Communications: electrical – Continuously variable indicating
Reexamination Certificate
2006-10-10
2006-10-10
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Continuously variable indicating
C340S870170, C370S474000, C370S473000, C374S170000, C374S183000, C714S758000
Reexamination Certificate
active
07119712
ABSTRACT:
A telemetry system includes a transmitter unit that measures a first value of a parameter, incorporates the first value in a first data packet and transmits the first data packet, and measures a second value of the parameter, incorporates the second value and the first value in a second data packet and transmits the second data packet. A receiver unit periodically receives a signal and generates a sequence of bits therefrom, determines whether the sequence of bits includes a payload that meets a predetermined standard and, if so, recovers a more recent datum from the payload else enters a data recovery mode. In the data recovery mode, the receiver unit receives a transmission signal and generates a second sequence of bits and determines whether the second sequence of bits contains a payload that meets the predetermined standard and, if so, recovers both a more recent datum and a less recent datum from the payload.
REFERENCES:
patent: 5381136 (1995-01-01), Powers et al.
patent: 6020830 (2000-02-01), Gannon et al.
patent: 6181258 (2001-01-01), Summers et al.
patent: 6300871 (2001-10-01), Irwin et al.
patent: 2005/0010850 (2005-01-01), Driessen et al.
Coldren Richard J.
Haas Michael W.
Hofsass Jeffery
Mini-Mitter Company, Inc.
Nathan Timothy A.
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