A probe structure for inspecting characteristics of a connector having at least one terminal includes a plunger, a coaxial probe, a flange, a housing, and a spring. A first end portion of the housing and the flange are configured to restrict rotation of the housing in the circumferential direction in a state in which the first end portion of the housing is fitted into the through-hole of the flange. Thus, inspection of characteristics of the terminal of the connector can be performed with higher accuracy.

A display device includes a display panel, a conductive layer disposed under the display panel, a first flexible printed circuit board including a first substrate portion having a side connected to the display panel, a bending portion extending from the first substrate portion, and a second substrate portion extending from the bending portion and disposed under the conductive layer. The second substrate portion includes a first sensing pattern. The display device further includes a coupling portion disposed between the second substrate portion and the conductive layer and coupling the second substrate portion and the conductive layer. The display device further includes a driver chip electrically connected to the first sensing pattern and configured to detect whether the coupling portion has been separated from either the second substrate portion or the conductive layer based on a capacitance that depends on a distance between the conductive layer and the first sensing pattern.

A method for detecting a faulty connection of an auxiliary battery (6) incorporated in an auxiliary network (5) of a motor vehicle supplied by the auxiliary battery and by a non-reversible current source (4), such as a DC/DC voltage converter or an alternator, which is voltage controlled to supply an output voltage which is a function of the setpoint voltages. The detection method includes determining at least one minimum and/or maximum voltage value which cannot be reached by the voltage at the terminals of the auxiliary battery (6), then assigning the function of setpoint value to the minimum and/or maximum voltage value, controlling the current source (4) by sending the setpoint value to it, measuring the voltage at the terminals of the auxiliary network (5), and deducing a faulty connection of the auxiliary battery (6) if there is a match between the measured voltage and the setpoint voltage.

A codeless receptacle tester including outlet tester circuitry, a housing, and an indicator section. The outlet tester circuitry is configured to perform a plurality of electrical outlet testing functions. The housing has a first end, a second end opposite the first end, and an enclosure that encloses the outlet tester circuitry. The indicator section is electrically connected to the outlet tester circuitry and has a plurality of indicators. Each indicator of the plurality of indicators is configured to provide a codeless indication of an associated wiring condition of an electrical outlet.

The disclosure relates to a method for operating a capacitive sensor arrangement of a motor vehicle, a control unit being provided, the sensor arrangement having at least one electrode and a connection arrangement which is assigned to the electrode and has a connecting line and, on the latter, a connection on the electrode side and a connection on the control unit side, the electrode being controlled during a measurement routine by the control unit and the resulting distance values being determined on the basis of a measurement capacitance formed by the electrode with respect to a reference potential, the electrical connection state of the electrode being checked with respect to the connection to the control unit during a diagnostic routine by the control unit. It is proposed that the connection state is checked during the diagnostic routine by the control unit.

Provided is a semiconductor device including a regulator that generates a first voltage and applying the first voltage to a first line; an external terminal that is connected to the first line and externally connects an external component; and a test circuit that inspects a connection state of the external component. The test circuit includes a test discharge execution unit that is configured, upon receiving a test start signal, to stop the operation of the regulator and discharge the external component by connecting the first line to a predetermined potential; and a discharge duration measurement unit that measures a time required from the reception of the test start signal to a drop of the voltage of the first line below a predetermined second voltage, as a discharge duration of the component, and generate discharge duration information about the discharge duration.

A device for detecting a connector mounting failure includes a detection unit and a connection member that interconnects the detection unit and a connector device. The connection member includes a connection connector inserted into and seated in the connector device, and a connection line unit that interconnects the connection connector and the detection unit. The connection line unit also delivers a detection value of the connection connector to the detection unit.

Example implementations involve an electrical connector and a test method of the electrical connector, wherein the electrical conduction condition between a ground member and a ground terminal can be easily confirmed while reliably contacting the ground member and ground terminal. Electrical connector involves a plurality of terminals including two types of terminals, namely, signal terminals and ground terminals; a retaining body, made of an insulating material, that arranges and retains the plurality of terminals in a condition where the signal terminals and ground terminals are intermingled; and a ground member retained by the retaining body on the inward side of the retaining body, in a condition contacting at least two ground terminals; wherein the ground member has a detecting part exposed from the retaining body in order to detect an electrical conduction condition between the ground terminals and the ground member.

A method for the validation of a fuse head in an electronic detonator is disclosed, the method including measuring at least once a first charge time; activating a switching means to a second position to replace a reference resistor in an RC circuit with the fuse head; measuring at least once a second charge time; and determining the deviation of the second charge time from the first charge time.

A subject matter of this invention is that a manufacturing yield of a semiconductor device is improved. A resistance value between a pogo pin and a test pin is measured by bringing a plurality of pogo pins of a socket mounted over a test board included in an inspection device of a semiconductor device into contact with a plurality of solder balls, respectively, and bringing the test pin provided in the socket into contact with a first solder ball of a plurality of solder balls at a position different from a position where the pogo pin is brought into contact with the first solder ball. Thereby, a coupling failure between the pogo pin and the first solder ball is detected, so that a conductive state is inspected.