ES8703068A1 - Aparato para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits. - Google Patents
Aparato para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits.Info
- Publication number
- ES8703068A1 ES8703068A1 ES544048A ES544048A ES8703068A1 ES 8703068 A1 ES8703068 A1 ES 8703068A1 ES 544048 A ES544048 A ES 544048A ES 544048 A ES544048 A ES 544048A ES 8703068 A1 ES8703068 A1 ES 8703068A1
- Authority
- ES
- Spain
- Prior art keywords
- delta modulated
- modulated signals
- sampling rate
- rate converter
- signal
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
APARATO PARA LA CONVERSION DE UNA PRIMERA SEÑAL MODULADA EN DELTA CON UNA PRIMERA FRECUENCIA DE BITS EN UNA SEGUNDA SEÑAL MODULADA EN DELTA CON UNA SEGUNDA FRECUENCIA DE BITS. DOS SEÑALES DIGITALES DEDUCIDAS DE LAS DOS SEÑALES MODULADAS EN DELTA SE COMPARAN ENTRE SI EN UN CIRCUITO SUMADOR (58), SEGUIDO POR UN CIRCUITO DE INTEGRACION (55). DE ESTA FORMA SE EVITA UNA SEÑAL INTERMEDIA ANALOGICA Y LA COMPLEJIDAD DEL CIRCUITO ES PEQUEÑA. EN LA REALIZACION PROPUESTA COMO PREFERIDA, LA SEÑAL DIFERENCIA ES INTEGRADA Y CUANTIFICADA PARA PROPORCIONAR LA SEGUNDA SEÑAL MODULADA EN DELTA QUE ES, A CONTINUACION, REALIMENTADA NEGATIVAMENTE AL CIRCUITO SUMADOR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH283184 | 1984-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8703068A1 true ES8703068A1 (es) | 1987-01-16 |
ES544048A0 ES544048A0 (es) | 1987-01-16 |
Family
ID=4242577
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES544048A Expired ES8703068A1 (es) | 1984-06-12 | 1985-06-11 | Aparato para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits. |
ES557013A Expired ES8800535A1 (es) | 1984-06-12 | 1986-08-14 | Metodo para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES557013A Expired ES8800535A1 (es) | 1984-06-12 | 1986-08-14 | Metodo para convertir una primera senal modulada en delta con una primera frecuencia de bits en una segunda senal modulada en delta con una segunda frecuencia de bits |
Country Status (10)
Country | Link |
---|---|
US (1) | US4630007A (es) |
EP (1) | EP0165014A3 (es) |
JP (1) | JPS6112126A (es) |
KR (1) | KR860000753A (es) |
AU (1) | AU576591B2 (es) |
BR (1) | BR8502770A (es) |
CA (1) | CA1240798A (es) |
DK (1) | DK263885A (es) |
ES (2) | ES8703068A1 (es) |
NO (1) | NO852351L (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0165014A3 (en) * | 1984-06-12 | 1988-06-08 | Dolby Laboratories Licensing Corporation | Sampling rate converter for delta modulated signals |
WO1986004198A1 (en) * | 1984-12-29 | 1986-07-17 | Sony Corporation | Digital signal transmission device |
GB2320165A (en) * | 1996-11-27 | 1998-06-10 | Sony Uk Ltd | Signal processors |
GB2320867B (en) * | 1996-11-27 | 2001-12-05 | Sony Uk Ltd | Signal processors |
US6590510B2 (en) | 2000-06-16 | 2003-07-08 | Lionel Jacques Woog | Sample rate converter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027713B1 (es) * | 1970-06-22 | 1975-09-09 | ||
FR2399763A1 (fr) * | 1977-08-03 | 1979-03-02 | Trt Telecom Radio Electr | Dispositif numerique pour diviser la frequence d'echantillonnage dans un signal code au moyen de la modulation delta |
FR2441971A1 (fr) * | 1978-11-17 | 1980-06-13 | Trt Telecom Radio Electr | Systeme de transmission utilisant la modulation differentielle par codage d'impulsions |
EP0052847B1 (de) * | 1980-11-26 | 1985-07-17 | WILLI STUDER AG Fabrik für elektronische Apparate | Verfahren und Schaltungsanordnung zur Umsetzung der Abtastfrequenz einer Abtastfolge unter Umgehung der Konversion in ein kontinuierliches Signal |
US4411003A (en) * | 1981-07-20 | 1983-10-18 | Communication Satellite Corporation | Multiple-loop adaptive delta modulator |
US4467291A (en) * | 1981-11-23 | 1984-08-21 | U.S. Philips Corporation | Delta modulator having optimized loop filter |
EP0165014A3 (en) * | 1984-06-12 | 1988-06-08 | Dolby Laboratories Licensing Corporation | Sampling rate converter for delta modulated signals |
-
1985
- 1985-06-05 EP EP85303983A patent/EP0165014A3/en not_active Withdrawn
- 1985-06-10 US US06/742,883 patent/US4630007A/en not_active Expired - Fee Related
- 1985-06-11 NO NO852351A patent/NO852351L/no unknown
- 1985-06-11 BR BR8502770A patent/BR8502770A/pt unknown
- 1985-06-11 ES ES544048A patent/ES8703068A1/es not_active Expired
- 1985-06-11 KR KR1019850004093A patent/KR860000753A/ko not_active Application Discontinuation
- 1985-06-12 CA CA000483815A patent/CA1240798A/en not_active Expired
- 1985-06-12 AU AU43603/85A patent/AU576591B2/en not_active Ceased
- 1985-06-12 JP JP60127893A patent/JPS6112126A/ja active Pending
- 1985-06-12 DK DK263885A patent/DK263885A/da not_active Application Discontinuation
-
1986
- 1986-08-14 ES ES557013A patent/ES8800535A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES544048A0 (es) | 1987-01-16 |
CA1240798A (en) | 1988-08-16 |
US4630007A (en) | 1986-12-16 |
EP0165014A3 (en) | 1988-06-08 |
KR860000753A (ko) | 1986-01-30 |
AU4360385A (en) | 1985-12-19 |
DK263885D0 (da) | 1985-06-12 |
DK263885A (da) | 1985-12-13 |
ES557013A0 (es) | 1987-11-01 |
JPS6112126A (ja) | 1986-01-20 |
EP0165014A2 (en) | 1985-12-18 |
BR8502770A (pt) | 1986-02-18 |
AU576591B2 (en) | 1988-09-01 |
NO852351L (no) | 1985-12-13 |
ES8800535A1 (es) | 1987-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010402 |