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US 6,208,924 B1Granted
Bus system for data transfer
AssigneeRobert Bosch GmbH
InventorJoachim Bauer
Life of this patent
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Abstract
A bus system for the transmission of messages between a device and at least one peripheral unit is proposed, the messages being in each case transmitted via a sequence of high or low bit states. The control device can send high-priority messages and low-priority messages to the peripheral unit. The high-priority messages have a greater amplitude between the high and low bit states than the low-priority messages.
Claims20
A bus system for transmitting messages, comprising:
- at least one peripheral unit;
- and
- a device transmitting high-priority messages and low-priority messages to the at least one peripheral unit,
- wherein the messages are transmitted via a sequence of at least one of high bit states and low bit states,
- wherein the high-priority messages have a first amplitude between first high bit states and first low bit states, and the low-priority messages have a second amplitude between second high bit states and second low bit states, the first amplitude being greater than the second amplitude.
2 more elements
A peripheral unit of a bus system, comprising:
- a first arrangement receiving high-amplitude signals and low-amplitude signals via bus lines of the bus system;
- a signal separator separating the high-amplitude signals and the low-amplitude signals;
- wherein the high-amplitude signals and the low-amplitude signals are transmitted via a sequence of bits each having at least one of high bit states and low bit states, and
- wherein the high-amplitude signals have a first amplitude between a first high bit state and a first low bit state, and the low-amplitude signals have a second amplitude between a second high bit state and a second low bit state, the first amplitude being greater than the second amplitude.
1 more element
A device for transmitting messages to at least one peripheral unit, comprising:
- an arrangement transmitting high-priority messages and low-priority messages,
- wherein the high-priority messages and the low-priority messages are transmitted via a sequence of bits each having at least one of high bit states and low bit states,
- wherein the high priority-messages have a first amplitude between a first high bit state and a first low bit state, and the low-priority messages have a second amplitude between a second high bit state and a second low bit state, the first amplitude being greater than the second amplitude.
Dependencies are inferred from the claim text.