NL7505617A - Lijnstation met compacter en expander voor gegevens voor numerieke communicatie. - Google Patents
Lijnstation met compacter en expander voor gegevens voor numerieke communicatie.Info
- Publication number
- NL7505617A NL7505617A NL7505617A NL7505617A NL7505617A NL 7505617 A NL7505617 A NL 7505617A NL 7505617 A NL7505617 A NL 7505617A NL 7505617 A NL7505617 A NL 7505617A NL 7505617 A NL7505617 A NL 7505617A
- Authority
- NL
- Netherlands
- Prior art keywords
- compacter
- expander
- data
- line station
- numeric
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Communication Control (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/469,265 US4038652A (en) | 1974-05-13 | 1974-05-13 | Digital communications line terminal compacter/expander |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7505617A true NL7505617A (nl) | 1975-11-17 |
Family
ID=23863131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7505617A NL7505617A (nl) | 1974-05-13 | 1975-05-13 | Lijnstation met compacter en expander voor gegevens voor numerieke communicatie. |
Country Status (9)
Country | Link |
---|---|
US (2) | US4038652A (nl) |
JP (1) | JPS5115915A (nl) |
CH (1) | CH607473A5 (nl) |
DE (1) | DE2520990C3 (nl) |
FR (1) | FR2271721B1 (nl) |
GB (1) | GB1513401A (nl) |
IT (1) | IT1031310B (nl) |
NL (1) | NL7505617A (nl) |
SE (1) | SE7505485L (nl) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493106A (en) * | 1981-12-24 | 1985-01-08 | International Computers Limited | Image digitizing systems |
US4641263A (en) * | 1982-05-17 | 1987-02-03 | Digital Associates Corporation | Controller system or emulating local parallel minicomputer/printer interface and transferring serial data to remote line printer |
US4626829A (en) * | 1985-08-19 | 1986-12-02 | Intelligent Storage Inc. | Data compression using run length encoding and statistical encoding |
US5850985A (en) * | 1995-01-17 | 1998-12-22 | Sony Corporation | Attachment structure onto tape reel of tape body, attachment method thereof, deforming apparatus for the tape body, and tape cassette |
US7418254B2 (en) * | 2001-02-20 | 2008-08-26 | Microsoft Corporation | Mobile communication device dynamic service application and dynamic service application scripting |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3308437A (en) * | 1958-01-27 | 1967-03-07 | Honeywell Inc | Digital data processing conversion and checking apparatus |
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 |
US3008127A (en) * | 1959-06-03 | 1961-11-07 | Honeywell Regulator Co | Information handling apparatus |
US3274378A (en) * | 1961-12-28 | 1966-09-20 | Ibm | Data transfer and conversion circuit |
US3271517A (en) * | 1963-01-02 | 1966-09-06 | Rosa Andrew C De | Data transmission |
NL302815A (nl) * | 1963-02-06 | |||
US3594560A (en) * | 1969-01-03 | 1971-07-20 | Bell Telephone Labor Inc | Digital expandor circuit |
US3675212A (en) * | 1970-08-10 | 1972-07-04 | Ibm | Data compaction using variable-length coding |
US3701108A (en) * | 1970-10-30 | 1972-10-24 | Ibm | Code processor for variable-length dependent codes |
-
1974
- 1974-05-13 US US05/469,265 patent/US4038652A/en not_active Expired - Lifetime
-
1975
- 1975-01-30 IT IT19778/75A patent/IT1031310B/it active
- 1975-05-12 GB GB19788/75A patent/GB1513401A/en not_active Expired
- 1975-05-12 DE DE2520990A patent/DE2520990C3/de not_active Expired
- 1975-05-13 SE SE7505485A patent/SE7505485L/xx unknown
- 1975-05-13 FR FR7514800A patent/FR2271721B1/fr not_active Expired
- 1975-05-13 CH CH611075A patent/CH607473A5/xx not_active IP Right Cessation
- 1975-05-13 JP JP50055535A patent/JPS5115915A/ja active Pending
- 1975-05-13 NL NL7505617A patent/NL7505617A/nl not_active Application Discontinuation
-
1977
- 1977-07-11 US US05/814,802 patent/US4152582A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2271721B1 (nl) | 1982-01-29 |
US4152582A (en) | 1979-05-01 |
SE7505485L (sv) | 1975-11-14 |
IT1031310B (it) | 1979-04-30 |
FR2271721A1 (nl) | 1975-12-12 |
DE2520990A1 (de) | 1976-04-22 |
DE2520990B2 (de) | 1981-02-12 |
DE2520990C3 (de) | 1981-12-10 |
US4038652A (en) | 1977-07-26 |
CH607473A5 (nl) | 1978-12-29 |
GB1513401A (en) | 1978-06-07 |
JPS5115915A (nl) | 1976-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: SPERRY CORPORATION |
|
BA | A request for search or an international-type search has been filed | ||
BT | A notification was added to the application dossier and made available to the public | ||
BB | A search report has been drawn up | ||
BV | The patent application has lapsed |