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
Application number
NL7505617A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sperry Rand Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of NL7505617A publication Critical patent/NL7505617A/xx

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)
NL7505617A 1974-05-13 1975-05-13 Lijnstation met compacter en expander voor gegevens voor numerieke communicatie. NL7505617A (nl)

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 (xx)
JP (1) JPS5115915A (xx)
CH (1) CH607473A5 (xx)
DE (1) DE2520990C3 (xx)
FR (1) FR2271721B1 (xx)
GB (1) GB1513401A (xx)
IT (1) IT1031310B (xx)
NL (1) NL7505617A (xx)
SE (1) SE7505485L (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (xx) * 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

Also Published As

Publication number Publication date
FR2271721B1 (xx) 1982-01-29
US4152582A (en) 1979-05-01
SE7505485L (sv) 1975-11-14
IT1031310B (it) 1979-04-30
FR2271721A1 (xx) 1975-12-12
DE2520990A1 (de) 1976-04-22
DE2520990B2 (de) 1981-02-12
DE2520990C3 (de) 1981-12-10
US4038652A (en) 1977-07-26
CH607473A5 (xx) 1978-12-29
GB1513401A (en) 1978-06-07
JPS5115915A (xx) 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