Swayze, Jr.; W. Daniel, Brady, III; W. James, Telecky, Jr.; Frederick J. - US Patent Attorneys and Agents

Attorney: Swayze, Jr.; W. Daniel, Brady, III; W. James, Telecky, Jr.; Frederick J.

Number of patents: 29
Last date: April 03, 2001

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Number	Title	Issue Date
6212588	Integrated circuit for controlling a remotely located mass storage peripheral device An integrated circuit for use in a computer system having a host computer and at least one mass storage peripheral device has a controller circuit for the mass storage peripheral device for receiving information from the device and an interface circuit to...	04/03/2001
6188211	Current-efficient low-drop-out voltage regulator with improved load regulation and frequency response A low drop-out (LDO) voltage regulator (10) and system (100) including the same are disclosed. An error amplifier (38) controls the gate voltage of a source follower transistor (24) in response to the difference between a feedback voltage (VFB)...	02/13/2001
6175422	Method and apparatus for the computer-controlled manufacture of three-dimensional objects from computer data A method and process for computer-controlled manufacture of three-dimensional objects involves dispensing a layer of a first material, such as a liquid, insoluble material onto a platform at predetermined locations corresponding to a cross-section of the ...	01/16/2001
6162060	System and method for the delivery, authoring, and management of courseware over a computer network A network system for computer aided instruction, includes a main computer including a repository for storing courseware, a network of servers connected to the main computer, a number of local area networks, each of the networks connected to a server, and ...	12/19/2000
6151186	Trim circuitry and method for accuracy improvement in current sensing for a voice coil driver of the type used to move read/write heads in a hard disk drive, or the like A circuit (10) and method for providing a drive current to a voice coil (20) to position a head (13) of a disk drive (14) includes driver circuitry (68, 70) for controlling currents flowing in the voice coil (20) and at least one sense current circuit (92...	11/21/2000
6151178	Error estimation circuit and method using an analog-to-digital converter A read channel (18) is provided for use in a mass storage system. The read channel (18) includes a plurality of circuit modules and an error estimation circuit (50). The plurality of circuit modules receive an analog data signal from a disk/head assembly ...	11/21/2000
6149438	System and method for the delivery, authoring, and management of courseware over a computer network A network system for computer aided instruction, comprises a main computer with a repository for storing courseware, a network of servers connected to the main computer, a number of local area networks, each connected to a server, and each comprising a nu...	11/21/2000
6143396	System and method for reinforcing a bond pad The reinforcing system (10, 70, 90) for a bond pad (12, 72, 92) includes at least one dielectric layer or stack (20, 21, 22, 76, 78, 96, 98) disposed under the bond pad (12, 72, 92). A reinforcing patterned structure (30, 80, 82, 100, 102) is disposed in ...	11/07/2000
6140948	Analog-to-digital converter system with amplifier gain calibration An analog-to-digital converter system 10 is provided that comprises two separate banks of capacitors that are configured with a single operational amplifier 30 for each stage 29 within the system 10. The banks of capacitors are used in an interleaved fash...	10/31/2000
6133784	Fast settling high pass filter with corner frequency adjusting circuit A fast settling high pass filter with a corner frequency adjusting circuit comprises a high pass filter having an output, the high pass filter operable to receive a feedback signal that is proportional to its output, wherein the feedback signal is operabl...	10/17/2000
6129449	Self-contained portable computing unit A data and communication system including a hand-held unit (17) and an infrared communication satellite (10) is used to provide for the interchange of data between a host computer (13), individual personal computers (15), the hand-held computing unit (17)...	10/10/2000
6128409	Systems and methods for handprint recognition acceleration A data processing system 10 is illustrated including an HPR input device 12 coupled to an HPR accelerator system 14. A general purpose processor 16 receives conventional character data from the HPR accelerator system 14 which translates raw input data rec...	10/03/2000
6127881	Multiplier circuit A multiplier circuit multiplies a reference voltage to increase the level of the reference voltage. A feedback circuit of the multiplier circuit stabilize the multiplier circuit such that a feedback voltage of said feedback circuit tends to equalize the r...	10/03/2000
6127829	Method and apparatus for the efficient test of the center frequency of bandpass filters A method and apparatus for determining the center frequency of a bandpass filter. The center frequency of a bandpass filter is determined by applying a bias voltage to a bandpass filter circuit receiving a pair of differential input voltages and producing...	10/03/2000
6121760	Turn-on controller for switch-mode regulator A switch-mode power regulator includes a turn-on controller 52 to limit, during a fixed period of time, the initial current passing through the regulator following turn-on. During this time period the storage elements of the regulator must achieve an acce...	09/19/2000
6112125	Self-tuning method and apparatus for continuous-time filters A self-tuning technique for integrated continuous-time filters. The present invention provides a method and apparatus to compensate for post-fabrication or in-operation discrepancies between desired and measured filter characteristics due to variability o...	08/29/2000
6111652	High throughput surface plasmon resonance analysis system An apparatus and method for high throughput surface plasmon resonance (SPR) sensor subarray comprising two or more SPR sensor subarrays (10) having a target layer on an SPR layer (22), wherein the SPR sensor subarrays (10) are exposed to a solution until ...	08/29/2000
6109118	Parabolic proportioning liquid sampler for fluids in horizontal tanks to accommodate accurate chemical analysis A system and method of obtaining an accurate sample of a fluid in a container comprising providing a container for accommodating a fluid to be analyzed, providing a hollow vessel of predetermined varying internal volume dimensions from one end of the vess...	08/29/2000
6108680	System and method for filtering using an interleaved/retimed architecture An interleaved all-pass section for a lattice wave digital filter, comprises a first input carrying an interleaved signal, a first adder/multiplier network (AMN) connected to said first input, a second adder/multiplier network (AMN), and a delay element c...	08/22/2000
6108153	Servo demodulator and method for synchronous servo demodulation A servo demodulator (20) is provided for generating a track identification signal (148) and a position error signal (150) from a servo wedge signal, such as a filtered servo wedge signal (112), in response to the processing of the servo wedge signal by a ...	08/22/2000
6107853	Sense amplifier based flip-flop A flip-flop including a first stage and a second stage. The first stage receives a pair of differential signals to generate a set and reset signal. The complement of the set and reset signal generates output signals Q and Q. These signals have equal risin...	08/22/2000
6107840	Method and apparatus for eliminating asymmetry error in servo de-modulation using peak-to-peak detection of servo burst amplitudes A circuit to generate a servo burst signal, including a circuit to generate a first differential signal and a second differential signal, a first half wave rectifier to rectify the first differential signal and to generate a first rectified signal, a seco...	08/22/2000
6101229	Data synchronization method and circuit using a timeout counter A data synchronization method and circuit are provided. A data synchronization circuit (28) includes a header timer (40), a timeout counter (44), a compare circuit (46), and a synchronization field register (48) for use in a read channel (10). During a re...	08/08/2000
6101227	Detector and method for detecting defects in the magnetic media of a mass storage system A detector and method for detecting defects in the magnetic media of a disk drive mass storage system (30) are provided. The detector may include a viterbi detector (54), having a metric circuit (53) and a trellis circuit (55), for use in a read channel (...	08/08/2000
6100719	Low-voltage bus switch maintaining isolation under power-down conditions A control circuit for a low-voltage bus switch where the control circuit keeps the bus switch open by stealing power from switch I/O terminals during the loss of supply voltage and thereby maintaining bus isolation. The control circuit also provides a goo...	08/08/2000
6097780	Track counter The track counter circuit of the present invention is for counting tracks. The circuit indicates a circuit for generating a first signal indicating a first track has been crossed and a second signal indicating a second track has been crossed after the fir...	08/01/2000
6081210	Sliding block (rate 8/9) trellis code for magnetic recording A method and system for encoding user data bits for magnetic recording channels that produces a stationary trellis and that limits the burst error propagation to three user bytes. The input data bits are grouped into even bytes and odd bytes. The even byt...	06/27/2000
6069522	Circuitry and method for providing boost and asymmetry in a continuous-time filter A capacitor current sensing circuitry (100) for sensing the current through a bandpass capacitor (20) of a first biquad stage (80) and generating an output current in response. The capacitor current sensing circuitry (100) includes a differential input ci...	05/30/2000
6057567	Integrated circuit and method Heterojunction bipolar transistors (130) with bases (138) including an etch stop element are disclosed. The preferred embodiment devices have Alx Ga1-x As emitters (140) and GaAs collectors (136) and bases (138) with Iny G...	05/02/2000

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Attorney: Swayze, Jr.; W. Daniel, Brady, III; W. James, Telecky, Jr.; Frederick J.