DE1217997B - Verfahren zum UEbertragen digitaler Informationen auf einem sprachfrequenten Weg - Google Patents

Verfahren zum UEbertragen digitaler Informationen auf einem sprachfrequenten Weg

Info

Publication number
DE1217997B
DE1217997B DEW31609A DEW0031609A DE1217997B DE 1217997 B DE1217997 B DE 1217997B DE W31609 A DEW31609 A DE W31609A DE W0031609 A DEW0031609 A DE W0031609A DE 1217997 B DE1217997 B DE 1217997B
Authority
DE
Germany
Prior art keywords
frequency
frequencies
output
data
signal
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.)
Pending
Application number
DEW31609A
Other languages
German (de)
English (en)
Inventor
Ernest Rudolf Kretzmer
Ralph Alan Winter
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US89831A external-priority patent/US3165583A/en
Priority claimed from US155861A external-priority patent/US3142723A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE1217997B publication Critical patent/DE1217997B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Signal Processing (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Dc Digital Transmission (AREA)
DEW31609A 1960-11-21 1962-02-03 Verfahren zum UEbertragen digitaler Informationen auf einem sprachfrequenten Weg Pending DE1217997B (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7041960A 1960-11-21 1960-11-21
US89831A US3165583A (en) 1960-11-21 1961-02-16 Two-tone transmission system for digital data
US155861A US3142723A (en) 1961-11-29 1961-11-29 Frequency shift keying system
US24292562A 1962-12-07 1962-12-07

Publications (1)

Publication Number Publication Date
DE1217997B true DE1217997B (de) 1966-06-02

Family

ID=27490825

Family Applications (2)

Application Number Title Priority Date Filing Date
DEW31609A Pending DE1217997B (de) 1960-11-21 1962-02-03 Verfahren zum UEbertragen digitaler Informationen auf einem sprachfrequenten Weg
DEW33395A Pending DE1226142B (de) 1960-11-21 1962-11-26 Verfahren zum UEbertragen digitaler Informationen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEW33395A Pending DE1226142B (de) 1960-11-21 1962-11-26 Verfahren zum UEbertragen digitaler Informationen

Country Status (5)

Country Link
BE (1) BE625435A (enrdf_load_stackoverflow)
DE (2) DE1217997B (enrdf_load_stackoverflow)
GB (4) GB923840A (enrdf_load_stackoverflow)
NL (2) NL285920A (enrdf_load_stackoverflow)
SE (1) SE307383B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63180294A (ja) * 1987-01-22 1988-07-25 Man Design Kk 測定デ−タ送信装置

Also Published As

Publication number Publication date
GB923955A (en) 1963-04-18
NL274439A (enrdf_load_stackoverflow)
NL285920A (enrdf_load_stackoverflow) 1965-02-10
GB923840A (en) 1963-04-18
GB1026806A (en) 1966-04-20
BE625435A (enrdf_load_stackoverflow) 1963-03-15
DE1226142B (de) 1966-10-06
GB993485A (en) 1965-05-26
SE307383B (enrdf_load_stackoverflow) 1969-01-07

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