Patent application number | Description | Published |
20090064810 | TRANSMISSION AND VARIABLE RADIALLY EXPANDING SPRING CLUTCH ASSEMBLY - A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value. | 03-12-2009 |
20090288533 | AIR DEFLECTOR ASSEMBLIES FOR MITER SAWS - A saw includes a rotatable cutting blade having a first side, a second side, an outer edge and a front end region, a motor for driving the cutting blade, and a blade guard covering at least a portion of the blade. The saw has an air deflector assembly positioned in proximity to the front edge region of the cutting blade, the air deflector assembly having a first deflector device positioned substantially adjacent to, but spaced apart from, the first side of the rotatable cutting blade, and a second deflector device. The second deflector device is movable between an operating position whereby the second deflector device is positioned substantially adjacent to, but spaced apart from, the second side of the blade, and a non-operating position wherein the second deflector device is spaced apart from the blade by a greater distance than in the operating position. | 11-26-2009 |
20090301278 | MITER SAWS HAVING LOCKING ASSEMBLIES FOR OPTIMAL POSITIONING OF CUTTING BLADES - A miter saw includes a base, and a table disposed on the base, the table having a top surface extending between a front end and a rear end of the table. The miter saw also includes a cutting assembly overlying the table, the cutting assembly including a rotatable cutting blade having a peripheral cutting edge, and a motor for driving said cutting blade. At least one guide rail is connected with the table and coupled with the cutting assembly for guiding sliding movement of the cutting assembly over the table between a rear-most position and a forward-most position. The miter saw includes a locking assembly coupled with at least one of the cutting assembly and the at least one guide rail for locking the cutting assembly in an intermediate position located between the rear-most position and the forward-most position. | 12-10-2009 |
20100276244 | Transmission and Variable Radially Expanding Spring Clutch Assembly - A transmission generally includes a shaft member having a cylindrical outer surface in which longitudinal grooves are formed. Rolling members are disposed in the longitudinal grooves. A gear member having lobes the lobes is disposed between the rolling members and over the shaft member. A clutch spring that at least partially encircles the rolling members and the lobes is also disposed. The clutch spring includes a reduced torque condition that at least defines the clutch spring stretching to accommodate the rolling members leaving the longitudinal grooves and moving to the outer cylindrical surface such that the clutch spring forms a generally elliptical shape in the reduced torque condition. | 11-04-2010 |
20100300226 | Transmission and Variable Radially Expanding Spring Clutch Assembly - A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value. | 12-02-2010 |
20100319474 | TRANSMISSION AND VARIABLE RADIALLY EXPANDING SPRING CLUTCH ASSEMBLY - A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value. | 12-23-2010 |
20110281507 | Large Angle Grinder - An angle grinder is provided including a radial fan assembly. The radial fan assembly is configured to direct exhaust radially outwardly and axially away from a user of the angle grinder. Brush card assemblies for an angle grinder are also provided. The brush card assemblies provide for the securing of brush cards to a field case of the angle grinder by the interface between the field case and brush cards. Additionally, a spindle lock mechanism and a safety mechanism for an angle grinder are provided. | 11-17-2011 |
20130239767 | MITER SAWS HAVING LOCKING ASSEMBLIES FOR OPTIMAL POSITIONING OF CUTTING BLADES - A miter saw includes a base, a table disposed on the base and having a top surface extending between a front end and a rear end of the table, a cutting assembly overlying the table, the cutting assembly including a rotatable cutting blade having a peripheral cutting edge, and a motor for driving the cutting blade. The miter saw has at least one guide rail interconnecting the table and the cutting assembly for guiding sliding movement of the cutting assembly over the table between a rear-most position and a forward-most position. A locking assembly is coupled with the cutting assembly for locking the cutting assembly in only one position between the rear-most position and the forward-most position. During a cutting operation, the locking assembly remains coupled with the cutting assembly while the cutting blade moves downwardly for preventing sliding movement of the cutting assembly. | 09-19-2013 |
Patent application number | Description | Published |
20100141554 | WIRELESS AUGMENTED REALITY COMMUNICATION SYSTEM - The system of the present invention is a highly integrated radio communication system with a multimedia co-processor which allows true two-way multimedia (video, audio, data) access as well as real-time biomedical monitoring in a pager-sized portable access unit. The system is integrated in a network structure including one or more general purpose nodes for providing a wireless-to-wired interface. The network architecture allows video, audio and data (including biomedical data) streams to be connected directly to external users and devices. The portable access units may also be mated to various non-personal devices such as cameras or environmental sensors for providing a method for setting up wireless sensor nets from which reported data may be accessed through the portable access unit. The reported data may alternatively be automatically logged at a remote computer for access and viewing through a portable access unit, including the user's own. | 06-10-2010 |
20130120452 | WIRELESS AUGMENTED REALITY COMMUNICATION SYSTEM - The system of the present invention is a highly integrated radio communication system with a multimedia co-processor which allows true two-way multimedia (video, audio, data) access as well as real-time biomedical monitoring in a pager-sized portable access unit. The system is integrated in a network structure including one or more general purpose nodes for providing a wireless-to-wired interface. The network architecture allows video, audio and data (including biomedical data) streams to be connected directly to external users and devices. The portable access units may also be mated to various non-personal devices such as cameras or environmental sensors for providing a method for setting up wireless sensor nets from which reported data may be accessed through the portable access unit. The reported data may alternatively be automatically logged at a remote computer for access and viewing through a portable access unit, including the user's own. | 05-16-2013 |
20140091948 | WIRELESS AUGMENTED REALITY COMMUNICATION SYSTEM - The system of the present invention is a highly integrated radio communication system with a multimedia co-processor which allows true two-way multimedia (video, audio, data) access as well as real-time biomedical monitoring in a pager-sized portable access unit. The system is integrated in a network structure including one or more general purpose nodes for providing a wireless-to-wired interface. The network architecture allows video, audio and data (including biomedical data) streams to be connected directly to external users and devices. The portable access units may also be mated to various non-personal devices such as cameras or environmental sensors for providing a method for setting up wireless sensor nets from which reported data may be accessed through the portable access unit. The reported data may alternatively be automatically logged at a remote computer for access and viewing through a portable access unit, including the user's own. | 04-03-2014 |
20140168347 | WIRELESS AUGMENTED REALITY COMMUNICATION SYSTEM - A portable unit is for video communication to select a user name in a user name network. A transceiver wirelessly accesses a communication network through a wireless connection to a general purpose node coupled to the communication network. A user interface can receive user input to log on to a user name network through the communication network. The user name network has a plurality of user names, at least one of the plurality of user names is associated with a remote portable unit, logged on to the user name network and available for video communication. | 06-19-2014 |
Patent application number | Description | Published |
20120257449 | High Density Magnetic Random Access Memory - A magnetic memory device that comprises a substrate, a memory cell including a magnetic tunnel junction which comprises a free ferromagnetic layer having a reversible magnetization direction directed perpendicular to the substrate, a pinned ferromagnetic layer having a fixed magnetization direction directed perpendicular to the substrate, and an insulating tunnel barrier layer disposed between the pinned and free layers, a first electrical circuit for applying a first current to a first conductor electrically coupled to the free layer to produce a bias magnetic field along a hard axis of the free layer, a second electrical circuit for applying a second current to a second conductor electrically coupled to the pinned layer to cause a spin momentum transfer in the free layer, wherein magnitudes of the bias magnetic field and spin momentum transfer in combination exceed a threshold and thus reverse the magnetization direction of the free layer. | 10-11-2012 |
20120281465 | High Density Magnetic Random Access Memory - One embodiment of a magnetic memory device comprises a substrate and a plurality of planar memory arrays stacked on the substrate, each memory array includes a plurality of parallel first conductive lines, each first conductive line includes a ferromagnetic cladding, a plurality of parallel second conductive lines overlapping the first conductive lines at a plurality of intersection regions, a plurality of magnetic tunnel junctions, each magnetic tunnel junction has a controllable electrical resistance, is disposed at an intersection region and electrically coupled to one of the first conductive lines at its first end and to one of the second conductive lines at its second end. The electrical resistance of the magnetic tunnel junction is controlled by a joint effect of a spin-polarized current running between the first and second ends and a bias magnetic field applied simultaneously to said each magnetic tunnel junction. Other embodiments are described and shown. | 11-08-2012 |
20120306536 | Nonvolatile Full Adder Circuit - A nonvolatile full adder circuit comprising a full adder electrical circuitry comprising three input terminals for receiving two input and carry-in signals, a sum output terminal, and an carry-out output terminal; first and second nonvolatile memory elements electrically coupled to the first and second output terminal, respectively at their first ends and to an intermediate voltage source at their second ends. The nonvolatile memory elements comprise two stable logic states. A logic state each of the of the nonvolatile memory elements is controlled by a bidirectional electrical current running between its first and second ends. The full adder circuitry is electrically coupled to a high voltage source at its first source terminal and to a low voltage source at its second source terminal, wherein an electrical potential of the intermediate voltage source is lower than that of the high voltage source but higher than that of the low voltage source. | 12-06-2012 |
20120307549 | Nonvolatile Latch Circuit - A nonvolatile latch circuit that includes a logic circuitry comprising at least an input terminal, a clock terminal, an output terminal, and a nonvolatile memory element. The logic circuitry is electrically coupled to a high voltage source at a first source terminal and to a low voltage source at a second source terminal. The nonvolatile memory element is electrically coupled to the output terminal at a first end and to a intermediate voltage source at a second end. A logic state of the latch circuit responds to an input signal during an active period of a clock signal. A logic state of the nonvolatile memory element is controlled by a bidirectional current running between the first and second ends. An electrical potential of the intermediate voltage source is higher than that of the low voltage source but lower than that of the high voltage source. | 12-06-2012 |
20120313688 | Nonvolatile Multiplexer Circuit - A nonvolatile multiplexer circuit comprising an electric circuitry for selecting an output signal from a plurality of input signals based on select signals, the electric circuitry comprises at least one input terminal, at least one select terminal, and at least one output terminal; a high voltage source and low voltage source electrically coupled to a first and second source terminal, respectively of the electrical circuitry; at least one nonvolatile memory element comprising two stable logic states and electrically coupled to the output terminal at its first end and to an intermediate voltage source at its second end, wherein a logic state of the nonvolatile memory element is controlled by a bidirectional electrical current running through the memory element, and wherein an electrical potential of the intermediate voltage source is lower than that of the high voltage source but higher than that of the low voltage source. | 12-13-2012 |
Patent application number | Description | Published |
20090015983 | Parallel plate capacitor - Capacitors including a first conductive material having a first upper finger located on an upper plane and a first lower finger located on a lower plane. The capacitor also includes a second conductive material having a second upper finger and a second lower finger, the second upper finger located on the upper plane such that the second upper finger is next to the first upper finger forming a first interface and on top of the first lower finger forming a second interface, the second lower finger located on the lower plane such that the second lower finger is next to the first lower finger forming a third interface and below the first upper finger forming a fourth interface. Finally, the capacitor includes a dielectric material located in the first interface, the second interface, the third interface, and the fourth interface. | 01-15-2009 |
20090046502 | Metal Magnetic Memory Cell - A magnetic memory cell is provided. The memory cell includes a metal device, a first word line, and a second word line. The metal device includes a first magnetic layer having a first dipole; a second magnetic layer having a second dipole; and an conductive layer located between the first and second magnetic layers. The first word line is positioned near the first magnetic layer to change the direction of the first dipole. The second word line is positioned near the second magnetic layer to change the direction of the second dipole. A method of reading/writing a bit in the magnetic memory cell is also provided. | 02-19-2009 |
20090050999 | Apparatus for storing electrical energy - An apparatus to store electrical energy is provided. The apparatus includes a first magnetic section, a second magnetic section, and a semiconductor section configured between the first magnetic section and the second magnetic section, wherein the junction between the semiconductor section and the first and second magnetic section forms a diode barrier preventing current flow to store electrical energy. | 02-26-2009 |
20090051386 | Integrate Circuit Chip with Magnetic Devices - A logic gate array is provided. The logic gate comprises a silicon substrate, a first logic gate layer on top of the silicon substrate, a second logic gate layer on top of the first logic gate layer, and a routing layer between the first and second logic gate layers for routing magnetic gates in the first and second logic gate layers, wherein the first logic gate layer, the second logic gate layer, and the routing layer are electrically connected by vias. | 02-26-2009 |
20090085085 | DRAM CELL WITH CAPACITOR IN THE METAL LAYER - A DRAM cell includes a substrate, a transistor, and a capacitor. The substrate is composed of semiconductor material with a main surface, the transistor is formed at the main surface, and the capacitor is formed in a metal layer. The transistor includes a source region and a drain region formed at the main surface of the substrate. The transistor also includes a control gate placed between the source region and the drain region, and separated from the substrate by a thin control dielectric. The capacitor includes a first electrode layer, a dielectric layer formed on the surface of the first electrode layer, and a second electrode layer formed on the surface of the dielectric layer. The DRAM cell increases the density and simplifies the manufacturing process. A DRAM cell with the capacitor formed in multiple layers is also provided. | 04-02-2009 |
20090085529 | POWER SOURCE - An electronics system module is provided. The electronics system module includes an electronics device and a power source. The power source includes a capacitor coupling to the electronics device and providing power thereto and an adjustable resistance connected in series between the capacitor and the electronics device. The resistance is adjusted by a control mechanism, so that the voltage supplied to the electronics device from the capacitor is constant. | 04-02-2009 |
20090090946 | DRAM CELL WITH MAGNETIC CAPACITOR - A DRAM cell includes a substrate, a transistor, and a magnetic capacitor. The substrate is composed of semiconductor material with a main surface, the transistor is formed at the main surface, and the magnetic capacitor is formed in a metal layer. The transistor includes a source region and a drain region formed at the main surface of the substrate. The transistor also includes a control gate placed between the source region and the drain region, and separated from the substrate by a thin control dielectric. The magnetic capacitor includes a first electrode layer, a dielectric layer formed on the surface of the first electrode layer, and a second electrode layer formed on the surface of the dielectric layer. The DRAM cell increases the density, simplifies the manufacturing process, and reduces or eliminates the refresh rate. A DRAM cell with the magnetic capacitor formed in multiple layers is also provided. | 04-09-2009 |
20090095338 | SOLAR POWER SOURCE - A solar power source includes a solar panel and a magnetic capacitor. The solar panel receives solar energy, and the magnetic capacitor stores energy and provides electricity. The solar panel has a first side facing the sun, and the magnetic capacitor is attached to a second side of the solar panel. The magnetic capacitor has high valued storage capacitance to handle the charge generated by the solar panel, and has a barrier to leakage current, so that storage time is increased. The solar power source is applicable for many applications and has low energy transport costs. The solar power source may have a higher number of re-charging cycles compared to batteries, and may be partially charged or discharged without a reduction in charge capacity. Two methods of manufacturing the solar power source are also provided. | 04-16-2009 |