FR2005670A1 - METHOD AND APPARATUS FOR TRANSMITTING DATA OVER A NARROW BAND CHANNEL - Google Patents

METHOD AND APPARATUS FOR TRANSMITTING DATA OVER A NARROW BAND CHANNEL

Info

Publication number
FR2005670A1
FR2005670A1 FR6910579A FR6910579A FR2005670A1 FR 2005670 A1 FR2005670 A1 FR 2005670A1 FR 6910579 A FR6910579 A FR 6910579A FR 6910579 A FR6910579 A FR 6910579A FR 2005670 A1 FR2005670 A1 FR 2005670A1
Authority
FR
France
Prior art keywords
transmitting data
data over
narrow band
band channel
channel
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.)
Granted
Application number
FR6910579A
Other languages
French (fr)
Other versions
FR2005670B1 (en
Inventor
G.Salaman Roy
B.Picchiottino John
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.)
PHONOCOPY Inc
Original Assignee
PHONOCOPY 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
Application filed by PHONOCOPY Inc filed Critical PHONOCOPY Inc
Publication of FR2005670A1 publication Critical patent/FR2005670A1/en
Application granted granted Critical
Publication of FR2005670B1 publication Critical patent/FR2005670B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Transmission Control (AREA)
FR6910579A 1968-04-05 1969-04-04 METHOD AND APPARATUS FOR TRANSMITTING DATA OVER A NARROW BAND CHANNEL Granted FR2005670A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71906268A 1968-04-05 1968-04-05

Publications (2)

Publication Number Publication Date
FR2005670A1 true FR2005670A1 (en) 1969-12-12
FR2005670B1 FR2005670B1 (en) 1973-11-16

Family

ID=24888615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6910579A Granted FR2005670A1 (en) 1968-04-05 1969-04-04 METHOD AND APPARATUS FOR TRANSMITTING DATA OVER A NARROW BAND CHANNEL

Country Status (5)

Country Link
CA (1) CA918320A (en)
DE (1) DE1916711C3 (en)
FR (1) FR2005670A1 (en)
GB (1) GB1216826A (en)
NL (1) NL6905342A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148653B (en) * 1983-10-22 1987-01-28 Standard Telephones Cables Ltd Picture phone apparatus
JP2005286773A (en) * 2004-03-30 2005-10-13 Sanyo Electric Co Ltd Network system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388330A (en) * 1965-03-19 1968-06-11 Bell Telephone Labor Inc Partial response multilevel data system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388330A (en) * 1965-03-19 1968-06-11 Bell Telephone Labor Inc Partial response multilevel data system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
*REVUE AMERICAINE THE BELL SYSTEM TECHNICAL JOURNAL VOL. 38 1959 , NO. 6, NOVEMBRE, PAGES 1357 A 1426 ARTICLE:"IDEAL BINARY PULSE TRANSMISSION BY AM AND FM" PAR E.D. SUNDE) *
REVUE AMERICAINE TRANSACTIONS AMERICAN INSTITUTE OF ELECTRICAL ENGINEERS, PART I, COMMUNICATION AND ELECTRONICS JANVIER 1962 PAGES 652-51 ARTICLE: "A 1,650 BIT-PER-SECOND DATA SYSTEM FOR USE OVER THE SWITCHED TELEPHONE NETWORK" PAR S. BRAND ET C.W. CARTER *

Also Published As

Publication number Publication date
CA918320A (en) 1973-01-02
GB1216826A (en) 1970-12-23
NL6905342A (en) 1969-10-07
DE1916711C3 (en) 1973-01-04
DE1916711A1 (en) 1969-11-06
DE1916711B2 (en) 1972-06-15
FR2005670B1 (en) 1973-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse