SE319531B - - Google Patents

Info

Publication number
SE319531B
SE319531B SE9836/67*A SE983667A SE319531B SE 319531 B SE319531 B SE 319531B SE 983667 A SE983667 A SE 983667A SE 319531 B SE319531 B SE 319531B
Authority
SE
Sweden
Prior art keywords
frequencies
digit
transmitter
fault
sent
Prior art date
Application number
SE9836/67*A
Other languages
English (en)
Inventor
G Pumpe
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 SE319531B publication Critical patent/SE319531B/xx

Links

Classifications

    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
SE9836/67*A 1966-09-30 1967-06-30 SE319531B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES106281A DE1288628B (de) 1966-09-30 1966-09-30 Verfahren und Schaltungsanordnung zur gesicherten UEbertragung von kodierten Nachrichtenzeichen, wobei jedes Nachrichtenzeichen durch zwei oder mehr Modulationsmerkmale uebertragen wird

Publications (1)

Publication Number Publication Date
SE319531B true SE319531B (xx) 1970-01-19

Family

ID=7527287

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9836/67*A SE319531B (xx) 1966-09-30 1967-06-30

Country Status (8)

Country Link
US (1) US3593279A (xx)
AT (1) AT278159B (xx)
BE (1) BE704494A (xx)
CH (1) CH468754A (xx)
DE (1) DE1288628B (xx)
GB (1) GB1180078A (xx)
NL (1) NL6713293A (xx)
SE (1) SE319531B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713095A (en) * 1971-03-16 1973-01-23 Bell Telephone Labor Inc Data processor sequence checking circuitry
US3962646A (en) * 1972-09-07 1976-06-08 Motorola, Inc. Squelch circuit for a digital system
ATE67636T1 (de) * 1987-02-05 1991-10-15 Alcatel Bell Sdt Sa Verfahren zur uebertragungsfehler-erkennung und - korrektur.
US6023779A (en) * 1996-01-18 2000-02-08 Pocketscience, Inc. Electronic, acoustical tone generating communications system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960755A (xx) * 1943-12-18 1950-04-25
US3260994A (en) * 1962-12-28 1966-07-12 Bell Telephone Labor Inc Multifrequency pulse transmission system
US3459927A (en) * 1965-10-18 1969-08-05 Ibm Apparatus for checking logical connective circuits

Also Published As

Publication number Publication date
US3593279A (en) 1971-07-13
BE704494A (xx) 1968-03-29
GB1180078A (en) 1970-02-04
CH468754A (de) 1969-02-15
DE1288628B (de) 1969-02-06
NL6713293A (xx) 1968-04-01
AT278159B (de) 1970-01-26

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