초록 ▼

An enclosed transceiver includes an integrated circuit and a battery together laminated between two films. Printed conductors on each film couple operative power to the integrated circuit. Other printed conductors form an antenna coupled to the transceiver for sending and receiving signals. In a pre

An enclosed transceiver includes an integrated circuit and a battery together laminated between two films. Printed conductors on each film couple operative power to the integrated circuit. Other printed conductors form an antenna coupled to the transceiver for sending and receiving signals. In a preferred embodiment, the integrated circuit has three terminals. The first terminal is connected to a first side of a thin film battery. The second terminal is connected to a first side of a printed loop antenna. The third terminal serves two purposes being connected to the second side of the battery and to the second side of the loop antenna. The enclosing films are treated with silicon nitride for hermeticity. Enclosed transceivers of the present invention are suitable for mass production in web, sheet, and tape formats. Such transceivers are useful as stamps, labels, and tags in object tracking systems including systems for mail delivery, airline baggage tracking, and inventory control.

대표청구항 ▼

[ What is claimed is:] [1.] A radio frequency identification (RFID) transceiver comprising:a thin, substantially planar substrate;an RFID transceiver circuit mounted on the substrate, includinga receiver circuit having a first antenna contact, anda transmitter circuit having a first antenna contact

[ What is claimed is:] [1.] A radio frequency identification (RFID) transceiver comprising:a thin, substantially planar substrate;an RFID transceiver circuit mounted on the substrate, includinga receiver circuit having a first antenna contact, anda transmitter circuit having a first antenna contact connected to the first antenna contact of the receiver circuit; andfirst and second dipole antennas lying substantially in the plane of the substrate, the first dipole antenna being substantially perpendicular to the second dipole antenna, wherein the two dipole antennas intersect at their respective centers;wherein the first dipole antenna has a first antenna contact connected to the first antenna contact of the receiver circuit and to the first antenna contact of the transmitter circuit; andwherein the second dipole antenna has a first antenna contact connected to the first antenna contact of the receiver circuit and to the first antenna contact of the transmitter circuit.