Patent US6181287B1 successfully refreshed from Google Patents.
US6181287B1
Expired / Lapsed
US
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Reactively coupled elements in circuits on flexible substrates
Assignee: Precision Dynamics Corp
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Filing: 1998-03-03
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Granted: 2001-01-30
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Expires: 2018-03-03
Abstract
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.
Inventors
- 👤 Michael L. Beigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:13
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/2208; H01Q1/2225; G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/077; G06K19/07749; G06K19/0775; G08; G08B; G08B13/00; G08B13/22; G08B13/24; G08B13/2402; G08B13/2405; G08B13/2414; G08B13/2417; G08B13/2428; G08B13/2431; G08B13/2437; H01Q1/2241; H01Q11/00; H01Q11/12; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/28; H01Q9/285
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
55 words
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.
Claim 2
Dependent Claim
55 words
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.
Claim 3
Dependent Claim
15 words
The device of claim 1 in which the circuit components are imprinted in conductive ink.
Claim 4
Dependent Claim
15 words
The device of claim 1 in which the circuit components are fabricated from metallic foils.
Claim 5
Dependent Claim
13 words
The device of claim 1 in which the circuit components are polymer conductors.
Claim 6
Dependent Claim
54 words
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.
Claim 7
Dependent Claim
54 words
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.
Claim 8
Dependent Claim
97 words
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.
Claim 9
Dependent Claim
97 words
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.
Claim 10
Dependent Claim
13 words
The device of claim 6 wherein the circuit components provide a reactive circuit.
Claim 11
Dependent Claim
13 words
The circuit of claim 6 wherein the circuit components provide an inductive circuit.
Claim 12
Dependent Claim
27 words
The radio frequency circuit of claim 6 which includes a plurality of antennae formed on opposite sides of said intermediate lamina in overlying relationship with each other.
Claim 13
Dependent Claim
26 words
The radio frequency circuit of claim 9 in which said antennae are operatively connected to said radio frequency circuit by a capacitive circuit of said components.
Claim 14
Dependent Claim
24 words
The circuit of claim 9 in which said antennae are operatively connected to said radio frequency circuit by an inductive circuit of said components.
Claim 15
Dependent Claim
71 words
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.
Claim 16
Dependent Claim
71 words
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.
Claim 17
Dependent Claim
22 words
The circuit components of claim 12 which ate capacitive and wherein said substrate operates as the dielectric component of said circuit components.
Claim 18
Dependent Claim
22 words
The circuit components of claim 12 which are inductive and wherein said substrate operates as the dielectric component of said circuit components.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-01-30 | 2004-07-31 | 2005-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-01-30 | 2008-07-31 | 2009-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-01-30 | 2012-07-31 | 2013-01-30 | $7700.00 | Window Closed / Lapsed |