30 results about "Testing stimulus" patented technology

The present disclosure involves systems and methods of programming electrical stimulation therapy for a patient. A communications link is established with a pulse generator that is configured to generate electrical stimulation pulses. An intermittent electrical coupling between the pulse generator and a diagnostic tool is simulated. This simulation is performed by instructing, for a plurality of cycles, the pulse generator to automatically turn on and off the generation of electrical stimulation pulses. Each cycle includes a first time period and a second time period following the first time period. The simulating includes: instructing the pulse generator to generate the electrical stimulation pulses during the first time period; and instructing the pulse generator to stop generating the electrical stimulation pulses during the second time period.

The invention relates to a composite nervous action potential tuning curve calibration and detection system. The composite nervous action potential tuning curve calibration and detection system is characterized by comprising a computer, an acoustic card, an acoustic sensor, a preamplifier, an electrode, a high-impedance input level, a bioelectric amplifier and earplugs. An audition testing platform is arranged in the computer and comprises a testing executing system and an acoustic card driving system, wherein the testing executing system comprises a plurality of calibration and detection modules. A system calibration and debugging module is used for calibrating and debugging the acoustic card and sensitivity of the acoustic sensor. An acoustic sensor position calibrating module is used for calibrating a position of the acoustic sensor testing an external auditory canal of an animal. An electrode position calibrating module is used for calibrating whether a recording electrode is disposed to testing round window membranes in the animal ears or not. A composite nervous action potential threshold curve detection module is used for testing stimulus intensity thresholds of composite nervous action potentials. A composite nervous action potential tuning curve detection module is used for detecting composite nervous action potential tuning curves. The composite nervous action potential tuning curve calibration and detection system can be widely applied to auditory detection.

The invention discloses a testing shell suitable for an on-chip network embedded type IP core and belongs to the technical field of embedded type IP core testing. The testing shell suitable for the on-chip network embedded type IP core comprises a parallel input port, a parallel bypass temporary storage, a parallel output port, a serial input port, a serial bypass temporary storage, a serial output port, a testing control temporary storage, a first multiplexer, a parallel testing response comparator, a serial testing response comparator, a correct testing response signal parallel input port and a correct testing response signal serial input port. Testing stimulus and correct testing response are simultaneously sent in an IP core to be tested, only one data sub-package is needed to complete testing, and the transmitting data size can be effectively reduced for a multicast transmission mode.

Systems, methods, and apparatuses may be used to test devices using a portable device. A portable device is a tablet computer, a smart phone, or other type of device. In embodiments, the different components of the portable device are utilized to perform tests on a medical device such as a hearing prosthesis or other type of medical device. For example, portable device components such as accelerometers, magnetometers, gyroscopes, microphones, speakers, etc. are used to provide testing stimuli and / or record the responses from the hearing prosthesis to the testing stimuli. The portable device is used to generate testing stimulus and record the response from the device being tested using the various components of the portable device. Analysis of the output of the medical device can be performed to determine a remedy to improve operation of the device.

Methods and apparatus for verifying operability of a neurophysiological-based control system include generating a test stimulus that will result in a predetermined neurophysiological response in a user. Neurophysiological brain activity signals obtained from the user in response to the test stimulus are processed to generate a test neurophysiological response. The test neurophysiological response and a predetermined neurophysiological response are compared to determine if the neurophysiological-based control system is operating properly.

A robotic system includes retrieval of a priori stimulus based on an input that indicates a current health state and a target health state of a user. A set of test stimuli specific for the user is determined and a stimulus device is controlled to provide the set of test stimuli to the user. A first set of responses within the body of the user and a second set of responses discernible on the body of the user are determined, and a set of stimulus parameters for the stimulus device is calibrated based on the combination of the first set of responses, the second set of responses, the current health state, the target health state, and a trained AI-based system. A new stimulus is applied to a portion of the body of the user that shifts a condition of the user from the current health state towards the target health state.

An external contact center testing system is integrated with an internal monitoring and diagnostic system to identify and verify a fault condition, and to determine the cause of such fault condition. Test data for each of the stimuli launched into the call center from the external testing system are synced with the monitoring results data generated by the internal monitoring system. The synced results can be analyzed to verify that a true fault has occurred and also to identify both failure conditions and specific hardware malfunctions giving rise to the noted failure. The internal monitoring system can interface with the external testing system to cause one or more testing stimuli to be launched by external testing system. The internal monitoring data can also be linked to the external testing data for drill-down viewing by a user.

A high-linearity testing stimulus signal generator comprises a signal collection unit receiving an input current signal, a waveform conversion unit connecting with the signal collection unit, a first voltage-to-current conversion unit connecting with the waveform conversion unit, a delay unit connecting with the waveform conversion unit, a second voltage-to-current conversion unit connecting with the delay unit, a current comparison unit connecting respectively with the first voltage-to-current conversion unit and the second voltage-to-current conversion unit, an error calculation unit connecting with the current comparison unit, and a compensation unit connecting with the error calculation unit. The above-mentioned structure forms a feedback mechanism to perform compensation adjustment to promote the linearity of the output signals. Thus, the present invention can generate high-accuracy testing stimulus signals.

A method of outputting a warning indicative of potential migraine onset includes controlling a display of an electronic device to display, to a user, test stimuli of at least one spatial visual contextual test that is a perceptual analogue of centre-surround neuronal responses in human vision, and receiving, via an input device of the electronic device, at least one response of the user to the test stimuli. The method also includes processing the at least one response of the user to obtain test outcome data, and outputting a warning indication of potential migraine onset to the user if the test outcome data is outside an expected range for daily fluctuation in test outcome data.

The invention relates to a composite nervous action potential tuning curve calibration and detection system. The composite nervous action potential tuning curve calibration and detection system is characterized by comprising a computer, an acoustic card, an acoustic sensor, a preamplifier, an electrode, a high-impedance input level, a bioelectric amplifier and earplugs. An audition testing platform is arranged in the computer and comprises a testing executing system and an acoustic card driving system, wherein the testing executing system comprises a plurality of calibration and detection modules. A system calibration and debugging module is used for calibrating and debugging the acoustic card and sensitivity of the acoustic sensor. An acoustic sensor position calibrating module is used for calibrating a position of the acoustic sensor testing an external auditory canal of an animal. An electrode position calibrating module is used for calibrating whether a recording electrode is disposed to testing round window membranes in the animal ears or not. A composite nervous action potential threshold curve detection module is used for testing stimulus intensity thresholds of composite nervous action potentials. A composite nervous action potential tuning curve detection module is used for detecting composite nervous action potential tuning curves. The composite nervous action potential tuning curve calibration and detection system can be widely applied to auditory detection.

The invention relates to a position evaluation apparatus of testing a stimulation electrode. The position evaluation apparatus is an electric pulse stimulation test apparatus and the apparatus comprises an external program control instrument and a test lead. The external program control instrument comprises a pulse generation module used for generating an electrical stimulation pulse signal. The test lead is used for connecting the external program control instrument to a stimulation electrode. The external program control instrument also comprises an electrophysiological signal acquisition module, a storage module and an electrophysiological signal comparison module, wherein the electrophysiological signal acquisition module is used for controlling the stimulation electrode so as to collect electrophysiological signals of a human body; the storage module is used for storing the electrophysiological signals collected by the electrophysiological signal acquisition module; the electrophysiological signal comparison module is used for comparing the different electrophysiological signals. By using the position evaluation apparatus of testing the stimulation electrode, during an operation process, a position offset condition of the stimulation electrode before and after being fixed can be timely and effectively evaluated and tested.

The invention discloses a method and a system for verifying register transfer level (RTL) of an Ethernet exchange chip queue manager. The verifying method combines the advantages of an existing hardware simulation platform and a software simulation platform. By constructing a simulation environment, a testing stimulus model and a testing detection model which generate a testing stream are built to control amount, varieties, sequence and bandwidth of an input stream, a dynamic bandwidth adjustor is used for correcting the bandwidth in real time, and simultaneously the testing detection model automatically detects bandwidth which outputs different streams and provides detection results, thereby detecting whether queue scheduling and reshaping function are right in real time in a simulation process, improving verifying efficiency, and finding code defects timely and effectively.

An electronic training system includes a set of external response sensors, a set of internal response sensors, a stimulus device, and control circuitry that receives an input via a user interface, where the input comprises a current sports performance state and a target sports performance state of a user. The control circuitry determines a set of test stimuli specific for the user and controls the stimulus device to provide the determined set of test stimuli to the user for a first test duration. A set of stimulus parameters is calibrated for the stimulus device and the stimulus device is re-configured with the calibrated set of stimulus parameters to apply a new stimulus to the user for a second duration, where the new stimulus shifts the current sports performance state towards the target sports performance state.

A fitting system is described for fitting electrode contacts of cochlear implant electrode array implanted in a cochlea of an implanted patient. A test stimulation generator delivers to at least one of the electrode contacts a test stimulation sequence at a variable charge level and a variable stimulation rate over time, wherein the charge level and stimulation rate are inversely related as a function of a defined loudness percept by the implanted patient to the test stimulation sequence. A response measurement module obtains objective response measurements of auditory neural tissues of the implanted patient that are affected by the test stimulation sequence. A fit mapping module defines a patient-specific fit map for the electrode contacts of cochlear implant electrode array based on the objective response measurements.

By way of introduction, the present embodiments described below include apparatus and methods for generating natural language representations of mental content from functional brain images. Given functional imaging data collected while a subject reads a textual article, a reconstruction of the textual article is produced. Linguistic semantic vector representations are assigned (1301) to words, phrases or sentences to be used as training stimuli. Basis learning is performed ( 1305 ) using brain imaging data acquired ( 1303 ) when the subject is exposed to the training stimuli and the corresponding semantic vectors for the training stimuli to directly learn the image basis. Semantic vector decoding is performed ( 1309 ) using the functional brain imaging data for the test stimuli and using the image basis to generate semantic vectors representing the test image stimuli. Text generation is then performed (1311) using the decoded semantic vectors representing the test imaging stimuli.

The invention relates to a local muscle nerve injury test stimulator, comprising a control box and a test stimulator, the test stimulator is arranged on the side of the control box, the inner cavity of the test stimulator is provided with a panel, and the surface of the panel is provided There is a chute, one side of the chute extends to the inner cavity of the panel, a miniature sliding motor is arranged in the chute, the chute is slidably connected with the miniature sliding motor, and an infrared sensor is arranged on the surface of the miniature sliding motor , the infrared sensor runs through the chute and extends to one side of the outer wall of the chute, conductive probes are arranged on both sides of the chute, one end of the conductive probe is fixedly connected to the panel, and one side of the conductive probe is provided with Surface layer. Compared with the existing overall electrotherapy, the local treatment adopted by the present invention can achieve the best stimulating effect, and will not cause confusion to the undamaged muscle nerves, thereby improving the treatment efficiency of electrotherapy, thereby achieving the purpose of the present invention.

A method for testing a strip of MEMS devices, the MEMS devices including at least a respective die of semiconductor material coupled to an internal surface of a common substrate and covered by a protection material; the method envisages: detecting electrical values generated by the MEMS devices in response to at least a testing stimulus; and, before the step of detecting, at least partially separating contiguous MEMS devices in the strip. The step of separating includes defining a separation trench between the contiguous MEMS devices, the separation trench extending through the whole thickness of the protection material and through a surface portion of the substrate, starting from the internal surface of the substrate.