Patents Represented by Attorney, Agent or Law Firm Kenneth R. Allen
-
Patent number: 6371098Abstract: A compound or recurve bow has split limbs mounted to limb pockets which are on pivots connected to a handle riser wherein the riser provides an arrow slot between the upper limbs so the arrow is launched from between the upper limbs. The result is an effective compound or recurve archery bow which is more compact and comparatively lighter than heretofore known.Type: GrantFiled: August 28, 2000Date of Patent: April 16, 2002Inventor: Howard A. Winther
-
Patent number: 6374189Abstract: A frequency analyzing device for detecting a signal component of a predetermined analytic frequency to be analyzed in an input signal includes a multiplication circuit and an integration circuit. The multiplication circuit controls a switched capacitor circuit for discretely storing an input signal using a predetermined pulse signal whose frequency changes according to an amplitude of an orthogonal function system signal having the analytic frequency, and outputs charges representing a multiplication result of the input signal and the orthogonal function system signal. The integration circuit integrates the charges output from the multiplication circuit and outputs integration values as signal components of the analytic frequency contained in the input signal.Type: GrantFiled: June 16, 1999Date of Patent: April 16, 2002Assignee: NuCore Technology Inc.Inventor: Toshihiro Sasai
-
Patent number: 6366195Abstract: A method and system for controlling the level of subscriber unit transmission power in a two-way paging network. The ability to adjust the transmission power of individual subscriber units saves critical subscriber unit resources while still ensuring that a subscriber unit's transmissions are received at a base station in a paging network system. Transmission power-level control further facilitates eliminating interference among subscriber units that transmit to the same base station.Type: GrantFiled: March 13, 1998Date of Patent: April 2, 2002Assignee: Wireless Online, Inc.Inventors: Haim Harel, Anthony J. Weiss, Yair Karmi, Ilan Zorman
-
Patent number: 6363327Abstract: Given a spatial dataset of n dimensions, a data-driven partitioning of the dataset is effected into topographically contiguous regions using feature specific indices (for example, by examining the change in polarity of the impedance of seismic data). Then on each region, a set of features (which may be mathematical functions) is calculated (e.g., mean value of all data in the region), wherein the features are considered sufficiently descriptive of the region. Thereupon, two or more regions which are topographically contiguous are grouped together and the associated features are assembled in a structure (e.g., a vector or a matrix) to be input to a classifier.Type: GrantFiled: May 2, 2000Date of Patent: March 26, 2002Assignee: Chroma Graphics, Inc.Inventors: Bradley C. Wallet, Robert Wentland, Peter Whitehead
-
Patent number: 6345050Abstract: Methods and devices useful in high-speed scalable switching systems include a memoryless switch fabric, per virtual channel queuing, digital phase aligners, randomized and complement connection modes, a mid-point negative acknowledge and output negative acknowledge scheme among other elements. A particular implementation of a routing table and switch element is described in part to illustrate the various techniques and devices of the invention.Type: GrantFiled: October 27, 2000Date of Patent: February 5, 2002Assignee: PMC-Sierra, Inc.Inventors: Brian D. Alleyne, Raghavan Menon, Steve Sprouse
-
Patent number: 6342919Abstract: For use in a low-power digital imaging devices, for example a low-power single CCD-based digital camera, particularly in a battery-operated camera, a method for implementing video signal processing is provided wherein a single amplifier is employed in switched but parallel and uncorrelated signal paths in a manner which avoids fixed pattern noise that would be introduced by mismatches in gain and offset in various paths. The desired effect is achieved through use of a controller that switches appropriate sets of capacitors in parallel paths to establish different gains for each pixel component. The invention achieves power savings and flexibility to independently control gain of each color component.Type: GrantFiled: April 8, 1999Date of Patent: January 29, 2002Assignee: NuCORE Technology, Inc.Inventor: Ion E. Opris
-
Patent number: 6341296Abstract: In accordance with the present invention, a logic circuit identifies the maximum or minimum boundary values from a group of values and also designates the input value(s) which match the boundary values. The logic circuit includes a number of slice logic blocks and a common logic block. Each slice logic block processes one of the input values to determine if it is a maximum value. The common logic block, shared by all the slice logic blocks generates the boundary value.Type: GrantFiled: April 27, 1999Date of Patent: January 22, 2002Assignee: PMC-Sierra, Inc.Inventor: P. Reghavan Menon
-
Patent number: 6320350Abstract: A modulation control type of AC motor includes a modulator and a modulation motor. The modulation motor has the structure in which a DC field power source of a two-phase synchronous motor is replaced by a load and a DC main magnetic flux is replaced by an alternate main magnetic flux. There is no interference between the frequency of an AC power source and the frequency of a modulation signal. Therefore, the synchronous torque and the rotation speed can be controlled separately and independently. The controllable range is wide.Type: GrantFiled: April 9, 1999Date of Patent: November 20, 2001Inventor: Takashi Take
-
Patent number: 6303241Abstract: A wear plate retainer having upper and lower layers. The lower layer is formed of a relatively soft, shock-absorbent material and the upper layer is formed of a relatively hard, impact and abrasion resistant material. A plurality of magnets are embedded in the upper layer to removably magnetically retain a wear plate atop the upper layer. A pair of pole pieces are positioned on opposed sides of each magnet and embedded in the upper layer. The pole pieces extend above the magnet, protecting it from impact forces. The pole pieces also focus the magnetic field forces emanating from the magnet. The magnets are arranged in rows, with adjacent poles of adjacent pairs of magnets in adjacent pairs of the rows having alternate polarity. The rows are parallel to one another and extend transversely to the direction in which material flows across the wear plate.Type: GrantFiled: December 2, 1998Date of Patent: October 16, 2001Assignees: Rampage Ventures, Inc.Inventor: David Roger Miles
-
Patent number: 6298041Abstract: A method for explicit data rate control is introduced into a packet communication environment (10) which does not have data rate supervision by adding latency to the acknowledgment (ACK) packet and by adjusting the size of the flow control window associated with the packet in order to directly control the data rate of the source data at the station (12 or 14) originating the packet.Type: GrantFiled: April 27, 1999Date of Patent: October 2, 2001Assignee: Packeteer, Inc.Inventor: Robert L. Packer
-
Patent number: 6295138Abstract: An electronic image sensing apparatus for photoeletrically converting an optical image in an image sensing unit, processing the resultant analog image sensing data, and recording, displaying, outputting, or externally outputting the processed image sensing data includes an analog semiconductor memory, a processor, and a luminance distribution adjustment unit. The analog semiconductor memory temporarily stores the image sensing data from the image sensing unit in the form of an analog value. The processor generates adjustment information for adjusting a luminance distribution of the entire image sensing data on the basis of luminance information of the image sensing data read out from the analog semiconductor memory. The luminance distribution adjustment unit adjusts the luminance distribution of the entire image sensing data from the analog semiconductor memory on the basis of the adjustment information generated by the processor.Type: GrantFiled: February 25, 1999Date of Patent: September 25, 2001Assignee: NuCORE Technology, Inc.Inventors: Shuji Kitagawa, Toshihiro Sasai, Fumitaka Okamoto
-
Patent number: 6295343Abstract: An integrated line card for providing an analog termination for both POTS and xDSL signals that present the appropriate impedances at xDSL frequencies for the xDSL signals and appropriate impedances at POTS frequencies for POTS signals. The line card comprises a front end for coupling combined POTS and xDSL transceiver circuits to a telephone line at a single termination and an impedance generator responsive to the frequency range of the POTS and the xDSL circuits for generating the appropriate impedances on the line at xDSL frequencies for xDSL signals and the appropriate impedances at POTS frequencies for POTS signals, such that the signals are coupled to the card without the use of a splitter. Preferably, the xDSL circuits and the POTS circuits share a common driver for driving signals onto the loop. An advantage of this arrangement is that the two circuits may be designed together thus ensuring out-of-band noise generated by either source does not interfere with the other.Type: GrantFiled: July 12, 2000Date of Patent: September 25, 2001Assignee: Catena Networks, Inc.Inventors: Gudmundur “Jim” Hjartarson, Mark Feeley, Jonathan Boocock, Andrew Deczky, Andreas Weirich
-
Patent number: 6285658Abstract: In a packet communication environment, a method is provided for classifying packet network flows for use in determining a policy, or rule of assignment of a service level, and enforcing that policy by direct rate control. The method comprises applying individual instances of traffic objects, i.e., packet network flows to a classification model based on selectable information obtained from a plurality of layers of a multi-layered communication protocol, then mapping the flow to the defined traffic classes, which are arbitrarily assignable by an offline manager which creates the classification. It is useful to note that the classification need not be a complete enumeration of the possible traffic.Type: GrantFiled: January 7, 2000Date of Patent: September 4, 2001Assignee: Packeteer, Inc.Inventor: Robert L. Packer
-
Patent number: 6285716Abstract: An MPEG-2 or other compressed video stream (CP) can be manipulated as separate information bus (IB) and coefficient (CP*) streams. The information bus stream (IB) contains motion vector information but also information derived from a previous decoding operation (14, 18) for use in a subsequent coding operation (22). Processing in the coefficient domain enables bit rate conversion without decoding to the pixel level and also simplifies the combination of MPEG layers.Type: GrantFiled: December 16, 1996Date of Patent: September 4, 2001Assignees: Snell & Wilcox Limited, British Broadcasting CorporationInventors: Michael James Knee, Bruce Fairbairn Devlin, Nicholas Dominic Wells
-
Patent number: 6275861Abstract: Flows in data streams are identified according to a simple but flexible device whereby searching for a flow identification is done according to a standard routine that can be accomplished with customized circuitry. Flexibility is achieved by allowing parameters of the search routine to be specified in memory which can be programmably altered. Speed and flexibility are thereby both achieved.Type: GrantFiled: September 15, 1997Date of Patent: August 14, 2001Assignee: PMC-Sierra, Inc.Inventors: Imran Chaudri, Srini Wishnu Seetharam
-
Patent number: 6267040Abstract: In a power steering device, a pump supplies a pressure fluid. A power cylinder has left and right chambers and is driven in accordance with a pressure difference between a pressure fluid supplied to the left chamber and that to the right chamber. A flow channel selector valve selectively switches a supply direction of the pressure fluid from the pump to the chambers of the power cylinder in response to steering operation of a steering wheel. Fluid paths connect the flow channel selector valve and the corresponding chambers of the power cylinder to each other. Variable restrictors are disposed in the fluid paths, respectively, to control flow rate of the pressure fluid from the power cylinder to the flow channel selector valve. Check valves are respectively connected to the fluid paths in parallel to the corresponding variable restrictors to prevent a flow of the pressure fluid from the power cylinder to the flow channel selector valve.Type: GrantFiled: July 26, 1999Date of Patent: July 31, 2001Assignee: Bosch Braking Systems Co., Ltd.Inventors: Hirotetsu Sonoda, Tatsuya Fukushima
-
Patent number: 6267566Abstract: An oil pump includes pump constituent elements, a pump body, and a driving shaft. The pump constituent elements define a pump chamber between a rotor and a cam ring that houses the rotor. The pump body is constituted by a front body and a rear body. The front body defines a housing space for housing the pump constituent elements. The driving shaft extends through and is axially supported by the front body to rotatably drive the rotor. An annular space is formed around the driving shaft in the front body, between a bearing for rotatably driving the driving shaft of the front body, and the pump chamber of the pump constituent elements. A flow control valve is placed in the annular space to return part of a pump discharge fluid from the pump chamber to a pump suction side.Type: GrantFiled: June 21, 1999Date of Patent: July 31, 2001Assignee: Jidosha Kiki Co., Ltd.Inventors: Hideo Konishi, Toyoji Takebuchi
-
Patent number: 6259390Abstract: A method and apparatus are provided for generating output pulses or oscillations in response to input analog waveforms which involves exciting, with a known but arbitrary analog waveform, a circuit with a variable operating point and having a transfer function characterized by an unstable operating region bounded by a first stable operating region and a second stable operating region. The analog waveform is characterized by having a first information region and a second information region. In response to sensing the first and second information regions, the operating point of the circuit is forced into its unstable and stable regions. This produces a sequence of oscillatory and non-oscillatory behavior at the circuit's output.Type: GrantFiled: October 28, 1999Date of Patent: July 10, 2001Assignee: National University of SingaporeInventor: Jurianto Joe
-
Patent number: 6255968Abstract: In a data compression method of sequentially sampling an analog input signal at discrete sample points, and classifying a plurality of obtained sample values into a plurality of sections, a sampling string made up of sample values included in each section is set as the first sampling string. A function which takes a sample value at a predetermined sample point included in the first sampling string and is approximated to the first sampling string is generated. A parameter defining the function is output as an element of compressed data. A second sampling string made up of sample values obtained at respective sample points by the function is generated. Predetermined calculation is performed between two sample values at identical sample points in the first and second sampling strings for each section to calculate a new sample value, thereby creating a third sampling string in which a new sample value at an arbitrary sample point is 0.Type: GrantFiled: November 3, 1999Date of Patent: July 3, 2001Assignee: NuCORE Technology Inc.Inventor: Shuji Kitagawa
-
Patent number: 6256607Abstract: An automatic recognition system and method divides observation vectors into subvectors and determines a quantization index for the subvectors. Subvector indices can then be transmitted or otherwise stored and used to perform recognition. In a further embodiment, recognition probabilities are determined for subvectors separately and these probabilities are combined to generate probabilities for the observed vectors. An automatic system for assigning bits to subvector indices can be used to improve recognition.Type: GrantFiled: September 8, 1998Date of Patent: July 3, 2001Assignee: SRI InternationalInventors: Vassilios Digalakis, Leonardo Neumeyer, Stavros Tsakalidis, Manolis Perakakis