Hamilton Sundstrand Corporation

Goodrich Corporation

Kevin C Peterson

Adrian E Vandergrift

Brennan Fox

Christopher Derek Thornton

Michael A Wilson

Shailashri Shivappa Kuruvatti

Jeremy Henderson

A method is provided for testing discrete output signals of a device-under-test (DUT). The method includes receiving an electrical quantity at each conductive path of a plurality of conductive paths that are each coupled to respective discrete output signals of the DUT in one-to-one correspondence. The method further includes controlling application of the electrical quantity to each of the conductive path independent of application of the electrical quantity along the other conductive paths, so that a the electrical quantity is applied simultaneously to all of the conductive paths, the electrical quantity applied to each conductive path being toggled at a unique frequency having a unique period. Accordingly, a characteristic of the electrical quantity at each of the respective test output conductors over the duration of the longest period of the unique periods is indicative of any disturbance between the discrete output signals associated with the test output conductor and all of the other discrete output signals.

Frequency-based built-in-test for discrete outputs

A method for limiting control of a cargo handling system may comprise receiving, by a controller of a wireless access point, a system control request from a PED. The controller may determine a number of devices currently controlling the cargo handling system. The controller may send a first control key to the PED if the number of devices controlling the cargo handling system is fewer than a threshold number of devices or the controller may send a request denied message if the number of devices controlling the cargo handling system is greater than or equal to the threshold number of devices.

Wireless network session management

A voltage driver includes a voltage input, a voltage regulation controller including an on/off input. The voltage regulation controller is configured to control a switching converter in a first mode, a second mode, and at least one additional mode. The switching converter is configured to operate as an open pass switch in the first mode, is configured to operate as a closed pass switch in the second mode, and is configured to operate as an overcurrent and overvoltage protection switch in the at least one additional mode. A discrete output driver control and monitoring circuit can be used to control the switching converter. The output driver control and monitoring circuit includes a controller coupled to a communication bus and is configured to provide high level control instructions to the communication bus.

Voltage regulator including a buck converter pass switch

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Bloomington, IL, United States of America

Kevin C Peterson