JPS5437406A - Preventing system for malicious alteration of subscriber information - Google Patents

Preventing system for malicious alteration of subscriber information

Info

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
Application number
JP10254477A
Other languages
Japanese (ja)
Inventor
Keisuke Furukawa
Yasushi Ichiki
Hiroshi Omoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP10254477A priority Critical patent/JPS5437406A/en
Publication of JPS5437406A publication Critical patent/JPS5437406A/en
Pending legal-status Critical Current

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.
JP10254477A 1977-08-29 1977-08-29 Preventing system for malicious alteration of subscriber information Pending JPS5437406A (en)

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)

* Cited by examiner, † Cited by third party
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
JPS59195939A (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
JPS59195937A (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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022553A (en) * 1973-06-26 1975-03-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022553A (en) * 1973-06-26 1975-03-11

Cited By (11)

* Cited by examiner, † Cited by third party
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
JPS59195939A (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
JPS59195937A (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

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