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| Number | Title | Issue Date |
| 7933666 | Adjustable data collection rate for embedded historians Systems and methods that can vary a data collection rate via a rate adjustment component, to collect data with different level of granularity. The rate adjustment component can further include an estimation component that can automatically predict a required samplin... | 04/26/2011 |
| 7412459 | Dynamic mobile CD music attributes database Handheld CD (compact disc) players are described. In one instance, a handheld CD player includes a CD drive to receive a CD and to determine a CD identification from the CD and a media slot to receive a portable memory card having a database. The handheld CD player ... | 08/12/2008 |
| 7296103 | Method and system for dynamically selecting wafer lots for metrology processing The present invention is generally directed to various methods and systems for dynamically controlling metrology work in progress. In one illustrative embodiment, the method comprises providing a metrology control unit that is adapted to control metrology work flow ... | 11/13/2007 |
| 7247786 | Song selection apparatus and method A song selection device stores song characteristic quantities of a plurality of songs. A user operates the song selection device to enter personal properties and a sensibility word. The song selection device selects a song having a song characteristic quantity corre... | 07/24/2007 |
| 7231266 | Digital control device and program A digital control device for tracking a sine wave according to the present invention has a compensator, a control object and a feedback gain. An input into the compensator is a signal obtained by subtracting a control quantity from a reference value. An input into t... | 06/12/2007 |
| 7211982 | Variable-structure diagnostics approach achieving optimized low-frequency data sampling for EMA motoring subsystem The present invention provides a diagnostics methodology and embedded electronic system that allows optimized low-frequency data sampling for EMA motoring subsystems in an operating vehicle. Each of the EMA motoring subsystems includes: an EMA; at least one motor fo... | 05/01/2007 |
| 7132766 | Method and apparatus for providing a switching signal in the presence of noise A technique for controlling a switching circuit, such as a relay, includes one or more sensing circuits that generate signals based upon the presence of an actuating object and upon a randomly applied strobe signal. The generated signals are sampled and are used as ... | 11/07/2006 |
| 7076321 | Method and system for dynamically adjusting metrology sampling based upon available metrology capacity The present invention is generally directed to various methods and systems for dynamically adjusting metrology sampling based upon available metrology capacity. In one illustrative embodiment, the method comprises providing a metrology control unit that is adapted t... | 07/11/2006 |
| 7043340 | Protection system for power distribution systems A protection system for a power distribution system is provided. The protection system includes a central computer, a plurality of data modules, and a data network. The data modules are each in communication with a different circuit breaker of the power distribution... | 05/09/2006 |
| 6922593 | Control of items in a complex system by using fluid models and solving continuous linear programs A method and apparatus for the control of a system comprising of a plurality of items through the scheduling of actions and the allocation of resources is disclosed. Primary areas of utility include manufacturing systems, city wide vehicle traffic control, multiple ... | 07/26/2005 |
| 6892111 | Control system of machine tool Functional blocks (a numerical control unit 22, servo control unit 26, PLC control unit 24, sizing control unit 23, sampling control unit 25, and display control unit 21) carry out their respective functions of control proce... | 05/10/2005 |
| 6868294 | Feedback control method in V-shaped characteristic system, and NH3 injection rate control method for NOx removal apparatus using the same In the NH3 injection rate control method for an NOx removal apparatus, operating area of the apparatus is divided into first area in which molar ratio of NH3 injection rate with respect to NOx flow rate at an inlet of the ... | 03/15/2005 |
| 6819964 | Automated closed loop step testing of process units A multivariable process controller controls a chemical, polymer or other physical process. Slow tuning and over-conservative controlled variable values are employed during step testing. While all controlled process variables are within safe limits, only one manipula... | 11/16/2004 |
| 6778865 | Method and device for monitoring and controlling appliances and installations with a bi-or multifunctional operating range A Method and apparatus for monitoring and controlling appliances and systems having a two-dimensional or multidimensional operating envelope. A map of the operating envelope or of a part of it onto a unit domain or the operating envelope of another appliance is used... | 08/17/2004 |
| 6760631 | Multivariable control method and system without detailed prediction model A multivariable control method and system suitable for manipulating process variables based on observed changes in controlled objectives without extensive data analysis or involved model development. The method includes operating the process at an initial set of pro... | 07/06/2004 |
| 6754542 | Control arithmetic apparatus and method A control arithmetic device includes a subtracting section, disturbance application detecting section, error correction amount calculating section, error correction amount convergence calculating section, and control arithmetic section. The subtracting section calcu... | 06/22/2004 |
| 6671755 | System for data capture from a rotor A data capture system (1) has modular amplifier circuits (10) connected to modular capture circuits (11) within a rotor 2. Each capture circuit (11) has an FPGA (26) operation according to low-frequency and high-frequency state machines (M1, M2) to contro... | 12/30/2003 |
| 6662058 | Adaptive predictive expert control system An adaptive predictive expert control system for controlling single-input single-output, or multi-variable time-variant processes with known or unknown parameters and with or without time delay, is disclosed. The adaptive predictive expert control system ... | 12/09/2003 |
| 6628995 | Method and system for variable flight data collection Aircraft flight data collection is enhanced by changing the data sampling rate as a function of an operational condition of the aircraft, such as its flight phase. An algorithm is used to determine the flight phase. Then, the data is collected at a first ... | 09/30/2003 |
| 6591149 | Method for prescribing a ramp by a clock-pulse-controlled quantity In a method for prescribing an essentially linear ramp with a prescribable slope by a quantity, and which is clock-pulse-controlled and which describes the ramp by an increment per clock interval, the ramp is described by a number of regular increments an... | 07/08/2003 |
| 6571135 | Control unit for controlling a system with several coupled variables For controlling multivariable systems, a control unit for controlling a system with several coupled control variables. The control unit includes controllers (10, 11) having associated control variables (x1, x2) as well as a decouplin... | 05/27/2003 |
| 6556877 | Timed multi-function digital interface In a data processing system a method and apparatus is provided for discriminating between digital signals of a plurality of different rates by monitoring the pulse width and repetition rate of such signals. The digital signals are continuously monitored t... | 04/29/2003 |
| 6532391 | Automatic gain control device and method for base band signaling in communications A network receiver is configured for receiving a base band carrier signal from another network transceiver via a network medium. A variable gain amplifier generates an amplified base band signal. An A/D converter generates a sequence of sample values repr... | 03/11/2003 |
| 6519496 | Feedback controller, digital filter device, and storage device An apparatus has an input hold circuit for sequentially holding digital feedback signals sequentially transmitted at a sampling period, and for sequentially outputting the transmitted feedback signals or held feedback signals at a period which is shorter ... | 02/11/2003 |
| 6415206 | Method for determining a minimal set of rotor blade adjustments A method for determining a minimal set of adjustments for the blades of a rotor supported by a supporting structure for reducing rotation-induced vibration in the supporting structure at at least one harmonic rotation order and/or for reducing track devia... | 07/02/2002 |
| 6314329 | Compensation algorithm for initializing yaw rate sensor's zero point offset When a motor vehicle is not in motion, an algorithm for establishing the initial zero point offset values for a yaw rate sensor as may be used in motor vehicle software control systems. The initial values are the manufactured values and are downloaded int... | 11/06/2001 |
| 6104964 | Processing rate calculation apparatus, a processing rate calculation method, and a computer readable recording medium having thereon a processing rate calculation program A processing result storage device stores data on the results of an etching apparatus having processed a product. An apparatus property storage device stores data which indicate the property of the etching apparatus as processing property data. A process ... | 08/15/2000 |
| 6052626 | Parametric analyzing method for calculating light intensity The order of optical conditions and mask conditions necessary required in a photolithography process to be varied is designated so as to minimize the number of recalculations for a transmission cross-coefficient and a Fourier transform of a mask. The cond... | 04/18/2000 |
| 5978746 | Method and apparatus for determining a physical parameter represented by variation in time of a physical magnitude A physical parameter represented by variation in time of a physical magnitude G capable of varying between a minimum value Gmin and a maximum value Gmax is determined. The physical magnitude G is measured at variable time intervals r... | 11/02/1999 |
| 5959862 | Variable-rate data entry control device and control method When the number of pieces of data which are operated on by an operation unit per unit time is N times the number of pieces of data entered into a data entry section per unit time and the operation unit performs an operation on a data set consisting of K s... | 09/28/1999 |
| 5886842 | Control loops for low power, high speed PRML sampling data detection channel A power-reduced digital control within a feedback control loop of a sampling data detection channel controls a predetermined operating parameter of the channel in which an analog to digital converter provides digital samples of information in the channel ... | 03/23/1999 |
| 5481182 | Up/down spectrum scaling of signals A system for scaling down the spectrum of a composite signal by a factor in real time to a lower frequency, or for scaling up the spectrum of a composite signal by a factor in real time to a higher frequency is described. The spectrum up conversion and do... | 01/02/1996 |
| 5375067 | Method and apparatus for adjustment of acquisition parameters in a data acquisition system such as a digital oscilloscope A data acquisition system such as a digital oscilloscope includes a central processing unit which controls the waveform memory, analog to digital converter, trigger generator, and display to automatically adjust the acquisition parameters to optimal value... | 12/20/1994 |
| 5367699 | Central processing unit incorporation selectable, precisa ratio, speed of execution derating In order to obtain precise submodel control in a central processing unit, there is provided a subcounter which is controlled to count up from a beginning count as an instruction is executed and to count back down at the same rate to the reference count to... | 11/22/1994 |
| 5291391 | Fast programmable scan logic controller method and apparatus A programmable controller is disclosed for the purpose of controlling devices such as machine tools and other machinery, and which is often mated with a host computer numerical controller. The programmable controller is configured such that certain user-d... | 03/01/1994 |
| 5268625 | Adaptive control servosystems A servosystem comprising an adaptive digital controller (1) with an input signal (rt), an output control signal (ut) to the system (2) being controlled, and an input feedback signal (yt) from the system being controlled, t... | 12/07/1993 |
| 4954980 | High speed input/output module and programmable logic control device A programmable logic control (PLC) device for executing a logical operation process of a sequence for program. The PLC device includes a PLC control unit (10) and a high speed input/output module (20) capable of executing a logical operation at a high spe... | 09/04/1990 |
| 4903021 | Signal encoding/decoding employing quasi-random sampling A signal transmission system and method is provided in which analog signals are sampled quasi-randomly and the samples stored. The samples are thereafter retrieved with an equal interval between them and transmitted. At the receiver, the transmitted sampl... | 02/20/1990 |
| 4864301 | Variable speed transmission recording and retrieval of data An analog communication system includes a transmitter and at least one remote receiver for receiving an incoming signal carrying an analog component from a suitable transmitter. The transmitter and receiver are provided with circuitry for transmitting, re... | 09/05/1989 |
| 4862385 | Monitoring data display device An apparatus for displaying monitoring data of a continuously varying operation condition of a drive mechanism driven by an actuator, in which data of one operation cycle of the drive mechanism is detected preliminarily as reference data and displayed on ... | 08/29/1989 |
