ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,442, issued on Aug. 11, was assigned to HITACHI CHANNEL SOLUTIONS CORP. (Tokyo).
"Card reader" was invented by Takeshi Kageyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To ensure reliable detection of a skimming device over an extensive area inside the card reader, it is currently necessary to install a large number of sensors, which may lead to increased manufacturing cost. A card reader for reading magnetic information while feeding, through a feed path, a card inserted into the card reader, includes: an oscillator configured to emit an ultrasonic wave to the feed path; and a receiver configured to receive the ultrasonic wave emitted ...