Patent application number | Description | Published |
20120019578 | CROSSTALK REDUCTION IN PIEZO PRINTHEAD - Crosstalk in a piezo printhead is reduced by storing a coefficient that expresses an amount of crosstalk between a first nozzle and an adjacent nozzle. A drive waveform voltage is pre-biased using the coefficient, and the pre-biased waveform is applied to a piezoelectric material of the first nozzle. | 01-26-2012 |
20120120138 | CROSSTALK REDUCTION IN PIEZO PRINTHEAD - Crosstalk in a piezo printhead is reduced by selecting an actuation signal for a nozzle, determining a time delay and a pulse width extension based on adjacent actuation signals of adjacent nozzles, and applying the time delay and pulse width extension to the actuation signal. | 05-17-2012 |
20120185186 | Temperature Sensing of Electric Batteries - Methods and apparatus are provided related to thermal protection of electrical batteries. A sensor senses the temperature of a battery and a corresponding digital signal is digitally derived. Date, time and temperature data are written to storage media. A time-rate-of-change of the battery's temperature is determined and used to establish operational periodicity. Stored digital data can be communicated to another entity, temperature or time-rate-of-change values used to trigger an alarm or system shut-down, and so on. Electronic circuitry toggles between an active mode and a power-conserving sleep mode in accordance with periodic operating schedule. | 07-19-2012 |
20130004811 | BATTERY TEMPERATURE SENSOR - A battery temperature sensor may include a substrate and a thin film resistive temperature device (RTD). The substrate can be layered on a battery cell element. The battery cell element can be an anode, a cathode, and a separator between the anode and cathode used in a battery cell. The thin film resistive temperature device (RTD) on the flexible substrate can change resistance with a change in temperature. A battery cell housing can enclose the thin film RTD. | 01-03-2013 |
20130310998 | ENERGY MANAGEMENT SYSTEM - A measurement node is disclosed herein. An example of the measurement node includes a sensor to measure a parameter and a control module to govern operation of the sensor. The measurement node also includes a rechargeable power source to deliver energy to at least the sensor or the control module and an energy management system to regulate execution of tasks relating to the sensor to minimize total energy consumed from the rechargeable power source. An energy management system and a method for managing energy usage are also disclosed herein. | 11-21-2013 |
20140152726 | WAVEFORM SELECTION AND/OR SCALING FOR DRIVING NOZZLE OF FLUID-JET PRINTING DEVICE - A controller is for driving a nozzle of a fluid-jet printing device. The controller can select a waveform from a number of waveforms based at least on values for the nozzle. The controller can scale the waveform based on the values for the nozzle. The waveform drives the nozzle to cause the nozzle to eject fluid therefrom. | 06-05-2014 |
20140169252 | SENSOR NODE LOCATION-BASED POWER OPTIMIZATION - Sensor node location-based power consumption optimization employs an adjustable minimum detectable signal (MDS) level that is set based on a location of a sensor node relative to a location of a source of an event signal. The sensor node includes a sensor to respond to the event signal and an interface module to determine the sensor response to the event signal. The interface module has the adjustable MDS level and a power consumption that is a function of the adjustable MDS level. The adjustable MDS level is set to optimize power consumption. | 06-19-2014 |
20140204148 | INK LEVEL SENSOR AND RELATED METHODS - In an embodiment, a method of sensing an ink level includes applying a pre-charge voltage Vp to a sense capacitor to charge the sense capacitor with a charge Q | 07-24-2014 |
20140217984 | EXTENDING BATTERY LIFE FOR A RECHARGEABLE BATTERY - Technology is described for extending battery life for a rechargeable battery. The method can include estimating a desired energy storage for the rechargeable battery in an electronic device during an operating time period. Expected active periods for the rechargeable battery can be determined. A defined charge voltage can be computed based on the desired energy storage and expected active periods of the rechargeable battery in the electronic device. In addition, the rechargeable battery can be charged to the defined charge voltage. | 08-07-2014 |