NL7607742A - COMPANY SURVEILLANCE FOR INFORMATION TRANSFERS. - Google Patents

COMPANY SURVEILLANCE FOR INFORMATION TRANSFERS.

Info

Publication number
NL7607742A
NL7607742A NL7607742A NL7607742A NL7607742A NL 7607742 A NL7607742 A NL 7607742A NL 7607742 A NL7607742 A NL 7607742A NL 7607742 A NL7607742 A NL 7607742A NL 7607742 A NL7607742 A NL 7607742A
Authority
NL
Netherlands
Prior art keywords
surveillance
company
information transfers
transfers
information
Prior art date
Application number
NL7607742A
Other languages
Dutch (nl)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of NL7607742A publication Critical patent/NL7607742A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Debugging And Monitoring (AREA)
  • Hardware Redundancy (AREA)
NL7607742A 1975-07-16 1976-07-13 COMPANY SURVEILLANCE FOR INFORMATION TRANSFERS. NL7607742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2531775A DE2531775C3 (en) 1975-07-16 1975-07-16 Method and arrangement for secure operational monitoring during data transmission

Publications (1)

Publication Number Publication Date
NL7607742A true NL7607742A (en) 1977-01-18

Family

ID=5951660

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7607742A NL7607742A (en) 1975-07-16 1976-07-13 COMPANY SURVEILLANCE FOR INFORMATION TRANSFERS.

Country Status (9)

Country Link
AT (1) AT356707B (en)
BE (1) BE844093A (en)
CH (1) CH611472A5 (en)
DE (1) DE2531775C3 (en)
DK (1) DK303976A (en)
FR (1) FR2318544A1 (en)
GB (1) GB1542945A (en)
NL (1) NL7607742A (en)
SE (1) SE410778B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738366A (en) * 2013-12-26 2014-04-23 北京交控科技有限公司 Computer system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537450C3 (en) * 1967-07-11 1974-08-01 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Process for secure data transmission, as well as sender and receiver for carrying out this process
DE2017853C3 (en) * 1970-04-14 1975-12-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tax procedures for securing information processing and transmission

Also Published As

Publication number Publication date
BE844093A (en) 1976-11-03
DE2531775C3 (en) 1982-04-08
DE2531775A1 (en) 1977-02-03
FR2318544A1 (en) 1977-02-11
FR2318544B3 (en) 1979-04-06
CH611472A5 (en) 1979-05-31
GB1542945A (en) 1979-03-28
AT356707B (en) 1980-05-27
DE2531775B2 (en) 1981-07-09
ATA514376A (en) 1979-10-15
SE410778B (en) 1979-10-29
DK303976A (en) 1977-01-17
SE7608025L (en) 1977-01-17

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