CH584482A5 - - Google Patents
Info
- Publication number
- CH584482A5 CH584482A5 CH1387672A CH1387672A CH584482A5 CH 584482 A5 CH584482 A5 CH 584482A5 CH 1387672 A CH1387672 A CH 1387672A CH 1387672 A CH1387672 A CH 1387672A CH 584482 A5 CH584482 A5 CH 584482A5
- Authority
- CH
- Switzerland
Links
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
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/04—Colour television systems using pulse code modulation
- H04N11/042—Codec means
- H04N11/046—DPCM
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Color Television Signals (AREA)
- Color Television Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4473771A GB1357165A (en) | 1971-09-24 | 1971-09-24 | Differential pulse-code modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH584482A5 true CH584482A5 (it) | 1977-01-31 |
Family
ID=10434543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1387672A CH584482A5 (it) | 1971-09-24 | 1972-09-22 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3800225A (it) |
| AU (1) | AU464144B2 (it) |
| CA (1) | CA964370A (it) |
| CH (1) | CH584482A5 (it) |
| DE (1) | DE2246507A1 (it) |
| DK (1) | DK132779C (it) |
| GB (1) | GB1357165A (it) |
| IT (1) | IT967767B (it) |
| NL (1) | NL7212801A (it) |
| NO (1) | NO134928C (it) |
| SE (1) | SE391265B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1344312A (en) * | 1971-08-27 | 1974-01-23 | Post Office | Digital encoding system |
| US4039948A (en) * | 1974-06-19 | 1977-08-02 | Boxall Frank S | Multi-channel differential pulse code modulation system |
| GB1520634A (en) * | 1974-08-23 | 1978-08-09 | Post Office | Digital encoding system |
| US3946432A (en) * | 1974-10-10 | 1976-03-23 | Cbs Inc. | Apparatus for digitally encoding a television signal |
| US3941924A (en) * | 1974-11-25 | 1976-03-02 | Northrop Corporation | Simplified multi-channel data sensor system |
| NL174611C (nl) * | 1975-06-12 | 1984-07-02 | Philips Nv | Differentieel pulscodemodulatie overdrachtstelsel. |
| US3991269A (en) * | 1975-09-18 | 1976-11-09 | Bell Telephone Laboratories, Incorporated | Digital coding without additional bits to provide sign information |
| JPS5915530B2 (ja) * | 1978-02-21 | 1984-04-10 | 大日本スクリ−ン製造株式会社 | アナログ信号のサンプリング方法 |
| DE3317115A1 (de) * | 1983-05-10 | 1984-11-15 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur uebertragung von digitalen luminanz- und chrominanzsignalen des fernsehens |
| WO2012081784A1 (ko) * | 2010-12-13 | 2012-06-21 | 한국철도기술연구원 | 차량 내 감시장치의 검지데이터에 대한 데이터 축소 방법 및 그 방법에 의한 차량의 준실시간 결함 감시 방법 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2724740A (en) * | 1950-06-29 | 1955-11-22 | Bell Telephone Labor Inc | Quantized transmission with variable quanta |
| US2927962A (en) * | 1954-04-26 | 1960-03-08 | Bell Telephone Labor Inc | Transmission systems employing quantization |
| US3354267A (en) * | 1965-01-13 | 1967-11-21 | Bell Telephone Labor Inc | Differential pcm system employing digital integration |
| NL141055B (nl) * | 1965-03-20 | 1974-01-15 | Philips Nv | Code-omzetter voor het omzetten van een tweewaardige pulsreeks in een driewaardige pulsreeks. |
| US3707680A (en) * | 1970-05-20 | 1972-12-26 | Communications Satellite Corp | Digital differential pulse code modulation system |
-
1971
- 1971-09-24 GB GB4473771A patent/GB1357165A/en not_active Expired
-
1972
- 1972-09-18 CA CA151,900A patent/CA964370A/en not_active Expired
- 1972-09-19 US US00290408A patent/US3800225A/en not_active Expired - Lifetime
- 1972-09-19 AU AU46824/72A patent/AU464144B2/en not_active Expired
- 1972-09-20 NO NO3367/72A patent/NO134928C/no unknown
- 1972-09-21 NL NL7212801A patent/NL7212801A/xx not_active Application Discontinuation
- 1972-09-22 SE SE7212279A patent/SE391265B/xx unknown
- 1972-09-22 DK DK469672A patent/DK132779C/da active
- 1972-09-22 CH CH1387672A patent/CH584482A5/xx not_active IP Right Cessation
- 1972-09-22 DE DE2246507A patent/DE2246507A1/de not_active Withdrawn
- 1972-09-22 IT IT29555/72A patent/IT967767B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU4682472A (en) | 1974-03-28 |
| NL7212801A (it) | 1973-03-27 |
| SE391265B (sv) | 1977-02-07 |
| GB1357165A (en) | 1974-06-19 |
| CA964370A (en) | 1975-03-11 |
| DK132779C (da) | 1976-07-05 |
| DK132779B (da) | 1976-02-02 |
| DE2246507A1 (de) | 1973-03-29 |
| IT967767B (it) | 1974-03-11 |
| US3800225A (en) | 1974-03-26 |
| NO134928C (it) | 1977-01-05 |
| NO134928B (it) | 1976-09-27 |
| AU464144B2 (en) | 1975-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |