AR201272A1 - PROVISION FOR THE TRANSMISSION OF INFORMATION WITH HIGH SECURITY BY RADIOELECTRIC VIA - Google Patents

PROVISION FOR THE TRANSMISSION OF INFORMATION WITH HIGH SECURITY BY RADIOELECTRIC VIA

Info

Publication number
AR201272A1
AR201272A1 AR244755A AR24475572A AR201272A1 AR 201272 A1 AR201272 A1 AR 201272A1 AR 244755 A AR244755 A AR 244755A AR 24475572 A AR24475572 A AR 24475572A AR 201272 A1 AR201272 A1 AR 201272A1
Authority
AR
Argentina
Prior art keywords
radioelectric
provision
transmission
information
high security
Prior art date
Application number
AR244755A
Other languages
Spanish (es)
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
Application granted granted Critical
Publication of AR201272A1 publication Critical patent/AR201272A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
AR244755A 1971-10-22 1972-10-20 PROVISION FOR THE TRANSMISSION OF INFORMATION WITH HIGH SECURITY BY RADIOELECTRIC VIA AR201272A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2152721A DE2152721C2 (en) 1971-10-22 1971-10-22 System for the transmission of information

Publications (1)

Publication Number Publication Date
AR201272A1 true AR201272A1 (en) 1975-02-28

Family

ID=5823130

Family Applications (1)

Application Number Title Priority Date Filing Date
AR244755A AR201272A1 (en) 1971-10-22 1972-10-20 PROVISION FOR THE TRANSMISSION OF INFORMATION WITH HIGH SECURITY BY RADIOELECTRIC VIA

Country Status (16)

Country Link
JP (1) JPS5434485B2 (en)
AR (1) AR201272A1 (en)
AT (1) AT318013B (en)
AU (1) AU451259B2 (en)
BE (1) BE790393A (en)
CA (1) CA996192A (en)
CH (1) CH545042A (en)
DE (1) DE2152721C2 (en)
FI (1) FI58415C (en)
FR (1) FR2156830B1 (en)
GB (1) GB1407088A (en)
IL (1) IL40552A (en)
IT (1) IT969653B (en)
NL (1) NL163397B (en)
SE (1) SE388329B (en)
YU (1) YU35201B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232668A1 (en) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München SYSTEM FOR TRANSMITTING INFORMATION
DE3232691A1 (en) * 1982-09-02 1984-03-08 Siemens AG, 1000 Berlin und 8000 München SYSTEM FOR TRANSMITTING INFORMATION
DE3642378A1 (en) * 1986-12-11 1988-06-30 Siemens Ag System for transmitting information with reserve switching devices
GB2260881B (en) * 1991-10-26 1995-08-23 Motorola Ltd Trunked system fallback operation
WO1997015987A1 (en) * 1995-10-25 1997-05-01 Siemens Aktiengesellschaft System for the transmission of data by mixed operation of a pdh and of a sdh with a stand-by transmission channel

Also Published As

Publication number Publication date
DE2152721A1 (en) 1973-04-12
NL7214293A (en) 1973-04-25
AT318013B (en) 1974-09-25
NL163397B (en) 1980-03-17
IL40552A (en) 1975-12-31
AU4764672A (en) 1974-04-26
FR2156830B1 (en) 1977-04-01
YU254872A (en) 1980-03-15
IT969653B (en) 1974-04-10
SE388329B (en) 1976-09-27
GB1407088A (en) 1975-09-24
DE2152721B1 (en) 1973-04-12
BE790393A (en) 1973-02-15
AU451259B2 (en) 1974-08-01
CA996192A (en) 1976-08-31
JPS5434485B2 (en) 1979-10-27
JPS4851521A (en) 1973-07-19
FI58415C (en) 1981-01-12
CH545042A (en) 1973-11-30
FI58415B (en) 1980-09-30
YU35201B (en) 1980-09-25
IL40552A0 (en) 1972-12-29
DE2152721C2 (en) 1973-10-31
FR2156830A1 (en) 1973-06-01

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