Lexmark International, Inc.

Neilson Gutay Navarrete

Thomas Eugene Pangburn

Brant Dennis Nystrom

Robert Henry Muyskens

Scott Richard Castle

Samuel Leo Rhodus

Tristan Santos Dalay

Oliver Ocares Quismundo

Edward Lynn Triplett

Kevin Dean Schoedinger

Scott Allan Kendall

Alexander Campos Gocotano

Daniel Lee Thomas

Scott Daniel Reeves

Alexander Lloyd Chapman

Michael Todd Phillips

Charles Ruel Gutierrez Novabos

Karl Michael Rodrigo Dela Cruz

Clare Cabahug Maxino

Printer

A system for sensing material within a container includes a container having a reservoir for storing material and an impact member configured to selectively impart an impulse force on the container to cause vibration of the container. A sensor is configured to sense the vibration of the container upon the impact member imparting the impulse force on the container. Processing circuitry in communication with the sensor is configured to determine an estimate of an amount of the material in the container based on the sensed vibration of the container.

Material sensing using container vibration

A system for an electrophotographic image forming device includes a toner container having a reservoir for storing toner and an impact member configured to selectively impart an impulse force on the toner container to cause vibration of the toner container. A sensor is configured to sense the vibration of the toner container upon the impact member imparting the impulse force on the toner container. Processing circuitry in communication with the sensor is configured to determine an estimate of an amount of toner in the reservoir based on the sensed vibration of the toner container.

Toner level sensing using toner container vibration

Unique physical unclonable function objects are created by molding pre-magnetized or post-magnetized particles into a resin. The particles form a unique physical 'fingerprint' based on the random particle size, position, polar rotation, magnetization level, particle density, etc. This invention addresses devices for accurately measuring the physical fingerprint of a PUF, specifically including the X, Y, & Z components of the magnetic field at enough discrete points on the PUF to allow a confident recognition of the identification. A structural element to which a PUF tag is affixed is described that may be used to scan the PUF tag with a smartphone magnetometer by swiping the structural element along the side of the phone and controlling the position of the PUF tag with guides.

Device and method for scanning the physical signature data of a physical unclonable function with a smartphone

Growing community of inventors

Cebu, Philippines

Neilson Gutay Navarrete