Reactively coupled elements in circuits on flexible substrates
AssigneePrecision Dynamics Corporation
InventorMichael L. Beigel
Life of this patent
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Abstract
An RFID circuit for incorporation in an identification device which includes a polymeric substrate, the circuit being formed or integrally connected with said substrate whereby said substrate becomes a component of the RFID circuit. Ax embodiment of the circuit includes circuit components printed or attached to opposite sides of said substrate utilizing the resistance of said substrate in a reactive or inductive circuit.
Claims14
In a radio frequency identification circuit, the combination of:
- a flexible, load-bearing and load-transmitting structural substrate;
- electrically isolated components of said circuit formed on opposite surfaces of said substrate in overlying relationship with each other whereby said substrate creates a capacitive relationship between said components;
- and
- an antenna connected to said circuit by said components.
In a radio frequency circuit, the combination of:
- a flexible, load-bearing and load-transmitting structural substrate;
- electrically isolated components of said circuit formed on opposite surfaces of said substrate in overlying relationship with each other whereby said substrate creates an inductive relationship between said components;
- and
- an antenna connected to said circuit by said components.
In a radio frequency circuit, the combination of:
- substrate means including a plurality of polymeric laminae secured in overlying relationship with one another, said laminae including a top lamina, a bottom lamina, and an intermediate lamina disposed between said top and bottom laminae, said radio frequency circuit being formed on one or more of said laminae;
- electrically isolated circuit components formed on the top and bottom surfaces of said intermediate lamina to utilize said intermediate lamina as a circuit component;
- and
- an antenna on one of said laminae connected to said radio frequency circuit by said components.
In a circuit for an RFID, the combination of:
- a flexible, load-bearing and load-transmitting structural substrate for said circuit, said substrate acting as a structural component of said RFID;
- electrically isolated circuit components formed on opposite surfaces of said substrate in overlying relationship with each other to incorporate said substrate as an operative component of said circuit;
- and
- an antenna on said substrate connected to said circuit circuit by said components.
Dependencies are inferred from the claim text.