Patents by Inventor Calvin Howard
Calvin Howard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180324387Abstract: A device for filtering a cable television (CATV) signal includes an input port configured to receive downstream signals from a CATV headend and transmit upstream signals to the CATV headend. The device also includes an output port configured to receive the upstream signals from a subscriber device and transmit the downstream signals to the subscriber device. The device also includes a filter circuit configured to transmit the upstream and the downstream signals between the input port and the output port for a predetermined duration. The predetermined duration starts in response to the output port being coupled to the subscriber device. The filter circuit is configured to block at least a portion of the upstream signals, at least a portion of the downstream signals, or both from being transmitted between the input port and the output port in response to an expiration of the predetermined duration.Type: ApplicationFiled: July 12, 2018Publication date: November 8, 2018Inventors: Thomas Hart, Calvin Howard
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Patent number: 10122962Abstract: A device for filtering a cable television (CATV) signal includes an input port configured to receive downstream signals from a CATV headend and provide upstream signals thereto, an output port configured to be coupled to a subscriber device and provide the downstream signals thereto and to receive the upstream signals therefrom, and a filter circuit configured to transmit the upstream and the downstream signals between the input port and the output port for a predetermined duration after the output port is coupled to the subscriber device. The filter circuit is configured to block at least a portion of the upstream signals, at least a portion of the downstream signals, or both from being transmitted between the input port and the output port in response to an expiration of the predetermined duration.Type: GrantFiled: September 25, 2017Date of Patent: November 6, 2018Assignee: PPC BROADBAND, INC.Inventors: Thomas Hart, Calvin Howard
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Publication number: 20180091771Abstract: A device for filtering a cable television (CATV) signal includes an input port configured to receive downstream signals from a CATV headend and provide upstream signals thereto, an output port configured to be coupled to a subscriber device and provide the downstream signals thereto and to receive the upstream signals therefrom, and a filter circuit configured to transmit the upstream and the downstream signals between the input port and the output port for a predetermined duration after the output port is coupled to the subscriber device. The filter circuit is configured to block at least a portion of the upstream signals, at least a portion of the downstream signals, or both from being transmitted between the input port and the output port in response to an expiration of the predetermined duration.Type: ApplicationFiled: September 25, 2017Publication date: March 29, 2018Inventors: Thomas Hart, Calvin Howard
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Patent number: 9880188Abstract: Sensor arrangement for measuring a rotation speed of a salient member of a rotatable body comprising a first electrode arrangement providing a first input, a second electrode arrangement providing a second input different from the first input, the first and second electrode arrangements configured so noise in the first and second inputs is substantially the same, and wherein variations in the first and second inputs are caused by rotation of the rotatable body and the salient member past the first and second electrode arrangements, an output arrangement for receiving the first and second inputs, and for providing an output proportional to a difference between the first and second inputs, and a retaining member for retaining one or more of the first and second electrode arrangements and output arrangement, the speed of rotation of the salient member measurable from a variation in the output caused by rotation of that salient member.Type: GrantFiled: February 28, 2012Date of Patent: January 30, 2018Assignee: CUMMINS TURBO TECHNOLOGIES LIMITEDInventor: Calvin Howard Cox
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Patent number: 9846064Abstract: A sensor apparatus comprising a housing having an inner perimeter which defines an area through which gas may flow, the housing being provided with a first chamber which extends around the area through which gas may flow, an entrance being distributed around the first chamber, and a second chamber which extends around the area through which gas may flow, an exit being distributed around the second chamber, the first chamber being arranged to be upstream of the second chamber in use, wherein the sensor apparatus further comprises one or more sensors arranged to measure a pressure difference between pressure in the first chamber and pressure in the second chamber. Corresponding turbocharger and method of measuring a mass flow rate are also provided.Type: GrantFiled: August 23, 2013Date of Patent: December 19, 2017Assignee: Cummins Ltd.Inventor: Calvin Howard Cox
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Publication number: 20150369642Abstract: A sensor apparatus comprising a housing having an inner perimeter which defines an area through which gas may flow, the housing being provided with a first chamber which extends around the area through which gas may flow, an entrance being distributed around the first chamber, and a second chamber which extends around the area through which gas may flow, an exit being distributed around the second chamber, the first chamber being arranged to be upstream of the second chamber in use, wherein the sensor apparatus further comprises one or more sensors arranged to measure a pressure difference between pressure in the first chamber and pressure in the second chamber. Corresponding turbocharger and method of measuring a mass flow rate are also provided.Type: ApplicationFiled: August 23, 2013Publication date: December 24, 2015Inventor: Calvin Howard Cox
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Patent number: 8727696Abstract: A variable geometry turbine of the kind used in a turbocharger has a variable geometry element such as a nozzle ring or an annular array of swing vanes that is operated by an actuator. The actuator has an output shaft coupled to a transmission mechanism for moving the variable geometry element. A rotary sensor device coupled to the output shaft of the actuator has a sensor wheel with a stop, slip clutch mechanism and a rotary position sensor. The device converts movement of the actuator output shaft into rotation of the wheel and the sensor generates an output signal representative of the rotary position of the wheel to provide a value indicative of the position of the variable geometry element.Type: GrantFiled: January 19, 2010Date of Patent: May 20, 2014Assignee: Cummins Turbo Technologies LimitedInventor: Calvin Howard Cox
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Patent number: 8473149Abstract: A method of logging information about events for an internal combustion engine having an ignition circuit, and an event logging device arranged to implement the method. The method comprises incrementing a current value of a counter (50) at a predetermined rate when the ignition circuit is turned on, detecting that an event has occurred (53), creating a new event record (54) having at least two fields, populating the fields within the new event record with information about the event (55), including at least an event type and the current value of the counter; and storing the new event record (57).Type: GrantFiled: September 17, 2007Date of Patent: June 25, 2013Assignee: Cummins Turbo Technologies LimitedInventor: Calvin Howard Cox
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Publication number: 20120299583Abstract: Sensor arrangement for measuring a rotation speed of a salient member of a rotatable body comprising a first electrode arrangement providing a first input, a second electrode arrangement providing a second input different from the first input, the first and second electrode arrangements configured so noise in the first and second inputs is substantially the same, and wherein variations in the first and second inputs are caused by rotation of the rotatable body and the salient member past the first and second electrode arrangements, an output arrangement for receiving the first and second inputs, and for providing an output proportional to a difference between the first and second inputs, and a retaining member for retaining one or more of the first and second electrode arrangements and output arrangement, the speed of rotation of the salient member measurable from a variation in the output caused by rotation of that salient member.Type: ApplicationFiled: February 28, 2012Publication date: November 29, 2012Inventor: Calvin Howard Cox
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Publication number: 20100119355Abstract: A variable geometry turbine of the kind used in a turbocharger has a variable geometry element such as a nozzle ring or an annular array of swing vanes that is operated by an actuator. The actuator has an output shaft coupled to a transmission mechanism for moving the variable geometry element. A rotary sensor device coupled to the output shaft of the actuator has a sensor wheel with a stop, slip clutch mechanism and a rotary position sensor. The device converts movement of the actuator output shaft into rotation of the wheel and the sensor generates an output signal representative of the rotary position of the wheel to provide a value indicative of the position of the variable geometry element.Type: ApplicationFiled: January 19, 2010Publication date: May 13, 2010Inventor: Calvin Howard Cox
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Patent number: 4101129Abstract: In a gaming machine of the kind which selects a combination of symbols at random during each game and awards prizes when predetermined prize-winning combinations occur, a detector for detecting said prize-winning combinations of symbols comprising a first memory for storing information of each of a number of predetermined symbols which can occur in said selected combinations, a second memory storing information of each of a number of predetermined symbol occurence patterns which can occur in said selected combinations, a first set of comparators for comparing each of the symbols in a selected combination with each in turn of said predetermined symbols stored in said first memory so as to determine an occurrence pattern for each of said predetermined symbols, and a second set of comparators for comparing each determined occurrence pattern in turn with a number of predetermined occurrence patterns stored in said second memory which are associated with the predetermined symbol used for comparison in determiningType: GrantFiled: April 15, 1976Date of Patent: July 18, 1978Assignee: Bell-Fruit Manufacturing Company LimitedInventor: Calvin Howard Cox