JPS5664548A - Personal key communication system of mail box - Google Patents

Personal key communication system of mail box

Info

Publication number
JPS5664548A
JPS5664548A JP14008879A JP14008879A JPS5664548A JP S5664548 A JPS5664548 A JP S5664548A JP 14008879 A JP14008879 A JP 14008879A JP 14008879 A JP14008879 A JP 14008879A JP S5664548 A JPS5664548 A JP S5664548A
Authority
JP
Japan
Prior art keywords
reading
personal
telegram
personal key
mailbox
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.)
Granted
Application number
JP14008879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6147458B2 (enrdf_load_stackoverflow
Inventor
Ryuichi Kato
Subeo Sugawara
Rikuro Mori
Tetsuya Kanbayashi
Tadanobu Okada
Yoshiharu Kanbayashi
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.)
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon Electric 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 Fujitsu Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP14008879A priority Critical patent/JPS5664548A/ja
Publication of JPS5664548A publication Critical patent/JPS5664548A/ja
Publication of JPS6147458B2 publication Critical patent/JPS6147458B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP14008879A 1979-10-30 1979-10-30 Personal key communication system of mail box Granted JPS5664548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14008879A JPS5664548A (en) 1979-10-30 1979-10-30 Personal key communication system of mail box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14008879A JPS5664548A (en) 1979-10-30 1979-10-30 Personal key communication system of mail box

Publications (2)

Publication Number Publication Date
JPS5664548A true JPS5664548A (en) 1981-06-01
JPS6147458B2 JPS6147458B2 (enrdf_load_stackoverflow) 1986-10-20

Family

ID=15260668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14008879A Granted JPS5664548A (en) 1979-10-30 1979-10-30 Personal key communication system of mail box

Country Status (1)

Country Link
JP (1) JPS5664548A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840965A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 電話回線を利用した郵便システム
JPS62190950A (ja) * 1986-02-17 1987-08-21 Fujitsu Ltd メ−ル配信制御方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840965A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 電話回線を利用した郵便システム
JPS62190950A (ja) * 1986-02-17 1987-08-21 Fujitsu Ltd メ−ル配信制御方式

Also Published As

Publication number Publication date
JPS6147458B2 (enrdf_load_stackoverflow) 1986-10-20

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