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Dunfield
Alexander Gordon Dunfield, Burnaby CA
| Patent application number | Description | Published |
|---|---|---|
| 20110044693 | SYSTEM AND APPARATUS FOR PROVIDING A HIGH QUALITY OF SERVICE NETWORK CONNECTION VIA PLASTIC OPTICAL FIBER - A media converter for converting between electrical and optical signals is provided. The media converter includes an electro-optical transceiver configured to convert an optical signal into an electrical signal and vice-versa. The electro-optical transceiver includes an optical signal port connectable to a plastic optical fiber, the optical signal port for sending and receiving the optical signal along the plastic optical fiber; and an electrical signal port for sending and receiving the electrical signal. The media converter also includes a plurality of means for electrically conveying the electrical signal. A switch is in electrical communication with the electrical signal port of the electro-optical transceiver and with the plurality of means for electrically conveying the electrical signal, and is configured to direct the electrical signal from the electro-optical transceiver to any one of the means for electrically conveying the electrical signal and vice-versa, thereby facilitating bi-directional communication. The media converter can also have a telephonic network access port connectable to a telephone cable, which includes a pair of power carrying wires for carrying electrical power. A power supply is in electrical communication with the switch and the electro-optical transceiver, and power supply wiring electrically couples the telephonic network access port to the power supply for powering the media converter by transmitting power from the power carrying wires to the power supply when the telephone cable is coupled to the network access port. Beneficially, by obtaining power from the telephonic network, a low voltage telecommunications technician is able to install the media converter within a building, thereby allowing for relatively inexpensive installation. | 02-24-2011 |
John S. Dunfield, Corvallis, OR US
| Patent application number | Description | Published |
|---|---|---|
| 20110116681 | Security Printing Analysis System And Method For Enhancing Security Printing - A method for enhancing security printing includes generating data for a region of interest ( | 05-19-2011 |
John Stephen Dunfield, Corvallis, OR US
| Patent application number | Description | Published |
|---|---|---|
| 20090137526 | Purification Method for Biomaterial - The present disclosure relates to methods for purifying chitin or chitosan, particularly for obtaining medical grade materials suitable for use in biocompatible devices,formulations, or other materials. Chitosan separation and purification methods are taught for obtaining high purity and fractionated bio-compatible medical grade materials. Chemistries and solvent systems are taught for the use in counter current chromatography, liquid/liquid or other microfluidic separation systems. | 05-28-2009 |
| 20090317458 | Fluid-jet pens configured for making modulated release bioactive agents - The present invention is drawn to methods of preparing a bioactive agent-containing emulsion for delivery to a biological system. This method can comprise the step of jetting a bioactive agent and a first fluid medium from a fluid-jet pen into a second fluid medium to form a bioactive agent-containing emulsion, wherein the second fluid comprises a continuous phase of the emulsion. Alternatively, a method of preparing a bioactive agent-containing liposome can comprise jetting a lipid-containing composition and a bioactive agent from a fluid-jet pen into a medium to form a bioactive agent-containing liposome carried by the medium. The present invention is also drawn to fluid-jet pens and systems configured for making liposome- and emulsion-containing biological agents. | 12-24-2009 |
Peter Franklin Dunfield, North West Calgary CA
| Patent application number | Description | Published |
|---|---|---|
| 20110091951 | NEW CLASS OF CHLOROFLEXI-LIKE THERMOPHILIC CELLULOSE DEGRADING BACTERIA - The present invention relates to a new class of Chloroflexi-like bacteria. The bacteria are thermophilic cellulose degrading bacteria. Compositions and methods for degrading cellulose using the Chloroflexi-like bacteria are also provided. | 04-21-2011 |