49 results about "Hand testing" patented technology

A hand held testing meter is provided which allows the meter to be viewed and securely supported on the user's hand, while the user's fingers are free to hold and manipulate test instruments. An elastomeric band is provided which is engageable to the meter extending substantially across the meter rear surface. The elastomeric band is resiliently extendable to securely receive a user's hand intermediate the meter rear surface and the elastomeric band.

The invention provides an automobile body control function automatic test apparatus and a method thereof, mainly solving problems that a hand-operated test has large time consumption, low efficiency and poor repeatability and special control logics and time sequences can not be tested. The apparatus is composed of a host computer, a signal conditioning plate, a tested controller and a load box. The host computer is connected with the signal conditioning plate through an output interface of the host computer. An output signal is processed by the signal conditioning plate and is sent to the tested controller. A CAN (Controller Area Network) interface and an LIN (Local Interconnect Network) interface of the host computer connect with the tested controller, and send and receive CAN and LIN bus information needed by the test controller. A driving output of the tested controller connects with the load box, and sends a driving signal generated by connection to an input interface of the host computer after processing of the signal by the signal conditioning plate. The apparatus in the invention has the characteristics of clear structure, low cost, and reliable performance, and can carry out a comprehensive automatic test on a control function of the controller so as to eliminate potential safety hazard possibly brought by logic and sequential errors.

A method and apparatus for a protection device for indicating when ground fault protection is not being provided by the protection device. The protection device includes source and load terminals between a conductive path and face terminals. The protection device further includes a latching mechanism, adapted to be operable between a first state in which the latching mechanism permits electrical contact between the source terminals and the load terminals and a second state in which the contact is broken; an alarm indicator, adapted to provide an indication that the protection device is not providing ground fault protection; and a fuse, adapted to blow when the latching mechanism fails to open during a manual test of the protection device.

The invention provides a test device for testing the radiation sensitivity of an electric field and a test method thereof. The test device comprises a main control computer, a PCI (Personal Communication Interface)-GPIB (General Purpose Interface Bus) control card, a signal generator, a switch array, a power amplifier A, a power amplifier B, a coupler A, a coupler B, a power meter, an antenna A,an antenna B, a field intensity probe and a field intensity monitor. The test device solves the problem of serious attenuation of radio-frequency signals of a 10kHZ-40GHz frequency range signal generator during remote transmission based on different transmission characteristics of radio frequency signals at high and low frequency bands. When equipment under test abnormally works during the automatic control test process, the test method can be immediately switched to the radiation sensitivity manual test of the electric field; and after the normality is restored, the manual test is switched back to the automatic test, so as to continuously test till the whole test process is finished. The test device is convenient and flexible to operate and has high safety and reliability.

The invention provides a commercial vehicle OBD diagnostic device network automation test system which comprises a main control device, a power supply control device, a CAN communication device and a tested OBD diagnostic device. The main control device selects a corresponding test script based on a diagnostic request sent by the tested OBD diagnostic device to call the power supply control device to power the tested OBD diagnostic device, and calls the CAN communication device to send a corresponding CAN diagnostic response message to the tested OBD diagnostic device. The tested OBD diagnostic device receives the diagnostic response message sent by the CAN communication device and generates diagnostic result data. The invention further provides a commercial vehicle OBD diagnostic device network automation test method. According to the invention, the system can automatically test the tested OBD diagnostic device in a simulation ECU environment at the initial stage of vehicle development, is independent of a real ECU environment, and can automatically execute test cases and result judgment; manual test errors are avoided; and the test efficiency and accuracy are improved.

The invention discloses and relates to a CAN (Controller Area Network) test system and test method. The system comprises an ECU (Electronic Control Unit), a power supply control unit, a programmable power supply, a stabilized voltage power supply, CAN bus data collecting equipment, a CAN bus interferometer, a network oscilloscope, a test host, a test control plate card and a bus test plate card. The method comprises the following steps of 1, inputting demand test information; 2, preparing test cases; 3, selecting the test cases according to requirements; 4, building a CAN bus network automatictest system; 5, judging whether the generation of test reports is needed or not through conditions; 6, analyzing the test cases in the steps; 7, testing data, and identifying and guiding the test data into a corresponding data table. The system and the method have the beneficial effects that the defects of manual test are overcome; the condition that the manual test equipment building work is performed when the test starts at each time is avoided; the operation efficiency is improved; the artificial errors generated in the test process are avoided.

The invention provides an automatic debugging and testing system for attitude control engine ground test equipment, which comprises an automatic test processing unit, a signal generating and measuring unit, a simulated load unit, a matrix switch unit, an interface adapter unit and signal cable units, and is characterized in that the signal generating and measuring unit, the simulated load unit, the automatic test processing unit and the interface adapter unit are connected with the matrix switch unit through the signal cable units; the signal generating and measuring unit and the simulated load unit are further connected with the automatic test processing unit through a GPIB bus; and tested equipment is installed on the interface adapter unit. The automatic debugging and testing system provided by the invention changes manual one-by-one testing for multiple test items of traditional attitude control engine ground test equipment into synchronous automatic testing, so that the efficiency is greatly improved.

The invention provides a testing method and system for achieving automatic testing of seeker whole performance. Construction is achieved through a virtual instrument measuring technique, and an automatic testing platform based on Labview graphic language programming is formed. The testing system comprises a seeker main control cabinet, an equipment main control cabinet, a tracking rotating table, a rotary bracket, a deflection angle device, a collimator and an infrared target source. The target-missile line of sight angular speed is simulated through the rotating table movement angular speed, the rotary bracket simulates the missile body spinning speed, the deflection angle device deflects a phi angle so that the deflection angle formed between a product and the optical axis and the deflection angle formed between the target and the optical axis can be simulated, and seeker whole performance testing can be achieved. Modules for conducting target simulation, attitude movement simulation, seeker communication control, performance testing and other functions are further arranged so that the movement state and the testing environment of a seeker can be simulated, and the seeker product is subjected to automatic testing and data analysis. According to the testing method and system for achieving automatic testing of seeker whole performance, personal errors caused by a manual testing system and a semi-automatic testing system are decreased, the consistency of testing results of the tested seeker is ensured, the testing precision is improved, and the safety and reliability are achieved.

The invention relates to the field of communication product testing, in particular to a method for testing maximum telnet user quantity allowed by a switch. The method for testing the maximum telnet user quantity is applied between a server terminal and a client terminal, and specifically comprises the steps that a preset condition is given, the preset condition comprises the maximum telnet user quantity allowed by the server terminal, and the server terminal is in socket connection with the client terminal according to the preset condition; the server terminal and the client terminal establish the socket connection with the quantity lower than or equal to the maximum telnet user quantity one by one through an automatic connecting module; when the connecting quantity which a socket needs to establish is larger than the maximum telnet user quantity, the connection establishment is automatically stopped. According to the testing method, the telnet connection establishment, internal storage checking and automation of a CPU occupancy rate are achieved, and the problems that a traditional method for testing the maximum telnet user quantity is time consuming, labor consuming and low in efficiency are solved.

The present invention is applicable to the field of testing technology, and provides an Android terminal, a testing method and system thereof. The test method is executed by the Android terminal. Thetesting method includes: when a display command from a test interface is received, displaying the test interface; running a test control program installed by the Android terminal when receiving an automatic test instruction or a manual test instruction input by the user on the test interface; in which the test control program is equipped with an operating environment of a test script; the test script is driven to run by the test control program in the operating environment of the test script; and an Android feature is packaged in remote procedure call service invoked by the test script to testthe Android terminal. The embodiment of the invention can realize the automatic test or the manual test of the Android system by the Android terminal, and can also realize the indifference between the development and debugging process of the test control program and the real operating environment.

The invention relates to the technical field of electronic communications, in particular to an SIM (Subscriber Identity Module) card compatibility test system and method. The SIM card compatibility test system comprises a terminal to be tested, a control device and a main control computer, wherein the terminal to be tested is provided with an SIM card or USIM (Universal Subscriber Identity Module) card connector; the control device is used for selecting or switching a predetermined SIM card or USIM card from a plurality of SIM cards or USIM cards to be tested under the action of a first control signal to connect the selected or switched predetermined SIM card or USIM card with the SIM card or USIM card connector of the terminal to be tested through a circuit; and the main control computer is connected with the terminal to be tested and the control device respectively, and used for generating the first control signal to control the control device and running a test script to check SIM card compatibility. Through adoption of the SIM card compatibility test system and method, an automatic SIM card compatibility test can be performed instead of a manual test, so that the test is not limited by time; the hardware loss is lowered; and the test accuracy and efficiency are increased.

A test apparatus having an auto probe and a test method using the same reduces difficulties in defect detection which are caused by a manual test by operators. The test apparatus includes an auto probe unit that contacts a panel of a display device. A test pattern is input to the panel. A vision unit installed above the panel collects a pattern displayed on the panel. A computer system analyzes and determines information about the collected pattern. Whereas the panel was previously tilted from a horizontal position and then examined by the operator manually, in the present test method a movable camera installed at an auto probe apparatus permits testing while the panel is in the horizontal position.

The invention provides an FPC electric measuring all-in-one machine which is technologically characterized by comprising the components of a frame which is provided with a feeding area, an electric measuring area and a marking area, wherein the electric measuring area is provided with an electric measuring jig; a feeding mechanism which is arranged in the feeding area, wherein the material disc can be lifted and dropped along with the height of an FPC; a material moving mechanism which comprises a material moving manipulator that moves among the feeding area, the electric measuring area and the marking area; a material pressing mechanism which is arranged above the electric measuring jig and is used for performing leveling testing on the FPC; a marking and material collecting mechanism which performs marking and separated material collection; and a control mechanism which makes the mechanisms perform cooperation. High automation degree of the whole machine is realized. Compared with a traditional semi-automatic or manual testing mode, the FPC electric measuring all-in-one machine has advantages of greatly improving testing efficiency and testing accuracy, and realizing no FPC damage in the process.

The method for automatic switching networked broadcasting station (NBS) in multiple sets includes steps: loading a list of NBS setup by user in advance; reading link of server of a NBS in highest priority; connecting to the said NBS, and calculating online time connected to server of NBS; when connected online time exceeds a time setup, disconnecting the current connection and loading link of a NBS in next priority, and executing connection. When abnormal interruption of audio stream data takes place in connection, the invention will automatic connect NBS in next priority so that user does not need to carry out switch manually as well as does not need to test list of NBS to determine whether connection is existed or not.

The invention discloses a manual testing board, which comprises a substrate, wherein the substrate is provided with a plurality of wiring terminals, and is used for connecting a tested circuit board; and the substrate is provided with a switching power supply circuit module for supplying power. A testing board substrate is provided with the switching power supply circuit module, and the switching power supply circuit module can be used supplying power to the tested circuit board without using any driving circuit board, i.e., the driving circuit board is not required on the aspect of hardware, so that the control board can be tested before a driving board is manufactured, software can be programmed simultaneously, the research and development period of a product is shorted, and the production period of the product is further shortened.

The invention relates to an automatic detection device and detection method for communication wire. The automatic detection device comprises an upper computer, an Ethernet transceiver module, an input buffer unit, a processor, an output buffer unit and an input/output port, wherein the input/output port comprises a high-speed transmission quality test signal receiving port and a high-speed transmission quality test signal output port; the first communication port of the Ethernet transceiver module is connected with the upper computer, the second communication port of the Ethernet transceiver module is connected with the communication end of the processor, and the high-speed transmission quality test signal receiving port is connected with the high-speed transmission quality test signal input end of the processor through the input buffer unit; the high-speed transmission quality test signal output port is connected with the high-speed transmission quality test signal output end of the processor through the output buffer unit. The automatic detection device and detection method for the communication wire solve the disadvantages that the current manual communication wire test is low in efficiency, and a wire tester does not have a transmission quality test function.

The invention relates to medical dialyzing paper compression resistance multilevel test equipment. The equipment comprises a test bottom plate and test dialyzing paper. A tension test device is installed in the middle of the upper end face of the test bottom plate. Two tensioning devices are symmetrically installed on the two sides of the upper end face of the test bottom plate. The head end of the test dialyzing paper penetrates in the tensioning device located on the right side of the test bottom plate. The middle of the test dialyzing paper penetrates through the tension test device. The tail end of the test dialyzing paper penetrates out of the tensioning device located on the left side of the test bottom plate. The tension test device can be used for conducting a three-level tension test on the test dialyzing paper under the assistance of the two tensioning devices. The average value of three tension test values is taken as the final test value, so that accidental errors existing in a manual tension test are eliminated, and the compression resistance test precision is high; the tensioning devices can conduct self-tension adjustment on the two sides of the test dialyzing paper, and therefore manual tension adjustment is not needed. Through the equipment, a precise and automatic tension test function of compression resistance of the dialyzing paper can be achieved.

The invention relates to an automatic carrying type steel plate test robot, which can be used for testing the mechanical property of a steel plate before and after the reinforcement to obtain the mechanical parameter. The robot comprises a guide rail, a guide platform, a following platform, a test device and a control system. The automatic carrying in the steel plate test process can be realized; the labor is saved. Meanwhile, the robot has an automatic test function; the robot intelligently controls the steel moving position; the perforation position is automatically positioned; the mechanical property test can be automatically performed; the relevant result can be displayed; the test process is efficient and accurate; the test operation is simple and can be easily learned. The robot has a fully automatic test mode, and also has a manual test mode, so that various different use requirements can be better met. The positioning is realized through distributive color recognition sensors, the robot can be used for perforated steel plate test and can also be used for the mechanical property test of steel plates reinforced by other materials (such as carbon fiber); the application range is wide.

The invention relates to a single-stage pressure-resistant testing equipment for medical dialysis paper. The equipment includes a test base plate and test dialysis paper; the middle part of an upper end surface of the test plate is provided with a pull test device; two tension devices are symmetrically installed on both sides of the upper end surface of the test plate; a beginning end of the dialysis paper penetrates from a tension device at the right side of the test base paper; the middle part of the test dialysis paper penetrates through the pull test device; the pull test device can conduct a third-stage tensile test on the test dialysis paper; taking the average value of the three tensile test as a final test value, thereby eliminating the accidental error in manual test tensile test. The compressive property test has high precision, and the tension devices can carry out self tension adjustment on both sides of the test dialysis paper, and no manual adjustment of tension is needed. The invention can realize the accurate automatic tension test function of compression performance of the dialysis paper.

A test device for manually testing chips/ICs is disclosed. A housing includes a receiver for a device under test (DUT). The DUT must be pressed into the housing to make adequate contact with the test pins in the bottom of the test device. A screw drive presses the DUT into position and a plurality of holes in the turning knob accommodate through-going pins which on one leg extend through the knob and into an interference path of a fixed barrier stop. The extended leg then engages the stop during rotation to end the downward movement of the screw. Adjustment is made by selecting holes where the pins are inserted. Reversing the pins in the hole allows for storage of the pins when not in use.

The embodiment of the present invention discloses a communication terminal which comprises a metal back shell arranged at the back side of the communication terminal. The metal back shell comprises a first back shell and a second back shell. The communication terminal also comprises a motherboard arranged in the communication terminal, and an antenna structure arranged in the communication terminal. The antenna structure comprises an excitation source arranged on the motherboard and antenna lines which are electrically connected to the excitation source. In a plane which is parallel to the metal shell and a plane which is perpendicular to the metal shell, gaps are arranged between the antenna lines and the first back shell. According to the communication terminal provided by the invention, through changing the width of the gap between the antenna lines and the first back shell, the resonant frequency of the antenna in the communication terminal is adjusted, the structure is simple, the requirements of communication terminal overall length and width are reduced, the problem of two long or too short of the antenna resonant frequency of the antenna is avoided, the influence of user head and hands on the antenna performance in the use process of the communication terminal is reduced so as to satisfy the indexes of the communication terminal antenna performance in head and hand testing aspects.