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PWFL PowerFleet

APP
Utility
Cargo Sensors, Cargo-sensing Units, Cargo-sensing Systems, and Methods of Using the Same
25 Nov 21
A cargo-sensing unit including: an image sensor; a transceiver; at least one processor; and a memory having stored thereon computer program code that, when executed by the processor, controls the at least one processor to: receive, from a controlling server and through the transceiver, an instruction to capture an image of cargo space within a cargo container; control the image sensor to capture an image of the cargo space in response to receiving the instruction; and operate in accordance with a determined cargo container status based on an analysis of the captured image.
Michael Ehrman, Chris Wolfe
Filed: 3 Aug 21
GRANT
Utility
Cargo sensors, cargo-sensing units, cargo-sensing systems, and methods of using the same
10 Aug 21
A cargo-sensing unit including: an image sensor; at least one processor; and a memory having stored thereon computer program code that, when executed by the processor, controls the at least one processor to: instruct the image sensor to capture an image of a cargo space within a cargo container; compare the captured image to a baseline image of an empty cargo container; and determine, based on the comparison between the captured image and the baseline image, a cargo space utilization estimate.
Michael Ehrman, Chris Wolfe
Filed: 28 Sep 18
GRANT
Utility
Cargo sensors, cargo-sensing units, cargo-sensing systems, and methods of using the same
3 Aug 21
A cargo-sensing unit including: an image sensor; a transceiver; at least one processor; and a memory having stored thereon computer program code that, when executed by the processor, controls the at least one processor to: receive, from a controlling server and through the transceiver, an instruction to capture an image of cargo space within a cargo container; control the image sensor to capture an image of the cargo space in response to receiving the instruction; and operate in accordance with a determined cargo container status based on an analysis of the captured image.
Michael Ehrman, Chris Wolfe
Filed: 30 Sep 19
GRANT
Utility
On-board diagnostic port connector locking mechanism
13 Apr 21
A diagnostic port connector for a vehicle that includes a locking mechanism is disclosed.
Michael L. Ehrman, Vladimir Yakhnich
Filed: 8 Oct 18
GRANT
Utility
Extended-life asset tracking and sensing power source and management system
26 Jan 21
A power source and power management system including: a controller configured to transmit tracking information of the power source and power management system; an energy harvesting power source; a non-degrading rechargeable power source electrically connected to the energy harvesting power source and configured to be recharged by energy generated by the energy harvesting power source; and a power manager configured to control switching of a system power source between the energy harvesting power source and the non-degrading rechargeable power source based on a power state of the energy harvesting power source and a power state of the non-degrading rechargeable power source.
Michael L. Ehrman, James Gripp, Wojciech Grohman, Gaurav Sheth
Filed: 25 Apr 17
GRANT
Utility
Multi-access control and multi-relay systems and methods
22 Jun 20
A multi-relay including a first relay switch operable over a first current range; a second relay switch operable over a second current range; and a current sensor configured to: detect an input current; in response to the input current being within the first current range, activate the first relay switch; and in response to the input current being within the second current range, activate the second relay switch.
Michael Ehrman, Gaurav Sheth, Maulik Patel
Filed: 17 May 17
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