Receiver particularly for a meter-bus

Details Receiver particularly for a meter-bus Receiver particularly for a meter-bus

2011-07-05

2011-07-05

Cho, James H. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S081000, C330S296000, C330S297000, C330S306000

Reexamination Certificate

active

07973561

ABSTRACT:
A receiver particularly suited for an M-BUS is described. During transmission, the receiver is disabled. After each transmission, nodes and states in the receiver are set to prepare the receiver to receive a signal. Once data is sensed, a feedback loop clips the input signal to the receiver to limit the swing of the input signal. The line of the power supply at the lower potential is modulated, rather than modulating the line at the higher potential, for the transmission of data.

REFERENCES:
patent: 4266177 (1981-05-01), Nola
patent: 4737975 (1988-04-01), Shafer
patent: 4878017 (1989-10-01), Williams
patent: 5431692 (1995-07-01), Hansen et al.
patent: 5815020 (1998-09-01), Allen et al.
patent: 6178514 (2001-01-01), Wood
European Standard, EN 13757-2, Communication systems for and remote reading of meters—Part 2: Physical and link layer; Nov. 2004, European Committee for Standardization.
European Standard, EN 13757-3, Communication systems for and remote reading of meters—Part 3: Dedicated application layer; Nov. 2004, European Committee for Standardization.

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