JPS4878845A - - Google Patents
Info
- Publication number
- JPS4878845A JPS4878845A JP47118618A JP11861872A JPS4878845A JP S4878845 A JPS4878845 A JP S4878845A JP 47118618 A JP47118618 A JP 47118618A JP 11861872 A JP11861872 A JP 11861872A JP S4878845 A JPS4878845 A JP S4878845A
- 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
- 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
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21360471A | 1971-12-29 | 1971-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4878845A true JPS4878845A (https=) | 1973-10-23 |
| JPS5321626B2 JPS5321626B2 (https=) | 1978-07-04 |
Family
ID=22795746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11861872A Expired JPS5321626B2 (https=) | 1971-12-29 | 1972-11-28 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5321626B2 (https=) |
| CA (1) | CA1007375A (https=) |
| DE (1) | DE2259702C2 (https=) |
| FR (1) | FR2165975A1 (https=) |
| GB (1) | GB1359427A (https=) |
| IT (1) | IT971580B (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738699U (https=) * | 1980-08-15 | 1982-03-02 | ||
| DE3382806T2 (de) * | 1982-06-11 | 1996-11-14 | Mitsubishi Electric Corp | Vektorquantisierer |
| GB8827556D0 (en) * | 1988-11-25 | 1988-12-29 | Crosfield Electronics Ltd | Data compression |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051940A (en) * | 1958-09-04 | 1962-08-28 | Bell Telephone Labor Inc | Variable length code group circuits |
| US3016527A (en) * | 1958-09-04 | 1962-01-09 | Bell Telephone Labor Inc | Apparatus for utilizing variable length alphabetized codes |
-
1972
- 1972-10-06 GB GB4615972A patent/GB1359427A/en not_active Expired
- 1972-11-28 JP JP11861872A patent/JPS5321626B2/ja not_active Expired
- 1972-12-06 DE DE19722259702 patent/DE2259702C2/de not_active Expired
- 1972-12-06 IT IT3253172A patent/IT971580B/it active
- 1972-12-12 FR FR7245545A patent/FR2165975A1/fr not_active Withdrawn
- 1972-12-27 CA CA159,885A patent/CA1007375A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1007375A (en) | 1977-03-22 |
| FR2165975A1 (https=) | 1973-08-10 |
| JPS5321626B2 (https=) | 1978-07-04 |
| GB1359427A (en) | 1974-07-10 |
| DE2259702A1 (de) | 1973-07-12 |
| IT971580B (it) | 1974-05-10 |
| DE2259702C2 (de) | 1981-09-17 |