86results about How to "Feedback is intuitive" patented technology

A wireless communication system includes a transmitter and a receiver. The transmitter includes multiple groups of transmit antennas. Input symbols are generated and then orthogonal space-time block is encoded to produce a data stream for each group of transmit antennas. Each data stream is adaptively linear space encoded to produce an encoded signal for each transmit antenna of each group according to feedback information for the group. The receiver includes a single receive antenna, a module for measuring a phase of a channel impulse response for each transmit antenna. The feedback information is determined independently for each group of transmit antennas from the channel impulse responses. The feedback information for each group of transmit antennas is sent to the transmitter.

The invention discloses a cooperative control system for a catheter and a guidewire for a vascular intervention operation robot. The system comprises a main terminal subsystem and a secondary terminalsubsystem, the catheter and the guidewire can be synchronously controlled to achieve cooperative operation; a cooperative control method for the catheter and the guidewire for the vascular intervention operation robot comprises the steps of detection for operation information of a doctor through a main operator; transmission of axial moving information of the catheter and the guidewire and rotarydistance information; intervention executed by the operator; detection for stress of the operator; a collecting process of the operation information; a force feedback process of the main operator; the system is in accord with operation habits of the doctor, the operation method can be easily implemented, the accuracy is high, and the system is simple and stable in structure.

A master end operator device of a master slave minimal invasive blood vessel interventional surgical assistant system is characterized by comprising an axial force feedback damper unit, a torsion feedback output unit, a clamp unit, an operation information unit, a catheter, a linear guide rail and a height-adjustable base; a work method of the device comprises detection, transmission, processing and action of signals; the device has the advantages that the catheter is directly operated, and the ergonomic demands are met; real-time and intuitive feedback is realized, and the surgical safety and operation demands of a doctor are met; axial operation information is obtained by a friction-free magnetic induction mode, and efficiency is realized without adding the load; the height is adjustable.

A wireless power transfer component with a selectively adjustable resonator circuit having a Q control subcircuit that varies the Q factor of the resonator circuit to control the amount of power relayed by the resonator circuit. The resonator circuit may be in the wireless power supply, the wireless power receiver, an intermediate resonator or any combination thereof. The resonator circuit may be actively configured based on a feedback circuit. The feedback circuit may sense a characteristic in the secondary circuit or elsewhere and actively operate the control subcircuit based on the sensed characteristic. The feedback circuit may cause the Q control subcircuit to change (reduce or increase) the Q factor when the sensed characteristic crosses a threshold value. The Q control subcircuit may include a variable resistor having a value that can be varied to adjust the Q factor of the resonator circuit.

At least one system and at least one method permit a clinician to view or hear power consumption data during a Spinal Cord Stimulation (SCS) system fitting procedure. For example, a clinician's programming computer includes a display of power consumption for each effective stimulation configuration under evaluation during fitting. A clinician performing the fitting procedure uses a programming computer to select various stimulation configurations. The power consumption of the SCS configuration(s) presently and/or previously exercised is displayed for the clinician. By comparing the power consumption for each configuration, the clinician may select a configuration consuming less power while providing effective therapy. Suggestions for low power configurations may be provided by the programming computer.

According to example configurations herein, a power supply control circuit includes an emulator circuit. The emulator circuit includes: i) a first input to receive a first input value, the first input value indicating a magnitude of an input voltage used by a power supply circuit to produce an output voltage to power a respective load, and ii) a second input to receive a second input value, the second input value indicating a magnitude of the output voltage produced by the power supply circuit. The current emulator circuit uses the magnitude of the input voltage and the magnitude of the output voltage to emulate current flowing through the inductor of the power supply circuit. The emulated current flow represents an actual current supplied by the inductor to the load. The power supply control circuit uses the emulated current flowing through the inductor to control the magnitude of the output voltage within a desired range.

The invention provides a pressure touch control feedback method, device and terminal; the pressure touch control feedback method comprises the following steps: receiving pressure touch control operation on a terminal display by a user; obtaining touch control information of the pressure touch control operation; determining feedback information corresponding to the touch control information; displaying the feedback information on the terminal display. By using the method and device, the user can have quantification cognition on the touch control pressure through the feedback information displayed on the terminal display; on one hand, the user can learn and improve the touch control operation, and on the other hand, a pressure touch control quantification system can be set up according to user behaviors, thus improving user experience.

A method of programming a Universal Remote Control is described. A user is requested to execute a command sequence comprising more than one command from an original Remote Control for controlling a device (306). The commands from said sequence are captured and analyzed (308). The analyzed commands are matched with a code-set or branches of a code-tree data base (310). The command sequence is used for generating a macro for executing an activity including the device (316).

An operation device, includes: a touch sensor; a deriving unit that acquires information representing a point on the touch sensor subjected to an operation, and derives an amount of the operation on the basis of the point information; and a tactile sensation giving unit that gives a tactile sensation to an operator, in which the tactile sensation giving unit gives a first tactile sensation at intervals of a first operation amount from an operation start point.

A feedback and protection circuit is provided for detecting voltage and current of a cold cathode fluorescent lamp (CCFL) of a liquid crystal display (LCD) panel backlight apparatus and integrating all voltage and current input signals to output single current and voltage feedback signals to a PWM controller, so as to stabilize and control the voltage and current of the CCFL and determine whether any detected input signal is abnormal. If any CCFL is short circuited (CCFL is touched by people) or open circuited (CCFL is not lit), an abnormal status protection signal will be produced and sent to the PWM controller to stop all outputs of the backlight apparatus to prevent damages to circuit components or injuries to people. The circuit is designed in an integrated circuit to achieve the effects of reducing the area occupied by the circuit component layout and lowering the overall cost.

The embodiment of the invention provides an alarm method and electronic device for an abnormal working condition of a coal cutter, and a medium. The method comprises: an image base including a plurality of sample images is constructed; a to-be-detected image is obtained, wherein the to-be-detected image is a collected image with a coal cutter roller position of the current working state of a coalcutter recorded; and a similarity distance between a color feature of a certain sample image and a color feature of the to-be-detected image is smaller than a first threshold, first-order alarming ofworking condition abnormity of the coal cutter is triggered. On the basis of the color feature, a similarity distance between the to-be-detected image and each sample image is calculated; if the similarity distance between the to-be-detected image and the sample image with the shortest similarity distance is smaller than a first threshold, alarming of working condition abnormity of the coal cutteris triggered. Therefore, the abnormal position of the coal cutter roller is detected accurately and the corresponding abnormity of the working condition of the coal cutter is alarmed.

The invention relates to man-machine interaction feedback equipment and method based on writing. The equipment comprises a terminal communication module, a terminal processing module and a display module, wherein the terminal communication module is used for receiving writing track information of a user, the terminal processing module is used for generating corresponding character information according to the writing track information and comparing the generated character information with stored corresponding character information to obtain a comparison result, and the display module is used for displaying the generated character information and the comparison result. Due to the fact that the writing track information of the user is obtained and transmitted to the man-machine interaction feedback equipment with a display function, character information of writing is represented, and meanwhile the represented character information of writing is compared with the corresponding character information stored in the man-machine interaction feedback equipment to obtain a comparison result and display the result to the user, so that a writing exercise result of the user can be quickly, accurately and visually fed back to the user, meanwhile the exercise effect of the user is improved, and user experience is improved.

The invention relates to an object recognition method based on V2X communication equipment. The method is used for recognizing a temporarily invisible object on a road by using a main view point in movement, and comprises the steps of acquiring the image of the object with the aid of a visual imaging system of the other auxiliary view point on the road, and using the image to determine the seriesof position coordinates of the object tendency under the auxiliary view point; sending the series of position coordinates of the object tendency under the auxiliary view point to the main view point with the aid of the V2X communication equipment of the auxiliary view point; computing the relative position coordinate of the main view point relative to the auxiliary view point; based on the relative position coordinate, converting the series of position coordinates of the object tendency under the auxiliary view point into the series of position coordinates under the main view point; and displaying the object tendency on a display of the main view point based on the series of position coordinates of the object under the main view point.

The present invention discloses a de-jittering method for a clock signal, which is implemented by adopting a controllable frequency divider and includes: taking the clock signal to be de-jittered as a reference signal, and comparing a feedback clock signal outputted by the controllable frequency divider with the reference signal; generating the control signal that is then transmitted to the controllable frequency divider; the controllable frequency divider performs frequency division upon the input high-frequency signal to generate a stable clock, and the stable clock is outputted as the feedback clock signal which has been de-jittered. The present invention also discloses a de-jittering apparatus for implementing the above-mentioned method, which includes: a circuit for generating a control signal and a controllable frequency divider. By applying the present invention, the de-jittering circuit for clock signal can be simple. What's more, transition between T1 clock frequency and E1 clock frequency can also be implemented to meet practical requirements better.

The invention discloses a hardware-in-the-loop simulation test bench for an automobile AFS. The hardware-in-the-loop simulation test bench comprises a host computer system with a built-in vehicle dynamics simulation subsystem and a built-in communication and sensor signal reproduction collection subsystem. The vehicle dynamics simulation subsystem is used for calculating vehicle travelling state data under all kinds of road conditions, and the communication and sensor signal reproduction collection subsystem is used for receiving the calculated data of the vehicle dynamics simulation subsystem, converting the data to a sensor signal, sending the sensor signal to the AFS, simultaneously collecting the feedback signal from the AFS and displaying and storing the data. The hardware-in-the-loop simulation test bench of the invention can be used in all kinds of tests for an automobile AFS, solves the problems of high danger coefficient, high cost, long period and poor repeatability in automobile installation and tests in the later stage of the development of an automobile AFS so that the hardware-in-the-loop simulation test bench lays an necessary basis for control strategy research and algorithm design verification of an AFS.

The present invention is directed to joint decision feedback equalizer (DFE) and Trellis decoder adaptable to an Ethernet transceiver. A Trellis coded modulation (TCM) decoder includes a one-dimensional branch metric unit (1D-BMU) configured to calculate 1D branch metrics; a four-dimensional branch metric unit (4D-BMU) configured to combine the 1D branch metrics to generate 4D branch metrics; an add-compare-select unit (ACSU) configured to perform add, compare and select (ACS) operations on the 4D branch metrics for each state to obtain path metrics; and a survivor memory unit (SMU) configured to store and keep track of symbols. A decision feedback unit (DFU) is coupled to receive the symbols from the SMU in order to estimate inter-symbol interference (ISI) quantity, which is then fed back to the 1D-BMU.

The invention relates to a continuous-time delta-sigma analog digital converter for converting an analog input signal (Vin) to a digital output signal (Vout), comprising an analog filter (20), which filters the analog input signal and has at least one integration capacitor (C1, C2, C3), a cycled quantifier (30) which quantifies the filtered analog signal output by the analog filter (20) for generating the digital output signal (Vout), and a feedback device (40) with at least one digital analog converter (42, 44), which supplies at least one analog feedback signal to the analog filter (20) on the basis of the digital output signal (Vout). To simplify the feedback without adversely affecting the converter stability and power consumption, provision is made, according to the invention, for the feedback device (40) for generating a feedback signal corresponding to the differentiated output signal of the quantifier, to comprise a switching device (46) actuated by the digital output signal (Vout) of the quantifier (30) and coupled capacitively to the integration capacitor (C3), by means of which device (46) corresponding charge portions are transmitted to the integration capacitor (C3) when there is a variation in the digital output signal (Vout).

A variable speed drive for an electrostatic motor provides feedback control by conversion of measured current phases provided to the motor into a vector in a rotating rotor framework. This vector is used for evaluating corrective voltages and then reconverted to a non-rotating framework for application to the motor electrodes. Current-source drive circuits provide current stabilized outputs making such sophisticated control tractable.

A variable speed drive for an electrostatic motor provides feedback control by conversion of measured current phases provided to the motor into a vector in a rotating rotor framework. This vector is used for evaluating corrective voltages and then reconverted to a non-rotating framework for application to the motor electrodes. Current-source drive circuits provide current stabilized outputs making such sophisticated control tractable.

Feedback reduction in hearing aids is simplified and improved in an amplification device that has two separate compensation paths, an acoustic input and an inductive input. In the first compensation path, a first filter device acts to compensate acoustic feedback, and in the second compensation path, a second filter device acts to compensate inductive feedback. The two very different feedbacks can be individually compensated without increased outlay.

An overdrive circuit (20) for a display panel (1) comprising a pixel (10) having inertia further comprises a table look up circuit (24) or a function circuit (24) which receives a start value (SV) and a desired value (DV) being either an input value (IV) indicating an image to be displayed, or a clipped value (CV) and which supplies an overdrive value (OV) to the pixel (10). A substituting circuit (30) substitutes the input value (IV) by a reachable response within one predetermined period (Tf) starting from the start value (SV) to obtain the clipped value (CV). A memory (23) receives the clipped value (CV) to supply the start value (SV) which is the clipped value (CV) delayed over the one predetermined period (Tf). The substituting circuit (30) comprises a table look up circuit or a function circuit (22) which indicates for the start value (SV) a corresponding minimum value (MI) reached from the start value (SV) within one predetermined period (Tf) if a minimum drive value (MID) is applied to the pixel (10), and a corresponding maximum value (MS) reached from the start value (SV) within one predetermined period (Tf) if a maximum drive value (MAD) is applied to the pixel (10).