Pulse width modulation fan

The invention relates to a pulse width modulation fan. The invention provides an apparatus that can include a fan including a control pin. The fan may receive a pulse width modulated (PWM) signal at the control pin. The fan may further control a speed of the fan based on a duty cycle of the PWM sign...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VOLKMANN ARTHUR, HEINRICH DAVID F, POLLOCK RACHEL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY BLASTING CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PHYSICS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PULSE TECHNIQUE PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a pulse width modulation fan. The invention provides an apparatus that can include a fan including a control pin. The fan may receive a pulse width modulated (PWM) signal at the control pin. The fan may further control a speed of the fan based on a duty cycle of the PWM signal when the PWM signal is in a first range and, responsive to the duty cycle of the PWM signal beingin a second range, transmit information corresponding to the fan to an external controller. 本公开涉及脉冲宽度调制风扇。本公开提供一种装置，包括包含控制管脚的风扇。风扇可以在控制管脚处接收脉冲宽度调制(PWM)信号。当PWM信号处于第一范围时，风扇可以进一步基于PWM信号的占空比来控制风扇的速度，并且响应于PWM信号的占空比在第二范围，发送对应于风扇的信息到外部控制器。