ES2095229T3 - Sistema y metodo de compresion de señales de comunicaciones. - Google Patents
Sistema y metodo de compresion de señales de comunicaciones.Info
- Publication number
- ES2095229T3 ES2095229T3 ES90119336T ES90119336T ES2095229T3 ES 2095229 T3 ES2095229 T3 ES 2095229T3 ES 90119336 T ES90119336 T ES 90119336T ES 90119336 T ES90119336 T ES 90119336T ES 2095229 T3 ES2095229 T3 ES 2095229T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- communication signal
- compression system
- signal compression
- present
- 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
- H04N1/41—Bandwidth or redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Facsimiles In General (AREA)
Abstract
UN SISTEMA DE TELECOMUNICACION Y UN METODO PARA COMUNICAR SEÑALES DE COMUNICACION ENTRE VARIAS ESTACIONES SOBRE UN MEDIO DE PORTADORA SELECCIONADO. SE PRESENTAN UN CODIFICADOR MEJORADO Y UN METODO PARA COMPRIMIR UNA SEÑAL DE COMUNICACION EN UNA SEÑAL CODIFICADA FORMATEADA DE MANERA SELECTIVA PARA FACILITAR SU TRANSMISION SOBRE EL MEDIO DE PORTADORA SELECCIONADO. EL METODO ES PARTICULARMENTE UTIL PARA CODIFICAR SEÑALES DE DATOS DE FAX Y DE MODEM QUE NO PRESENTAN LOS ARMONICOS DE UNA SEÑAL VOCAL. TAMBIEN SE PRESENTAN UN DESCODIFICADOR Y UN METODO PARA LA RECONSTRUCCION DE LA SEÑAL CODIFICADA.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/369,292 US4974099A (en) | 1989-06-21 | 1989-06-21 | Communication signal compression system and method |
| EP90119336A EP0480083B9 (en) | 1989-06-21 | 1990-10-09 | Communication signal compression system and method |
| CA002033310A CA2033310C (en) | 1989-06-21 | 1990-11-27 | Communication signal compression system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2095229T3 true ES2095229T3 (es) | 1997-02-16 |
| ES2095229T5 ES2095229T5 (es) | 2005-11-01 |
Family
ID=27168851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90119336T Expired - Lifetime ES2095229T5 (es) | 1989-06-21 | 1990-10-09 | Sistema y metodo de compresion de señales de comunicaciones. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4974099A (es) |
| EP (1) | EP0480083B9 (es) |
| CA (1) | CA2033310C (es) |
| DE (1) | DE69029658T3 (es) |
| ES (1) | ES2095229T5 (es) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| US7106819B1 (en) * | 1987-11-20 | 2006-09-12 | Interdigital Technology Corporation | Plural subscriber system utilizing synchronized timeslots on a single frequency |
| US5495508A (en) * | 1987-11-20 | 1996-02-27 | Interdigital Technology Corporation | Base station emulator |
| US5930297A (en) * | 1989-11-20 | 1999-07-27 | Interdigital Technology Corporation | Base station emulator |
| US5072308A (en) * | 1989-06-21 | 1991-12-10 | International Mobile Machines Corporation | Communication signal compression system and method |
| US5243438A (en) * | 1989-10-30 | 1993-09-07 | At&T Bell Laboratories | Facsimile compression for transmission |
| KR930006476B1 (ko) * | 1990-09-29 | 1993-07-16 | 삼성전자 주식회사 | 영상처리 시스템의 데이타 변복조방법 |
| FI92894C (fi) * | 1992-08-17 | 1995-01-10 | Nokia Telecommunications Oy | Järjestely datansiirron tehostamiseksi digitaalisessa solukkoradioverkossa |
| US7082106B2 (en) | 1993-01-08 | 2006-07-25 | Multi-Tech Systems, Inc. | Computer-based multi-media communications system and method |
| DE4492048C2 (de) * | 1993-03-26 | 1997-01-02 | Motorola Inc | Vektorquantisierungs-Verfahren |
| US5546383A (en) | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
| US5513212A (en) * | 1993-11-15 | 1996-04-30 | At&T Corp. | Conversion of a fax modulation to a data modulation |
| DE19680399T1 (de) * | 1995-04-19 | 1997-09-18 | Motorola Inc | Verfahren und Vorrichtung zur niederratigen Kodierung und Dekodierung |
| US5508708A (en) * | 1995-05-08 | 1996-04-16 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
| US5900825A (en) * | 1996-08-01 | 1999-05-04 | Manitto Technologies, Inc. | System and method for communicating location and direction specific information to a vehicle |
| US6111870A (en) * | 1996-11-07 | 2000-08-29 | Interdigital Technology Corporation | Method and apparatus for compressing and transmitting high speed data |
| US6434125B1 (en) * | 1997-10-24 | 2002-08-13 | Lucent Technologies Inc. | Automatic data service selection method and apparatus for digital wireless communication networks |
| WO2001006750A1 (en) * | 1999-07-16 | 2001-01-25 | Nokia Corporation | Tty/tdd interoperable solution in digital wireless system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53138628A (en) * | 1977-05-10 | 1978-12-04 | Ricoh Co Ltd | Compressed data reproducing method using interpolation |
| JPS53141525A (en) * | 1977-05-16 | 1978-12-09 | Ricoh Co Ltd | Highly-compressible facsimile equipment |
| US4291329A (en) * | 1979-08-31 | 1981-09-22 | Westinghouse Electric Corp. | Thyristor with continuous recombination center shunt across planar emitter-base junction |
| US4517561A (en) * | 1982-07-28 | 1985-05-14 | Motorola, Inc. | Selective call, paging and priority signalling system |
| DE3233288A1 (de) * | 1982-09-08 | 1984-03-08 | Robert Bosch Gmbh, 7000 Stuttgart | System zur zeitlichen kompression und/oder expansion von elektrischen signalen |
| US4675863A (en) * | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| US4783698A (en) * | 1987-04-13 | 1988-11-08 | Technology Inc., 64 | Interpolator for compressed video data |
-
1989
- 1989-06-21 US US07/369,292 patent/US4974099A/en not_active Expired - Lifetime
-
1990
- 1990-10-09 ES ES90119336T patent/ES2095229T5/es not_active Expired - Lifetime
- 1990-10-09 EP EP90119336A patent/EP0480083B9/en not_active Expired - Lifetime
- 1990-10-09 DE DE69029658T patent/DE69029658T3/de not_active Expired - Lifetime
- 1990-11-27 CA CA002033310A patent/CA2033310C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69029658D1 (de) | 1997-02-20 |
| DE69029658T2 (de) | 1997-04-24 |
| US4974099A (en) | 1990-11-27 |
| CA2033310A1 (en) | 1992-05-28 |
| EP0480083B1 (en) | 1997-01-08 |
| CA2033310C (en) | 1996-01-16 |
| EP0480083B2 (en) | 2005-04-20 |
| ES2095229T5 (es) | 2005-11-01 |
| EP0480083A1 (en) | 1992-04-15 |
| EP0480083B9 (en) | 2006-05-10 |
| DE69029658T3 (de) | 2006-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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