JP2642613B
The fan monitoring and control system comprises the power mixing circuit having a first and a second input for receipt of a first and a second power rail, respectively, a first pair of power rail enable inputs and a second pair of power rail enable inputs, a first pair of power rail status outputs a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The fan monitoring and control system comprises the power mixing circuit having a first and a second input for receipt of a first and a second power rail, respectively, a first pair of power rail enable inputs and a second pair of power rail enable inputs, a first pair of power rail status outputs and a second pair of power rail status outputs, and a power output. A fan unit has a power input coupled to the power output of the power mixing circuit, a speed control input and a speed indicator output. A first control board has a fan speed indicator input coupled to the speed indicator output of the fan unit, and a pair of power rail status inputs coupled to the first pair of power rail status outputs of the power mixing circuit, respectively. A pair of power rail enable outputs are coupled to the first pair of power rail enable inputs of the power mixing circuit, respectively, and a speed control output is coupled to the speed control input of the fan unit. A second control board is also included. |
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