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US 2013/0294529 A1Published application
Robust communications in electrically noisy environments
AssigneeTesla Motors, Inc.
InventorsNathaniel Brian Martin, Ian Casimir Dimen
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Abstract
A system and method for low-cost, fault tolerant, EMI robust data communications, particularly for an EV environment.
Claims30
A data communications system in an electrically noisy environment, comprising:
- a plurality of communication devices, said communication devices including a host and a number N of clients, N greater than 1, communicated to said host using a first single data conductor daisy-chain loop wherein said first single data conductor daisy-chain loop originates and terminates at said host and wherein said first single data conductor daisy chain-loop comprises said number N+1 of conductor segments, each particular one conductor segment of said first single data conductor daisy-chain loop communicating an upstream communications device to a downstream communications device.
A data communications system in an electrically noisy environment, comprising:
- a host, and a client communicated to said host using a first single data conductor daisy-chain loop wherein said first single data conductor daisy-chain loop originates at a first location at said host and terminates at a second location at said host and wherein said first single data conductor daisy chain-loop comprises a first conductor segment communicating said first location to said client and a second conductor segment communicating said client to said second location.
A data communications method for a plurality of communication devices including a host and a number N, N>=1, of clients in an electrically noisy environment, comprising:
- a) transmitting a data packet using a first serial data transmission through the electrically noisy environment over a first single data conductor daisy-chain loop referenced to a single conductor first voltage power daisy-chain loop as a first pseudo-differential signal with said loop extending from the host to each client and back to the host;
- b) receiving, at each client, said data packet over said first single data conductor daisy-chain loop;
- and
- c) transmitting, from each client, said data packet over said first single data conductor daisy-chain loop.
1 more element
Dependencies are inferred from the claim text.