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Attorney: Frohwerk; Robert A.


Number of patents: 24
Last date: April 03, 2012

NumberTitleIssue Date
8148759Single transistor memory with immunity to write disturb
Memory cells are constructed from double-gated four terminal transistors having independent gate control. DRAM cells using one transistor to implement a Ferroelectric FeRAM are described. Top gates provide conventional access while independent bottom gates provide c...
04/03/2012
8089108Double-gated transistor memory
Memory cells are constructed from double-gated four terminal transistors having independent gate control. DRAM cells may use one, two or three transistors. Single transistor cells are constructed either with or without a bit storage capacitor, and both NAND- and NOR...
01/03/2012
8072006Double-gated sensor cell
A high quality imager is constructed using a silicon-on-insulator (SOI) process with sensors fabricated in the SOI substrate and isolated by the buried oxide (BOX) from associated readout circuitry in the SOI layer. Handle windows are opened in the SOI device layer ...
12/06/2011
8056677Lift system with articulably joined subchassis
This lift system serves as a powered ladder having a small footprint. The system is divided into two subchasses with a mast fixedly attached to a first subchassis for support of a liftable platform which may carry a human operator. Maneuverability is accomplished by...
11/15/2011
7982662Scanning array for obstacle detection and collision avoidance
This scanning array scans an area around the array for nearby objects, collision obstructions, and terrain topography. The scanning array can scan for sounds emitted by objects in the vicinity of the scanning array, passive energy receipt sources, or it can also sen...
07/19/2011
7898009Independently-double-gated transistor memory (IDGM)
Memory cells are constructed from double-gated four terminal transistors having independent gate control. DRAM cells may use one, two or three transistors. Single transistor cells are constructed either with or without a bit storage capacitor, and both NAND- and NOR...
03/01/2011
7652330Independently-double-gated combinational logic
A family of logic circuits is constructed from double-gated four terminal transistors having independent gate control. First and second inputs to each logic element are independently coupled to the top and bottom gates of a transistor. The output voltage developed a...
01/26/2010
7613377Hinge for fiber optic categorization and management tray
A fiber optic splice organizer stores optical fiber splices and sufficient slack to permit the fibers to be readily separated, such as for reorganization or to remake a splice. Multiple hinges connect a plurality of fiber trays side by side to provide pivotable conn...
11/03/2009
7588474Automatic disconnect for riverboard propulsion system
This apparatus provides an automatic release of a resilient buoyant tether from a water-skimming board device. In use, a tether (100) is attached to a waterboard (50) at one end and secured to an anchor (30) at the other. By maneuvering the boar...
09/15/2009
7562832Two-conductor moisture activated switch
An absolute moisture sensor is coupled to a controller circuit with the combination being integrated into a single device as a moisture-activated switch. The resultant switch is coupled in series with a power control line of a moisture-controlling device and can be ...
07/21/2009
7550699Removal of unwanted reflections in autofocus systems
A focus sensing system adaptable for use in microscopes or other optical systems incorporates a selective beam block. An outgoing reference beam, incident upon a target to be inspected, is reflected to become an incoming reference beam. A beam block inserted within ...
06/23/2009
7518189Independently-double-gated field effect transistor
This independent double-gated transistor architecture creates a MOSFET, JFET or MESFET in parallel with a JFET. Its two gates may be configured to provide a four-terminal device for independent gate control, a floating gate device, and a double-gate device. First an...
04/14/2009
7418184Fiber optic categorization and management tray
A fiber optic splice organizer stores optical fiber splices and sufficient slack to permit the fibers to be readily separated, such as for reorganization or to remake a splice. Multiple hinges connect a plurality of fiber trays side by side to provide pivotable conn...
08/26/2008
7341025Gait training harness
A full body Gait Training Harness for children with disability may be modified for adult use to assist a trainer to teach functions such as walking with a proper gait and crawling. Shoulder straps attached to a torso-encircling belt cross at the trainee's back to el...
03/11/2008
7312386Pick attachment device
A resilient band holds a pick for a stringed musical instrument securely in contact with a thumb or finger of the instrumentalist. In one aspect this device appears as a ring that has been slit along its center line over a portion of its circumference, the slit then...
12/25/2007
7188814Cord holder with integral locking mechanism
This cord holder may be used for storage or transport of any coiled elongate article, such as a rope or electrical cord. It comprises a collar that surrounds and contains the coil, and a shank that extends away from the collar and forms a shoulder across the collar....
03/13/2007
7161080Musical instrument for easy accompaniment
This electronic musical instrument has an extremely simple user-interface that can be played with only three fingers, one at a time. A user selects from among a small set of chords, and chooses a music-ending. This enables novices to extemporaneously produce good, s...
01/09/2007
7068051Permittivity monitor uses ultra wide band transmission
Narrow pulses transmitted wirelessly from a transmitting antenna to a receiving antenna are used to measure the electrical permittivity of the medium of interest between the two antennas. Timing signals are transmitted along a shielded transmission line coincident w...
06/27/2006
7052044Releasable ski tip coupler
This Releasable Ski Tip Coupler interconnects a pair of skis, especially snow skis, in order to maintain proper spacing of the tips of the skis for training inexperienced skiers, especially children. The coupler allows the user to vary the separation of the tails of...
05/30/2006
7025644High-performance riverboard system
This water board sport system comprises a water skimming board device attached to one end of a resilient buoyant tether, the other end of which is secured to an anchor to provide a rider of the board with motive force from flowing water. The tether comprises a braid...
04/11/2006
6985753Portable navigation and communication systems
Disclosed is a portable navigation and communication system. In one embodiment, the system combines within a single enclosure a GPS satellite-positioning unit, a means of mobile telephony using cell phone technology and a means of personal computing capable of wired...
01/10/2006
6913583Orthopedic device allows kneeling without contacting knee
The described Kneepad gives its wearer the advantage of being able to kneel without putting weight on the knee. This allows someone to kneel who may not otherwise be able to do so due to a knee replacement, or some other reason that disallows application of pressure...
07/05/2005
6831468Method and apparatus for determining moisture content and conductivity
Methods and apparatuses are described for detecting volumetric moisture content and conductivity in various media based on a time-domain reflectometry (TDR) system wherein successive fast transitions are injected into a transmission line immersed in a medium of inte...
12/14/2004
6817823Method, device and system for semiconductor wafer transfer
The invention relates to a wafer transfer system that achieves high efficiency, as measured by throughput rate. This is accomplished in one instance by the combination of reliable transfer of single wafers between ports while being simultaneously rotated to accompli...
11/16/2004
 
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