Miller; Edward L. - US Patent Attorneys and Agents

Attorney: Miller; Edward L.

Number of patents: 214
Last date: May 29, 2007

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Number	Title	Issue Date
7225090	Method for measuring capacitance and equivalent parallel resistance CX is measured in the presence of RP by charging CX with a constant current IC for a period time and taking four (time, voltage) pairs: (tA,VA), (tB,VB), (tC,VC	05/29/2007
7176819	Precision low noise-delta-sigma ADC with AC feed forward and merged coarse and fine results A delta-sigma converter has coarse and fine ADCs, wherein an integrated error signal is coupled to the coarse ADC whose output drives a DAC to create feedback that achieves loop balance. The coarse ADC provides the most significant bits of the result. The integrated...	02/13/2007
7163424	Housing for a thin active probe A housing for a thin active probe has two identical molded housing-halves that when assembled form a cavity that encloses the chassis upon which is carried the active circuitry of the probe. The parts exhibit complementary self-symmetry about a longitudinal axis, su...	01/16/2007
7116121	Probe assembly with controlled impedance spring pin or resistor tip spring pin contacts Uncontrolled characteristic impedance along a spring biased pin probe assembly is avoided by providing a stepped shelf of ground plane that extends outward along the pin and toward the target signal. The length of outward extension is chosen such that even when ther...	10/03/2006
6982550	Unbreakable micro-browser A solution to the problem of broken micro-browser probe assemblies caused by the accidental application of excessive force is to manufacture the rods out of a material that resists forces found in normal usage and appears stiff, but that will abruptly deform harmles...	01/03/2006
6980932	Digital measurements of spread spectrum clocking RF spectrum and FM characteristics of an SSC clock signal are measured with a high speed single-bit test channel that can be present in the Agilent 93000 SOC System. The SSC clock of interest is applied to one of the high-speed single-bit test channels. A convention...	12/27/2005
6970113	Method for generation of even numbered reduced gray codes A cyclic reduced Gray code in n-many bits having 2k-many entries, for any natural number k, where 2(n−1)	11/29/2005
6958754	Bookmarks for a digital oscillographic instrument A digital oscilloscope assists in the process of identifying, cataloging and restoring views of interest within a stored trace acquisition by implementing the notion of bookmarks. In response to a command to establish a bookmark, the scope takes note of selected dis...	10/25/2005
6949919	Unbreakable micro-browser A solution to the problem of broken micro-browser probe assemblies caused by the accidental application of excessive force is to manufacture the rods out of a material that resists forces found in normal usage and appears stiff, but that will abruptly deform harmles...	09/27/2005
6934646	Waveform complexity detector Trial decimations are performed on an acquired waveform. Each trial produces a sequence of packets applied to a complexity detection circuit. Each packet contains a decimation value to be used in place of acquisition values to be suppressed along a decimation sample...	08/23/2005
6933713	High bandwidth oscilloscope probe with replaceable cable A probe pod housing is connected by a cable to an active probe. The probe pod housing carries a male push-on precision BNC connector that is also a cross-series adapter. The center conductor of the cable receives a male connector that then mates with the non-BNC end...	08/23/2005
6901339	Eye diagram analyzer correctly samples low dv/dt voltages A sampling transition-detector sets two latches to different values when an input signal comparator referenced to the selected voltage transitions during a sample interval: at the beginning one latch receives one comparison value while at the end the other latch rec...	05/31/2005
6884099	Positive locking push-on precision BNC connector for an oscilloscope probe The push-on latching function of a male BNC latch carried in a housing, and the positive locking of fully mated male and female connectors, are performed by three parts: The first is a male double shell assembly having two male sleeves that receive an intervening BN...	04/26/2005
6876241	Circuit for generating from low voltage edges higher voltage pulses having precise amplitudes and durations A low voltage source of input edges is AC coupled to positive and negative edge differentiators. Each differentiator briefly drives ON a corresponding normally OFF switch, the pair of which switches serves as an impulse driver and that may be clamped to symmetrical ...	04/05/2005
6871152	Method and apparatus for performing eye diagram measurements An eye diagram analyzer equips each SUT data and clock signal input channel with individually variable delays in their respective paths. For a range of signal delay of n-many SUT clock cycles, the SUT clock signal delay might be set at about n/2. For each data chann...	03/22/2005
6851076	Memory tester has memory sets configurable for use as error catch RAM, Tag RAM's, buffer memories and stimulus log RAM The various functions that are desirable for interior test memory within a memory tester are implemented in Memory Sets each serving as the host for one or sometimes more of such functions. For certain classes of testing a portion of interior test memory can be used...	02/01/2005
6834364	Algorithmically programmable memory tester with breakpoint trigger, error jamming and 'scope mode that memorizes target sequences A trigger signal for a memory tester uses a (breakpoint) trigger qualified according to what part of the test program is being executed. The qualified breakpoint trigger can be delayed before becoming a system trigger signal that can be used to trigger a ‘scope mo...	12/21/2004
6825429	Hermetic seal and controlled impedance RF connections for a liquid metal micro switch One or more LIMMS devices on a substrate, possibly having same-surface signal conductors, are hermetically sealed by either: (a) Enclosing each entire LIMMS device beneath a common or respective outer cover that is separate from the LIMMS device(s) and impervious to...	11/30/2004
6823077	Simplified interpolation for an optical navigation system that correlates images of one bit resolution Interpolation along an axis is performed on a Correlation Surface Array that was created from counting the instances of difference (XOR) between corresponding pixels of single bit resolution images having trial displacements. The interpolation is performed by findin...	11/23/2004
6808407	Locking precision male BNC connector with latch mechanism allowing cable rotation A precision locking BNC male connector mates without requiring twisting of the cable or multiple bends to accommodate the rotation of the BNC latch. The shell portion of the male connector that carries the adapter connector or cable clamp on one end and that is the ...	10/26/2004
6810346	Composite eye diagrams An eye diagram analyzer assigns a plurality of SUT data signals to be members of a labeled group of channels. There may be a plurality of such groups. In addition to mere superposition in an (X, Y) display space of the various i-many (X, Y)-valued pixels for individ...	10/26/2004
6804633	Fast eye diagram analyzer uses nearest neighbor transverse to quickly discover basic eye diagrams The time needed to perform an eye diagram measurement is minimized by initially randomly investigating the (X, Y)i that lie on a “starting” line crossing the sample space and expected to intersect any eye diagram. This finds a location on the eye diag...	10/12/2004
6790080	Sub-chassis orienting connectors for a motherboard and mounted to a panel prevents connector rotation A sub-chassis bracket attached to a horizontal motherboard has holes: (a) through which the connectors pass and that space the connectors apart by an intended nominal amount; and (b) that allow the connectors to shift horizontally as needed to form the mechanical pa...	09/14/2004
6785622	Method and apparatus for performing eye diagram measurements An eye diagram analyzer equips each SUT data and clock signal input channel with individually variable delays in their respective paths. For a range of signal delay of n-many SUT clock cycles, the SUT clock signal delay might be set at about n/2. For each data chann...	08/31/2004
6783382	Push-lock precision BNC connector A housing carries a male push-lock precision BNC connector. The function of the BNC latch of the male connector carried therein is performed by a spring-biased lock ring captive in a housing and that fits snugly and concentrically over a male sleeve, resulting in a ...	08/31/2004
6777630	Liquid metal micro switches using as channels and heater cavities matching patterned thick film dielectric layers on opposing thin ceramic plates An efficient way to fabricate the channels and cavities in a LIMMS device is to form them as matching upper and lower portions each created as a patterned layer of thick film dielectric material deposited on a respective upper or lower substrate. The two portions ar...	08/17/2004
6779140	Algorithmically programmable memory tester with test sites operating in a slave mode A Test Station for a memory tester is comprised of one or more Test Sites that are each individually algorithmically controllable, that can each deal with as many as sixty-four channels, and that can be bonded together to form a Multi-Site Test Station of two or mor...	08/17/2004
6768703	Eye diagram analyzer with fixed data channel delays and swept clock channel delay Delay induced apparent amplitude desensitization in a data signal channel and its accompanying worm-like distortion in an Eye Diagram Analyzer is avoided by altering the measurement to avoid the need for any substantial delay in the path of the data channel threshol...	07/27/2004
6760676	On-screen tools for eye diagram measurements Once an eye diagram measurement is begun and there is an eye diagram displayed, different on-screen measurement tools may be used singly, or in combination. Each measurement involves indicating with cursors and line segments regions of the eye diagram that are of in...	07/06/2004
6759610	Multi-layer assembly of stacked LIMMS devices with liquid metal vias The number of LIMMS devices in an assembly is increased by stacking multiple layers of LIMMS devices on top of one another, and interconnecting those device layers at an array of solder pads using solder balls. Each device layer uses vias to bring the needed conduct...	07/06/2004
6753677	Trigger jitter reduction for an internally triggered real time digital oscilloscope Trigger jitter in an internally triggered real time digital oscilloscope can be reduced through correcting the horizontal position value obtained from a conventional trigger interpolation mechanism by an error or substitute amount learned from an inspection of the a...	06/22/2004
6750413	Liquid metal micro switches using patterned thick film dielectric as channels and a thin ceramic or glass cover plate Channels and cavities in a LIMMS device are formed from a layer of thick film dielectric material deposited on a substrate, which layer is then covered with a thin cover plate of ceramic or perhaps glass. The layer of dielectric material may be patterned using estab...	06/15/2004
6748562	Memory tester omits programming of addresses in detected bad columns A test program generates transmit vectors (stimuli) and receive vectors (expected responses). The transmit vectors are applied to the DUT, while the receive vectors are treated as comparison values used to decide if a response from the DUT is as expected. While prog...	06/08/2004
6737636	Image filters and source of illumination for optical navigation upon arbitrary surfaces are selected according to analysis of correlation during navigation Optical navigation upon grainy surfaces whose orientation is inclined at about 45° to the X and Y axes of the navigation mechanism is enhanced by: First, detect that a spatial filter in use is inappropriate for the orientation presently occurring, and; Second, empl...	05/18/2004
6732128	Reduction of periodic signals in pseudo-random noise produced with direct digital synthesis A DDS (Direct Digital Synthesis) frequency synthesizer can be adapted to operate as a pseudo random noise generator by including a swept address ingredient that distributes (but does not eliminate) repetitive frequency components that would otherwise appear in the o...	05/04/2004
6693918	Elastic buffers for serdes word alignment and rate matching between time domains A solution to the word alignment problem in a Serializer Deserializer (SERDES)/Media Access Controller environment is to have for each SERDES lane: a recovered clock, a Write Pointer counter and a FIFO. Misaligned words are simply stored in their FIFO's a...	02/17/2004
6690398	Logic analyzer with mixed textual and graphical trigger specification A logic analyzer integrates the capabilities of both textual and graphical description into a common environment, so that each can be used as needed, and in conjunction with the other. In an example embodiment a trigger specification can comprise many "st...	02/10/2004
6687861	Memory tester with enhanced post decode The data path into a post decode mechanism is altered to allow post decode to process data before or as that data is placed into a destination memory structure in interior test memory. Other data will continue to be first placed into a memory structure in...	02/03/2004
6677929	Optical pseudo trackball controls the operation of an appliance or machine An optical fingertip tracker, which may be a pseudo trackball, responds to the motion of the texture on one of the user's digits pressed against an image input aperture to produce motion signals processed within an appliance to be controlled. The applianc...	01/13/2004
6671844	Memory tester tests multiple DUT's per test site A memory tester supports testing of multiple DUT's of the same type at a test site. The tester can be instructed to replicate the segments of the test vectors needed to test one DUT on the channels for the other DUT's. This produces patterns of transmit a...	12/30/2003

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Attorney: Miller; Edward L.