FR2271721B1 - - Google Patents

Info

Publication number
FR2271721B1
FR2271721B1 FR7514800A FR7514800A FR2271721B1 FR 2271721 B1 FR2271721 B1 FR 2271721B1 FR 7514800 A FR7514800 A FR 7514800A FR 7514800 A FR7514800 A FR 7514800A FR 2271721 B1 FR2271721 B1 FR 2271721B1
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
Application number
FR7514800A
Other versions
FR2271721A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Corp
Original Assignee
Sperry 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 Corp filed Critical Sperry Corp
Publication of FR2271721A1 publication Critical patent/FR2271721A1/fr
Application granted granted Critical
Publication of FR2271721B1 publication Critical patent/FR2271721B1/fr
Expired legal-status Critical Current

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
FR7514800A 1974-05-13 1975-05-13 Expired FR2271721B1 (fr)

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 (2)

Publication Number Publication Date
FR2271721A1 FR2271721A1 (fr) 1975-12-12
FR2271721B1 true FR2271721B1 (fr) 1982-01-29

Family

ID=23863131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514800A Expired FR2271721B1 (fr) 1974-05-13 1975-05-13

Country Status (9)

Country Link
US (2) US4038652A (fr)
JP (1) JPS5115915A (fr)
CH (1) CH607473A5 (fr)
DE (1) DE2520990C3 (fr)
FR (1) FR2271721B1 (fr)
GB (1) GB1513401A (fr)
IT (1) IT1031310B (fr)
NL (1) NL7505617A (fr)
SE (1) SE7505485L (fr)

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 (fr) * 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
SE7505485L (sv) 1975-11-14
US4038652A (en) 1977-07-26
CH607473A5 (fr) 1978-12-29
DE2520990A1 (de) 1976-04-22
US4152582A (en) 1979-05-01
IT1031310B (it) 1979-04-30
FR2271721A1 (fr) 1975-12-12
NL7505617A (nl) 1975-11-17
DE2520990B2 (de) 1981-02-12
GB1513401A (en) 1978-06-07
JPS5115915A (fr) 1976-02-07
DE2520990C3 (de) 1981-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse