NO136662B - - Google Patents
Download PDFInfo
- Publication number
- NO136662B NO136662B NO744617A NO744617A NO136662B NO 136662 B NO136662 B NO 136662B NO 744617 A NO744617 A NO 744617A NO 744617 A NO744617 A NO 744617A NO 136662 B NO136662 B NO 136662B
- Authority
- NO
- Norway
- Prior art keywords
- filter
- signal
- digital
- pcm
- delta
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims description 19
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7317374A SE381786B (sv) | 1973-12-21 | 1973-12-21 | Anordning for omvandling av en analog insignal till en pcm-utsignal innefattande en deltam-kodare |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO744617L NO744617L (enExample) | 1975-07-21 |
| NO136662B true NO136662B (enExample) | 1977-07-04 |
| NO136662C NO136662C (no) | 1977-10-12 |
Family
ID=20319488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO744617A NO136662C (no) | 1973-12-21 | 1974-12-20 | Anordning for omforming av et analogt innsignal til et pcm-utsignal. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3962636A (enExample) |
| BR (1) | BR7410610D0 (enExample) |
| CA (1) | CA1037168A (enExample) |
| DE (1) | DE2460210B2 (enExample) |
| DK (1) | DK140776B (enExample) |
| ES (1) | ES433188A1 (enExample) |
| FI (1) | FI56292C (enExample) |
| FR (1) | FR2255752B1 (enExample) |
| GB (1) | GB1489367A (enExample) |
| IT (1) | IT1027921B (enExample) |
| NL (1) | NL188319C (enExample) |
| NO (1) | NO136662C (enExample) |
| SE (1) | SE381786B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616349A (en) * | 1982-11-22 | 1986-10-07 | Mobil Oil Corporation | Analog-to-digital converter for seismic exploration using delta modulation |
| GB2133238A (en) * | 1982-12-10 | 1984-07-18 | Marconi Co Ltd | Coder/decoder arrangements |
| CA1271995A (en) * | 1984-07-05 | 1990-07-24 | Nec Corporation | Method and apparatus for converting an analog signal to a digital signal using an oversampling technique |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710056A (en) * | 1966-05-25 | 1973-01-09 | Nippon Electric Co | Time-division multiplex delta-modulation communication system |
| JPS513468B1 (enExample) * | 1970-10-28 | 1976-02-03 | ||
| FR2116224B1 (enExample) * | 1970-10-29 | 1974-10-31 | Ibm France |
-
1973
- 1973-12-21 SE SE7317374A patent/SE381786B/xx unknown
-
1974
- 1974-12-05 US US05/529,800 patent/US3962636A/en not_active Expired - Lifetime
- 1974-12-11 FI FI3572/74A patent/FI56292C/fi active
- 1974-12-17 CA CA216,255A patent/CA1037168A/en not_active Expired
- 1974-12-17 NL NLAANVRAGE7416423,A patent/NL188319C/xx not_active IP Right Cessation
- 1974-12-17 GB GB54537/74A patent/GB1489367A/en not_active Expired
- 1974-12-19 DE DE19742460210 patent/DE2460210B2/de active Granted
- 1974-12-19 BR BR10610/74A patent/BR7410610D0/pt unknown
- 1974-12-20 NO NO744617A patent/NO136662C/no unknown
- 1974-12-20 DK DK669574AA patent/DK140776B/da unknown
- 1974-12-20 ES ES433188A patent/ES433188A1/es not_active Expired
- 1974-12-20 IT IT30868/74A patent/IT1027921B/it active
- 1974-12-20 FR FR7442292A patent/FR2255752B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL188319C (nl) | 1992-05-18 |
| IT1027921B (it) | 1978-12-20 |
| SE7317374L (enExample) | 1975-06-23 |
| DK140776C (enExample) | 1980-05-05 |
| FI56292C (fi) | 1979-12-10 |
| DE2460210A1 (de) | 1975-07-03 |
| NL188319B (nl) | 1991-12-16 |
| NO136662C (no) | 1977-10-12 |
| GB1489367A (en) | 1977-10-19 |
| ES433188A1 (es) | 1976-11-16 |
| SE381786B (sv) | 1975-12-15 |
| AU7611774A (en) | 1976-06-10 |
| FR2255752A1 (enExample) | 1975-07-18 |
| NO744617L (enExample) | 1975-07-21 |
| DK140776B (da) | 1979-11-12 |
| CA1037168A (en) | 1978-08-22 |
| DE2460210B2 (de) | 1976-10-28 |
| US3962636A (en) | 1976-06-08 |
| FI56292B (fi) | 1979-08-31 |
| DK669574A (enExample) | 1975-08-18 |
| NL7416423A (nl) | 1975-06-24 |
| FI357274A7 (enExample) | 1975-06-22 |
| BR7410610D0 (pt) | 1975-09-02 |
| FR2255752B1 (enExample) | 1978-07-07 |
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