DR. PETER THOMAS WALSH, M.D.
Medical Practice at Pinion Dr, Colorado Springs, CO

6061159, May 9, 2000

Sep 27, 1996

8/721745

Peter J. Walsh - Colorado Springs CO

Hewlett-Packard Company - Palo Alto CA

H04B 1000

359152

Disclosed is a mixed fiber adapter cable, which is capable of performing direct data transfers from a multi-mode transceiver of a first FDDI node and a single-mode transceiver of a second FDDI node. The mixed fiber adapter cable comprises a multi-mode graded index optical fiber and a single-mode step index optical fiber. The multi-mode graded index fiber conducts an optical signal from an LED source of a multi-mode FDDI connector/transceiver combination to a photodetector receiver of a single-mode connector/transceiver. Conversely, the single-mode step index fiber conducts an optical signal from a laser source of a single-mode FDDI connector/transceiver combination to a photodetector receiver of the multi-mode connector/transceiver at the other end. This adapter cable is possible because the photodetectors of both the single-mode transceiver and the multi-mode transceiver accept optical input from either source with corresponding fiber type. Thus, the mixed fiber adapter cable will permit laser signals to be transmitted from the single-mode transceiver to the multi-mode transceiver and light signals to be transmitted from the multi-mode transceiver to the single-mode transceiver.

7548515, Jun 16, 2009

Mar 24, 2005

11/088986

Peter J. Walsh - Colorado Springs CO, US

Agilent Technologies, Inc. - Santa Clara CA

H04L 12/26, H04L 12/28, H04B 1/44, H04M 1/24, H04M 3/08, G05B 11/01

370241, 370282, 379 103, 379 3201, 34031015, 34031016

An apparatus to actively monitor a network having a plurality of twisted-pair communication links. The apparatus includes a plurality of amplifiers corresponding, respectively, to the plurality of twisted-pair communication links, each amplifier having a sufficiently high input impedance and common-mode voltage tolerance to non-intrusively copy a data signal transmitted through a corresponding twisted-pair communication link and amplify the copied data signal. The apparatus further includes a plurality of isolation transformers corresponding, respectively, to the plurality of amplifiers, each isolation transformer receiving the amplified, copied data signal from the corresponding amplifier, and outputting a transformed data signal, and a connector receiving the transformed data signals from the plurality of isolation transformers in a pin order corresponding to the plurality of twisted-pair communication links. A protocol analyzer is also provided to receive the transformed data signals via the connector for decoding and monitoring purposes.

5600470, Feb 4, 1997

Jun 21, 1993

8/080378

Peter J. Walsh - Colorado Springs CO

Hewlett-Packard Co - Palo Alto CA

H04B 1000

359152

Disclosed is a mixed fiber adapter cable, which is capable of performing direct data transfers from a multi-mode transceiver of a first FDDI node and a single-mode transceiver of a second FDDI node. The mixed fiber adapter cable comprises a multi-mode graded index optical fiber and a single-mode step index optical fiber. The multi-mode graded index fiber conducts an optical signal from an LED source of a multi-mode FDDI connector/transceiver combination to a photodetector receiver of a single-mode connector/transceiver. Conversely, the single-mode step index fiber conducts an optical signal from a laser source of a single-mode FDDI connector/transceiver combination to a photodetector receiver of the multi-mode connector/transceiver at the other end. This adapter cable is possible because the photodetectors of both the single-mode transceiver and the multi-mode transceiver accept optical input from either source with corresponding fiber type. Thus, the mixed fiber adapter cable will permit laser signals to be transmitted from the single-mode transceiver to the multi-mode transceiver and light signals to be transmitted from the multi-mode transceiver to the single-mode transceiver.

5365509, Nov 15, 1994

Nov 18, 1992

7/978052

Peter J. Walsh - Colorado Springs CO

Hewlett-Packard Company - Palo Alto CA

H04J 116

370 13

Disclosed is a system that monitors the signal strength of each transmission by a node on a LAN cable of a local area network and determines the location of the node sending the signal. This system has a monitor at each end of the LAN cable, with one of the monitors typically being located in a computer node attached to the cable. When an information frame is sent on the cable, each of the monitors records the signal strength of the frame preamble and the source address contained within the frame. The distance to the node from a first end of the cable is calculated based on the signal strengths. A LAN collision trap circuit transmits a pseudo frame signal, of maximum length, periodically and monitors any collision or jam signals that occur during the pseudo frame. If a collision or jam is detected, a collision/jam information bit and the signal strength and time of the collision or jam, relative to the beginning of the pseudo frame, is recorded in a FIFO. Software within the system reads this FIFO, and determines, based on the collision/jam information bit and time, if a valid early collision, an invalid late collision or a jam was detected.

5825516, Oct 20, 1998

Jul 25, 1996

8/686289

Peter J. Walsh - Colorado Springs CO

Hewlett-Packard Company - Palo Alto CA

H04B 1012, H04B 1006

359112

An optical power meter for a fiber optic link includes a photodetector that generates a current proportional to the energy of the light transmission in the fiber optic, a current-to-voltage converter that converts the current to a proportional voltage, and a voltage-to-frequency converter that converts the voltage to a digital pulse train proportional to the amplitude of the voltage. The digital pulse train increments a counter, which is read periodically by a microprocessor. The value read by the microprocessor corresponds to the average power in the light transmission. This digital value is converted to a power value in dBm and stored on a mass storage device and displayed on a liquid crystal display. The liquid crystal display shows the power level over time so that losses due to intrinsic and extrinsic loss factors can be quickly and easily identified. The power meter also includes software executed by the microprocessor that allows the user to input a range within which the power can fluctuate.

7710891, May 4, 2010

Dec 14, 2004

11/010259

Peter J. Walsh - Colorado Springs CO, US
Robert Geoffrey Ward - Colorado Springs CO, US
Roger William Ruhnow - Monument CO, US

Agilent Technologies, Inc. - Santa Clara CA

H04L 12/26, H04J 3/02

370252, 37039551, 370540, 455 6711

A concentrator multiplexes network data from different links in a network and carried on a plurality of lower speed lines into multiplexed network data carried on a higher speed line. A line interface module demultiplexes the multiplexed network data carried on the higher speed line, assembles the demultiplexed network data into cells, and reassembles cells into packets for analysis. A single distributed network analyzer analyzes the reassembled network data.

2007023, Oct 4, 2007

Apr 3, 2006

11/397452

Peter Walsh - Colorado Springs CO, US

H04B 10/00

398155000

An optical communication interface for insertion into an optical network is capable of automatically recovering an embedded clock from a received optical signal across multiple communication standards. An optical receiver receives an optical signal and converts it into an electrical signal having the embedded clock. A frequency selector controller automatically selects between at least two reference frequencies from different optical communication standards to provide to a clock data recovery block for use in recovering the embedded clock.

2007005, Mar 15, 2007

Sep 15, 2005

11/226209

Peter Walsh - Colorado Springs CO, US

H01R 3/00

439490000

A connector for connecting first and second electronic devices together. The first electronic device has a light emitting device to indicate a status, and the connector body forms a light pipe to guide light from the light emitting device to outside of the connector body so that the guided light can be viewed outside of the connector to thereby determine the status of the connection.