FR2154345A1 - - Google Patents

Info

Publication number
FR2154345A1
FR2154345A1 FR7135309A FR7135309A FR2154345A1 FR 2154345 A1 FR2154345 A1 FR 2154345A1 FR 7135309 A FR7135309 A FR 7135309A FR 7135309 A FR7135309 A FR 7135309A FR 2154345 A1 FR2154345 A1 FR 2154345A1
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.)
Granted
Application number
FR7135309A
Other languages
French (fr)
Other versions
FR2154345B1 (enExample
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.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine SA
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 Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Priority to FR7135309A priority Critical patent/FR2154345B1/fr
Publication of FR2154345A1 publication Critical patent/FR2154345A1/fr
Application granted granted Critical
Publication of FR2154345B1 publication Critical patent/FR2154345B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity
    • 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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR7135309A 1971-09-30 1971-09-30 Expired FR2154345B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7135309A FR2154345B1 (enExample) 1971-09-30 1971-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7135309A FR2154345B1 (enExample) 1971-09-30 1971-09-30

Publications (2)

Publication Number Publication Date
FR2154345A1 true FR2154345A1 (enExample) 1973-05-11
FR2154345B1 FR2154345B1 (enExample) 1974-08-19

Family

ID=9083748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135309A Expired FR2154345B1 (enExample) 1971-09-30 1971-09-30

Country Status (1)

Country Link
FR (1) FR2154345B1 (enExample)

Also Published As

Publication number Publication date
FR2154345B1 (enExample) 1974-08-19

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse