US5898783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and method for employing a telecommunications network to remotely disable a SIM or smartcard
Assignee: Nokia of America Corp
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Filing: 1996-11-14
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Granted: 1999-04-27
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Expires: 2016-11-14
Abstract
Abstract In a smartcard having a subscriber identity module ("SIMI") that cooperates with a mobile station to effect communication with a telecommunications network, a system for, and method of, disabling the smartcard. The system includes: (1) data commnications circuitry that transmits a code uniquely identifying the smartcard from logic circuitry within the smartcard to the telecommunications network via the mobile station, the code employable by the telecommunications network to search a disable database associated therewith, the telecommunications network returning a disable command if the code is found in the disable database and (2) disabling circuitry that incapacitates the logic circuitry to prevent an operation thereof, the smartcard being incapacitated with respect to the telecommunications network and systems independent of the telecommunications network.
Inventors
- 👤 William R. Rohrbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/02; G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/354
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
114 words
In a card having a subscriber identity module (SIM) that cooperates with a mobile station to effect communication with a telecommunications network, a system for disabling said card, comprising: data communications circuitry that transmits a code uniquely identifying said card from logic circuitry within said card to said telecommunications network via said mobile station, said code employable by said telecommunications network to search a disable database associated therewith, said telecommunications network returning a disable command if said code is found in said disable database; and disabling circuitry that incapacitates said logic circuitry to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 2
Dependent Claim
114 words
In a card having a subscriber identity module (SIM) that cooperates with a mobile station to effect communication with a telecommunications network, a system for disabling said card, comprising: data communications circuitry that transmits a code uniquely identifying said card from logic circuitry within said card to said telecommunications network via said mobile station, said code employable by said telecommunications network to search a disable database associated therewith, said telecommunications network returning a disable command if said code is found in said disable database; and disabling circuitry that incapacitates said logic circuitry to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 3
Dependent Claim
16 words
The system as recited in claim 1 wherein said disabling circuitry permanently incapacitates said logic circuitry.
Claim 4
Dependent Claim
35 words
The system as recited in claim 1 wherein said disabling circuitry comprises a selected one of a fuse and a switch, said selected one capable of decoupling electrical power from a processor within said card.
Claim 5
Dependent Claim
20 words
The system as recited in claim 1 wherein said disabling circuitry decouples a memory of said card from electrical power.
Claim 6
Dependent Claim
18 words
The system as recited in claim 1 wherein said disabling circuitry permanently erases a memory of said card.
Claim 7
Dependent Claim
17 words
The system as recited in claim 1 wherein said disable database contains codes corresponding to stolen cards.
Claim 8
Dependent Claim
24 words
The system as recited in claim 1 wherein said logic circuitry is employed to encrypt communications between said mobile station and said telecommunications network.
Claim 9
Dependent Claim
113 words
For use in a card having a subscriber identity module (SIM) that cooperates with a mobile station to effect communication with a telecommunications network, a method of disabling said card, comprising the steps of: transmitting a code uniquely identifying said card from logic circuitry within said card to said telecommunications network via said mobile station, said code employable by said telecommunications network to search a disable database associated therewith; receiving a disable command from said telecommunications network if said code is found in said disable database; and incapacitating said logic circuitry to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 10
Dependent Claim
113 words
For use in a card having a subscriber identity module (SIM) that cooperates with a mobile station to effect communication with a telecommunications network, a method of disabling said card, comprising the steps of: transmitting a code uniquely identifying said card from logic circuitry within said card to said telecommunications network via said mobile station, said code employable by said telecommunications network to search a disable database associated therewith; receiving a disable command from said telecommunications network if said code is found in said disable database; and incapacitating said logic circuitry to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 11
Dependent Claim
21 words
The method as recited in claim 8 wherein said step of incapacitating comprises the step of permanently incapacitating said logic circuitry.
Claim 12
Dependent Claim
36 words
The method as recited in claim 8 wherein said disabling circuitry comprises a selected one of a fuse and a switch, said method comprising the step of decoupling electrical power from a processor within said card.
Claim 13
Dependent Claim
25 words
The method as recited in claim 8 wherein said step of incapacitating comprises the step of decoupling a memory of said card from electrical power.
Claim 14
Dependent Claim
23 words
The method as recited in claim 8 wherein said step of incapacitating comprises the step of permanently erasing a memory of said card.
Claim 15
Dependent Claim
17 words
The method as recited in claim 8 wherein said disable database contains codes corresponding to stolen cards.
Claim 16
Dependent Claim
27 words
The method as recited in claim 8 further comprising the step of employing said logic circuitry to encrypt communications between said mobile station and said telecommunications network.
Claim 17
Dependent Claim
148 words
A telecommunications network capable of communicating with a plurality of mobile stations, each of said plurality of mobile stations cooperating with a card having a subscriber identity module (SIM) to effect communication with said telecommunications network, said telecommunications network comprising: a disable database that contains a plurality of codes corresponding to a plurality of cards that are to be disabled; data communications circuitry that receives a code uniquely identifying one of said plurality of cards, said telecommunications network searching said disable database for said code, said data communications circuitry transmitting a disable command to said one of said plurality of cards if said code is found in said disable database; and disabling circuitry within said one of said plurality of cards that incapacitates logic circuitry therein to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 18
Dependent Claim
148 words
A telecommunications network capable of communicating with a plurality of mobile stations, each of said plurality of mobile stations cooperating with a card having a subscriber identity module (SIM) to effect communication with said telecommunications network, said telecommunications network comprising: a disable database that contains a plurality of codes corresponding to a plurality of cards that are to be disabled; data communications circuitry that receives a code uniquely identifying one of said plurality of cards, said telecommunications network searching said disable database for said code, said data communications circuitry transmitting a disable command to said one of said plurality of cards if said code is found in said disable database; and disabling circuitry within said one of said plurality of cards that incapacitates logic circuitry therein to prevent an operation thereof, said card being incapacitated with respect to said telecommunications network and systems independent of said telecommunications network.
Claim 19
Dependent Claim
17 words
The telecommunications network as recited in claim 15 wherein said disabling circuitry permanently incapacitates said logic circuitry.
Claim 20
Dependent Claim
36 words
The telecommunications network as recited in claim 15 wherein said disabling circuitry comprises a selected one of a fuse and a switch, said selected one capable of decoupling electrical power from a processor within said card.
Claim 21
Dependent Claim
21 words
The telecommunications network as recited in claim 15 wherein said disabling circuitry decouples a memory of said card from electrical power.
Claim 22
Dependent Claim
19 words
The telecommunications network as recited in claim 15 wherein said disabling circuitry permanently erases a memory of said card.
Claim 23
Dependent Claim
18 words
The telecommunications network as recited in claim 15 wherein said disable database contains codes corresponding to stolen cards.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-04-26 | 2002-10-26 | 2003-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-04-26 | 2006-10-26 | 2007-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-04-26 | 2010-10-26 | 2011-04-27 | $7700.00 | Window Closed / Lapsed |