AU2275677A - Data processing with validity checking using duplication - Google Patents

Data processing with validity checking using duplication

Info

Publication number
AU2275677A
AU2275677A AU22756/77A AU2275677A AU2275677A AU 2275677 A AU2275677 A AU 2275677A AU 22756/77 A AU22756/77 A AU 22756/77A AU 2275677 A AU2275677 A AU 2275677A AU 2275677 A AU2275677 A AU 2275677A
Authority
AU
Australia
Prior art keywords
duplication
data processing
validity checking
validity
checking
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.)
Expired
Application number
AU22756/77A
Other versions
AU506088B2 (en
Inventor
Ma. Troughton P. Robards M. J. Corri Ra. & Moldrem Pa Pashley
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of AU2275677A publication Critical patent/AU2275677A/en
Application granted granted Critical
Publication of AU506088B2 publication Critical patent/AU506088B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Meter Arrangements (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Small-Scale Networks (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Communication Control (AREA)
AU22756/77A 1976-03-04 1977-02-28 Data processing with validity checking using duplication Expired AU506088B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8670/76A GB1572893A (en) 1976-03-04 1976-03-04 Data processing equipment
GBGB8670/76 1976-03-04

Publications (2)

Publication Number Publication Date
AU2275677A true AU2275677A (en) 1978-09-07
AU506088B2 AU506088B2 (en) 1979-12-13

Family

ID=9856970

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22756/77A Expired AU506088B2 (en) 1976-03-04 1977-02-28 Data processing with validity checking using duplication

Country Status (11)

Country Link
JP (1) JPS52126107A (en)
AU (1) AU506088B2 (en)
DE (1) DE2708953A1 (en)
DK (1) DK92977A (en)
ES (1) ES456516A1 (en)
FR (1) FR2343380A1 (en)
GB (1) GB1572893A (en)
IT (1) IT1080009B (en)
NL (1) NL7702372A (en)
NO (1) NO770730L (en)
SE (1) SE7702326L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572895A (en) * 1976-03-04 1980-08-06 Post Office Data processing equipment
GB1572894A (en) * 1976-03-04 1980-08-06 Post Office Data processing equipment
GB8815239D0 (en) * 1988-06-27 1988-08-03 Wisdom Systems Ltd Memory error protection system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252149A (en) * 1963-03-28 1966-05-17 Digitronics Corp Data processing system
US3864670A (en) * 1970-09-30 1975-02-04 Yokogawa Electric Works Ltd Dual computer system with signal exchange system
GB1315690A (en) * 1970-11-25 1973-05-02 Ferranti Ltd Data transfer systems
US3838225A (en) * 1973-09-10 1974-09-24 Gte Automatic Electric Lab Inc Tsps key scanner
FR2248574A1 (en) * 1973-10-19 1975-05-16 France Etat System for recording numerical programme on magnetic tape - has counter determining period double that of introduction sign, with detection and verification
US3939309A (en) * 1974-01-18 1976-02-17 Gte Automatic Electric Laboratories Incorporated Communication switching system data retrieval and loading arrangement
US3912881A (en) * 1974-10-29 1975-10-14 Bell Telephone Labor Inc Scanner diagnostic arrangement
GB1572895A (en) * 1976-03-04 1980-08-06 Post Office Data processing equipment
GB1572892A (en) * 1976-03-04 1980-08-06 Post Office Data processing equipment
GB1572894A (en) * 1976-03-04 1980-08-06 Post Office Data processing equipment

Also Published As

Publication number Publication date
IT1080009B (en) 1985-05-16
JPS52126107A (en) 1977-10-22
ES456516A1 (en) 1978-02-16
GB1572893A (en) 1980-08-06
AU506088B2 (en) 1979-12-13
SE7702326L (en) 1977-09-05
NO770730L (en) 1977-09-06
NL7702372A (en) 1977-09-06
DK92977A (en) 1977-09-05
FR2343380A1 (en) 1977-09-30
DE2708953A1 (en) 1977-09-08

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