The system of the present invention includes a conductive element, an electronic component, and a partial power source in the form of dissimilar materials. Upon contact with a conducting fluid, a voltage potential is created and the power source is completed, which activates the system. The electronic component controls the conductance between the dissimilar materials to produce a unique current signature. The system can be used in a variety of different applications, including as components of ingestible identifiers, such as may be found in ingestible event markers, e.g., pharma-informatics enabled pharmaceutical compositions.

Power sources that enable in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body power sources of the invention include a solid support, a first high surface area electrode and a second electrode. Embodiments of the in-power sources are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the power sources of the invention.

Power sources that enable in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body power sources of the invention include a solid support, a first high surface area electrode and a second electrode. Embodiments of the in-power sources are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the power sources of the invention.

Power sources that enable in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body power sources of the invention include a solid support, a first high surface area electrode and a second electrode. Embodiments of the in-power sources are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the power sources of the invention.

Power sources that enable in-body devices, such as implantable and ingestible devices, are provided. Aspects of the in-body power sources of the invention include a solid support, a first high surface area electrode and a second electrode. Embodiments of the in-power sources are configured to emit a detectable signal upon contact with a target physiological site. Also provided are methods of making and using the power sources of the invention.

The human body sensing device includes a contact sensing unit that includes a sensing electrode and a signal electrode, an activation module that senses a contact with a body through the sensing electrode when the sensing electrode and the signal electrode contact the body and outputs a wake-up signal in response to the sensing of the contact, and a human body communication unit that provides a ground voltage to the signal electrode and outputs a data signal to the signal electrode when the wake-up signal from the activation module is received.

An ultrasonic communication system and method provide a networking framework for wearable devices based on ultrasonic communications. The ultrasonic communication system and method incorporate a set of physical, data link, network and application layer functionalities that can flexibly adapt to application and system requirements to efficiently distribute information between ultrasonic wearable devices.

The present technology relates to a communication device, a communication method, and a program that enable improvement in security of electric field communication. Biological information about a user is detected in accordance with an action of the user, and electric field communication being performed by an electric field communication unit is controlled in accordance with the biological information. The present technology can be applied to communication devices that perform electric field communication using an electric field, such as intra-body communication using the human body as a communication medium.

Remote measuring and sensing. Some example embodiment related to optical energy harvesting by identification device, such as infrared identification device GRID devices). Other embodiments relate to RFID device localization using low frequency source signals. Yet still other embodiments related to energy harvesting by RFID in electric fields in both conductive and non-conductive environments.

A system for cardiac monitoring and therapy includes a mother device configured to receive signals indicative of cardiac electrical activity in a patient's heart. The mother device includes a mother wireless communications module configured to transmit and receive information to d and from the mother device. The system also includes a satellite device configured to receive the signals indicative of the cardiac electrical activity in the patient's heart from a remote location relative to the mother device and includes a satellite wireless communications module configured to transmit from and receive communications sent to the satellite device to at least communicate with the mother wireless communications module. The system also includes a processor configured to receive the signals indicative of the cardiac electrical activity in the heart received by the mother device and the satellite device and, based thereon, control delivery of electrical therapy to the patient's heart.