Structural member for a rack
Granted: June 14, 2011
Patent Number:
D639587
Structural member for a rack
Granted: June 14, 2011
Patent Number:
D639586
Stackable electronic assembly
Granted: May 17, 2011
Patent Number:
RE42363
On implementation of the invention provides a stackable chip-scale package for improving memory density that may be mounted within a limited area or module. A novel staggered routing scheme enables the use of the same trace routing at every level of the stacked architecture for efficiently accessing individual memory devices in a chip-scale package stack. The use of a ball grid array chip-scale package architecture in combination with thermally compatible materials decreases the risk of…
Method and system for enabling remote access to a computer system
Granted: March 15, 2011
Patent Number:
7908648
Method and systems configured for allowing a non-local remote user to access a computer system with a particular authorization level. Such access is facilitated by examining non-local directory services group memberships of the user and performing a mapping of the user's identity to a corresponding universal local user account that have the proper authorization level or levels. Such methods and systems allow any number of non-local remote users access to the computer system in such a way…
Inline system for collecting stage-by-stage manufacturing metrics
Granted: February 22, 2011
Patent Number:
7893833
A radio frequency identification (RFID) tag is coupled to a circuit board to track the specific operating and environmental conditions of each manufacturing stage as the circuit board passes through the manufacturing stages. An RFID reader and data collector are used at each stage to read the RFID tag and store its identifying information along with processing information, operating conditions, and results for each stage. This permits to quickly and accurately collect manufacturing…
Facilitating handling of exceptions in a program implementing a M-on-N threading model
Granted: January 25, 2011
Patent Number:
7877629
A method for facilitating handling of exceptions in object code transformed from a 1-to-1 threading model to a M-to-N threading model comprises transforming object code having a 1-to-1 threading model to a M-to-N threading model, saving context of a Runnable section of the object code into a context object in response to an exception occurring and rethrowing the exception after performing the saving. The transforming includes creating a Boolean enable value in a method context for an…
Substantially continuous layer of embedded transient protection for printed circuit boards
Granted: March 30, 2010
Patent Number:
7688598
The protection of sensitive components on printed circuit boards by using planar transient protection material in one or more layers of a printed circuit board stackup is disclosed.
Method and process for embedding electrically conductive elements in a dielectric layer
Granted: December 15, 2009
Patent Number:
7631423
A method is provided for fabricating a multilayer printed circuit board, including embedded electrically conductive elements formed as part of the fabrication of the layers of the printed circuit board. An insulating layer and a conductive layer are then pressed over the electrically conductive elements such that the electrically conductive elements protrude from the surface of the conductive layer. A mechanical process is the applied to remove these protrusions to expose the embedded…
Selective deposition of embedded transient protection for printed circuit boards
Granted: September 22, 2009
Patent Number:
7593203
Protection for sensitive components on a printed circuit board by selectively depositing transient protection material on one or more layers of the printed circuit board is disclosed.
Authentication device, system and methods
Granted: June 2, 2009
Patent Number:
7542945
System terminal integrated with biometric sensor, such as a fingerprint sensor. Transaction terminal such as a point of sale system, automated teller machine (ATM) or other system. The system may include a touch screen display. Also, logic to process sales transactions may be included. The transaction terminal may include a cash drawer. The system authenticates users based on data from the sensor, and can regulate access, for example to a cash drawer, based on the authentication. Also…
Systems and methods for optical pumping using depolarizing filters
Granted: May 5, 2009
Patent Number:
7529287
An optical system comprises optical pump lasers, depolarizing filters and a multiplexer. A plurality of optical pump lasers generates a plurality of initial optical signals at different wavelengths. A plurality of depolarizing filters depolarize the plurality of initial optical signals. A multiplexer multiplexes the plurality of initial optical signals to form at least one optical pump signal. These systems and methods advantageously provide at least one optical pump signal with the…
Method for efficiently retrieving topology-specific data for point-to-point networks
Granted: February 17, 2009
Patent Number:
7492716
Network topology codes are computed and used as keys to retrieve topology-specific information for isomorphic networks.
Global rack system
Granted: January 20, 2009
Patent Number:
7478890
A rack system for electronic and/or electrical equipment including a frame, a front door mounted to the front of the frame, a back door or panel, two side panels mounted to the back and two sides of the frame, and a top panel mounted to the top of the frame. The doors can be single doors or dual doors. The frame includes a rectangular base frame constructed by four horizontal edge members, and a top frame having the same structure as the base frame, and four vertical members each…
Via stub termination structures and methods for making same
Granted: November 25, 2008
Patent Number:
7457132
Vias are used in multilayer printed circuit boards to route electrical interconnects between layers. Some via constructions embodiments result in the formation of a via-stub section. Via stub sections can distort signals passing through the interconnect and decrease the usable bandwidth of the interconnect. To minimize distortion and increase bandwidth, one or more terminating elements can be attached to the unterminated end of the via-stub section. The impedance terminating element may…
Reconfigurable backplane power distribution
Granted: July 1, 2008
Patent Number:
7394170
A backplane system for reconfigurable backplane power distribution includes circuit board slots, power entry modules, power distribution circuitry, and switching circuitry. The power distribution circuitry includes a first power configuration and a second power configuration and distributes the power from the power entry modules to at least one circuit board plugged into one of the circuit board slots. The switching circuitry switches between the first power configuration and the second…
Circuit board threadplate
Granted: March 18, 2008
Patent Number:
7345247
A circuit board threadplate for connection of a component to a circuit board is provided wherein such threadplate may be mechanically mounted to a circuit board without the use of manual labor. Specifically, the threadplate is compatible with present Surface Mount Technology robotic placement machines. Such circuit board threadplate includes a hollow substantially cylindrical member forming an extruded neck having an elongated section and a substantially flat surface at a first end of…
Non-inverting cross-gain modulation-based wavelength converter
Granted: March 11, 2008
Patent Number:
7342713
Wavelength converter and methods are based on cross-gain modulation. The wavelength converter has two semiconductor optical amplifiers to perform double cross-gain modulations and double inversions. The first semiconductor optical amplifier performs a first cross-gain modulation on a first continuous wave light using the input light as a modulating light to generate an inverted first-stage cross-gain modulated light. The second semiconductor optical amplifier performs a second cross-gain…
Cooling airflow distribution device
Granted: December 18, 2007
Patent Number:
7309279
A system for removing heat from a plurality of electronic assemblies including a cabinet having brackets for supporting electronic assemblies in a vertical array between a first vertical airflow path and a second vertical air flow path of the cabinet, and a plinth underlying the cabinet and having an input port receiving air from the first vertical airflow path of the cabinet, an output port transmitting air to the second vertical air flow path, a heat exchanger positioned in an air flow…
Method for optimizing high frequency performance of via structures
Granted: July 24, 2007
Patent Number:
7249337
A method for enhancing the high frequency signal integrity performance of a printed circuit board (PCB) or backplane is provided. According to one embodiment of the present invention, the method involves the use of S-parameters as the primary cost factors associated with an iterative process to optimize the physical dimensions and shape of a single or a collection of vias within the PCB or backplane. In certain embodiments, the process involves the representation of the via components as…
Temperature-controlled flexible optical circuit for use in an erbium-doped fiber amplifier and method for fabricating the flexible optical circuit
Granted: June 19, 2007
Patent Number:
7233712
A temperature-controlled flexible optical circuit includes a length of pre-fabricated optical fiber secured to a partially flexible heater circuit for heating and maintaining the optical fiber at a substantially constant temperature. Heater circuit may also comprise temperature sensors.
