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US 2022/0009250 A1Published application
Signals controllers
AssigneeHewlett-Packard Development Company, L.P.
InventorsDaniel James Magnusson, Robert Yraceburu, Timothy Jacob Luedeman
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Abstract
In some examples, a system can include: a heating device, a Proportional Integral Derivative (PID) controller and a switching mechanism to selectively enable transmission of signals to the heating device based on a real time temperature in proximity to the heating device, wherein the PID controller is to continuously output pulse width modulation (PWM) signals independent of selective transmission of signals by the switching mechanism.
Claims15
A system comprising:
- a heating device;
- a Proportional Integral Derivative (PID) controller;
- and
- a switching mechanism to selectively enable transmission of signals to the heating device based on a real time temperature in proximity to the heating device, wherein the PID controller is to continuously output pulse width modulation (PWM) signals independent of selective transmission of signals by the switching mechanism.
1 more element
An imaging device comprising:
- a controller comprising a hysteresis-based switching component and a power source with a feedback loop to provide power to a heat source;
- a non-transitory computer readable medium storing instructions executable by a processing resource to:
- detect a temperature of a drying zone exceeding a first threshold;
- and
- selectively transmit, via the hysteresis-based switching component, power from the power source to the heat source based on temperature measurements in proximity to the heat source.
2 more elements
A system, comprising:
- a heated pressure roller to receive partially dried inkjet media from a print zone, wherein the heated pressure roller includes a heat source;
- a first controller, wherein the first controller transmits Pulse Width Modulation (PWM) signals to the heated pressure roller, wherein the first controller to continue to transmit PWM signals while transmission of PWM signals is selectively disabled by a second controller;
- and
- the second controller to receive the PWM signals from the first controller, the second controller to:
- receive signals indicative of a temperature of the heated pressure roller;
- selectively disable transmission of PWM signals, received from the first controller, to the heated pressure roller responsive to a determination that the temperature of the heated pressure roller exceeds a first threshold;
- and
- selectively enable transmission of the PWM signals to the heated pressure roller responsive to a determination that the temperature of the heated pressure roller falls below a second threshold.
5 more elements
Dependencies are inferred from the claim text.