Patent ID: 9198608
Filing Date: 2015-12-01
Classification: A61B,A61J,B65D,G08B,H01Q,H04B

Abstract:
1. A system for communication comprising: a container defining an opening and configured to contain a food, wherein the container includes a lid to secure the opening of the container and the food is an electrically conductive liquid; and an event indicator configured to transmit a signal, wherein the event indicator comprises: wherein at least one of the first material and second material is zinc, the voltage potential also being produced when the zinc reacts with air to produce the voltage potential to activate the event indicator as the lid is removed, wherein the event indicator produces and transmits the signal upon such activation; and an ingestible indicator located in the electrically conductive liquid and configured to transmit a second signal, wherein the ingestible indicator includes a coating to prevent interaction of the ingestible indicator with the electrically conductive liquid.