Abstract: A tag has a circuit portion that functions as a reader capable of wireless communication with other tags. According to a different aspect, a tag has a circuit portion with first and second modes, the circuitry consuming less power in the second mode than the first mode, and exiting the second mode only in response to an act by a human. According to yet another aspect, a tag can receive wireless communications conforming to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. The tag responds to receipt of a predetermined wireless signal conforming to the one protocol by carrying out one of first action that includes causing the tag to enter an electronically secure state, or a second action that includes causing the tag to exit the electronically secure state.

Abstract: A tag can communicate according to a cellular telephone network communication protocol, and includes one of: passive circuitry, semi-passive circuitry, or circuitry capable of communicating according to a radio frequency identification communication protocol or a satellite communication protocol. According to a different aspect, a tag can receive satellite signals containing positioning information, and can transmit according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to yet another aspect, a tag can transmit according to each of first and second communication protocols that are each one of a radio frequency identification communication protocol, a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol.

Abstract: A tag detects a condition, and selectively operates a portion of its circuitry in first and second modes as a function of information regarding the selected condition, the portion consuming less power in the second mode than the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to a different aspect, a tag carries out geofencing analysis, and selectively operates a portion of its circuitry in first and second modes as a function of results of the geofencing analysis, the portion consuming less power in the second mode than in the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol.

Abstract: A tag responds to receipt of a short-range wireless signal by altering the operation of a transmitter that transmits long-range wireless signals containing a unique tag identification, and conforming to a satellite or cellular network communication protocol. According to a different aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a receiver that receives long-range wireless signals containing positioning information, the tag determining location information from the positioning information. According to another aspect, a tag responds to receipt of a short-range wireless signal by altering operation of a sensor section having a sensor responsive to a condition.

Abstract: A tag has a circuit portion that functions as a reader capable of wireless communication with other tags. According to a different aspect, a tag has a circuit portion with first and second modes, the circuitry consuming less power in the second mode than the first mode, and exiting the second mode only in response to an act by a human. According to yet another aspect, a tag can receive wireless communications conforming to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. The tag responds to receipt of a predetermined wireless signal conforming to the one protocol by carrying out one of first action that includes causing the tag to enter an electronically secure state, or a second action that includes causing the tag to exit the electronically secure state.

Abstract: A tag has a sensor that can detect a condition in the region of the tag. The tag effects an operational adjustment relating to the sensor based on sensor configuration information in a received wireless signal. According to a different aspect, a tag can receive wireless signals containing positioning information, and wireless signals containing location information indicating with a first accuracy the current location of the tag. The further signals conform to one of a radio frequency identification communication protocol, a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. The tag determines from the positioning information with a second accuracy greater than the first accuracy the current location of the tag, the tag being responsive to the location information for more rapidly effecting the determination with the second accuracy.

Abstract: A tag detects a condition, and selectively operates a portion of its circuitry in first and second modes as a function of information regarding the selected condition, the portion consuming less power in the second mode than the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to a different aspect, a tag carries out geofencing analysis, and selectively operates a portion of its circuitry in first and second modes as a function of results of the geofencing analysis, the portion consuming less power in the second mode than in the first mode, and being capable of wireless communication according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol.

Abstract: A tag can communicate according to a cellular telephone network communication protocol, and includes one of: passive circuitry, semi-passive circuitry, or circuitry capable of communicating according to a radio frequency identification communication protocol or a satellite communication protocol. According to a different aspect, a tag can receive satellite signals containing positioning information, and can transmit according to one of a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol. According to yet another aspect, a tag can transmit according to each of first and second communication protocols that are each one of a radio frequency identification communication protocol, a cellular telephone network communication protocol, a satellite communication protocol, and a wireless computer network communication protocol.