JPS5437406A - Preventing system for malicious alteration of subscriber information - Google Patents
Preventing system for malicious alteration of subscriber informationInfo
- Publication number
- JPS5437406A JPS5437406A JP10254477A JP10254477A JPS5437406A JP S5437406 A JPS5437406 A JP S5437406A JP 10254477 A JP10254477 A JP 10254477A JP 10254477 A JP10254477 A JP 10254477A JP S5437406 A JPS5437406 A JP S5437406A
- Authority
- JP
- Japan
- Prior art keywords
- subscriber information
- preventing system
- malicious alteration
- subscriber
- malicious
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To prevent the subscriber from altering the subscriber information by adding the redundant bit encoded based on a fixed algorism to the subsdriber information set up to the terminal unit, and thus to ensure the normal service.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10254477A JPS5437406A (en) | 1977-08-29 | 1977-08-29 | Preventing system for malicious alteration of subscriber information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10254477A JPS5437406A (en) | 1977-08-29 | 1977-08-29 | Preventing system for malicious alteration of subscriber information |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5437406A true JPS5437406A (en) | 1979-03-19 |
Family
ID=14330185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10254477A Pending JPS5437406A (en) | 1977-08-29 | 1977-08-29 | Preventing system for malicious alteration of subscriber information |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5437406A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142060U (en) * | 1981-02-25 | 1982-09-06 | ||
JPS5820835A (en) * | 1981-07-31 | 1983-02-07 | Hitachi Constr Mach Co Ltd | Controller for angle of bucket of arm type working machine |
JPS5833650A (en) * | 1981-08-21 | 1983-02-26 | Hitachi Constr Mach Co Ltd | Controller for excavation by oil-pressure shovel |
JPS5898530A (en) * | 1981-12-09 | 1983-06-11 | Hitachi Constr Mach Co Ltd | Controller for rectiliner excavation performed by hydraulic shovel |
JPS59170334A (en) * | 1983-03-15 | 1984-09-26 | Hitachi Constr Mach Co Ltd | Locus controller of working machine |
JPS59195937A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPS59195938A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPS59195939A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPS6030728A (en) * | 1983-07-29 | 1985-02-16 | Hitachi Constr Mach Co Ltd | Controller for linear excavation of oil-pressure shovel |
JPS6033940A (en) * | 1983-08-02 | 1985-02-21 | Hitachi Constr Mach Co Ltd | Controller for straight excavation by oil-pressure shovel |
WO1995018271A1 (en) | 1993-12-24 | 1995-07-06 | Komatsu Ltd. | Controller for working machines |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5022553A (en) * | 1973-06-26 | 1975-03-11 |
-
1977
- 1977-08-29 JP JP10254477A patent/JPS5437406A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5022553A (en) * | 1973-06-26 | 1975-03-11 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142060U (en) * | 1981-02-25 | 1982-09-06 | ||
JPS5820835A (en) * | 1981-07-31 | 1983-02-07 | Hitachi Constr Mach Co Ltd | Controller for angle of bucket of arm type working machine |
JPH0320531B2 (en) * | 1981-07-31 | 1991-03-19 | Hitachi Construction Machinery | |
JPS5833650A (en) * | 1981-08-21 | 1983-02-26 | Hitachi Constr Mach Co Ltd | Controller for excavation by oil-pressure shovel |
JPS5898530A (en) * | 1981-12-09 | 1983-06-11 | Hitachi Constr Mach Co Ltd | Controller for rectiliner excavation performed by hydraulic shovel |
JPH0336970B2 (en) * | 1983-03-15 | 1991-06-04 | Hitachi Construction Machinery | |
JPS59170334A (en) * | 1983-03-15 | 1984-09-26 | Hitachi Constr Mach Co Ltd | Locus controller of working machine |
JPS59195937A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPS59195938A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPS59195939A (en) * | 1983-04-20 | 1984-11-07 | Hitachi Constr Mach Co Ltd | Linear excavation controller for oil-pressure shovel |
JPH0480168B2 (en) * | 1983-04-20 | 1992-12-17 | Hitachi Construction Machinery | |
JPS6030728A (en) * | 1983-07-29 | 1985-02-16 | Hitachi Constr Mach Co Ltd | Controller for linear excavation of oil-pressure shovel |
JPH0328543B2 (en) * | 1983-07-29 | 1991-04-19 | Hitachi Construction Machinery | |
JPH0328544B2 (en) * | 1983-08-02 | 1991-04-19 | Hitachi Construction Machinery | |
JPS6033940A (en) * | 1983-08-02 | 1985-02-21 | Hitachi Constr Mach Co Ltd | Controller for straight excavation by oil-pressure shovel |
WO1995018271A1 (en) | 1993-12-24 | 1995-07-06 | Komatsu Ltd. | Controller for working machines |
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