FR2107919B1 - - Google Patents
Info
- Publication number
- FR2107919B1 FR2107919B1 FR7132907A FR7132907A FR2107919B1 FR 2107919 B1 FR2107919 B1 FR 2107919B1 FR 7132907 A FR7132907 A FR 7132907A FR 7132907 A FR7132907 A FR 7132907A FR 2107919 B1 FR2107919 B1 FR 2107919B1
- Authority
- FR
- France
- 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
- 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
- H03M7/50—Conversion to or from non-linear codes, e.g. companding
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- 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 |
|---|---|---|---|
| IT3013570 | 1970-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2107919A1 FR2107919A1 (enExample) | 1972-05-12 |
| FR2107919B1 true FR2107919B1 (enExample) | 1974-10-31 |
Family
ID=11229185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7132907A Expired FR2107919B1 (enExample) | 1970-09-24 | 1971-09-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3755808A (enExample) |
| DE (1) | DE2131634A1 (enExample) |
| FR (1) | FR2107919B1 (enExample) |
| GB (1) | GB1366536A (enExample) |
| SE (1) | SE362762B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863248A (en) * | 1973-01-02 | 1975-01-28 | Univ Sherbrooke | Digital compressor-expander |
| US4040049A (en) * | 1975-10-09 | 1977-08-02 | Bell Telephone Laboratories, Incorporated | Tandem block digital processor for use with nonuniformly encoded digital data |
| US4076966A (en) * | 1976-08-02 | 1978-02-28 | Societa Italiana Telecomunicazioni Siemens S.P.A. | Method of and system for handling conference calls in digital telephone exchange |
| DE3104528C2 (de) * | 1981-02-09 | 1984-10-11 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Umwandlung linear codierter PCM-Worte in nichtlinear codierte PCM-Worte und umgekehrt |
| JPS5939134A (ja) * | 1982-08-30 | 1984-03-03 | Hitachi Ltd | 折線伸張回路 |
| US6396955B1 (en) * | 1998-06-25 | 2002-05-28 | Asahi Kogaku Kogyo Kabushiki Kaisha | Image compression and expansion device |
| US20220354761A1 (en) | 2021-04-30 | 2022-11-10 | L'oreal | Compositions and methods for treating keratin fibers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3594560A (en) * | 1969-01-03 | 1971-07-20 | Bell Telephone Labor Inc | Digital expandor circuit |
-
1971
- 1971-06-25 DE DE19712131634 patent/DE2131634A1/de not_active Ceased
- 1971-09-02 US US00177307A patent/US3755808A/en not_active Expired - Lifetime
- 1971-09-13 FR FR7132907A patent/FR2107919B1/fr not_active Expired
- 1971-09-17 GB GB4354171A patent/GB1366536A/en not_active Expired
- 1971-09-24 SE SE12104/71A patent/SE362762B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2107919A1 (enExample) | 1972-05-12 |
| GB1366536A (en) | 1974-09-11 |
| US3755808A (en) | 1973-08-28 |
| SE362762B (enExample) | 1973-12-17 |
| DE2131634A1 (de) | 1972-03-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |