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US 12,627,364 B2Granted
Security communicator dual antenna system
AssigneeNapco Security Technologies, Inc.
InventorsRichard L. Soloway, Michael A. Carrieri, Christopher Summit
Life of this patent
Estimating the term…
Abstract
A fire, burglary or access control security communicator having an antenna switching system and method that is external to the cell module to allow complete switching from a primary to a secondary antenna based on signal strength, error rate or other performance parameters.
Claims18
A communication system comprising:
- a single RF feed input, a sole cellular modem having a simple RF feed Input and a single RF feed output, and switch having a single RF feed input and a plurality of RF feed outputs, each of said plurality of RE feed outputs of said switch connected to a single antenna;
- said sole cellular modem receives said single RF feed input prior to said switch receiving said RF feed input at said single RF feed input of said sole cellular modem;
- said switch located between said sole cellular modem and said plurality of said antennas, said switch directly connected to said plurality of antennas;
- said cellular modem does not directly send said RE feed to any of said plurality of antennas and is not directly connected to said antennas;
- and
- after said switch receives said single RF feed input at said single fed RE input of said switch, said switch adapted to use said single RE feed output of said switch to connect said single RF feed input to one of said plurality of antennas.
3 more elements
Dependencies are inferred from the claim text.