Patent US5214409A successfully refreshed from Google Patents.
US5214409A
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Multi-memory electronic identification tag
Assignee: AVID INDENTIFICATION SYSTEMS Inc
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Filing: 1991-12-03
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Granted: 1993-05-25
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Expires: 2011-12-03
Abstract
Abstract Multi-memory electronic identification tags are utilized in short-range cooperative electronic identification systems for the identification of a variety of objects. Such systems are comprised of readers and tags wherein a reader in the proximity of a tag may communicate with the tag in accordance with a specified process if the tag belongs to a certain class of tags. Tags are intended to be implanted within living tissue or concealed beneath the surface of inanimate objects. Communication between tag and reader is accomplished by a reader establishing a reversing magnetic field in the vicinity of a tag and the tag varying its absorption of power from the field in accordance with the information to be transmitted. The multi-memory tag utilizes three types of memory for the storage of data to be transmitted to an interrogating reader. The first type of memory is both permanent and unalterable and is used for storing data that is unique to the tag and never needs to be changed. The second type of memory is permanent but also alterable and is used for storing data that characterizes the object to which the tag is attached. The data stored in this second type of memory is altered by means of a separate memory programming unit which communicates with a tag by means of a reversing magnetic field that is modulated in accordance with the new data. The third type of memory is for the temporary storage of data produced by tag sensors.
Inventors
- 👤 Michael L. Beigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:57
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/22; G08B13/24; G08B13/2402; G08B13/2465; G08B13/2482; A; A01; A01K; A01K11/00; A01K11/006; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K19/0723; G06K7/00; G06K7/0008; G08B13/2405; G08B13/2414; G08B13/2417; G08B13/2428; G08B13/2431; G08B13/2451; G08B13/2462; G08B13/2468; G08B13/2471
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
62 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader.
Claim 2
Dependent Claim
62 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader.
Claim 3
Dependent Claim
85 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader; a means for altering said alterable data; a means for receiving data to be substituted for said alterable data by said altering means.
Claim 4
Dependent Claim
85 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader; a means for altering said alterable data; a means for receiving data to be substituted for said alterable data by said altering means.
Claim 5
Dependent Claim
19 words
The identification tag of claim 2 wherein said unalterable storage means is a laser programmable read-only memory (laser PROM).
Claim 6
Dependent Claim
18 words
The identification tag of claim 2 wherein said alterable storage means is an electrically-erasable programmable read-only memory (EEPROM).
Claim 7
Dependent Claim
98 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader; a means for temporarily storing data, said data being known as temporary data, said communicating means being capable of communicating said temporary data as well as said unalterable and alterable data to an electronic identification reader.
Claim 8
Dependent Claim
98 words
An electronic identification tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for communicating said unalterable data and said alterable data to an electronic identification reader; a means for temporarily storing data, said data being known as temporary data, said communicating means being capable of communicating said temporary data as well as said unalterable and alterable data to an electronic identification reader.
Claim 9
Dependent Claim
16 words
The identification tag of claim 5 wherein said temporary storage means is a first-in/first-out (FIFO) memory.
Claim 10
Dependent Claim
17 words
The identification tag of claim 5 wherein said temporary storage means is a random access memory (RAM).
Claim 11
Independent Claim
90 words
A method of storing and altering data in an electronic identification tag comprising the steps: receiving data to be permanently stored in memory in an unalterable fashion, said data being known as unalterable data; storing said unalterable data in an unalterable memory; receiving data to be stored in memory in an alterable fashion, said data being known as alterable data, said alterable data being permanently stored until purposely altered; storing said alterable data in an alterable memory, the alterability of data in said alterable memory being subject to permanent disablement.
Claim 12
Independent Claim
90 words
A method of storing and altering data in an electronic identification tag comprising the steps: receiving data to be permanently stored in memory in an unalterable fashion, said data being known as unalterable data; storing said unalterable data in an unalterable memory; receiving data to be stored in memory in an alterable fashion, said data being known as alterable data, said alterable data being permanently stored until purposely altered; storing said alterable data in an alterable memory, the alterability of data in said alterable memory being subject to permanent disablement.
Claim 13
Dependent Claim
33 words
The method of claim 8 wherein said step of receiving data is comprised of the steps: receiving data from a user to be communicated to said tag; transmitting said data to said tag.
Claim 14
Dependent Claim
32 words
The method of claim 8 further comprising the steps: receiving data to be temporarily stored in memory, said data being known as temporary data; and storing said temporary data in temporary memory.
Claim 15
Dependent Claim
25 words
The method of claim 10 further comprising the step: communicating said unalterable data, said alterable data, and said temporary data to an electronic identification reader.
Claim 16
Dependent Claim
135 words
An electronic identification system comprising a reader and at least one tag, said tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for altering said alterable data; a means for receiving data to be substituted for said alterable data by said altering means; a means for communicating said unalterable data and said alterable data to an electronic identification reader; said reader comprising: a means for receiving data from a user to be substituted for said alterable data stored in said alterable storage means in said tag; a means for communicating said received data from the user to said tag.
Claim 17
Dependent Claim
135 words
An electronic identification system comprising a reader and at least one tag, said tag comprising: a means for permanently storing data in an unalterable fashion, said data being known as unalterable data; a means for permanently storing data in an alterable fashion, said data being known as alterable data, said alterability being subject to permanent disablement; a means for altering said alterable data; a means for receiving data to be substituted for said alterable data by said altering means; a means for communicating said unalterable data and said alterable data to an electronic identification reader; said reader comprising: a means for receiving data from a user to be substituted for said alterable data stored in said alterable storage means in said tag; a means for communicating said received data from the user to said tag.
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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) | 1996-05-24 | 1996-11-23 | 1997-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-24 | 2000-11-23 | 2001-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-24 | 2004-11-23 | 2005-05-25 | $7700.00 | Window Closed / Lapsed |