{
"$type": "site.standard.document",
"description": "In an embodiment a method for dynamic power control of a power level transmitted by an antenna of a contactless reader is disclosed. The method may include supplying a power to the antenna and performing at least one power adjusting cycle for adjusting a power level during a contactless transaction…",
"path": "/patents/1291393",
"publishedAt": "2021-05-27T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"G06K19/0701",
"STMicroelectronics (Rousset) SAS"
],
"textContent": "In an embodiment a method for dynamic power control of a power level transmitted by an antenna of a contactless reader is disclosed. The method may include supplying a power to the antenna and performing at least one power adjusting cycle for adjusting a power level during a contactless transaction with a transponder, each power adjusting cycle including modifying the power supplied to the antenna to a predetermined level of power, performing a first measuring of a loading effect on the antenna at the predetermined level of power and adjusting the power level according to the measured loading effect.",
"title": "METHOD OF MONITORING AND CONTROLLING A LEVEL OF POWER TRANSMITTED BY AN ANTENNA OF A CONTACTLESS COMMUNICATION DEVICE"
}