ES2179858T3 - Aparato de comunicacion de datos. - Google Patents
Aparato de comunicacion de datos.Info
- Publication number
- ES2179858T3 ES2179858T3 ES95116585T ES95116585T ES2179858T3 ES 2179858 T3 ES2179858 T3 ES 2179858T3 ES 95116585 T ES95116585 T ES 95116585T ES 95116585 T ES95116585 T ES 95116585T ES 2179858 T3 ES2179858 T3 ES 2179858T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- communication
- signs
- protocol
- synchronization
- 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.)
- Expired - Lifetime
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
- H04N1/32789—Details of handshaking
- H04N1/32791—Arrangements for reducing the handshaking procedure or protocol time
-
- 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
- H04N1/32702—Initiating, continuing or ending a single-mode communication; Handshaking therefor using digital control signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Transmission Control (AREA)
- Communication Control (AREA)
Abstract
UN SISTEMA DE COMUNICACION POR FAX Y UN APARATO DE COMUNICACION QUE REDUCE EL TIEMPO DE PERDIDA DEBIDO A LA SINCRONIZACION DE TRANSMISION/RECEPCION Y ACORTA EL TIEMPO DE COMUNICACION. TAMBIEN ACORTAN EL TIEMPO DE COMUNICACION EN UN MODO DE COMUNICACION DOBLE COMPLETO Y PERMITEN LA CONMUTACION APROPIADA DE LA COMUNICACION DOBLE COMPLETA EN EL RELEVO ENTRE TRANSMISION/RECEPCION. LAS SEÑALES DIS-CFR, LA SEÑALES EOP-DCN, LAS SEÑALES NSS-TSI Y LAS SEÑALES TSI-DCS DE UN PROTOCOLO DE COMUNICACION POR FAX ESTAN CONECTADAS POR SEÑALES DE SINCRONIZACION DE MANERA QUE LAS SEÑALES DE SINCRONIZACION SEAN ENVIADAS INCLUSO DESPUES DE ENVIAR LA SEÑAL DE PROTOCOLO. ASI EL ENVIO DE LA SEÑAL DE SINCRONIZACION DURANTE UN SEGUNDO CUANDO LA SIGUIENTE SEÑAL DE PROTOCOLO ES ENVIADA NO ES NECESARIO Y SE REDUCE EL TIEMPO REQUERIDO PARA LA SEÑAL DE PROTOCOLO. SE ENVIA UNA SEÑAL ANSAM QUE DESACTIVA LA FUNCION DE UN SUPRESOR DE ECO CUANDO SE DETECTA LA LLAMADA Y LA ESTACION DE LLAMADA ENVIA A CONTINUACION UNA SEÑAL DEPROTOCOLO Y UNA SEÑAL DE IMAGEN DE MANERA QUE NO CAUSE LA INTERRUPCION DE LA SEÑAL DE 50 MS O MAS, Y EN EL RELEVO DE TRANSMISION/RECEPCION EN EL EXTREMO DE LA SEÑAL DE IMAGEN DE LA ESTACION DE LLAMADA, UNA ESTACION LLAMADA ENVIA UNA SEÑAL ANSAM Y ENVIA UNA SEÑAL DE PROTOCOLO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28265194A JP3517464B2 (ja) | 1994-10-21 | 1994-10-21 | ファクシミリ通信方法およびファクシミリ装置 |
JP6300940A JPH08163272A (ja) | 1994-12-05 | 1994-12-05 | データ通信装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2179858T3 true ES2179858T3 (es) | 2003-02-01 |
Family
ID=26554694
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES01129964T Expired - Lifetime ES2230228T3 (es) | 1994-10-21 | 1995-10-20 | Aparato de comunicacion de datos y aparato facsimil. |
ES95116585T Expired - Lifetime ES2179858T3 (es) | 1994-10-21 | 1995-10-20 | Aparato de comunicacion de datos. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES01129964T Expired - Lifetime ES2230228T3 (es) | 1994-10-21 | 1995-10-20 | Aparato de comunicacion de datos y aparato facsimil. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6388770B1 (es) |
EP (2) | EP1209898B1 (es) |
CN (1) | CN1154337C (es) |
DE (2) | DE69533902T2 (es) |
ES (2) | ES2230228T3 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6115142A (en) * | 1997-08-04 | 2000-09-05 | Qualcomm Incorporated | Method and apparatus for supporting analog fax calls in a tandem configuration |
DE59813391D1 (de) * | 1997-08-21 | 2006-04-20 | Siemens Schweiz Ag Zuerich | Verfahren zum bereitstellen von einrichtungen zur echounterdrückung in einem kommunikationsnetz |
JP4236377B2 (ja) | 1997-08-29 | 2009-03-11 | クゥアルコム・インコーポレイテッド | タンデム構造でアナログファックス呼をサポートするための装置および方法 |
EP1526708A1 (en) * | 1997-08-29 | 2005-04-27 | QUALCOMM Incorporated | Apparatus and method for supporting analog fax calls in a tandem configuration |
JP2002033873A (ja) * | 2000-07-17 | 2002-01-31 | Matsushita Graphic Communication Systems Inc | ファクシミリ装置及び中継機 |
JP2002218191A (ja) * | 2001-01-22 | 2002-08-02 | Murata Mach Ltd | 通信端末装置及び通信制御プログラムを記録した記録媒体 |
EP1872567A4 (en) * | 2005-04-21 | 2009-12-16 | Viasat Inc | METHOD AND DEVICE FOR COMMUNICATING BETWEEN FAX MACHINES VIA DIGITALLY COMPRESSED AUDIO CHANNELS AND DISCRIMINATION OF THE CALL TYPE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0620228B2 (ja) | 1984-03-13 | 1994-03-16 | キヤノン株式会社 | フアクシミリ装置 |
GB2169174B (en) | 1984-11-28 | 1989-06-01 | Canon Kk | Data communication apparatus |
US4885755A (en) | 1985-04-10 | 1989-12-05 | Canon Kabushiki Kaisha | Method and apparatus for data communication |
JP2871704B2 (ja) | 1988-12-29 | 1999-03-17 | キヤノン株式会社 | 画像通信方法 |
JPH04286452A (ja) | 1991-03-15 | 1992-10-12 | Fujitsu Ltd | データ通信装置 |
US5343515A (en) * | 1991-09-13 | 1994-08-30 | Treffkorn Remco V | High speed modem |
-
1995
- 1995-10-19 US US08/545,114 patent/US6388770B1/en not_active Expired - Lifetime
- 1995-10-20 ES ES01129964T patent/ES2230228T3/es not_active Expired - Lifetime
- 1995-10-20 ES ES95116585T patent/ES2179858T3/es not_active Expired - Lifetime
- 1995-10-20 CN CNB951202855A patent/CN1154337C/zh not_active Expired - Lifetime
- 1995-10-20 EP EP01129964A patent/EP1209898B1/en not_active Expired - Lifetime
- 1995-10-20 DE DE69533902T patent/DE69533902T2/de not_active Expired - Lifetime
- 1995-10-20 DE DE69527245T patent/DE69527245T2/de not_active Expired - Lifetime
- 1995-10-20 EP EP95116585A patent/EP0708549B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0708549A3 (en) | 1996-08-14 |
EP1209898B1 (en) | 2004-12-29 |
US6388770B1 (en) | 2002-05-14 |
EP1209898A2 (en) | 2002-05-29 |
DE69527245T2 (de) | 2003-03-27 |
CN1154337C (zh) | 2004-06-16 |
DE69533902T2 (de) | 2005-12-29 |
EP1209898A3 (en) | 2002-07-03 |
DE69533902D1 (de) | 2005-02-03 |
EP0708549A2 (en) | 1996-04-24 |
DE69527245D1 (de) | 2002-08-08 |
CN1139332A (zh) | 1997-01-01 |
EP0708549B1 (en) | 2002-07-03 |
ES2230228T3 (es) | 2005-05-01 |
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