SE7704391L - Anordning for att hoja sekerheten mot fel vid informationsoverforing - Google Patents

Anordning for att hoja sekerheten mot fel vid informationsoverforing

Info

Publication number
SE7704391L
SE7704391L SE7704391A SE7704391A SE7704391L SE 7704391 L SE7704391 L SE 7704391L SE 7704391 A SE7704391 A SE 7704391A SE 7704391 A SE7704391 A SE 7704391A SE 7704391 L SE7704391 L SE 7704391L
Authority
SE
Sweden
Prior art keywords
information transmission
security against
transmission errors
against information
increasing security
Prior art date
Application number
SE7704391A
Other languages
English (en)
Swedish (sv)
Inventor
K Garbrecht
B Hildebrandt
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE7704391L publication Critical patent/SE7704391L/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/045—Indicating or recording train identities using reradiating tags
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/16—Security signalling or alarm systems, e.g. redundant systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
SE7704391A 1976-04-26 1977-04-18 Anordning for att hoja sekerheten mot fel vid informationsoverforing SE7704391L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762618148 DE2618148A1 (de) 1976-04-26 1976-04-26 Einrichtung zum erhoehen der sicherheit gegen uebertragungsfehler bei einem informationsuebertragungssystem

Publications (1)

Publication Number Publication Date
SE7704391L true SE7704391L (sv) 1977-10-27

Family

ID=5976237

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7704391A SE7704391L (sv) 1976-04-26 1977-04-18 Anordning for att hoja sekerheten mot fel vid informationsoverforing

Country Status (6)

Country Link
US (1) US4187465A (index.php)
DE (1) DE2618148A1 (index.php)
FR (1) FR2349839A1 (index.php)
GB (1) GB1553643A (index.php)
NL (1) NL7704508A (index.php)
SE (1) SE7704391L (index.php)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3004766C2 (de) * 1980-02-08 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Informationsübertragungseinrichtung mit einem Abfragegerät und einem Antwortgerät
US6463337B1 (en) 1999-12-20 2002-10-08 Safetran Systems Corporation Railroad vital signal output module with cryptographic safe drive

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445663A (en) * 1964-06-25 1969-05-20 Hughes Aircraft Co Noise discrimination by unblanking during the time that an a-c reference signal is in the neighborhood of the value it had at the time of the previously accepted pulse
FR1468581A (fr) * 1966-02-18 1967-02-03 Philips Nv Dispositif d'identification
US3680091A (en) * 1970-07-21 1972-07-25 Collins Radio Co Pulse train framing and intermediate pulse spacing accuracy test circuit
SU520946A3 (ru) 1973-06-12 1976-07-05 Сименс Аг (Фирма) Устройство дл компенсации временной погрешности между равномерной и неравномерной последовательност ми импульсов

Also Published As

Publication number Publication date
GB1553643A (en) 1979-09-26
US4187465A (en) 1980-02-05
NL7704508A (nl) 1977-10-28
DE2618148A1 (de) 1977-11-10
FR2349839B1 (index.php) 1980-03-21
FR2349839A1 (fr) 1977-11-25

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