Abstract:
The present invention relates to a circuit arrangement (1) having a prescribed electrical capacitance, comprising a substrate (S) having at least one metallic, electrically conductive conductor (L, Lb, Ls). According to the invention, at least one first conductor strip segment (LA1) is disposed on the substrate (S) and at least some regions of at least one second conductor strip segment (LA2, LA3, LA4) are disposed on the first conductor strip segment (LA1), wherein an electrically insulating layer (iS) is disposed between the conductor strip segments (LA1, LA2, LA3, LA4), forming a dielectric. The invention further relates to a method and a device (2) for producing a circuit arrangement (1) having a prescribed electrical capacitance.
Abstract:
An apparatus and method for crosstalk compensation in a jack of a modular communications connector includes a flexible printed circuit board connected to jack contacts and to connections to a network cable. The flexible printed circuit board includes conductive traces arranged as one or more couplings to provide crosstalk compensation.
Abstract:
A high-frequency signal line includes a body with a first layer level and a second layer level; a signal line including a first line portion provided at the first layer level, a second line portion provided at the second layer level, and a first interlayer connection connecting the first line portion and the second line portion; a first ground conductor including a first ground portion provided at the first layer level; a second ground conductor including a second ground portion provided at the second layer level; and a second interlayer connection connecting the first ground portion and the second ground portion. A distance between the first interlayer connection and the second interlayer connection is not less than a maximum distance between the first line portion and the first ground portion and is not less than a maximum distance between the second line portion and the second ground portion.
Abstract:
Techniques for routing and shielding signal lines to improve isolation between the signal lines are disclosed. In an exemplary design, an apparatus includes first, second, and third signal lines and a switch. The first, second, and third signal lines are configurable to carry first, second, and third signals, respectively. The switch is coupled between the second signal line and AC ground and is closed when the second signal line is not carrying the second signal. The second signal line isolates the first and third signal lines when the switch is closed. Adjacent signal lines are not active at the same time. A signal line may include positive and negative signal lines, which may have at least one cross over in order to cancel coupling between the positive and negative signal lines.
Abstract:
A touch-sensitive device includes a transparent substrate, a touch-sensing structure, a decorative layer, a trace layer, a passivation layer and a sheltering layer. The touch-sensing structure is disposed on the transparent substrate and located in a touch-sensitive region. The decorative layer is disposed on the transparent substrate and located in a non-touch-sensitive region, and the trace layer is disposed on the decorative layer. The passivation layer is disposed on the transparent substrate and at least covers the touch-sensing structure and the trace layer. The sheltering layer is disposed at least on the passivation layer and located in the non-touch-sensitive region.
Abstract:
A twisted-pair cable and methods are disclosed. The twisted-pair cable comprises a first layer comprising a first non-conductive. A second layer is coupled to the first layer, and comprises a printed circuit patterned with first diagonal conductor segments. A third layer is coupled to the second layer, and comprises a non-conductive strip. A fourth layer is coupled to the third layer, and comprises a printed circuit patterned with second diagonal conductor segments. The first diagonal conductor segments and the second diagonal conductor segments are coupled at respective segment ends such that at least two wires are formed around the non-conductive strip. A fifth layer is coupled to the fourth layer, and comprises a second non-conductive.
Abstract:
A display device includes a display panel, and an electrostatic capacitive type touch panel which is formed in an overlapping manner with the display panel. A plurality of X electrodes and a plurality of Y electrodes intersecting with the X electrodes. A first signal line supplies signals to the X electrodes, a second signal line supplies signals to the Y electrodes, and the first signal line and the second signal line are formed on a flexible printed circuit board. A dummy electrode is formed adjacent to an electrode portion of each X electrode and electrode portion of each Y electrode, the dummy electrode does not overlap the X electrode and the Y electrode, and the dummy electrode does not electrically connect with the first and second signal lines.
Abstract:
A circuit board includes a substrate having upper and lower sides, and first and second conductive vias extending between the upper and lower sides. The first and second conductive vias include circular outer profiles. The circuit board also includes a differential pair of conductive traces, which includes a first conductive trace having first upper and lower segments disposed on the upper and lower sides, respectively. The first upper and lower segments are electrically connected together through the first conductive via. The first upper segment is curved around the second conductive via such that the first upper segment follows the circular outer profile of the second conductive via. The differential pair of conductive traces also includes a second conductive trace having second upper and lower segments disposed on the upper and lower sides, respectively. The second upper and lower segments are electrically connected together through the second conductive via. The first upper segment crosses over the second lower segment. The second lower segment is curved around the first conductive via such that the second lower segment follows the circular outer profile of the first conductive via.
Abstract:
A display device having X electrodes and Y electrodes formed on an electrostatic capacitive type touch panel. Either one of the X electrodes and the Y electrodes is divided corresponding to a ratio between the number of X electrodes and the number of Y electrodes, and a floating electrode is formed in gaps formed along with the reduction of area of the electrode thus adjusting the area of the electrode. A first signal line and second signal lines are branched on a flexible printed circuit board so that both ends of a respective X electrode are supplied with a signal from the branched first signal line and both ends of a respective Y electrode are supplied with a signal from the branched second signal line.
Abstract:
A multilayered wiring substrate that includes at least one signal layer and at least one ground layer is provided. The multilayered wiring substrate includes a first signal via that extends in a direction substantially perpendicular to the layers of the multilayered wiring substrate, is conductively connected to one of a pair of differential signaling wires provided in the signal layer, and is formed on a first grid point; and a second signal via that extends in a direction substantially perpendicular to the layers of the multilayered wiring substrate, is conductively connected to the other of the pair of differential signaling wires, and is formed on a second grid point that is positioned diagonally adjacent with respect to the first signal via.