# US 2021/0242954 A1 · Robust high speed sensor interface for remote sensors > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242954 A1 - Document ID: US20210242954A1 - Status: Published application - Kind: A1 - Application number: 17/301,903 - Filed: 2021-04-19 - Published: 2021-08-05 - Earliest claimed: 2015-12-04 - Assignees: Infineon Technologies AG - Applicants: Infineon Technologies AG - Inventors: Leo AICHRIEDLER - Web page: https://patentgrep.com/patent/US20210242954A1 ## CPC - H04J 3/0638: {Clock or time synchronisation among nodes; Internode synchronisation (synchronization for ring networks H04L12/422; data switching networks with synchronous transmission H04L12/43)} - H04J 3/0658: {Clock or time synchronisation among packet nodes} - H04L 12/403: with centralised control, e.g. polling - H04Q 9/04: Arrangements for synchronous operation - G01D 21/00: Measuring or testing not otherwise provided for - H04J 3/0652: {Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP] (bus network with centralized control in which slots are of a TDMA packet structure H04L12/4035)} - H04L 7/044: {using a single bit, e.g. start stop bit} - H04L 2012/40273: {the transportation system being a vehicle} - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04Q: SELECTING (switches, relays, selectors H01H; wireless communication networks H04W) - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ## Abstract Systems, methods, and apparatuses are discussed that enable robust, high-speed communication of sensor data. One example system includes a sensor bus, an electronic control unit (ECU), and one or more sensors. The ECU is coupleable to the sensor bus and configured to generate a synchronization signal, and is configured to output the synchronization signal to the sensor bus. The one or more sensors are also coupleable to the sensor bus, and at least one sensor of the one or more sensors is configured to sample sensor data in response to the synchronization signal and to output the sampled sensor data to the sensor bus. ## Claims ### Claim at position 1 1-21. (canceled) ### Claim 22 A system, comprising: a sensor bus; an electronic control unit (ECU) couplable to the sensor bus and configured to generate a synchronization signal, wherein the ECU is configured to output the synchronization signal to the sensor bus; and one or more sensors couplable to the sensor bus, wherein at least one sensor of the one or more sensors is configured to acquire respective sensor data and to output a respective digital representation of the respective sensor data in a respective frame to the sensor bus, wherein the respective sensor data represented by the respective digital representation has a predetermined latency relative to the synchronization signal. ### Claim 23 (depends on 22) The system of claim 22, wherein the one or more sensors are a plurality of sensors, wherein each of the plurality of sensors is configured to acquire respective sensor data and to output a respective digital representation of the respective sensor data in a respective frame to the sensor bus. ### Claim 24 (depends on 23) The system of claim 23, wherein the plurality of sensors are configured to sequentially output the respective digital representations to the sensor bus. ### Claim 25 (depends on 23) The system of claim 23, wherein each of the plurality of sensors are configured to output the respective digital representations in a predetermined order. ### Claim 26 (depends on 23) The system of claim 23, wherein the synchronization signal initiates output of each respective digital representation from the plurality of sensors. ### Claim 27 (depends on 23) The system of claim 23, wherein each respective digital representation has a pre-defined latency relative to the synchronization signal. ### Claim 28 A sensor, comprising: one or more components to: acquire sensor data; receive a synchronization signal; and output a digital representation of the sensor data in a respective frame, wherein the sensor data represented by the digital representation has a predetermined latency relative to the synchronization signal. ### Claim 29 (depends on 28) The sensor of claim 28, wherein the synchronization signal initiates output of the digital representation. ### Claim 30 (depends on 28) The sensor of claim 28, wherein the digital representation is output in sequence with digital representations of sensor data from other sensors. ### Claim 31 An electronic control unit (ECU), comprising: one or more components to: generate a synchronization signal; output the synchronization signal to one or more sensors via a sensor bus; and receive at least one respective digital representation of respective sensor data in a respective frame from the one or more sensors via the sensor bus, wherein the respective sensor data represented by the digital representation has a predetermined latency relative to the synchronization signal. ### Claim 32 (depends on 31) The ECU of claim 31, wherein the one or more sensors are a plurality of sensors, and wherein the one or more components, when receiving the at least one respective digital representation, are to: receive a respective digital representation in a respective frame from each of the plurality of sensors. ### Claim 33 (depends on 32) The ECU of claim 32, wherein the respective digital representations are received sequentially from the plurality of sensors. ### Claim 34 (depends on 32) The ECU of claim 32, wherein the respective digital representations are received in a predetermined order. ### Claim 35 (depends on 32) The ECU of claim 32, wherein the synchronization signal initiates output of each respective digital representation from the plurality of sensors. ### Claim 36 (depends on 32) The ECU of claim 32, wherein each respective digital representation has a pre-defined latency relative to the synchronization signal.