| Patent application number | Description | Published |
| 20110017502 | Z-Directed Components for Printed Circuit Boards - A design for a Z-directed component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed component is mounted within the thickness of the PCB allowing other components to be mounted over it. The body may contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. Z-directed components include high frequency signal pass throughs, capacitors, diodes, transistors, transmission lines, delay lines. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| 20110017503 | Z-Directed Capacitor Components for Printed Circuit Boards - A Z-directed capacitor component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained within the PCB. In one embodiment the Z-directed capacitor component utilizes semi-cylindrical metallic sheets. In another embodiment, stack annular metallic disks are used. The Z-directed capacitor component mounts within the thickness of the PCB allowing other components to be mounted over it. The body may contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| 20110017504 | Z-Directed Ferrite Bead Components for Printed Circuit Boards - A Z-directed ferrite bead component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed component is housed within the thickness of the PCB allowing other components to be mounted over it. Signal and dual conductor Z-directed ferrite bead component embodiments are provided. The body may include one or more surface channels or wells extending along at least a portion of the length of the body. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| 20110017505 | Z-Directed Connector Components for Printed Circuit Boards - A Z-directed connector component for insertion into a printed circuit board and providing electrical connections to internal conductive planes contained with the PCB and/or to external conductive traces on the surface of the PCB.. In one embodiment the Z-directed component is housed within the thickness of the PCB allowing other components to be mounted over it. The body of the Z-directed connector component may contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| 20110019374 | Z-Directed Delay Line Components for Printed Circuit Boards - A Z-directed signal delay line component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed delay line component is housed within the thickness of the PCB allowing other components to be mounted over it. The delay line embodiments include a W-like line and a plurality of spaced apart, semi-circular line segment connected such that current flow direction alternates in direction between adjacent semi-circular line segments, each of which in other embodiments can be varied by use of shorting bars. Several Z-directed delay line components may be mounted into a PCB and serially connected to provide for longer delays. The body may contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| 20110019375 | Z-DIRECTED PASS-THROUGH COMPONENTS FOR PRINTED CIRCUIT BOARDS - A Z-directed signal pass-through component for insertion into a printed circuit board while allowing electrical connection from external surface conductors to internal conductive planes or between internal conductive planes. The Z-directed pass-through component is mounted within the thickness of the PCB allowing other components to be mounted over it. The body may contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. | 01-27-2011 |
| 20110019376 | Z-Directed Filter Components for Printed Circuit Boards - A Z-directed filter component for insertion into a printed circuit board while allowing electrical connection to internal conductive planes contained with the PCB. In one embodiment the Z-directed filter component is mounted within the thickness of the PCB allowing other components to be mounted over it. The filter may be T-filter or a Pi-filter within the body of the Z-directed component. The body may also contain one or more conductors and may include one or more surface channels or wells extending along at least a portion of the length of the body. Methods for mounting Z-directed components are also provided. | 01-27-2011 |
| Patent application number | Description | Published |
| 20100020451 | ARC DETECTION USING DISCRETE WAVELET TRANSFORMS - An apparatus to perform series and parallel arc fault current interruption (AFCI). The apparatus includes a resistive element configured to sense a load from which a current signal is generated, a first detection unit configured to output a first signal based on the current signal, and a microcontroller configured to decompose at least the first signal via discrete wavelet transforms to thereby obtain discrete wavelet coefficients, and to generate a trip signal when the discrete wavelet coefficients indicate that a threshold condition for trip signal generation are satisfied. | 01-28-2010 |
| 20100157488 | ARC DETECTION USING DETAILED AND APPROXIMATE COEFFICIENTS FROM DISCRETE WAVELET TRANSFORMS - An apparatus for facilitating interruption of current in an electrical circuit is provided and includes a current sensing device in the electrical circuit to service an electrical load, the current sensing device being productive of an output signal representative of a load current passing therethrough, a detection unit, in signal communication with the current sensing device such that the output signal is received by the detection unit, the detection unit being configured and disposed to output a secondary signal based on the output signal, and a microcontroller to receive and to decompose the secondary signal into detailed and approximate coefficients, and to generate a trip signal for use in interrupting an operation of the electrical circuit when a current of the sensed load is above a predetermined threshold and the detailed and approximate coefficients cooperatively indicate that threshold conditions for trip signal generation are satisfied. | 06-24-2010 |
| 20100165521 | PARALLEL ARC DETECTION USING DISCRETE WAVELET TRANSFORMS - An apparatus to perform parallel arc fault current interruption (AFCI). The apparatus includes a current sensing device disposed in the electrical circuit to sense an electrical load, the current sensing device configured to produce an output signal representative of a load current passing therethrough, a detection unit, in signal communication with the current sensing device and configured to receive the output signal produced by the current sensing device, the detection unit being configured and disposed to output a secondary signal based on the output signal, and a microcontroller coupled to the detection unit, being responsive to computer executable instructions which, when executed by the microcontroller, cause the microcontroller to receive and to decompose the secondary signal via discrete wavelet transforms to thereby obtain discrete wavelet coefficients, and to compute a sum of the discrete wavelet coefficients, and to compare the sum of the discrete wavelet coefficients to a predetermined threshold, and to generate a trip signal when the sensed load current is above a predetermined threshold and the sum of the discrete wavelet coefficients cooperatively indicate that predetermined threshold conditions for trip signal generation are satisfied | 07-01-2010 |