SE404550B - Sett och anordning for att komprimera data som med konstanta tidsintervall samplas fran ett kurvforlopp under perioder med relativt langsam amplitudforendring av kurvforloppet - Google Patents

Sett och anordning for att komprimera data som med konstanta tidsintervall samplas fran ett kurvforlopp under perioder med relativt langsam amplitudforendring av kurvforloppet

Info

Publication number
SE404550B
SE404550B SE7407048A SE7407048A SE404550B SE 404550 B SE404550 B SE 404550B SE 7407048 A SE7407048 A SE 7407048A SE 7407048 A SE7407048 A SE 7407048A SE 404550 B SE404550 B SE 404550B
Authority
SE
Sweden
Prior art keywords
curve
amplit
sampled
change
time intervals
Prior art date
Application number
SE7407048A
Other languages
English (en)
Swedish (sv)
Other versions
SE7407048L (de
Inventor
P Abel
P Duverne
J-B Elziere
De Reffye J Verchere
Original Assignee
Electricite De France
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 Electricite De France filed Critical Electricite De France
Publication of SE7407048L publication Critical patent/SE7407048L/
Publication of SE404550B publication Critical patent/SE404550B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
    • G01R13/06—Modifications for recording transient disturbances, e.g. by starting or accelerating a recording medium
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/12—Measuring rate of change

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Memory System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Analogue/Digital Conversion (AREA)
  • Dc Digital Transmission (AREA)
  • Recording Measured Values (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE7407048A 1973-05-29 1974-05-28 Sett och anordning for att komprimera data som med konstanta tidsintervall samplas fran ett kurvforlopp under perioder med relativt langsam amplitudforendring av kurvforloppet SE404550B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7319565A FR2231972B1 (de) 1973-05-29 1973-05-29

Publications (2)

Publication Number Publication Date
SE7407048L SE7407048L (de) 1974-12-02
SE404550B true SE404550B (sv) 1978-10-09

Family

ID=9120208

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407048A SE404550B (sv) 1973-05-29 1974-05-28 Sett och anordning for att komprimera data som med konstanta tidsintervall samplas fran ett kurvforlopp under perioder med relativt langsam amplitudforendring av kurvforloppet

Country Status (10)

Country Link
US (1) US3943349A (de)
JP (1) JPS5444420B2 (de)
CA (1) CA1015854A (de)
CH (1) CH581884A5 (de)
DE (1) DE2423351B2 (de)
ES (1) ES426754A1 (de)
FR (1) FR2231972B1 (de)
GB (1) GB1468218A (de)
IT (1) IT1013246B (de)
SE (1) SE404550B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339840A (en) * 1976-09-24 1978-04-12 Takeda Riken Ind Co Ltd Data recorder
DE2706080C2 (de) * 1977-02-12 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur adaptiven Quantisierung von Transformationskoeffizienten eines Bildes und Anordnung zum Durchführen des Verfahrens
CA1031396A (en) * 1977-02-16 1978-05-16 A. J. Brisson And Son Manufacturing Limited Walking beam attachment for rear axles and the like
JPS5915530B2 (ja) * 1978-02-21 1984-04-10 大日本スクリ−ン製造株式会社 アナログ信号のサンプリング方法
ZA782493B (en) * 1978-05-01 1979-12-27 Anglo Amer Corp South Africa Rate of change detection
GB2069264A (en) * 1980-07-02 1981-08-19 Hewlett Packard Co Data compression apparatus
JPS5819229A (ja) * 1981-07-24 1983-02-04 株式会社東芝 携帯用長時間心電図記録装置
US4751673A (en) * 1982-03-22 1988-06-14 The Babcock & Wilcox Company System for direct comparison and selective transmission of a plurality of discrete incoming data
EP0130428B1 (de) * 1983-06-24 1987-05-27 Siemens Aktiengesellschaft Störungserkennungs- und -aufzeichnungssystem
JPS6029834A (ja) * 1983-07-06 1985-02-15 Fuji Electric Co Ltd デ−タ処理方法
US4879558A (en) * 1986-12-12 1989-11-07 Sangamo Weston, Inc. Data compression apparatus and method for data recorder with waveform envelope display
US6356961B1 (en) * 1994-06-03 2002-03-12 Motorola, Inc. Method and apparatus for minimizing an amount of data communicated between devices and necessary to modify stored electronic documents
US7197189B2 (en) * 2003-05-15 2007-03-27 Hewlett-Packard Development Company, L.P. System and method having removable storage medium with data compression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162399B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, deren statistische Verteilung sehr stark schwankt
US3225333A (en) * 1961-12-28 1965-12-21 Ibm Differential quantitized storage and compression
US3490690A (en) * 1964-10-26 1970-01-20 Ibm Data reduction system
US3641506A (en) * 1969-11-14 1972-02-08 Gen Dynamics Corp Information handling system especially for magnetic recording and reproducing of digital data
US3726993A (en) * 1971-12-10 1973-04-10 Xerox Corp Data compression methods and apparatus

Also Published As

Publication number Publication date
FR2231972A1 (de) 1974-12-27
IT1013246B (it) 1977-03-30
DE2423351A1 (de) 1974-12-12
DE2423351B2 (de) 1976-09-02
ES426754A1 (es) 1977-01-01
US3943349A (en) 1976-03-09
CA1015854A (en) 1977-08-16
CH581884A5 (de) 1976-11-15
FR2231972B1 (de) 1977-04-29
JPS5022547A (de) 1975-03-11
SE7407048L (de) 1974-12-02
JPS5444420B2 (de) 1979-12-26
GB1468218A (en) 1977-03-23

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