US5691698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Identification and/or sensor system
Assignee: Siemens AG
•
Filing: 1995-04-17
•
Granted: 1997-11-25
•
Expires: 2015-04-17
Abstract
Abstract An identification and/or sensor system includes an identification and/or sensor configuration having resonators for determining at least one parameter to be interrogated. The resonators have a quality being good enough to effect a storage of energy in the resonators. A transmitting and receiving apparatus transmits interrogation signals by radio to the identification and/or sensor configuration and receives and evaluates reply signals transmitted back from the identification and/or sensor configuration. The transmitting and receiving apparatus is a broadband device.
Inventors
- 👤 Gerd Scholl
- 👤 Leonhard Reindl
- 👤 Werner Ruile
- 👤 Thomas Ostertag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:10
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/0672; G06K19/0675; G01; G01S; G01S13/00; G01S13/74; G01S13/75; G01S13/751; G01S13/753; G01S13/755; G06K7/00; G06K7/10; G06K7/10009
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
193 words
A system for at least one of identification and sensing, comprising: a transmitting and receiving apparatus transmitting broadband interrogation signals by radio; a configuration for at least one of identification and sensing having resonators for determining at least one parameter to be interrogated, said resonators having a figure of merit enabling said resonators to store energy from a broadband radio signal received from said transmitting and receiving apparatus, whereby the stored energy decays according to a time function and is transmitted back to said transmitting and receiving apparatus as a reply signal; and said transmitting and receiving apparatus transmitting interrogation signals by radio to said configuration for at least one of identification and sensing and receiving and evaluating reply signals transmitted back form said configuration for at least one of identification and sensing, said transmitting and receiving apparatus being a broadband device; wherein said resonators are SAW resonators forming an encoding of said configuration; wherein said configuration further has a receiving/transmitting antenna and said resonators are activated/deactivated by switching-on/switching-off said resonators to/from said configuration receiving/transmitting antenna by selective operation of switching means by a user to selectively program the code of said configuration.
Claim 2
Independent Claim
193 words
A system for at least one of identification and sensing, comprising: a transmitting and receiving apparatus transmitting broadband interrogation signals by radio; a configuration for at least one of identification and sensing having resonators for determining at least one parameter to be interrogated, said resonators having a figure of merit enabling said resonators to store energy from a broadband radio signal received from said transmitting and receiving apparatus, whereby the stored energy decays according to a time function and is transmitted back to said transmitting and receiving apparatus as a reply signal; and said transmitting and receiving apparatus transmitting interrogation signals by radio to said configuration for at least one of identification and sensing and receiving and evaluating reply signals transmitted back form said configuration for at least one of identification and sensing, said transmitting and receiving apparatus being a broadband device; wherein said resonators are SAW resonators forming an encoding of said configuration; wherein said configuration further has a receiving/transmitting antenna and said resonators are activated/deactivated by switching-on/switching-off said resonators to/from said configuration receiving/transmitting antenna by selective operation of switching means by a user to selectively program the code of said configuration.
Claim 3
Dependent Claim
13 words
The system according to claim 1, wherein said resonators have different phase positions.
Claim 4
Dependent Claim
39 words
The system according to claim 1, wherein said configuration for at least one of identification and sensing is a sensor configuration to be interrogated, and said resonators include at least one SAW resonator for detecting at least one variable.
Claim 5
Dependent Claim
17 words
The system according to claim 3, wherein said resonators include a plurality of resonators having different mid-frequencies.
Claim 6
Dependent Claim
59 words
The system according to claim 1, wherein said transmitting and receiving apparatus includes a transmitting device for transmitting an interrogation pulse and a receiving device containing a Fourier transformation configuration for transforming a signal being transmitted back by said configuration for at least one of identification and sensing and being present in an amplitude/time spectrum, into an amplitude/frequency spectrum.
Claim 7
Dependent Claim
40 words
The system according to claim 5, wherein said configuration for at least one of identification and sensing is an identification mark ID tag to be interrogated, and said resonators are frequency-shifted SAW resonators forming an encoding of said ID tag.
Claim 8
Dependent Claim
20 words
The system according to claim 6, wherein a given number of said SAW resonators are encoded by activating/deactivating individual resonators.
Claim 9
Independent Claim
153 words
A system for at least one of identification and sensing, comprising: a configuration for at least one of identification and sensing having resonators for determining at least one parameter to be interrogated, said resonators storing energy from a broadband radio signal received thereby, which energy decreases in accordance with a time function; and a transmitting and receiving apparatus transmitting interrogation signals by radio to said configuration for at least one of identification and sensing and receiving and evaluating reply signals transmitted back from said configuration for at least one of identification and sensing, said transmitting and receiving apparatus being a broadband device; wherein said resonators are SAW resonators forming an encoding of said configuration; wherein said configuration further has a receiving/transmitting antenna and said resonators are activated/deactivated by switching-on/switching-off said resonators to/from said configuration receiving/transmitting antenna by selective operation of switching means by a user to selectively program the code of said configuration.
Claim 10
Independent Claim
153 words
A system for at least one of identification and sensing, comprising: a configuration for at least one of identification and sensing having resonators for determining at least one parameter to be interrogated, said resonators storing energy from a broadband radio signal received thereby, which energy decreases in accordance with a time function; and a transmitting and receiving apparatus transmitting interrogation signals by radio to said configuration for at least one of identification and sensing and receiving and evaluating reply signals transmitted back from said configuration for at least one of identification and sensing, said transmitting and receiving apparatus being a broadband device; wherein said resonators are SAW resonators forming an encoding of said configuration; wherein said configuration further has a receiving/transmitting antenna and said resonators are activated/deactivated by switching-on/switching-off said resonators to/from said configuration receiving/transmitting antenna by selective operation of switching means by a user to selectively program the code of said configuration.
References Cited (Backward Citations)
US4096740A
Cited
US4462011A
Cited
US4625208A
Cited
GB2208058A
Cited
US4752680A
Cited
US4737790A
Cited
US4746830A
Cited
US5056055A
Cited
US5144262A
Cited
GB2238210A
Cited
GB2246492A
Cited
US5359250A
Cited
US5381137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-11-24 | 2001-05-26 | 2001-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-24 | 2005-05-26 | 2005-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-24 | 2009-05-26 | 2009-11-25 | $7700.00 | Window Closed / Lapsed |