FR2241926B1 - - Google Patents
Info
- Publication number
 - FR2241926B1 FR2241926B1 FR7428545A FR7428545A FR2241926B1 FR 2241926 B1 FR2241926 B1 FR 2241926B1 FR 7428545 A FR7428545 A FR 7428545A FR 7428545 A FR7428545 A FR 7428545A FR 2241926 B1 FR2241926 B1 FR 2241926B1
 - Authority
 - FR
 - France
 - Prior art keywords
 - digital filter
 - logic means
 - output
 - binary signal
 - pulse density
 - 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
 - H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
 - H03M3/00—Conversion of analogue values to or from differential modulation
 - H03M3/30—Delta-sigma modulation
 - H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
 - H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
 
 
Landscapes
- Engineering & Computer Science (AREA)
 - Theoretical Computer Science (AREA)
 - Analogue/Digital Conversion (AREA)
 - Dc Digital Transmission (AREA)
 - Compression, Expansion, Code Conversion, And Decoders (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| GB3993573A GB1436878A (en) | 1973-08-23 | 1973-08-23 | Pulse density modulation to pcm modulation translation | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| FR2241926A1 FR2241926A1 (en:Method) | 1975-03-21 | 
| FR2241926B1 true FR2241926B1 (en:Method) | 1978-02-17 | 
Family
ID=10412302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR7428545A Expired FR2241926B1 (en:Method) | 1973-08-23 | 1974-08-20 | 
Country Status (14)
| Country | Link | 
|---|---|
| US (1) | US3928823A (en:Method) | 
| JP (2) | JPS5076967A (en:Method) | 
| AR (1) | AR202942A1 (en:Method) | 
| BE (1) | BE819109A (en:Method) | 
| BR (1) | BR7406835D0 (en:Method) | 
| CA (1) | CA1021061A (en:Method) | 
| CH (1) | CH573684A5 (en:Method) | 
| DE (1) | DE2439712C2 (en:Method) | 
| ES (1) | ES429445A1 (en:Method) | 
| FR (1) | FR2241926B1 (en:Method) | 
| GB (1) | GB1436878A (en:Method) | 
| IT (1) | IT1017791B (en:Method) | 
| NL (1) | NL7411188A (en:Method) | 
| SE (1) | SE7410446L (en:Method) | 
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB1512612A (en) * | 1976-04-01 | 1978-06-01 | Standard Telephones Cables Ltd | Analogue to digital conversion | 
| US4638480A (en) * | 1979-04-24 | 1987-01-20 | Standard Telephones & Cables Public Limited Company | Distributed digital signal multiplexing | 
| US4580129A (en) * | 1983-11-14 | 1986-04-01 | Northern Telecom Limited | Variable word length decoder | 
| GB2158980B (en) * | 1984-03-23 | 1989-01-05 | Ricoh Kk | Extraction of phonemic information | 
| JPH0435111A (ja) * | 1990-05-25 | 1992-02-05 | Sony Corp | サンプリングレートコンバータ | 
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2852745A (en) * | 1953-11-05 | 1958-09-16 | Bell Telephone Labor Inc | Conversion of two-valued codes | 
| US2876418A (en) * | 1957-05-09 | 1959-03-03 | Bell Telephone Labor Inc | Encoder for pulse code modulation | 
| DE1257200B (de) * | 1965-11-10 | 1967-12-28 | Standard Elektrik Lorenz Ag | Anordnung zum Erkennen einer Folge von n gleichen Zeichen, insbesondere in einer PCM-Impulsfolge | 
| US3639848A (en) * | 1970-02-20 | 1972-02-01 | Electronic Communications | Transverse digital filter | 
| US3636454A (en) * | 1970-07-28 | 1972-01-18 | Bell Telephone Labor Inc | Digital circuit discriminator for frequency-shift data signals | 
| US3728678A (en) * | 1971-09-03 | 1973-04-17 | Bell Telephone Labor Inc | Error-correcting systems utilizing rate {178 {11 diffuse codes | 
- 
        1973
        
- 1973-08-23 GB GB3993573A patent/GB1436878A/en not_active Expired
 
 - 
        1974
        
- 1974-08-01 IT IT25826/74A patent/IT1017791B/it active
 - 1974-08-16 SE SE7410446A patent/SE7410446L/xx not_active Application Discontinuation
 - 1974-08-16 CH CH1123174A patent/CH573684A5/xx not_active IP Right Cessation
 - 1974-08-19 BR BR6835/74A patent/BR7406835D0/pt unknown
 - 1974-08-19 DE DE2439712A patent/DE2439712C2/de not_active Expired
 - 1974-08-20 FR FR7428545A patent/FR2241926B1/fr not_active Expired
 - 1974-08-21 AR AR255269A patent/AR202942A1/es active
 - 1974-08-22 US US499742A patent/US3928823A/en not_active Expired - Lifetime
 - 1974-08-22 NL NL7411188A patent/NL7411188A/xx not_active Application Discontinuation
 - 1974-08-22 ES ES429445A patent/ES429445A1/es not_active Expired
 - 1974-08-22 CA CA207,573A patent/CA1021061A/en not_active Expired
 - 1974-08-23 JP JP49096970A patent/JPS5076967A/ja active Pending
 - 1974-08-23 BE BE2053815A patent/BE819109A/xx unknown
 
 - 
        1979
        
- 1979-12-27 JP JP1979180446U patent/JPS5598042U/ja active Pending
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| CH573684A5 (en:Method) | 1976-03-15 | 
| ES429445A1 (es) | 1976-09-01 | 
| US3928823A (en) | 1975-12-23 | 
| AR202942A1 (es) | 1975-07-31 | 
| SE7410446L (en:Method) | 1975-02-24 | 
| NL7411188A (nl) | 1975-02-25 | 
| DE2439712A1 (de) | 1975-03-06 | 
| JPS5076967A (en:Method) | 1975-06-24 | 
| GB1436878A (en) | 1976-05-26 | 
| FR2241926A1 (en:Method) | 1975-03-21 | 
| CA1021061A (en) | 1977-11-15 | 
| DE2439712C2 (de) | 1986-03-13 | 
| BE819109A (nl) | 1975-02-24 | 
| IT1017791B (it) | 1977-08-10 | 
| BR7406835D0 (pt) | 1975-09-09 | 
| JPS5598042U (en:Method) | 1980-07-08 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |