ES8308465A1 - "IMPROVEMENTS INTRODUCED IN A TELEVISION SIGNAL TRANSCODER IN THE FORM OF SAMPLED SIGNALS, AND IN A CORRESPONDING DIGITAL MULTIPLIER". - Google Patents
"IMPROVEMENTS INTRODUCED IN A TELEVISION SIGNAL TRANSCODER IN THE FORM OF SAMPLED SIGNALS, AND IN A CORRESPONDING DIGITAL MULTIPLIER".Info
- Publication number
- ES8308465A1 ES8308465A1 ES511906A ES511906A ES8308465A1 ES 8308465 A1 ES8308465 A1 ES 8308465A1 ES 511906 A ES511906 A ES 511906A ES 511906 A ES511906 A ES 511906A ES 8308465 A1 ES8308465 A1 ES 8308465A1
- Authority
- ES
- Spain
- Prior art keywords
- signals
- transcoder
- television signal
- corresponding digital
- sampled signals
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Color Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Complex Calculations (AREA)
Abstract
TRANSCODIFICADOR DE SEÑALES DE VIDEO MUESTREADAS A DIVERSAS FRECUENCIAS. EL TRANSCODIFICADOR TRANSFORMA EL CODIGO DE SEÑALES MUESTREADAS A UNA PRIMERA FRECUENCIA PARA OBTENER SEGUNDAS SEÑALES SINCRONIZADAS A UNA SEGUNDA FRECUENCIA. UTILIZA ELEMENTOS DE RETARDO PARA FORMAR MUESTRAS SUCESIVAMENTE RETARDADAS DE LA SEÑAL DE ENTRADA. DISPOSITIVOS SUBSTRACTORES FORMAN SEÑALES REPRESENTATIVAS DE LA DIFERENCIA DE AMPLITUD ENTRE MUESTRAS RETARDADAS SUCESIVAS. UNOS MULTIPLICADORES APLICAN UN MULTIPLICADO A LAS SEÑALES DE DIFERENCIA PARA FORMAR SEÑALES PONDERADAS, QUE FINALMENTE ENTRAN EN UN SUMADOR PARA FORMAR NUEVOS VALORES DE MUESTRA.TRANSCODER OF VIDEO SIGNALS SAMPLE AT VARIOUS FREQUENCIES. THE TRANSCODER TRANSFORMS THE CODE OF SIGNALS SAMPLED AT A FIRST FREQUENCY TO OBTAIN SECOND SIGNALS SYNCHRONIZED AT A SECOND FREQUENCY. USE DELAY ELEMENTS TO FORM SUCCESSIVELY DELAYED SAMPLES OF THE INPUT SIGNAL. SUBSTRACTOR DEVICES FORM SIGNALS REPRESENTATIVE OF THE DIFFERENCE IN AMPLITUDE BETWEEN SUCCESSIVE DELAYED SAMPLES. SOME MULTIPLIERS APPLY A MULTIPLIATE TO THE DIFFERENCE SIGNALS TO FORM WEIGHTED SIGNALS, WHICH FINALLY ENTER AN ADDER TO FORM NEW SAMPLE VALUES.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26261981A | 1981-05-11 | 1981-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8308465A1 true ES8308465A1 (en) | 1983-08-16 |
| ES511906A0 ES511906A0 (en) | 1983-08-16 |
Family
ID=22998297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES511906A Granted ES511906A0 (en) | 1981-05-11 | 1982-05-04 | "IMPROVEMENTS INTRODUCED IN A TELEVISION SIGNAL TRANSCODER IN THE FORM OF SAMPLED SIGNALS, AND IN A CORRESPONDING DIGITAL MULTIPLIER". |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS581378A (en) |
| KR (1) | KR840000134A (en) |
| AU (1) | AU8327682A (en) |
| DE (1) | DE3217681A1 (en) |
| ES (1) | ES511906A0 (en) |
| FI (1) | FI821562L (en) |
| FR (1) | FR2506102B1 (en) |
| GB (2) | GB2100092B (en) |
| IT (1) | IT1151396B (en) |
| NL (1) | NL8201914A (en) |
| PT (1) | PT74839B (en) |
| SE (1) | SE8202741L (en) |
| ZA (1) | ZA823237B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449143A (en) * | 1981-10-26 | 1984-05-15 | Rca Corporation | Transcodeable vertically scanned high-definition television system |
| JPS5897968A (en) * | 1981-12-05 | 1983-06-10 | Sony Corp | Sampling frequency converter for video signal |
| JPS59122040A (en) * | 1982-12-27 | 1984-07-14 | Sony Corp | Digital signal processing circuit |
| US4568965A (en) * | 1983-04-13 | 1986-02-04 | Rca Corporation | Four-sample sample-rate converter |
| DE3323619A1 (en) * | 1983-06-30 | 1985-01-03 | Siemens AG, 1000 Berlin und 8000 München | METHOD AND DEVICE FOR ADAPTING THE IMAGE DATA WORD RATE OF A PAL DECODER / CODER TO THE PROCESSING CLOCK FREQUENCY OF A VIDEO PROCESSING DEVICE |
| JPS60191584A (en) * | 1984-03-13 | 1985-09-30 | Toshiba Corp | Receiver of character multiplex broadcast signal |
| US4605962A (en) * | 1984-11-30 | 1986-08-12 | Rca Corporation | Progressive scan television system with video compression exceeding display line rate |
| US4652908A (en) * | 1985-03-25 | 1987-03-24 | Rca Corporation | Filtering system for processing a reduced-resolution video image |
| JPS63245569A (en) * | 1987-03-31 | 1988-10-12 | Yokogawa Medical Syst Ltd | Picture display processor |
| KR890003139A (en) * | 1987-07-29 | 1989-04-13 | 오가 노리오 | Digital signal coding method and apparatus therefor |
| US5057911A (en) * | 1989-10-19 | 1991-10-15 | Matsushita Electric Industrial Co., Ltd. | System and method for conversion of digital video signals |
| DE19710005A1 (en) | 1997-03-12 | 1998-09-17 | Heidelberger Druckmasch Ag | Method and device for engraving printing cylinders |
| JP3013808B2 (en) | 1997-05-19 | 2000-02-28 | 日本電気株式会社 | Resolution conversion method and display control device using the same |
| DE10002964A1 (en) * | 2000-01-25 | 2001-07-26 | Philips Corp Intellectual Pty | Arrangement for filtering digital data for video systems by controlling bursts of synchronizing data to level which can be processed by encoder circuit in given period |
| USD502877S1 (en) | 2003-08-11 | 2005-03-15 | Stokely-Van Camp, Inc. | Bottle portion |
| USD530619S1 (en) | 2003-08-11 | 2006-10-24 | Stokley-Van Camp, Inc. | Bottle portion |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945149A (en) * | 1958-03-27 | 1963-12-23 | United Aircraft Corp | Apparatus for performing arithmetic operations |
| SE308413B (en) * | 1967-06-30 | 1969-02-10 | Ibm Svenska Ab | |
| US4051531A (en) * | 1970-03-26 | 1977-09-27 | Independent Broadcasting Authority | Television systems |
| GB1391434A (en) * | 1971-03-26 | 1975-04-23 | British Broadcasting Corp | Television standards conversion |
| GB1455821A (en) * | 1972-11-02 | 1976-11-17 | British Broadcasting Corp | Generation and monitoring of freuqencies related by a rational ratio |
| US4037093A (en) * | 1975-12-29 | 1977-07-19 | Honeywell Information Systems, Inc. | Matrix multiplier in GF(2m) |
| DE2837120A1 (en) * | 1977-09-01 | 1979-03-15 | British Broadcasting Corp | METHOD AND ARRANGEMENT FOR PROCESSING PAL COLOR TELEVISION SIGNALS IN DIGITAL FORM |
| JPS55102066A (en) * | 1979-01-31 | 1980-08-04 | Toshiba Corp | Conversion unit for image resolution |
| JPS6028185B2 (en) * | 1979-05-28 | 1985-07-03 | 日本電気株式会社 | Data interpolation method |
| JPS567343A (en) * | 1979-07-02 | 1981-01-26 | Mitsubishi Electric Corp | Fluorescent lamp |
-
1982
- 1982-04-30 SE SE8202741A patent/SE8202741L/en not_active Application Discontinuation
- 1982-05-03 PT PT74839A patent/PT74839B/en not_active IP Right Cessation
- 1982-05-04 FI FI821562A patent/FI821562L/en not_active Application Discontinuation
- 1982-05-04 AU AU83276/82A patent/AU8327682A/en not_active Abandoned
- 1982-05-04 ES ES511906A patent/ES511906A0/en active Granted
- 1982-05-10 NL NL8201914A patent/NL8201914A/en not_active Application Discontinuation
- 1982-05-10 GB GB8213424A patent/GB2100092B/en not_active Expired
- 1982-05-10 IT IT21180/82A patent/IT1151396B/en active
- 1982-05-11 ZA ZA823237A patent/ZA823237B/en unknown
- 1982-05-11 FR FR8208173A patent/FR2506102B1/en not_active Expired
- 1982-05-11 KR KR1019820002073A patent/KR840000134A/en not_active Withdrawn
- 1982-05-11 JP JP57079835A patent/JPS581378A/en active Pending
- 1982-05-11 DE DE19823217681 patent/DE3217681A1/en active Granted
-
1984
- 1984-11-05 GB GB08427953A patent/GB2149538A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2506102B1 (en) | 1988-03-04 |
| PT74839A (en) | 1982-06-01 |
| GB2100092B (en) | 1986-05-29 |
| GB8427953D0 (en) | 1984-12-12 |
| DE3217681C2 (en) | 1988-03-31 |
| KR840000134A (en) | 1984-01-30 |
| IT8221180A0 (en) | 1982-05-10 |
| PT74839B (en) | 1983-12-23 |
| FI821562A7 (en) | 1982-11-12 |
| DE3217681A1 (en) | 1982-11-25 |
| GB2149538A (en) | 1985-06-12 |
| FI821562L (en) | 1982-11-12 |
| JPS581378A (en) | 1983-01-06 |
| SE8202741L (en) | 1982-11-12 |
| FI821562A0 (en) | 1982-05-04 |
| NL8201914A (en) | 1982-12-01 |
| IT1151396B (en) | 1986-12-17 |
| AU8327682A (en) | 1982-11-18 |
| ZA823237B (en) | 1983-05-25 |
| ES511906A0 (en) | 1983-08-16 |
| FR2506102A1 (en) | 1982-11-19 |
| GB2100092A (en) | 1982-12-15 |
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