AMR transmitter and method for both narrow band and...

Details AMR transmitter and method for both narrow band and... AMR transmitter and method for both narrow band and...

2006-06-12

2009-12-01

Zimmerman, Brian A (Department: 2612)

Communications: electrical

Continuously variable indicating

With meter reading

C340S870010, C340S870180, C370S310000, C370S338000

Reexamination Certificate

active

07626511

ABSTRACT:
The invention provides a method and circuitry for transmitting signals in both a narrow band, mobile-receiver type of AMR network and also for operation in the frequency-hopping, spread-spectrum, fixed-receiver type of AMR network. Unlike systems provided with multiple transmitters, the invention provides this in a single transmitter operating with common circuitry to transmit in two modes of transmission in a single operational sequence.

REFERENCES:
patent: 4940976 (1990-07-01), Gastouniotis et al.
patent: 5056107 (1991-10-01), Johnson et al.
patent: 5298894 (1994-03-01), Cerny et al.
patent: 6201976 (2001-03-01), Räsänen
patent: 7057525 (2006-06-01), Giles et al.
patent: 2003/0020632 (2003-01-01), Giles et al.
patent: 2005/0068193 (2005-03-01), Osterloh et al.
patent: 2005/0195775 (2005-09-01), Petite et al.
patent: 2005/0237959 (2005-10-01), Osterloh et al.

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