JPS50145002A - - Google Patents
Info
- Publication number
- JPS50145002A JPS50145002A JP50048527A JP4852775A JPS50145002A JP S50145002 A JPS50145002 A JP S50145002A JP 50048527 A JP50048527 A JP 50048527A JP 4852775 A JP4852775 A JP 4852775A JP S50145002 A JPS50145002 A JP S50145002A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
- H04W12/126—Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742419615 DE2419615C3 (de) | 1974-04-24 | Verfahren zur Identifizierung einer Teilnehmerstation eines Selektivrufnetzes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50145002A true JPS50145002A (cg-RX-API-DMAC7.html) | 1975-11-21 |
| JPS5519537B2 JPS5519537B2 (cg-RX-API-DMAC7.html) | 1980-05-27 |
Family
ID=5913713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4852775A Expired JPS5519537B2 (cg-RX-API-DMAC7.html) | 1974-04-24 | 1975-04-21 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5519537B2 (cg-RX-API-DMAC7.html) |
| CH (1) | CH584495A5 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2269263B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1498283A (cg-RX-API-DMAC7.html) |
| NL (1) | NL7504779A (cg-RX-API-DMAC7.html) |
| SE (1) | SE398286B (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2122000A (en) * | 1982-06-04 | 1984-01-04 | Rexdale Wells Limited | Apparatus for use in two way radio systems |
| US4723284A (en) * | 1983-02-14 | 1988-02-02 | Prime Computer, Inc. | Authentication system |
| FR2541539A1 (fr) * | 1983-02-21 | 1984-08-24 | Electro Et Const | Procede et dispositif de codage dynamique pour l'identification d'appareils de transmission a distance |
| SE455902B (sv) * | 1986-10-20 | 1988-08-15 | Tateco Ab | Forfarande vid overforing av information i kodad form i ett personsokarsystem |
| WO1996038994A1 (en) * | 1995-06-02 | 1996-12-05 | Dsc Communications Corporation | Apparatus and method of authenticating a subscriber terminal in a wireless telecommunications system |
| GB9626030D0 (en) * | 1996-12-14 | 1997-01-29 | Central Research Lab Ltd | Mobile phone security |
-
1975
- 1975-04-21 JP JP4852775A patent/JPS5519537B2/ja not_active Expired
- 1975-04-22 NL NL7504779A patent/NL7504779A/xx not_active Application Discontinuation
- 1975-04-22 GB GB16548/75A patent/GB1498283A/en not_active Expired
- 1975-04-23 FR FR7512585A patent/FR2269263B1/fr not_active Expired
- 1975-04-23 SE SE7504695A patent/SE398286B/xx not_active IP Right Cessation
- 1975-04-23 CH CH516075A patent/CH584495A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2419615B2 (de) | 1976-02-26 |
| FR2269263B1 (cg-RX-API-DMAC7.html) | 1978-10-13 |
| FR2269263A1 (cg-RX-API-DMAC7.html) | 1975-11-21 |
| DE2419615A1 (de) | 1975-11-06 |
| GB1498283A (en) | 1978-01-18 |
| JPS5519537B2 (cg-RX-API-DMAC7.html) | 1980-05-27 |
| NL7504779A (nl) | 1975-10-28 |
| SE7504695L (sv) | 1975-10-27 |
| CH584495A5 (cg-RX-API-DMAC7.html) | 1977-01-31 |
| SE398286B (sv) | 1977-12-12 |