Patent application number | Description | Published |
20100008459 | Calibrating A Phase Detector And Analog-To-Digital Converter Offset And Gain - The present invention includes apparatus and methods to calibrate a phase detector and an analog-to-digital converter (ADC) offset and gain. In one such embodiment, an apparatus includes a phase detector to generate an error pulse and a reference pulse, a combiner to combine the pulses, and an ADC to receive the combined pulses, where the ADC has a full scale set by an average of the reference pulse. Still further, a calibration loop may be coupled between the output of the ADC and the phase detector to generate and provide a phase adjust signal to reduce or eliminate phase offsets. Other embodiments are described and claimed. | 01-14-2010 |
20130076415 | PLL USING INTERPOLATIVE DIVIDER AS DIGITALLY CONTROLLED OSCILLATOR - One or more PLLs are formed on an integrated circuit. Each PLL includes an interpolative divider configured as a digitally controlled oscillator, which receives a reference clock signal and supplies an output signal divided according to a divide ratio. A feedback divider is coupled to the output signal of the interpolative divider and supplies a divided output signal as a feedback signal. A phase detector receives the feedback signal and a clock signal to which the PLL locks. The phase detector supplies a phase error corresponding to a difference between the clock signal and the feedback signal and the divide ratio is adjusted according to the phase error. | 03-28-2013 |
20130076547 | Sigma-Delta Modulation with Reduction of Spurs Using a Dither Signal - A method includes operating on a sigma-delta modulated signal to reduce a dither signal component in one of a first signal and a second signal, the first signal being an integer portion corresponding to a digital frequency ratio and the second signal corresponding to a fractional portion of the digital frequency ratio. In at least one embodiment of the method, the operation is performed digitally in a frequency synthesizer. | 03-28-2013 |
20130082793 | Mutual Inductance Circuits - An apparatus includes a first conductive loop coupled to conduct a first current and a second conductive loop coupled in parallel with the first conductive loop and further coupled to conduct a second current. A first conductive portion forms a part of the first conductive loop and the second conductive loop. The first conductive portion is coupled to conduct the first current and the second current. In at least one embodiment of the apparatus, the first conductive loop and the second conductive loop are planar inductors formed in a conductive layer on a substrate of an integrated circuit. | 04-04-2013 |
20130300467 | HIGHER-ORDER PHASE NOISE MODULATOR TO REDUCE SPURS AND QUANTIZATION NOISE - A frequency synthesizer capable of generating a clock signal having reduced digital spurs and reduced jitter is described. An apparatus includes a frequency modulator configured to generate a divide control signal and a digital quantization error signal in response to a divide ratio. The apparatus includes a phase modulator configured to generate a phase error signal based on the digital quantization error signal. The phase modulator is an n-order sigma-delta modulator module, n being an integer greater than one. The apparatus may include an interpolative divider configured to generate a feedback signal in a phase-locked loop (PLL) based on an output signal of the PLL, the divide control signal, and the phase error signal. The interpolative divider may include the frequency modulator and the phase modulator. The phase modulator may have a unity gain signal transfer function. | 11-14-2013 |
20140055179 | INTERPOLATIVE DIVIDER LINEARITY ENHANCEMENT TECHNIQUES - A flexible clock synthesizer technique includes generating a phase interpolator calibration signal to adjust a phase interpolator output signal generated by a phase interpolator of an interpolative divider. The phase interpolator is responsive to a phase interpolator control code and an output signal of a fractional-N divider of the interpolative divider. The phase interpolator calibration signal is based on an error signal indicative of a phase interpolator error. The error signal may indicate a phase relationship between a reference clock signal and a feedback clock signal of a PLL. The interpolative divider may be coupled in a feedback path of the PLL. The PLL may receive a reference clock signal and the feedback clock signal may be an adjusted phase interpolator output signal. The phase interpolator calibration signal may be a phase interpolator offset code corresponding to the phase interpolator control code or a phase interpolator gain signal. | 02-27-2014 |
Patent application number | Description | Published |
20120089537 | METHOD AND SYSTEM FOR RAIL VEHICLE RECONFIGURATION - Methods and systems are provided for controlling a locomotive (or other rail vehicle) owned by a first entity when borrowed and operated by a second entity. The locomotive includes an operating control system having a first mode and a second, different mode of operation, the first mode including settings configured for the first entity, the second mode including settings configured for a second, different entity. The method includes enabling the first mode and disabling the second mode of the operating control system when the locomotive is operated by the first entity, and enabling the second mode and disabling the first mode of the operating control system when the locomotive is operated by the second entity. | 04-12-2012 |
20120130568 | DATA COMMUNICATION SYSTEM FOR A RAIL VEHICLE CONSIST AND METHOD FOR COMMUNICATING DATA WITH A RAIL VEHICLE CONSIST - A data communication system for a rail vehicle consist includes a data reading device and a processing module. The data reading device is disposed on the consist and is configured to interrogate and read data from a tangible and non-transitory medium that is spaced apart from the data reading device. The processing module is disposed on the rail vehicle consist and is communicatively coupled with the data reading device. The processing module receives the data from the data reading device and uses the data in connection with one or more operations of the rail vehicle consist. A method for communicating data with a rail vehicle consist includes interrogating and reading data from a tangible and non-transitory medium using an electronic reading device while the medium is spaced apart from the reading device and using the data in connection with one or more operations of the rail vehicle consist based on the data. | 05-24-2012 |
20120290182 | OFF-BOARD SCHEDULING SYSTEM AND METHOD FOR ADJUSTING A MOVEMENT PLAN OF A TRANSPORTATION NETWORK - A system includes a monitoring module, a congestion module, a modification module, and a communication module. The monitoring module monitors vehicles in a transportation network. The congestion module calculates a throughput parameter that is representative of a statistical measure of adherence to a movement plan by the vehicles. The modification module determines a confidence parameter representative of a probability that changing the original meet event does not reduce the throughput parameter. The modification module modifies the original meet event to an updated meet event when the confidence parameter exceeds a predetermined threshold. The communication module transmits the updated meet event to the yielding vehicle and/or the passing vehicle, for the yielding vehicle and/or the passing vehicle to receive the updated meet event from the communication module and change a speed of the yielding vehicle or the passing rail vehicle to arrive at the updated meet event. | 11-15-2012 |
20120290185 | SCHEDULING SYSTEM AND METHOD FOR A TRANSPORTATION NETWORK - A system is provided that includes a control unit configured to be disposed on-board at least one of a first vehicle or a second vehicle. The control unit also is configured to receive an updated time of an event involving the first vehicle and the second vehicle traveling in a transportation network. The control unit also is configured to change a speed of said at least one of the first vehicle or the second vehicle in response to the updated time to arrive at the event. A method is provided that includes, at one of a first vehicle or a second vehicle, receiving an updated time of an event involving the first vehicle and the second vehicle in a transportation network. The method also includes changing a speed of said one of the first vehicle or the second vehicle in response to the updated tune to arrive at the event. | 11-15-2012 |
20130015298 | SYSTEM, METHOD AND DEVICE FOR CONVEYING INFORMATION FROM A WAYSIDE DEVICEAANM COOPER; Jared K.AACI MelbourneAAST FLAACO USAAGP COOPER; Jared K. Melbourne FL USAANM Eldredge; DavidAACI MelbourneAAST FLAACO USAAGP Eldredge; David Melbourne FL USAANM Schoonmaker; WilliamAACI MelbourneAAST FLAACO USAAGP Schoonmaker; William Melbourne FL USAANM Brand; JohnAACI MelbourneAAST FLAACO USAAGP Brand; John Melbourne FL USAANM Wawrzyniak; FrankAACI MelbourneAAST FLAACO USAAGP Wawrzyniak; Frank Melbourne FL US - A system, method and device for communicating information from a wayside device to a vehicle are provided. In one embodiment, the device comprises. a first light unit configured to emit a first pattern of light in a non-visible spectrum; a second light unit configured to emit a second pattern of light in the non-visible spectrum; wherein said first pattern is distinct from said second pattern; an interface in communication with the first and second light units and configured to receive information of an operational mode of the wayside device; wherein the first and second light units are responsive to one or more first control signals from said interface to operate in a first mode, corresponding to a first operational mode of the wayside device, in which said first pattern of light is on and said second pattern of light is off; and wherein the first and second light units are responsive to one or more second control signals from said interface to operate in a second mode, corresponding to a second operational mode of the wayside device, in which said first pattern of light is off and said second pattern of light is on. | 01-17-2013 |
20130144466 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A system includes a scheduling module and a resolution module. The scheduling module determines plural initial schedules for plural different vehicles to concurrently travel in a transportation network. The initial schedules include locations and times for the vehicles to travel. The resolution module modifies at least one of the initial schedules to one or more modified schedules based on an anomaly in at least one of the vehicles or the routes that prevents one or more of the vehicles from traveling in the transportation network according to the initial schedules. The scheduling module communicates the modified schedules to the vehicles so that energy management systems disposed on the vehicles modify travel of the vehicles according to the modified schedules. | 06-06-2013 |
20130144467 | TRANSPORTATION NETWORK SCHEDULING SYSTEM AND METHOD - A method includes forming a first schedule for a first vehicle to travel in a transportation network. The first schedule includes a first arrival time of the first vehicle at a scheduled location. The method also includes receiving a first trip plan for the first vehicle from an energy management system. The first trip plan is based on the first schedule and designates at least one of tractive efforts or braking efforts to be provided by the first vehicle to reduce at least one of an amount of energy consumed by the first vehicle or an amount of emissions generated by the first vehicle when the first vehicle travels through the transportation network to the scheduled location. The method further includes determining whether to modify the first schedule to avoid interfering with movement of one or more other vehicles by examining the trip plan for the first vehicle. | 06-06-2013 |
20130173094 | SYSTEM AND METHOD FOR RAIL VEHICLE CONTROL - A system for controlling a consist of at least first and second rail vehicles, the first and second vehicles being configured for receiving control signals via a communication link. The system includes a first control unit electrically coupled to the first rail vehicle, the first control unit being configured to receive signals representing a level of a non-propulsion consumable resource on-board the first rail vehicle and a second control unit electrically coupled to the second rail vehicle, the second control unit being configured to receive signals representing a level of a non-propulsion consumable resource on-board the second rail vehicle. The level of the non-propulsion consumable resource on-board the first rail vehicle and the level of the non-propulsion consumable resource on-board the second rail vehicle are shared across the communication link. | 07-04-2013 |
20130325258 | SYSTEM AND METHOD FOR CONTROLLING VELOCITY OF A VEHICLE - A control system includes an onboard controller, a location determination system, and a speed sensor. The controller identifies a designated area along a route that includes a downhill section, an airflow restricted area, a banked section, a section to be cleaned, an adverse environmental area, an adverse vehicular condition area, and/or a section where travel is restricted. The designated area is associated with an operating rule that requires the vehicle to travel at least as fast as a lower speed limit. The location determination system monitors actual locations of the vehicle as the vehicle travels along the route. The speed sensor obtains speed data representative of an actual velocity of the vehicle. The controller restricts control of the vehicle such that the actual velocity of the vehicle is at least as fast as the lower speed limit of the designated area when the vehicle is in the designated area. | 12-05-2013 |
20140058570 | INTEGRATED FRICTION MANAGEMENT SYSTEM - A system includes a vehicle control system, a friction modification unit, and a friction management module. The vehicle control system is configured to obtain a trip plan for the vehicle. The trip plan is based on one or more characteristics of a trip of the vehicle along a route in a transportation network, characteristics of the vehicle, or characteristics of the route along which the vehicle travels. The trip plan designates one or more tractive operations or braking operations. The friction modification unit is configured to modify a friction characteristic of a surface of the route as the vehicle travels on the route. The friction management module is configured to direct the friction modification unit to modify the friction characteristic of the surface of the route based on the trip plan. | 02-27-2014 |
20140136025 | Transportation Network Scheduling System And Method - A method includes forming a first schedule for a first vehicle to travel in a transportation network. The first schedule includes a first arrival time of the first vehicle at a scheduled location. The method also includes receiving a first trip plan for the first vehicle from an energy management system. The first trip plan is based on the first schedule and designates at least one of tractive efforts or braking efforts to be provided by the first vehicle to reduce at least one of an amount of energy consumed by the first vehicle or an amount of emissions generated by the first vehicle when the first vehicle travels through the transportation network to the scheduled location. The method further includes determining whether to modify the first schedule to avoid interfering with movement of one or more other vehicles by examining the trip plan for the first vehicle. | 05-15-2014 |
Patent application number | Description | Published |
20120245766 | CONTROL SYSTEM AND METHOD FOR REMOTELY ISOLATING POWERED UNITS IN A VEHICLE SYSTEM - A control system includes an energy management system and an isolation control system. The energy management system generates a trip plan that designates operational settings of a vehicle system having powered units that generate tractive effort to propel the vehicle system. The energy management system determines a tractive effort capability of the vehicle system and a demanded tractive effort of a trip. The energy management system identifies a tractive effort difference between the tractive effort capability of the vehicle system and the demanded tractive effort of the trip and selects at least one of the powered units based on the tractive effort difference. The isolation module remotely turns the selected powered unit to an OFF mode such that the vehicle system is propelled along the route during the trip by the powered units other than the selected powered unit. | 09-27-2012 |
20120296545 | CONTROL SYSTEM AND METHOD FOR REMOTELY ISOLATING POWERED UNITS IN A VEHICLE SYSTEM - A method for controlling a vehicle system includes controlling a vehicle system having powered units that propel the vehicle system. A trip plan directs at least one of the powered units to remain in a non-propulsion generating mode during the trip. The method further includes slowing and/or stopping the vehicle system in contravention to the first trip plan, activating the at least one of the powered units out of the non-propulsion generating mode into an active, propulsion-generating mode when the vehicle system accelerates after the at least one of slowing or stopping in contravention to the first trip plan, and switching the at least one of the powered units back to the non-propulsion generating mode after the vehicle system achieves a designated speed following accelerating after the at least one of the slowing or stopping of the vehicle system in contravention to the first trip plan. | 11-22-2012 |
20130168503 | DETECTION SYSTEM AND METHOD FOR RAIL VEHICLE - A detection system for a rail vehicle includes a control module, which has a sensor, input for receiving a signal from a sensor. The control module is configured to receive the signal and to output information responsive to the signal. In operation, the control module and a sensor are deployed on board the rail vehicle. The sensor is configured to generate the signal responsive to detecting a designated condition on board the rail vehicle. When the condition occurs, the sensor outputs the signal, which is received by the control module. Responsive to the signal, the control module outputs the information, such as communicating information of the signal content to another rail vehicle, or to an off board location. The designated condition may be unauthorized use of a handheld wireless device in a rail vehicle, or intruder entry into an unmanned rail vehicle. | 07-04-2013 |
20130173083 | METHODS AND SYSTEMS FOR ENERGY MANAGEMENT WITHIN A TRANSPORTATION NETWORK - A method includes determining whether use of an energy management system (EMS) associated with a vehicle traveling in a transportation network is allowed within a region of the transportation network. The EMS obtains a trip plan for the vehicle that designates operational settings of the vehicle as a function of at least one of distance or time along a trip of the vehicle. The method also includes determining whether the EMS is being used by the vehicle when the vehicle is within the region, and sending a message to an off-board location when the EMS is not being used by the vehicle within the region. | 07-04-2013 |
20140094998 | CONTROL SYSTEM AND METHOD FOR REMOTELY ISOLATING POWERED UNITS IN A VEHICLE SYSTEM - A control system includes an energy management system and an isolation control system. The energy management system generates a trip plan that designates operational settings of a vehicle system having powered units that generate tractive effort to propel the vehicle system. The energy management system determines a tractive effort capability of the vehicle system and a demanded tractive effort of a trip. The energy management system identifies a tractive effort difference between the tractive effort capability of the vehicle system and the demanded tractive effort of the trip and selects at least one of the powered units based on the tractive effort difference. The isolation module remotely turns the selected powered unit to an OFF mode such that the vehicle system is propelled along the route during the trip by the powered units other than the selected powered unit. | 04-03-2014 |
20140107876 | SYSTEMS AND METHODS FOR OPERATING A VEHICLE SYSTEM IN RESPONSE TO A PLAN DEVIATION - A system including a vehicle control module configured to control a vehicle system according to an operating plan. The operating plan designates one or more first tractive operations or braking operations to be implemented by the vehicle system along a trip. The system also includes a planning module for generating a transition plan in response to a deviation from the operating plan. The transition plan designates one or more second tractive operations or braking operations to be implemented by the vehicle system as the vehicle system travels toward an approaching location from a second location where the vehicle system deviates from the operating plan. The planning module is further configured to generate a prospective plan in response to the deviation. The prospective plan to be implemented by the vehicle system when the vehicle system at least one of moves past the approaching location or completes the transition plan. | 04-17-2014 |
20140330460 | METHOD AND SYSTEM FOR CONTROLLING ENERGY DEMAND OF VEHICLES ON A NETWORK - A method includes monitoring an available amount of electrical energy on an electrical power grid for powering one or more loads at one time. The available amount of electrical energy represents an amount of electrical energy that may be consumed at one time without exceeding a grid capacity. The method also includes monitoring an electrical energy demand of plural electric vehicles traveling on a network of routes that includes one or more conductive pathways extending along the routes for delivering the electrical energy from the electrical power grid to the electric vehicles. The method further includes controlling movements of the electric vehicles such that the electrical energy demand of the electric vehicles does not exceed the available amount of electrical energy on the electrical power grid. | 11-06-2014 |
20150074013 | SYSTEM AND METHODS FOR ROUTE EFFICIENCY MAPPING - A system includes a simulation module and a mapping module. The simulation module is configured to simulate performance of a first mission over at least one route by a first vehicle, and to simulate the performance of the first mission using route information corresponding to one or more characteristics of the at least one route and vehicle information corresponding to one or more characteristics of the first vehicle. The simulation module is configured to determine performance characteristics for the first mission, with the performance characteristics including at least one fuel usage characteristic evaluated for plural sections of the at least one route. The mapping module is configured to provide a fuel efficiency map describing fuel usage along at least a portion of the at least one route using the performance characteristics determined by the simulation module. | 03-12-2015 |
20150076290 | DETECTION SYSTEM AND METHOD FOR RAIL VEHICLE - A detection system for a rail vehicle includes a control module, which has a sensor input for receiving a signal from a sensor. The control module is configured to receive the signal and to output information responsive to the signal. In operation, the control module and a sensor are deployed on board the rail vehicle. The sensor is configured to generate the signal responsive to detecting a designated condition on board the rail vehicle. When the condition occurs, the sensor outputs the signal, which is received by the control module. Responsive to the signal, the control module outputs the information, such as communicating information of the signal content to another rail vehicle, or to an off board location. The designated condition may be unauthorized use of a handheld wireless device in a rail vehicle, or intruder entry into an unmanned rail vehicle. | 03-19-2015 |
20150177012 | DISTRIBUTED ENERGY MANAGEMENT SYSTEM AND METHOD FOR A VEHICLE SYSTEM - A system and method for generating a trip plan for a vehicle system determine a first trip plan for a trip of a vehicle system from a first location to a second location over a first route that includes a first intersection with a second route. The first trip plan designates operational settings of the vehicle system. An alternate trip plan that extends along the second route from the first intersection to the second location of the trip of the vehicle system also is determined. The first and alternate trip plans are determined prior to the vehicle system reaching the first intersection. Movement of the vehicle system is controlled according to the first trip plan prior to the vehicle system reaching the first intersection and then controlled according to the alternate trip plan responsive to the vehicle system deviating from the first trip plan. | 06-25-2015 |
20150217790 | DATA COMMUNICATION SYSTEM AND METHOD - A system and method for communicating data obtain operational data associated with a control system of a vehicle consist. The operational data is obtained at a first vehicle of the consist. The operational data is communicated from the first vehicle to one or more second vehicles in the consist. Responsive to a loss of the operational data at the first vehicle, at least the operational data that was lost at the first vehicle can be communicated from one or more of the second vehicles to the first vehicle. Onboard the first vehicle, an operational capability of the consist to perform a movement event can be determined using the operational data that was lost at the first vehicle and that was communicated from the at least one of the one or more second vehicles to the first vehicle. | 08-06-2015 |
20150232097 | ENERGY MANAGEMENT SYSTEM AND METHOD FOR VEHICLE SYSTEMS - An energy management system and method for a vehicle system operate the vehicle system according to a current trip plan as the vehicle system travels along a route during a trip. The current trip plan designates operational settings of the vehicle system. The system and method also revise the current trip plan into a revised trip plan responsive to current, actual operation of the vehicle system differing from the current trip plan by at least a designated threshold amount. The revised trip plan designates operational settings of the vehicle system and includes an initial designated operational setting that matches the current, actual operation of the vehicle system. | 08-20-2015 |
20150338848 | SYSTEMS AND METHODS FOR HANDLING MALFUNCTIONS - A method comprises receiving an alarm state from one or more inspection systems that inspects one or more components of a vehicle system. The method then identifies operational parameters of the vehicle system. The operational parameters represent at least one of a current location of the vehicle system, a current terrain over which the vehicle system is currently travelling, an upcoming terrain that the vehicle system is travelling toward, a current moving speed of the vehicle system, a position of one or more controls of the vehicle system, a state of a brake of the vehicle system or an identification of one or more vehicle units in the vehicle system. The method then selects and implements a mitigating action to implement from plural different mitigating actions based on the alarm state and the one or more parameters of the vehicle. | 11-26-2015 |
20160090112 | VEHICLE CONTROL SYSTEM AND METHOD - A system and method for controlling a vehicle system control movement of the vehicle system along a route. The vehicle system includes one or more propulsion-generating vehicles. A propulsion-generating helper vehicle is temporarily added to the vehicle system such that the helper vehicle increases one or more of an amount of tractive force or an amount of braking effort generated by the vehicle system. The helper vehicle may be added during movement of the vehicle system. The system and method may add the helper vehicle without de-linking the propulsion-generating vehicles in the vehicle system from each other. The system and method optionally may control movement of the propulsion-generating vehicles and the helper vehicle according to a trip plan that designates operational settings as a function of at least one of time or distance along the route. | 03-31-2016 |
Patent application number | Description | Published |
20110093761 | SOLID STATE STORAGE ELEMENT AND METHOD - A method and system for storing and retrieving data using flash memory devices. One example system includes an apparatus within a flash memory configuration. The flash memory configuration includes a plurality of memory cells, where each memory cell has a charge storage capacity for use in implementing digital storage. The apparatus includes a processing arrangement configured to access each of the memory cells in a write operation and a read operation. The apparatus also includes an instruction set for instructing the processor to impose target charge levels for defining a plurality of data values for each of the memory cells. The target charge levels are programmably movable with respect to the charge storage capacity. | 04-21-2011 |
20120278684 | SOLID STATE STORAGE ELEMENT AND METHOD - A method and system for storing and retrieving data using flash memory devices. One example system includes an apparatus within a flash memory configuration. The flash memory configuration includes a plurality of memory cells, where each memory cell has a charge storage capacity for use in implementing digital storage. The apparatus includes a processing arrangement configured to access each of the memory cells in a write operation and a read operation. The apparatus also includes an instruction set for instructing the processor to impose target charge levels for defining a plurality of data values for each of the memory cells. The target charge levels are programmably movable with respect to the charge storage capacity. | 11-01-2012 |
20130188413 | APPARATUSES AND METHODS FOR READING AND/OR PROGRAMMING DATA IN MEMORY ARRAYS HAVING VARYING AVAILABLE STORAGE RANGES - Apparatuses and methods are disclosed, including methods for reading data from and programming data to an array of memory cells having varying available storage ranges. One such method involves determining a position of a determined value of a parameter within an available storage range of a selected memory cell of an array of memory cells. | 07-25-2013 |
20140189219 | SOLID STATE STORAGE ELEMENT AND METHOD - A method and system for storing and retrieving data using flash memory devices. One example system includes an apparatus within a flash memory configuration. The flash memory configuration includes a plurality of memory cells, where each memory cell has a charge storage capacity for use in implementing digital storage. The apparatus includes a processing arrangement configured to access each of the memory cells in a write operation and a read operation. The apparatus also includes an instruction set for instructing the processor to impose target charge levels for defining a plurality of data values for each of the memory cells. The target charge levels are programmably movable with respect to the charge storage capacity. | 07-03-2014 |
20150318047 | MEMORY DEVICES CONFIGURED TO APPLY DIFFERENT WEIGHTS TO DIFFERENT STRINGS OF MEMORY CELLS COUPLED TO A DATA LINE AND METHODS - Memory devices and methods are disclosed. One such method compares input data to stored data in a memory device and includes applying a first weight factor to a first string of memory cells coupled to a data line, where a first bit of the stored data is stored in the first string of memory cells; applying a second weight factor to a second string of memory cells coupled to the data line, where a second bit of the stored data is stored in the second string of memory cells; comparing a first bit of input data to the first bit of the stored data while the first weight factor is applied to the first string of memory cells; and comparing a second bit of the input data to the second bit of the stored data while the second weight factor is applied to the second string of memory cells. | 11-05-2015 |
Patent application number | Description | Published |
20140132047 | BICYCLE SEAT - Among other things, a structure supports the ischial tubularities of a user of a device to which the structure is attached, while gravity is applying a downward force on the ischial tubularities and the user's legs are engaged in motion during which forces are being applied that tend to cause the user's respective ischial tubularities to move relative to a frame of the device. The structure includes two buttock supports having surfaces against which the bottom surfaces of the user's respective buttocks bear during the motion. A mechanism connects the two buttock supports to the frame of the device to permit simultaneously (1) free motion of the two buttock supports (a) up and down relative to a frame of the device and (b) back and forth relative to the frame of the device and (2) free variation of the angular orientations of the bottom surfaces of the user's buttocks back and forth, relative to a hypothetical horizontal plane that is fixed relative to the frame of the device. | 05-15-2014 |
20140333102 | IN BICYCLE SEAT - Among other things, a compliant element is configured to attach a seat of a device on which a user pedals to a frame of the device. The compliant element has a stiffness that is small enough to permit substantially unimpeded rocking of the seat relative to the frame in a plane in which the spine and pelvic bone of the user lie when the user is on the seat, and is large enough to maintain the seat in a substantially horizontal plane when the user is not on the seat. | 11-13-2014 |
20150191207 | BICYCLE SEAT - Among other things, a structure supports the ischial tubularities of a user of a device to which the structure is attached, while gravity is applying a downward force on the ischial tubularities and the user's legs are engaged in motion during which forces are being applied that tend to cause the user's respective ischial tubularities to move relative to a frame of the device. The structure includes two buttock supports having surfaces against which the bottom surfaces of the user's respective buttocks bear during the motion. A mechanism connects the two buttock supports to the frame of the device to permit simultaneously (1) free motion of the two buttock supports (a) up and down relative to a frame of the device and (b) back and forth relative to the frame of the device and (2) free variation of the angular orientations of the bottom surfaces of the user's buttocks back and forth, relative to a hypothetical horizontal plane that is fixed relative to the frame of the device. | 07-09-2015 |
20160096568 | BICYCLE SEAT - Among other things, a structure supports the ischial tubularities of a user of a device to which the structure is attached, while gravity is applying a downward force on the ischial tubularities and the user's legs are engaged in motion during which forces are being applied that tend to cause the user's respective ischial tubularities to move relative to a frame of the device. The structure includes two buttock supports having surfaces against which the bottom surfaces of the user's respective buttocks bear during the motion. A mechanism connects the two buttock supports to the frame of the device to permit simultaneously (1) free motion of the two buttock supports (a) up and down relative to a frame of the device and (b) back and forth relative to the frame of the device and (2) free variation of the angular orientations of the bottom surfaces of the user's buttocks back and forth, relative to a hypothetical horizontal plane that is fixed relative to the frame of the device. | 04-07-2016 |