JPS50137065A - - Google Patents
Info
- Publication number
- JPS50137065A JPS50137065A JP50035688A JP3568875A JPS50137065A JP S50137065 A JPS50137065 A JP S50137065A JP 50035688 A JP50035688 A JP 50035688A JP 3568875 A JP3568875 A JP 3568875A JP S50137065 A JPS50137065 A JP S50137065A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US458936A US3916314A (en) | 1974-04-08 | 1974-04-08 | Non-linear filter for delta modulator output using shift register and table lookup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50137065A true JPS50137065A (https=) | 1975-10-30 |
| JPS5429336B2 JPS5429336B2 (https=) | 1979-09-22 |
Family
ID=23822695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3568875A Expired JPS5429336B2 (https=) | 1974-04-08 | 1975-03-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3916314A (https=) |
| JP (1) | JPS5429336B2 (https=) |
| CA (1) | CA1033067A (https=) |
| DE (1) | DE2506627C2 (https=) |
| FR (1) | FR2266984B1 (https=) |
| GB (1) | GB1445959A (https=) |
| IT (1) | IT1031806B (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3971987A (en) * | 1975-02-07 | 1976-07-27 | International Business Machines Corporation | Gain method and apparatus for a delta modulator |
| US4097753A (en) * | 1976-04-02 | 1978-06-27 | International Business Machines Corporation | Comparator circuit for a C-2C A/D and D/A converter |
| NL7801909A (nl) * | 1978-02-21 | 1979-08-23 | Philips Nv | Inrichting voor het decoderen van een met adap- tieve deltamodulatie gecodeerd signaal. |
| GB2133238A (en) * | 1982-12-10 | 1984-07-18 | Marconi Co Ltd | Coder/decoder arrangements |
| FR2543380B1 (fr) * | 1983-03-24 | 1985-07-26 | Labo Cent Telecommunicat | Procede et dispositif de transcodage d'un signal numerique mic et application au codage analogique-numerique d'un signal analogique a large bande |
| US4700362A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | A-D encoder and D-A decoder system |
| GB2178577B (en) * | 1985-07-27 | 1989-01-11 | Plessey Co Plc | A signal converter |
| JPH0330521A (ja) * | 1989-06-27 | 1991-02-08 | Sony Corp | ディジタル信号デコード装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3393364A (en) * | 1965-10-23 | 1968-07-16 | Signatron | Statistical delta modulation system |
| JPS4831139B1 (https=) * | 1969-03-11 | 1973-09-27 | ||
| US3628148A (en) * | 1969-12-23 | 1971-12-14 | Bell Telephone Labor Inc | Adaptive delta modulation system |
| JPS4860570A (https=) * | 1971-11-19 | 1973-08-24 | ||
| US3763433A (en) * | 1972-01-13 | 1973-10-02 | Univ Iowa State Res Found Inc | System and method for differential pulse code modulation of analog signals |
-
1974
- 1974-04-08 US US458936A patent/US3916314A/en not_active Expired - Lifetime
-
1975
- 1975-01-24 FR FR7502850A patent/FR2266984B1/fr not_active Expired
- 1975-02-10 GB GB550975A patent/GB1445959A/en not_active Expired
- 1975-02-17 DE DE2506627A patent/DE2506627C2/de not_active Expired
- 1975-02-18 IT IT20353/75A patent/IT1031806B/it active
- 1975-03-05 CA CA221,462A patent/CA1033067A/en not_active Expired
- 1975-03-26 JP JP3568875A patent/JPS5429336B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2506627A1 (de) | 1975-10-09 |
| CA1033067A (en) | 1978-06-13 |
| US3916314A (en) | 1975-10-28 |
| IT1031806B (it) | 1979-05-10 |
| JPS5429336B2 (https=) | 1979-09-22 |
| GB1445959A (en) | 1976-08-11 |
| DE2506627C2 (de) | 1983-04-07 |
| FR2266984B1 (https=) | 1977-07-15 |
| FR2266984A1 (https=) | 1975-10-31 |