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Critchlow, US
John Critchlow, Northborough, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20090079522 | COMPONENT-LESS TERMINATION FOR ELECTROMAGNETIC COUPLERS USED IN HIGH SPEED/FREQUENCY DIFFERENTIAL SIGNALING - Component-less termination for electromagnetic couplers used in high speed/frequency differential signaling is described. In one embodiment, the apparatus includes a first signal line and a second signal line forming a differential pair, a first electromagnetic coupler to provide sampled electromagnetic signals from the first signal line, and a second electromagnetic coupler to provide sampled electromagnetic signals from the second signal line, wherein the first electromagnetic coupler is far end short circuited and wherein the second electromagnetic coupler is far end open circuited. Other embodiments are also described and claimed. | 03-26-2009 |
| 20090085697 | METHOD AND APPARATUS FOR ANALOG VALIDATION OF HIGH SPEED BUSES USING ELECTROMAGNETIC COUPLERS - In at least one embodiment an apparatus is provided that includes an electromagnetic coupler to provide sampled electromagnetic signals and an electronics component to receive the sampled electromagnetic signals from the electromagnetic coupler, to amplify and recover a derivative-like output signal, and to provide recovered sampled electromagnetic signals to an oscilloscope with a unity transfer function. Other embodiments may be described and claimed. | 04-02-2009 |
Richard Critchlow, Seattle, WA US
| Patent application number | Description | Published |
|---|---|---|
| 20080281781 | SEARCHING DOCUMENT SETS WITH DIFFERING METADATA SCHEMATA - Search and filtering of documents with different metadata schemata is enabled using a single index that supports a single schema through decorated namespaces. Each metadata schema submitted to a system is assigned a unique identifier and property names associated with the schema are prefixed with the unique identifier. A single-valued, decorated property is used to indicate whether a submitted document is part of a registered schema in the system. The single-valued properties are converted to a search index table that enables resource-optimized searching and filtering of documents eliminating documents of other schemata by simply checking the association property. | 11-13-2008 |
| 20080281804 | SEARCHING MIXED LANGUAGE DOCUMENT SETS - Multilingual document searches are performed by ordering and filtering localized documents in different languages based on user preferences. Documents are indexed in a global search engine index using an identifier property and a language property permitting all relevant documents to be retrieved in a single search engine query. By storing documents with their identifier and language properties, documents from different cultures but with same content can be treated as equivalent. Results of the initial search include a multilingual set of documents ranked in order of relevance. Result sets are then post-processed using a data resource indicating for each multilingual user interface combination, which language version of each document should be returned. The initial search result are then transformed into a relevance based ordered list treating documents in different languages having same content as equivalent. Based on the ordered list, a final document list is prepared using localized and non-localized content. | 11-13-2008 |
Richard G. Critchlow, Oakmont, PA US
| Patent application number | Description | Published |
|---|---|---|
| 20090177155 | FLUID INJECTION SYSTEM AND PRESSURE JACKET ASSEMBLY WITH SYRINGE ILLUMINATION - The fluid injection apparatus for use with a syringe includes an injector and a pressure jacket assembly associated with the injector. The injector includes a housing defining a central opening and a drive piston extendable through the central opening for imparting motive forces to a syringe plunger disposed within the syringe. The pressure jacket assembly includes a pressure jacket and at least one support arm associated with and extending outward from the housing. A syringe retaining member is attached to the at least one support arm. The syringe-retaining member defines a syringe receiving slot for receiving at least a portion of the syringe. A light source is located on the support arm and faces the pressure jacket for illuminating the syringe. | 07-09-2009 |
| 20090216192 | FLUID INJECTION APPARATUS HAVING ANTI-ROTATION ELEMENTS TO LIMIT SYRINGE PLUNGER ROTATION - The fluid injection apparatus is adapted for use with a syringe and includes an injector and a pressure jacket associated with the injector. The injector includes a drive piston having a plunger engaging end. The syringe includes a body and a plunger movably disposed within the body, the plunger having a proximal end adapted for engagement by the plunger engaging end of the drive piston. An anti-rotation connection is formed by complementary anti-rotation elements associated with the proximal end of the plunger and the plunger engaging end of the drive piston to limit rotation of the plunger within the syringe body. | 08-27-2009 |
| 20090216193 | FLUID INJECTION APPARATUS HAVING A SYRINGE PRESENCE SENSOR - The fluid injection apparatus is adapted for use with a syringe and includes an injector and a pressure jacket associated with the injector. The injector includes a housing defining an opening for a drive piston extendable from the housing. The pressure jacket secures the syringe during an injection procedure. The pressure jacket has a distal end defining a syringe receiving opening for receiving the syringe, and a proximal end associated with the housing and generally aligned with the opening. The apparatus includes a syringe sensor adapted for engagement by the syringe when loaded into the pressure jacket. The housing may have an engagement tab adapted to engage an engagement recess in the pressure jacket to removably engage the pressure jacket with the housing. The apparatus may have one or more light sources associated with the housing for illuminating the syringe received in the pressure jacket. | 08-27-2009 |
| 20090247865 | DRIP CHAMBER AND FLUID LEVEL SENSING MECHANISM FOR A FLUID DELIVERY SYSTEM - The fluid injector system includes a source of injection fluid, a pump device, a fluid control device operably associated with the pump device, and a fluid path set in fluid connection with the source of injection fluid and the pump device. The fluid path set includes a drip chamber including an elongated body having a top end, a bottom end and a raised projection, the raised projection being substantially rectangular in shape and extending longitudinally from the top end along the drip chamber body and terminating adjacent to the bottom end. A fluid level sensing mechanism is operably associated with the fluid control device, and includes a drip chamber support for supporting the drip chamber body and a fluid level sensor associated with the drip chamber support. The drip chamber support is adapted to support the drip chamber body such that the raised projection is in operational contact with the fluid level sensor and the fluid level sensing mechanism is operable to transmit ultrasonic or light energy through the raised projection to be sensed by the fluid level sensor for sensing the injection fluid level in the drip chamber. | 10-01-2009 |
Roger Critchlow, Sante Fe, NM US
| Patent application number | Description | Published |
|---|---|---|
| 20100218037 | Matrix-based Error Correction and Erasure Code Methods and Apparatus and Applications Thereof - A distributed data storage system breaks data into n slices and k checksums using at least one matrix-based erasure code based on matrices with invertible submatrices, stores the slices and checksums on a plurality of storage elements, retrieves the slices from the storage elements, and, when slices have been lost or corrupted, retrieves the checksums from the storage elements and restores the data using the at least one matrix-based erasure code and the checksums. In a method for ensuring restoration and integrity of data in computer-related applications, data is broken into n pieces, k checksums are calculated using at least one matrix-based erasure code based on matrices with invertible submatrices, and the n data pieces and k checksums are stored on n+k storage elements or transmitted over a network. If, upon retrieving the n pieces from the storage elements or network, pieces have been lost or corrupted, the checksums are retrieved and the data is restored using the matrix-based erasure code and the checksums. | 08-26-2010 |
Terence J. Critchlow, Kennewick, WA US
| Patent application number | Description | Published |
|---|---|---|
| 20110119281 | Methods for Discovering Analyst-Significant Portions of a Multi-Dimensional Database - Methods for discovering portions of a multi-dimensional database that are significant to an analyst can be computer-implemented. The methods can include specifying a data view having at least two dimensions and all records of the database. A plurality of operation iterations are then performed on the data view, wherein each iteration is a chain operation, a hop operation or an anti-hop operation. The operation iterations are ceased upon satisfaction of a termination criteria. The resulting data view can then be presented to an analyst. The methods can facilitate a users' knowledge discovery tasks and assist in finding relevant patterns, trends, and anomalies. | 05-19-2011 |