Eric J Lanning

US Patent:

7859856, Dec 28, 2010

Filed:

Oct 23, 2006

Appl. No.:

11/552123

Inventors:

Eric J. Lanning - San Jose CA, US

International Classification:

H01R 12/16

US Classification:

361788, 714 39, 714758, 361803, 361728, 361729, 361737, 361784, 439 79, 439540

Abstract:

A protocol analyzer for analyzing traffic on a bus. A tap card is used to tap into a bidirectional bus. The tap provides a pass through connection from the card to the host and taps off of the bus. While tapping off the bus, stubs lengths are minimized and input capacitance is minimized. A repeater that preferably has no internal termination provides a differential input and a differential output or a single ended output. The bus lines are input to one of the inputs in the differential inputs and a reference voltage is provided to the other differential input. The reference voltage enables the tap to determine if the data is high or low. A jumper is also included in the tap such that the reference voltage can be selected from the host or from the pod.

US Patent:

8127190, Feb 28, 2012

Filed:

Oct 23, 2006

Appl. No.:

11/552128

Inventors:

Eric J. Lanning - San Jose CA, US

International Classification:

G01R 31/317
G01R 31/40

US Classification:

714732, 714715

Abstract:

A method for preparing tapped data for analysis. The data on a bus is sampled and latched at a certain rate to produce raw data. The raw data is then decoded by a pod that is configured for the protocol of the bus in a system under test. The decoded data can then be presented to a protocol analyzer for analysis. The decoded data and the corresponding raw data may also be aligned and then presented to an analyzer for protocol analysis.

US Patent:

8230285, Jul 24, 2012

Filed:

Oct 23, 2006

Appl. No.:

11/552122

Inventors:

Eric J. Lanning - San Jose CA, US

Assignee:

JDS Uniphase Corporation - Milpitas CA

International Classification:

G01R 31/28
G01R 27/28
G01R 31/00
G01R 31/14
G06F 11/22
G06F 17/50

US Classification:

714734, 714724, 702117, 716136

Abstract:

A protocol analyzer for analyzing traffic on a bus. A tap card is used to tap into a bidirectional bus. The tap provides a pass through connection from the card to the host and taps off of the bus. While tapping off the bus, stubs lengths are minimized and input capacitance is minimized. A repeater that preferably has no internal termination provides a differential input and a differential output. The bus lines are input to one of the inputs in the differential inputs and a reference voltage is provided to the other differential input. The reference voltage enables the tap to determine if the data is high or low. A jumper is also included in the tap such that the reference voltage can be selected from the host or from the pod.

US Patent:

20070260800, Nov 8, 2007

Filed:

Oct 23, 2006

Appl. No.:

11/552125

Inventors:

Eric J. Lanning - San Jose CA, US

Assignee:

Finisar Corporation - Sunnyvale CA

International Classification:

G06F 13/14

US Classification:

710305

Abstract:

A protocol analyzer for analyzing traffic on a bus. A system includes a tap, a pod and an analyzer. The tap includes differential inputs for the bus. One of the differential inputs is a line from the bus and the other is a reference input that has been divided. The reference input enables the system to determine whether data on the bus is high or low even in situations where the operating voltage of the bus is unknown.

US Patent:

20090027071, Jan 29, 2009

Filed:

Jul 23, 2008

Appl. No.:

12/178045

Inventors:

Eric J. Lanning - San Jose CA, US

Assignee:

Finsar Corporation - Sunnyvale CA

International Classification:

G01R 31/02

US Classification:

324754

Abstract:

A probe tap that monitors data or signals occurring within a device is disclosed. The probe tap can be used to monitor signals, data, or other communications between components of the device. The probe tap can be connected to traces, pins, or other aspects or components of a device and collects data that can be analyzed. The probe tap can include one or more leads that can be removably connected with or between components of a device. The collected data can be provided to an analyzer for analysis. A pod can be included in the probe tap that is used to prepare the data for analysis by the analyzer. Alternately or additionally, the pod can be included in the analyzer.

US Patent:

20130301696, Nov 14, 2013

Filed:

Feb 11, 2013

Appl. No.:

13/763916

Inventors:

Dale T. Smith - San Jose CA, US
Eric J. Lanning - San Jose CA, US

International Classification:

H04L 1/24

US Classification:

375229

Abstract:

Transmissions from mid-bus test equipment to a first device and from a second device to the mid-bus test equipment are equalized. Equalization instructions are passed from the first device through the mid-bus test equipment to the second device. The mid-bus test equipment changes the quality of transmissions sent to the first device in order to steer the first device to produce equalization instructions that will produce optimized transmissions from the mid-bus test equipment to the first device and from the second device to the mid-bus test equipment.

US Patent:

20230089389, Mar 23, 2023

Filed:

Dec 1, 2022

Appl. No.:

18/060649

Inventors:

- San Jose CA, US
Eric Lanning - San Jose CA, US
David Nuttall - San Jose CA, US
David Freeman - San Jose CA, US

International Classification:

H04L 47/11
H04L 43/0888
G06F 13/40
G06F 13/42

Abstract:

Various data bus monitoring, analysis, and logging systems, devices, and methods are described herein. In one example, an apparatus includes a first circuit configured to monitor first packets among traffic carried by one or more first directional lanes of a communication link established between a host and one or more endpoint devices and determine header information for the first packets. The apparatus includes a second circuit configured to detect second packets among traffic carried by one or more second directional lanes of the communication link based at least in part on the header information determined for the first packets. The apparatus includes an analysis element configured to establish transaction metadata comprising properties of transactions on the communication link based at least on correlations among the first packets and the second packets.