System for data transfer, for example for cycles such as competition bicycles
First Claim
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1. An on board vehicle data transmission system comprising:
- a set of peripheral modules operatively associated with respective sensors for generating respective sensing signals, in a transmission time slot determined by a synchronization signal, when said sensors detect a predetermined condition; and
a main unit that outputs the synchronization signal, receives said sensing signals from said set of peripheral modules in the respective transmission time slots and is capable of entering into a state of reduced power absorption in the absence of useful transmissions from said peripheral modules.
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Abstract
A system for data transmission on board a vehicle, such as a cycle, includes a set of peripheral modules which can be associated to respective sensors for generating respective sensing signals, and a main unit designed to receive the sensing signals coming from the set of peripheral modules. The peripheral modules are configured to transmit the sensing signals in a selective way and in the framework of respective transmission time slots determined by the main unit according to a general criterion of measurement of transmission times and power consumption.
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Citations
38 Claims
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1. An on board vehicle data transmission system comprising:
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a set of peripheral modules operatively associated with respective sensors for generating respective sensing signals, in a transmission time slot determined by a synchronization signal, when said sensors detect a predetermined condition; and
a main unit that outputs the synchronization signal, receives said sensing signals from said set of peripheral modules in the respective transmission time slots and is capable of entering into a state of reduced power absorption in the absence of useful transmissions from said peripheral modules. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A system for data transmission on board a vehicle comprising:
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a set of peripheral modules associated with respective sensors for generating respective sensing signals when said sensors detect a predetermined condition; and
a main unit that outputs a synchronization signal and receives said sensing signals coming from said set of peripheral modules;
wherein said peripheral modules selectively transmit said sensing signals to the main unit within a framework of respective transmission time slots determined by said synchronization signal;
wherein said synchronization signal is a periodic signal and said time slots are identified according to a respective delay signal starting from said synchronization signal; and
wherein said main unit is capable of entering into a state of reduced power absorption in the absence of useful transmissions from said peripheral modules and still transmitting said synchronization signal while in said state of reduced power absorption. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A system for data transmission on board a vehicle comprising:
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a set of peripheral modules which can be associated to respective sensors for generating respective sensing signals; and
a main unit designed to receive said sensing signals coming from said set of peripheral modules;
wherein said peripheral modules are configured to transmit said sensing signals in a selective way, in the framework of respective transmission time slots determined by said main unit;
wherein said main unit and said peripheral modules comprise respective transceiver modules for wireless transmission of said signals;
wherein said transceiver modules are configured for radio-frequency transmission; and
wherein said transceiver modules preferably use frequencies from 902 to 928 MHz and from 2400 to 2483.5 MHz, and frequency bands from 433 MHz to 434.8 MHz, from 868 to 870 MHz, and from 2400 to 2483.5 MHz.
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37. An on board system for cycle data transmission comprising:
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a set of peripheral modules associated with a vehicle for generating respective signals corresponding to detection of predetermined conditions; and
a main unit that receives said signals from said set of peripheral modules;
wherein said peripheral modules selectively transmits the signals to the main unit upon the occurrence of a predetermined condition; and
wherein the peripheral modules include a preprocessing capability that is responsive to the occurrence of a predetermined condition and transmit in time slots determined by a synchronization signal generated by the main unit.
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38. An on board vehicle data transmission system comprising:
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a set of peripheral modules operatively associated with respective sensors for generating respective sensing signals when said sensors detect a predetermined condition; and
a main unit that receives said sensing signals from said set of peripheral modules and is capable of entering into a state of reduced power absorption in the absence of the predetermined condition.
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Specification