switchable bandwidth lowpass filter Switchable bandwidth lowpass filter

2005-05-17

2005-05-17

Phan, Hanh (Department: 2633)

Optical communications

Receiver

C359S199200, C359S199200, C359S199200, C359S199200, C359S199200, C359S206100, C359S208100, C359S209100, C455S340000, C455S188100, C455S190100, C333S174000, C333S205000, C333S207000, C333S175000, C333S176000, C250S2140LS, C250S214100, C250S2140SW, C250S2140RC

Reexamination Certificate

active

06895190

ABSTRACT:
A novel transceiver is provided which allow for either a transmitter or receiver to be dynamically switched between two different frequency bands by use of a novel switchable lowpass filter.

REFERENCES:
patent: 4453145 (1984-06-01), Schuster
patent: 4499609 (1985-02-01), Muska
patent: 4809286 (1989-02-01), Kollanyi et al.
patent: 4962348 (1990-10-01), Edwards
patent: 5619365 (1997-04-01), Rhoads et al.
patent: 5953690 (1999-09-01), Lenon et al.
patent: 5999042 (1999-12-01), Hemdal et al.

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