Patent application number | Description | Published |
20110277466 | ENGINE ASSEMBLY AND METHOD OF MAKING - An engine assembly comprising a cylinder head, turbocharger in fluid communication with the cylinder head and exhaust conduit in fluid communication with the turbocharger and method of making the assembly using a single human assembler includes: mounting the turbine to the cylinder head; using a first assembly aid to form a slidable joint between the exhaust conduit and head; using a second assembly aid to form a movable joint between the turbine and exhaust conduit and align the turbine outlet flange and exhaust conduit inlet flange; using a third assembly aid to pilotingly engage the flanges; disposing a clamp about the turbine outlet flange and the exhaust conduit inlet flange; tightening the second assembly aid sufficiently to form an immovable joint; tightening the clamp to form a sealed joint between the flanges; and tightening the first assembly aid to form a fixed joint. | 11-17-2011 |
20130205775 | TURBOCHARGER BEARING ANTI-ROTATION PLATE - A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a semi-floating bearing disposed within the bore. The turbocharger also includes a shaft having a first end and a second end, wherein the shaft is supported by the bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. Additionally, the turbocharger includes a compressor wheel fixed to the shaft proximate to the second end and configured to pressurize an airflow being received from the ambient for delivery to the engine. Furthermore, the turbocharger includes a plate secured within the bearing housing and configured to prevent rotation of the bearing about the axis. An internal combustion engine employing such a turbocharger is also disclosed. | 08-15-2013 |
20140352299 | TURBOCHARGER ASSEMBLY - A turbocharger assembly includes a compressor assembly, a turbine wheel, a shaft, a bearing assembly, and a cooling gas conduit. The compressor assembly includes a compressor impeller. The compressor impeller includes an outermost impeller edge and has a maximum cross-sectional dimension at the outermost impeller edge. The shaft interconnects the compressor impeller and the turbine wheel. The bearing assembly surrounds at least a portion of the shaft. The cooling gas conduit is disposed in fluid communication with the compressor assembly and the bearing assembly. At least a portion of the cooling gas conduit is disposed adjacent the outermost impeller edge such that the cooling gas conduit is configured to receive a portion of intake gases flowing along the outermost impeller edge and guide the portion of the intake gases toward the bearing assembly to cool the bearing assembly. | 12-04-2014 |
Patent application number | Description | Published |
20100102746 | LIGHT CONTROL SYSTEM WITH PWM DUTY CYCLE CONTROL USING CURRENT SIGNAL FEEDBACK - A light control system having a light emitting device to produce a pre-determined light output is disclosed. The light control system includes a power circuit in electrical communication with the light emitting device for transmitting an electrical current to the light emitting device for controlling the light output, a timing circuit in electrical communication with the power circuit, wherein the timing circuit generates a pre-determined timing sequence and regulates a duty cycle of the power circuit in response to the timing sequence, and a feedback circuit in communication with the light emitting devices and the timing circuit, wherein the feedback circuit is adapted to monitor an electrical characteristic of the light emitting devices and control the timing sequence of the timing circuit in response to the electrical characteristics of the light emitting devices. | 04-29-2010 |
20120112729 | IN-RUSH LIMITER CIRCUIT FOR A DRIVER MODULE - A limiter circuit includes a voltage rail having an input and an output, the input receiving an applied input voltage, a switching device in electrical communication with the voltage rail to selective control an electric current flowing through the output of the voltage rail, limiter capacitor in electrical communication with the input of the voltage rail and the switching device, wherein the limiter capacitor and the switching device are in parallel electrical communication between the input and an electrical ground, and a first resistor interposed between the limiter capacitor and the electrical ground, wherein an impedance of the resistor and the limiter capacitor define a time constant for the charging the limiter capacitor, and wherein the time constant of the limiter capacitor controls a voltage applied to the switching device and a current flowing through the output of the voltage rail. | 05-10-2012 |
20140210374 | LIGHTING SYSTEM AND METHOD FOR PWM DUTY CYCLE CONTROL - A lighting system and method are provided for controlling a PWM duty cycle. The lighting system is provided with at least one device that is configured to emit light in response to receiving electrical power. The lighting system includes a power circuit and a feedback circuit. The power circuit is configured to selectively supply power to the device at a duty cycle corresponding to a first mode and a second mode, wherein the duty cycle of the first mode is less than 10% of the duty cycle of the second mode. The feedback circuit is configured to provide a feedback signal that is indicative of the energy provided to the device. The power circuit is further configured to disable power to the device during the first mode in response to the energy being greater than a threshold energy value, thereby adjusting the duty cycle. | 07-31-2014 |
Patent application number | Description | Published |
20130083119 | METALLIC INK JET PRINTING SYSTEM FOR GRAPHICS APPLICATIONS - A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image. | 04-04-2013 |
20130127960 | PRINTING SYSTEM FOR APPLICATION OF A PATTERNED CLEAR LAYER FOR REDUCING GLOSS BANDING - The invention involves application of a clear, low-density after-layer of high gloss ink onto a printed substrate to reduce or eliminate negative printing effects, such as gloss banding. Some embodiments of the invention involve a method of applying colored ink, curing the colored ink, applying a clear ink layer in a pattern, and curing the clear layer. | 05-23-2013 |
20130242016 | METALLIC INK JET PRINTING SYSTEM AND METHOD FOR GRAPHICS APPLICATIONS - A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image. | 09-19-2013 |
Patent application number | Description | Published |
20110141189 | METALLIC INK JET PRINTING SYSTEM FOR GRAPHICS APPLICATIONS - A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image. | 06-16-2011 |
20110169888 | METALLIC INK JET PRINTING SYSTEM FOR GRAPHICS APPLICATIONS - A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image. | 07-14-2011 |
20120244317 | METALLIC INK JET PRINTING SYSTEM AND METHOD FOR GRAPHICS APPLICATIONS - A multi-phase system for creating a metallic effect on a substrate, comprising applying to the substrate a first ink jet ink comprising a dispersion of reflective metallic particles in a suitable carrier system, to form a reflective coating layer; and applying a second ink jet ink over the reflective coating layer to form a protective coating layer. Optionally, an undercoat layer is printed on the substrate prior to applying the first ink jet ink. The second ink jet comprises at least one crosslinkable polymer or is otherwise energy curable. The second ink jet ink optionally imparts a color to the metallic image. | 09-27-2012 |
Patent application number | Description | Published |
20120162337 | METHOD AND COMPOSITION FOR INK JET PRINTING ON A NONABSORBENT SUBSTRATE - Ink jet printing on a non-absorbent substrate involves a wet primer having a primer viscosity. The wet primer is applied on the non-absorbent substrate. An ink jet ink having an ink jet viscosity lower than the primer viscosity is jetted over the wet primer while the primer is still wet. The wet primer and ink are simultaneously cured on the substrate. | 06-28-2012 |
20130222499 | GLOSS-CONTROLLABLE, RADIATION-CURABLE INKJET INK - Gloss-controllable, radiation-curable inkjet inks cure quickly with minimal radiation exposure, enabling high-printing speed and low surface heating with controllable gloss on the printed image. Ink gloss can be controlled by varying the pinning energy to create the printed images with varied gloss from 10 to 100 gloss unit at 85° gloss measurement angle. After curing, the ink remains flexible on the surface, giving excellent performance on a wide range of surfaces, greatly expanding the range of applications for the ink. A gloss-controllable, radiation-curable inkjet ink may include approximately 8-18% of photo-initiators responding to UVA and UW (UVA: 320-400 nm wavelengths, UW: 400-450 nm wavelengths) radiation to initiate free radicals and optionally, other types of photo-initiators and approximately 60-85% of highly flexible mono-functional monomers. The resulting ink is of low viscosity, having excellent flexibility after curing, is low-odor and permits excellent print quality and high productivity on a wide range of surfaces. | 08-29-2013 |
20140362149 | SYSTEMS, STRUCTURES AND ASSOCIATED PROCESSES FOR INLINE ULTRASONICATION OF INK FOR PRINTING - Enhanced printing systems, structures, and processes provide ultrasonication of ink, such as to degas the ink, and/or to maintain the size of particles within the ink. At least one ultrasonic module, such as comprising any of an ultrasonic probe or an ultrasonic bath, is located within an ink delivery system. Ink is delivered to the ultrasonic module, and ultrasonic energy is applied to the ink, such as at a sufficient level and duration to degas the ink, and/or to reduce the size of particles within the ink. In some embodiments, the particles may be agglomerates, wherein the applied energy is configured to reduce the size of the agglomerates to a size that can be jetted through the print head. In other embodiments, the particles may be metallic particles, wherein the applied energy is configured to create smaller metallic particles that can be jetted with the ink through the print head. | 12-11-2014 |
Patent application number | Description | Published |
20090160607 | VEHICLE KEY FOB HAVING A COMMUNICATIONS CIRCUIT - A vehicle key fob for communicating information between one or more electronic devices, such as a personal or laptop computer, and a wireless-enabled vehicle. In one embodiment, a wired communications link is established between the electronic device and the vehicle key fob over a wired connection, such as a USB cable. A separate wireless communications link is established between a wireless interface located in the vehicle key fob, such as a wireless adapter, and the wireless-enabled vehicle so that information can be sent from the electronic device to the vehicle, and vice-versa, in a secured manner. | 06-25-2009 |
20090248235 | AUTOMATED, TARGETED DIAGNOSTIC PROBE USING A VEHICLE TELEMATICS UNIT - A system and method for providing diagnostic assistance to a driver of a vehicle when calling a call center following a diagnostic warning being displayed on the vehicle instrument panel. Upon establishing the call, indicator data representative of the warning is automatically sent to the call center where it is used to select one or more diagnostic tests targeted to particular vehicle systems associated with the warning. The test is carried out at the vehicle and the resulting diagnostic data sent back to the call center. The call is then switched to an advisor at the call center and the received diagnostic data is used to aid the advisor in providing the diagnostic assistance to the driver. | 10-01-2009 |
20100026306 | METHOD AND APPARATUS FOR TELEMATICS-BASED VEHICLE NO-START PROGNOSIS - A system and method for determining the status of a vehicle battery to determine whether the battery may not have enough charge to start the vehicle. The method includes collecting data relating to the battery on the vehicle and collecting data relating to the battery at a remote back-office. Both the vehicle and the remote data center determine battery characteristics based on the collected data and the likelihood of a vehicle no-start condition, where the algorithm used at the remote back-office may be more sophisticated. The data collected at the remote back-office may include vehicle battery information transmitted wirelessly from the vehicle, and other information, such as temperature, battery reliability, miles that the vehicle has driven per day, ambient temperature, high content vehicle, etc. Both the vehicle and the remote back-office may determine the battery open circuit voltage. | 02-04-2010 |
20110140871 | SYSTEM AND METHOD FOR DISABLING A VEHICLE - Systems and methods are provided for disabling a vehicle. An exemplary system includes, but is not limited to an antenna that is adapted to be attached to the vehicle. The antenna is configured to transmit and receive communication transmissions. A telematics unit is communicatively connected to the antenna. The telematics unit is adapted for attachment to the vehicle and is configured to communicatively connect to a necessary sub-system of the vehicle, to receive telecommunications from a user through the antenna, and to disable the necessary sub-system in response to receiving an instruction from the user to disable the vehicle. | 06-16-2011 |
20110153148 | VEHICLE TELEMATICS COMMUNICATION FOR PROVIDING IN-VEHICLE REMINDERS - A method and system for providing a reminder message to a user associated with a vehicle via a vehicle telematics unit. The method carried out by the system involves sending to a user an email, web page or other communication that contains a user selectable reminder request, receiving the reminder request from the user, setting a reminder trigger in the vehicle, and then carrying out a requested action in response to occurrence of the trigger. The requested action can be presentation of a reminder message to the occupant and/or establishment of a call from the vehicle to a call center or other remote location to obtain services, such as telematics subscription renewal, or dealer service. The user-selectable reminder request can be implemented in the communication as a virtual button that mimics the look of a physical button installed in the car that is used to provide telematics services. | 06-23-2011 |
20110288721 | PRE-FILLING VEHICLE DATA CHECK - A pre-filling vehicle data check method and system are disclosed herein. One example of the method includes receiving, at a financial institution, an authorization request from a filling station for initiating a filling event, where the authorization request includes a financial code. Via a computing device at the financial institution, the financial code is recognized as being associated with at least one of a vehicle identification number or a station identification associated with a vehicle, thereby identifying the vehicle. At least one parameter of the identified vehicle is identified via the computing device at a data center in selective communication with the vehicle and the financial institution, and an authorization or denial of the at least one filling event based at least upon the at least one parameter is transmitted from the computing device at the data center. | 11-24-2011 |
20120123629 | METHOD OF PROVIDING DIRECTIONS TO A VEHICLE SERVICE FACILITY - A method of providing directions to a vehicle service facility includes generating a vehicle service alert that includes vehicle operating data, sending the vehicle service alert to a vehicle telematics service subscriber, offering the vehicle telematics service subscriber a choice of one or more vehicle service facilities for responding to the vehicle service alert, and if the vehicle owner chooses a vehicle service facility, providing turn-by-turn directions to the chosen vehicle service facility. | 05-17-2012 |
20130046432 | VEHICLE TELEMATICS COMMUNICATIONS FOR PROVIDING DIRECTIONS TO A VEHICLE SERVICE FACILITY - A method of providing directions to a vehicle service facility includes generating a vehicle service alert that includes vehicle operating data, sending the vehicle service alert to a vehicle telematics service subscriber, offering the vehicle telematics service subscriber a choice of one or more vehicle service facilities for responding to the vehicle service alert, and if the vehicle owner chooses a vehicle service facility, providing turn-by-turn directions to the chosen vehicle service facility. | 02-21-2013 |
20130325249 | AUTOMATED, TARGETED DIAGNOSTIC PROBE USING A VEHICLE TELEMATICS UNIT - A system and method for providing diagnostic assistance to a driver of a vehicle when calling a call center following a diagnostic warning being displayed on the vehicle instrument panel. Upon establishing the call, indicator data representative of the warning is automatically sent to the call center where it is used to select one or more diagnostic tests targeted to particular vehicle systems associated with the warning. The test is carried out at the vehicle and the resulting diagnostic data sent back to the call center. The call is then switched to an advisor at the call center and the received diagnostic data is used to aid the advisor in providing the diagnostic assistance to the driver. | 12-05-2013 |
20140201748 | TELEMATICS CONTROL UTILIZING RELATIONAL FORMULAS - A telematics unit is provided. The telematics unit includes a non-transitory computer-readable medium and a processor, configured to execute a telematics task manager application according to processor-executable instructions stored on the non-transitory computer-readable medium. The telematics task manager application comprises a plurality of tasks. Each task includes one or more subtasks. Each subtask including subtask-specific triggering logic for execution of one or more actions based on the triggering logic. The triggering logic is based on modular condition blocks. | 07-17-2014 |
20150054647 | PROVIDING NOTIFICATION THAT AN ELECTRONIC DEVICE IS LOCATED AT A VEHICLE - A method of providing an alert that a portable electronic device has been left at a vehicle. The method comprises determining that an occupant has exited the vehicle. The method further comprises detecting that a portable electronic device is located at the vehicle. When it has been determined that the occupant has left the vehicle and that the electronic device has been left behind, the method still further comprises generating an alert to notify the occupant that the electronic device has been left at the vehicle. A system for performing or utilizing the above-described methodology is also provided. | 02-26-2015 |
20150073649 | MANAGING DIAGNOSTIC TROUBLE CODES IN A VEHICLE - A method of managing diagnostic trouble codes (DTCs) in a vehicle includes generating at a vehicle a plurality of DTCs output from one or more diagnostic subtasks; assigning an ordinal number to each DTC independent of time based on the order in which the DTC occurred at the vehicle; and wirelessly transmitting to a central facility the plurality of DTCs along with the ordinal numbers assigned to each DTC. | 03-12-2015 |
Patent application number | Description | Published |
20100033319 | NOTIFICATION SYSTEM AND METHOD THEREOF - A notification system and method of visual notification of different types of events by flashing different colors is provided, wherein the notification system includes a master controller and a notification device. The master controller is configured to communicate at least one signal. The notification device includes an enclosure accepting a plurality of conductors providing both signaling and electrical power to the notification device, and at least one strobe drive circuit configured to supply an electrical signal for periodically flashing at least one strobe. The notification device further includes a strobe system configured to flash at least one strobe, such that the strobe system flashes one of at least two different colors, and a control logic configured to determine which color of the at least two different colors to flash at least one strobe based upon the signal received from at least one of the plurality of conductors. | 02-11-2010 |
20100271220 | Detection Device System and Device Thereof - A detection device and detection device system are provided, wherein the detection device includes a housing, a first detector device and a second detector device. The first detector device is configured to detect at least one smoke particle. A second detector device configured to detect at least one gas particle, wherein the first detector device and the second detector device are substantially enclosed in the housing. The detection device further includes an audible enunciator configured to emit an audible noise when at least one of the first and second detector devices detect at least one smoke and gas particle, and a test button, wherein the audible enunciator emits an audible sound when the detection device is operating improperly and the test button is activated. | 10-28-2010 |
20110012746 | Notification Appliance and Method Thereof - A notification appliance configured to emit a notification output based upon at least one detected environmental condition is provided that includes a sensor configured to detect the at least one environmental condition, at least one light emitting diode (LED) light source configured to emit light having an intensity during a pulse time period, and a controller in communicative connection with the sensor and the LED light source, wherein the controller is configured to control the LED light source so that the pulse time period is approximately less than or equal to two hundred milliseconds (200 ms), while substantially maintaining an effective intensity and enhancing a perceived brightness of the emitted light. | 01-20-2011 |
20130285805 | SUPERVISED INTERCONNECT SMOKE ALARM SYSTEM AND METHOD OF USING SAME - A smoke alarm system for providing interconnect supervision between detectors includes smoke detectors configured so that an interconnect line extends between each of the of smoke detectors. In one embodiment using a wired connection, each of the smoke detectors includes an interconnect input and an interconnect output for connecting the smoke detectors into a loop configuration. Similarly, the system may also operate to provide interconnect supervision in a wireless manner such that each of the smoke detectors are polled on a periodic basis. Thus, the smoke alarm system uses interconnect supervision for alerting other detectors of a smoke and/or carbon monoxide alarm as well as altering other detectors to a fault condition. | 10-31-2013 |
Patent application number | Description | Published |
20090161287 | ELECTRONIC DEVICE OPERABLE TO PROTECT A POWER TRANSISTOR WHEN USED IN CONJUNCTION WITH A TRANSFORMER - An electronic device can be used with a system, such as an ignition system, that operates a relatively high voltage. The device can include a signal clamping control module that can include a signal reference module and a feedback control module. The signal reference module is operable to provide a reference signal to the feedback control module. The feedback control can be configured to receive a scaled signal from a signal scaling module, wherein the scaled signal is representative of a signal at a current carrying electrode of a power transistor. Based on the comparison of the reference signal to the scaled signal, the measurement module provides one or more signals to a control signal drive module. The feedback control module provides a control electrode signal to a control electrode of the power transistor. | 06-25-2009 |
20120242380 | SELECTABLE THRESHOLD RESET CIRCUIT - A low voltage testing circuit ( | 09-27-2012 |
20130328554 | VRS INTERFACE WITH 1/T ARMING FUNCTION - A variable reluctance sensor system for processing a variable reluctance sensor signal including an arming comparator and an arming circuit. The arming comparator compares the variable reluctance sensor signal with an arming threshold which decreases proportional to 1/t from a predetermined maximum level and asserts an armed signal when the variable reluctance sensor signal reaches the arming threshold. The arming threshold may be decreased based on a scaling factor multiplied by 1/t to ensure detection of each pulse of the variable reluctance sensor signal. The arming threshold may decrease to a predetermined minimum level sufficiently low to intersect the variable reluctance sensor signal and sufficiently high relative to an expected noise level. The arming threshold is reset in response to a timing event, such as zero crossing of the variable reluctance sensor signal. | 12-12-2013 |
20140035561 | VARIABLE RELUCTANCE SENSOR INTERFACE WITH INTEGRATION BASED ARMING THRESHOLD - An interface for processing a variable reluctance sensor signal provided by a variable reluctance sensor including an integrator, an arming comparator and a detect circuit. The integrator includes an input for receiving the variable reluctance sensor signal and an output providing an integrated signal indicative of total flux change of the variable reluctance sensor. The arming comparator compares the integrated signal with a predetermined arming threshold and provides an armed signal indicative thereof. The detect circuit provides a reset signal after the armed signal is provided to reset the integrator. A corresponding method of processing the variable reluctance sensor signal is also described. | 02-06-2014 |
20150067429 | WAFER-LEVEL GATE STRESS TESTING - A method of testing a semiconductor device includes forming a test circuit over a semiconductor substrate. The test circuit includes a plurality of interconnects electrically connected to a set of device structures supported by the semiconductor substrate. A test, such as a gate stress or leakage current test, of each device structure is conducted with the test circuit. The plurality of interconnects are removed after conducting the test. | 03-05-2015 |
20150075401 | SQUIB DRIVER DIAGNOSTIC CIRCUIT AND METHOD - A diagnostic circuit is provided that includes a FET having a source connected to a first node, a drain, and a gate; a first switch connecting a current-supply node to one of the gate and a second node; a second switch connecting the first node and the second node; a variable current source providing one of a drive current and a test current to the current-supply node; a fire current source configured to provide a fire current to the drain; an error-detecting circuit connected to the second node, a reference terminal, and an error node, the error-detecting circuit generating an error signal to the error node indicating whether an error-detecting parameter at the second node exceeds a reference parameter at the reference terminal; and a control circuit generating control signals to control the variable current source, and the first and second switches. | 03-19-2015 |
20150097556 | VARIABLE RELUCTANCE SENSOR INTERFACES AND METHODS OF THEIR OPERATION - The embodiments described herein include systems with a variable reluctance sensor (VRS) interface and methods of their operation that may reduce the probability of erroneous transitions in a resulting generated detect signal. As such, the VRS interface can improve the accuracy of position and/or motion determinations, and thus can improve the performance of a wide variety of devices that use variable reluctance sensors. In one embodiment the VRS interface uses a comparator with hysteresis to generate a trailing edge signal. In another embodiment the VRS interface uses bias voltages to reduce the probability of erroneous transitions in a trailing edge signal. In either case the VRS interface can prevent erroneous transitions in the detect signal and thus may improve the performance and accuracy of the system. | 04-09-2015 |
20150097557 | VARIABLE RELUCTANCE SENSOR INTERFACES WITH SIGNAL PRE-PROCESSING AND METHODS OF THEIR OPERATION - The embodiments described herein can provide a variable reluctance sensor (VRS) interface that may reduce the probability of erroneous transitions in a resulting generated detect signal. As such, the VRS interface can improve the accuracy of position and/or motion determinations, and thus can improve the performance of a wide variety of devices that use variable reluctance sensors. To facilitate this, the VRS interface includes a pre-processing circuit configured to modify a VRS signal to prevent the modified VRS signal from dropping below a threshold value and generating erroneous transitions in the detect signal pulse between leading and lagging edges of a tooth. In one embodiment the pre-processing circuit comprises a peak and hold circuit. In another embodiment the pre-processing circuit comprises a resistor-capacitor circuit. In either case the pre-processing circuit can prevent erroneous transitions in the detect signal and thus may improve the performance and accuracy of the system. | 04-09-2015 |