Patent ID: 8205800
Filing Date: 2012-06-26
Classification: G06K

Abstract:
1. A data transfer system comprising: a) a radio frequency identification (RFID) reader disposed in a hand held device comprising: b) a RFID tag on a container comprising: c) wherein the radio frequency transmitter provides power to the RFID tag sufficient to power the electronic circuit and to transmit a signal to the receiver which can be decoded by the RFID reader; and d) wherein the RFID tag decodes a signal modulating the light beam from the laser wherein only one or more first types of predetermined modulated signals will cause the RFID tag to transmit, wherein one or more second types of modulated signals will cause the RFID tag to switch to an operating mode wherein the RFID tag will operate irrespective of the state of the first photosensitive device.