Patent classifications
H05K9/0067
Touch screen panel, interface circuit, and information processing apparatus
A touch screen panel comprising a first electrode substrate equipped with a first electrode and a second electrode formed on a first transparent conductive film of the first electrode substrate, a second electrode substrate equipped with a third electrode and a fourth electrode formed on a second transparent conductive film of the second electrode substrate, an interface circuit that receives electrical signals from the first to the fourth electrodes and process the signals, and connecting portions that connect to the interface circuit, the interface circuit includes a member configured to make an impedance of a wiring path formed on the side where the connecting portion is provided and connected to one of the first to the fourth electrodes higher than an impedance of wiring paths connected to remaining electrode.
Electric shock protection contactor and portable electronic device including the same
Provided are an electric shock protection contactor and a portable electronic device including the same. The electric shock protection contactor according to an exemplary embodiment of the present invention includes a conductive connection unit electrically in contact with a conductor of an electronic device and an electric shock protection element connected to the conductive connection unit in series and blocking a leakage current of an external power source that is introduced from the ground of a circuit board of the electronic device.
Display driver and display module
A display driver includes: a driver circuit that drives an electro-optical panel; an output terminal that outputs an output signal from the driver circuit; an output line that couples the output of the driver circuit and the output terminal; and an inspection circuit that detects an abnormality of the output signal output by the driver circuit to the output line by monitoring a voltage of the output signal. The inspection circuit determines whether the voltage of the output signal is abnormal by comparing the voltage of the output signal with a reference voltage whose voltage changes in each given cycle.
Keyboard structure with electrostatic discharge protection
The present invention provides a key structure with electrostatic discharge protection, including a key cap; a metal support panel; a support element, connecting the key cap and the metal support panel and capable of guiding the key cap to move up and down relative to the metal support panel; and a membrane circuit board, disposed on the metal support panel. The membrane circuit board includes: a first membrane layer, having a first surface and a second surface; a second membrane layer, having a third surface and a fourth surface; and an electrostatic protection structure, including: a first conductive layer, formed on a first surface of the first membrane layer; a second conductive layer, formed between the second surface of the first membrane layer and the third surface of the second membrane layer; and a third conductive layer, formed on the fourth surface of the second membrane layer.
Protective sleeve with bonded wire filaments and methods of construction thereof
A fabric sleeve for protecting elongate members against at least one of EMI, RFI or ESD and method of construction thereof is provided. The sleeve includes a wall extending along a longitudinal axis between opposite ends. The wall is formed from a plurality of filaments interlaced with one another, with at least one of the filaments being provided as a continuous strand of conductive wire and at least some of the filaments being provided as heat-fusible nonconductive filaments. The heat-fusible nonconductive filaments abut the continuous strand of conductive wire at a plurality of bond joints. The continuous strand of conductive wire is at least partially embedded in bonded, fixed attachment with the heat-fusible nonconductive filaments at the bond joints.
Compact wireless antennae mounting with electrostatic discharge protection
A set top box comprises multiple antennae (15) are positioned outside the periphery of the printed circuit board (5). The antennae can be vertically oriented (15V) or horizontally oriented (15H). The antennae (15) are maintained at least 20 mm from a heatsink (6) and the printed circuit board (5) to prevent electrostatic discharge. The set top box includes vents (14) in the bottom frame (2) outside the periphery of the printed circuit board (5) to promote heat dissipation.
Arrangement for protecting electronics from interference radiation
In one exemplary embodiment, an arrangement for protecting electronics from interference radiation includes a housing and a circuit carrier for accommodating the electronics in an interior of the housing. The housing defines an opening for compensating the different pressures inside and outside the housing. The arrangement of the exemplary embodiment is also distinguished by a contact-making element of an electronic component of the electronics arranged between the opening and the circuit carrier in such a manner that the electronics are at least partially screened from interference radiation entering the housing through the opening.
ELECTROSTATIC DISCHARGE (ESD) PROTECTION DEVICE AND METHOD FOR OPERATING AN ESD PROTECTION DEVICE
Embodiments of an electrostatic discharge (ESD) protection device and a method of operating an ESD protection device are described. In one embodiment, an ESD protection device includes a bipolar transistor device connected between a first node and a second node, a series protection device connected in series with the bipolar transistor device, and a diode device connected between the second node and a third node. A drain terminal of an NMOS device to be protected is connectable to the first node. A body of the NMOS device to be protected is connectable to the second node. A source terminal of the NMOS device to be protected is connectable to the third node. The diode device and the bipolar transistor device are configured to form a parasitic silicon controlled rectifier. Other embodiments are also described.
Lighting device for a motor vehicle, incorporating means for protection against electrostatic discharges
The invention proposes a lighting device for a motor vehicle. Such a device includes one or more electronic circuits incorporating electronic components sensitive to an electrostatic discharge. Thanks to the features of the invention, the components are protected by encouraging the controlled flow to ground of any electrostatic discharges. All portions of one or more electronic circuits can therefore be protected by preventing random electrostatic discharges liable to destroy or to degrade sensitive electronic components.
Anti-static circuit and electronic device using the same
A circuit removing static electricity from a connected electronic device includes a detecting device, an amplifier, a switch device, and a control device. The detecting device detects a change of a magnetic flux surrounding the electronic device, and generates an analog electronic signal accordingly. The amplifier connects to the detecting device and amplifies the analog electronic signal. The control device connects to the amplifier, filters an amplified analog electronic signal, and generates a control signal. The switch device connected to the control device as well as the electronic device conducts the static electricity to earth in response to the control signal.