US Patent No: 7,995,460

Number of patents in Portfolio can not be more than 2000

Control interface protocol for telephone sets for a satellite telephone system

ALSO PUBLISHED AS: 20040196823

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A control interface protocol governs communications in a satellite telephone system. The satellite telephone system comprises a radio antenna unit (RAU) and a plurality of desksets connected to the RAU. An interface bus connects the desksets to the RAU. The RAU and the desksets communicate with each other by packets. Each packet comprises a start of header (SOH) byte, an address number (ADDR) byte, a command (CMD) byte, an argument (ARG) and a block check character (BCC). The ADDR byte comprises a source and a destination address of the packet. All packets, except negative acknowledgment (NAK) packets from the desksets, are acknowledged by the RAU. The packets originating from the desksets are tagged with an address of the desksets. A packet to a specific deskset includes a destination address. A packet originating from the RAU to all desksets includes a first default address. A packet originating from the RAU to a deskset that does not have an address includes a second default address.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
QUALCOMM INCORPORATEDSAN DIEGO, CA12684

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Edgar,, III Clement B - 2 0
Gibson, R Nicholson Boulder, CO 12 37

Cited Art Landscape

Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (3)
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6,266,540 Control interface protocol for telephone sets for a satellite telephone system 4 1998
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JBR ACQUISITION, LLC (1)
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The United States of America as represented by the Secretary of the Navy (1)
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UNISYS CORPORATION (1)
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WILMINGTON TRUST FSB (1)
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XIRCOM, INC. (1)
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Other [Check patent profile for assignment information] (2)
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6,909,717 Real time ethernet protocol 4 1998

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