Centralized bus interface with single wire secondary distribution
First Claim
1. A method of transmitting data on an aircraft or spacecraft comprising the steps of:
- sending a command from an aircraft or spacecraft platform command processor to an aircraft or spacecraft central bus interface unit comprising a register and a switch;
providing power over a single power line to an aircraft or spacecraft payload unit; and
interrupting the power provided to the aircraft or spacecraft payload unit over the single power line by turning the switch on and off with the register, based on the command, to provide the aircraft or spacecraft payload unit with the command from the aircraft or spacecraft platform command processor with the aircraft or spacecraft payload unit determining the command based on measurements of the power interruption, wherein power interruptions having different measurements correspond to different commands.
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Abstract
A system for single wire secondary distribution comprising a spacecraft platform; a central bus interface unit coupled to the spacecraft platform; a payload unit coupled to the central bus interface unit; and a centralized power supply for powering the central bus interface unit and the payload unit; wherein the spacecraft platform provides a command to the central bus interface unit; wherein the central bus interface unit interrupts the power to the payload unit in a manner corresponding to the commands received by the central bus interface unit; wherein the payload unit decodes the interruption to the power and executes the command from the spacecraft platform.
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Citations
21 Claims
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1. A method of transmitting data on an aircraft or spacecraft comprising the steps of:
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sending a command from an aircraft or spacecraft platform command processor to an aircraft or spacecraft central bus interface unit comprising a register and a switch; providing power over a single power line to an aircraft or spacecraft payload unit; and interrupting the power provided to the aircraft or spacecraft payload unit over the single power line by turning the switch on and off with the register, based on the command, to provide the aircraft or spacecraft payload unit with the command from the aircraft or spacecraft platform command processor with the aircraft or spacecraft payload unit determining the command based on measurements of the power interruption, wherein power interruptions having different measurements correspond to different commands. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification