DE19847173A1 - Verfahren zur Steuerung einer Zentraleinheit eines Fernkopierers mit Filter und Demodulator - Google Patents

Verfahren zur Steuerung einer Zentraleinheit eines Fernkopierers mit Filter und Demodulator

Info

Publication number
DE19847173A1
DE19847173A1 DE1998147173 DE19847173A DE19847173A1 DE 19847173 A1 DE19847173 A1 DE 19847173A1 DE 1998147173 DE1998147173 DE 1998147173 DE 19847173 A DE19847173 A DE 19847173A DE 19847173 A1 DE19847173 A1 DE 19847173A1
Authority
DE
Germany
Prior art keywords
facsimile machine
frequencies
detection
demodulator
filter
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.)
Withdrawn
Application number
DE1998147173
Other languages
German (de)
English (en)
Inventor
Michel Menu
Dominique Cazin
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Publication of DE19847173A1 publication Critical patent/DE19847173A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H04N1/32715—Detecting
    • H04N1/32717—Detecting a calling tone, e.g. CI
    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H04N1/32715—Detecting
    • H04N1/32719—Detecting a facsimile calling signal, e.g. CNG
    • 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
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
    • H04N1/32715—Detecting
    • H04N1/32726—Detecting signals other than facsimile protocol signals, e.g. DTMF signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Facsimile Transmission Control (AREA)
  • Facsimiles In General (AREA)
DE1998147173 1997-10-14 1998-10-14 Verfahren zur Steuerung einer Zentraleinheit eines Fernkopierers mit Filter und Demodulator Withdrawn DE19847173A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712803A FR2769782B1 (fr) 1997-10-14 1997-10-14 Procede de gestion d'une unite centrale de telecopieur a filtre et demodulateur

Publications (1)

Publication Number Publication Date
DE19847173A1 true DE19847173A1 (de) 1999-04-15

Family

ID=9512181

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998147173 Withdrawn DE19847173A1 (de) 1997-10-14 1998-10-14 Verfahren zur Steuerung einer Zentraleinheit eines Fernkopierers mit Filter und Demodulator

Country Status (3)

Country Link
DE (1) DE19847173A1 (fr)
FR (1) FR2769782B1 (fr)
GB (1) GB2331200B (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311580A (en) * 1988-07-18 1994-05-10 Canon Kabushiki Kaisha Communication apparatus for providing a modulated analog wave
FR2686207B1 (fr) * 1992-01-14 2001-10-12 Sagem Telecopieur videotex.
JP3247415B2 (ja) * 1992-02-24 2002-01-15 株式会社リコー 通信装置
JP2919685B2 (ja) * 1992-11-02 1999-07-12 シャープ株式会社 信号識別回路
US5490210A (en) * 1993-12-07 1996-02-06 Sasso; Bill J. Programmable telephone interface device
FR2735643A1 (fr) * 1995-06-15 1996-12-20 Canon Research Centre France S Procede et dispositif pour detecter la presence d'un signal periodique dans un ensemble de signaux

Also Published As

Publication number Publication date
FR2769782B1 (fr) 2000-01-07
GB2331200B (en) 2002-09-18
GB2331200A (en) 1999-05-12
GB9821894D0 (en) 1998-12-02
FR2769782A1 (fr) 1999-04-16

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee