GB1363810A - Compaction and expansion of data - Google Patents

Compaction and expansion of data

Info

Publication number
GB1363810A
GB1363810A GB3367772A GB3367772A GB1363810A GB 1363810 A GB1363810 A GB 1363810A GB 3367772 A GB3367772 A GB 3367772A GB 3367772 A GB3367772 A GB 3367772A GB 1363810 A GB1363810 A GB 1363810A
Authority
GB
United Kingdom
Prior art keywords
data
compacted
bytes
byte
bits
Prior art date
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
GB3367772A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1363810A publication Critical patent/GB1363810A/en
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
    • H03M7/3066—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction by means of a mask or a bit-map

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Document Processing Apparatus (AREA)
  • Image Processing (AREA)
GB3367772A 1971-07-22 1972-07-19 Compaction and expansion of data Expired GB1363810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712136536 DE2136536C3 (de) 1971-07-22 1971-07-22 Anordnung zur Komprimierung binarer Daten

Publications (1)

Publication Number Publication Date
GB1363810A true GB1363810A (en) 1974-08-21

Family

ID=5814373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3367772A Expired GB1363810A (en) 1971-07-22 1972-07-19 Compaction and expansion of data

Country Status (5)

Country Link
JP (1) JPS5137130B1 (enExample)
DE (1) DE2136536C3 (enExample)
FR (1) FR2146242B1 (enExample)
GB (1) GB1363810A (enExample)
IT (1) IT956845B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267568A (en) 1975-12-03 1981-05-12 System Development Corporation Information storage and retrieval system
WO1988002145A1 (en) * 1986-09-18 1988-03-24 Hudson-Allen Limited Digital processing of sensor signals for reading binary storage media
EP2945290A3 (en) * 2014-05-16 2016-05-11 Robert Bosch Gmbh Run time compression method for a vehicle communication bus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE851737A (fr) * 1976-02-26 1977-06-16 Licentia Gmbh Procede et dispositif pour la memorisation d'un signal numerique bivalent
US4141005A (en) * 1976-11-11 1979-02-20 International Business Machines Corporation Data format converting apparatus for use in a digital data processor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267568A (en) 1975-12-03 1981-05-12 System Development Corporation Information storage and retrieval system
WO1988002145A1 (en) * 1986-09-18 1988-03-24 Hudson-Allen Limited Digital processing of sensor signals for reading binary storage media
US4914623A (en) * 1986-09-18 1990-04-03 Hudson-Allen Limited Digital processing of sensor signals for reading binary storage media
EP2945290A3 (en) * 2014-05-16 2016-05-11 Robert Bosch Gmbh Run time compression method for a vehicle communication bus

Also Published As

Publication number Publication date
FR2146242B1 (enExample) 1980-03-21
FR2146242A1 (enExample) 1973-03-02
JPS5137130B1 (enExample) 1976-10-14
IT956845B (it) 1973-10-10
DE2136536C3 (de) 1980-02-14
DE2136536A1 (de) 1973-02-01
DE2136536B2 (de) 1973-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee