GB1375869A - - Google Patents

Info

Publication number
GB1375869A
GB1375869A GB5319871A GB5319871A GB1375869A GB 1375869 A GB1375869 A GB 1375869A GB 5319871 A GB5319871 A GB 5319871A GB 5319871 A GB5319871 A GB 5319871A GB 1375869 A GB1375869 A GB 1375869A
Authority
GB
United Kingdom
Prior art keywords
peak
signal
integrator
gas chromatograph
adw
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
GB5319871A
Other languages
English (en)
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 filed Critical
Publication of GB1375869A publication Critical patent/GB1375869A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/86—Signal analysis
    • G01N30/8603—Signal analysis with integration or differentiation
    • G01N30/8606—Integration
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/25—Arrangements for performing computing operations, e.g. operational amplifiers for discontinuous functions, e.g. backlash, dead zone, limiting absolute value or peak value
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/08—Feature extraction
    • G06F2218/10—Feature extraction by analysing the shape of a waveform, e.g. extracting parameters relating to peaks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Chemical & Material Sciences (AREA)
  • Software Systems (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Power Engineering (AREA)
  • Pure & Applied Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Analogue/Digital Conversion (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB5319871A 1970-11-17 1971-11-16 Expired GB1375869A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2056402 1970-11-17

Publications (1)

Publication Number Publication Date
GB1375869A true GB1375869A (enrdf_load_stackoverflow) 1974-11-27

Family

ID=5788293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5319871A Expired GB1375869A (enrdf_load_stackoverflow) 1970-11-17 1971-11-16

Country Status (4)

Country Link
DE (1) DE2056402C2 (enrdf_load_stackoverflow)
GB (1) GB1375869A (enrdf_load_stackoverflow)
IT (1) IT940579B (enrdf_load_stackoverflow)
NL (1) NL7114787A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31158E (en) 1976-06-23 1983-02-22 National Research Development Corporation Apparatus for indicating uterine activity in labor
EP0785548A3 (enrdf_load_stackoverflow) * 1996-01-16 1997-08-20 Ibm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31158E (en) 1976-06-23 1983-02-22 National Research Development Corporation Apparatus for indicating uterine activity in labor
EP0785548A3 (enrdf_load_stackoverflow) * 1996-01-16 1997-08-20 Ibm
US5757751A (en) * 1996-01-16 1998-05-26 International Business Machines Corporation Baseline correction circuit for pulse width modulated data readback systems
US6181177B1 (en) 1996-01-16 2001-01-30 International Business Machines Corporation Baseline correction circuit for PWM data readback systems

Also Published As

Publication number Publication date
IT940579B (it) 1973-02-20
NL7114787A (enrdf_load_stackoverflow) 1972-05-19
DE2056402C2 (de) 1975-03-13
DE2056402B1 (de) 1972-04-27

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed