FR1207896A - Perfectionnements aux dispositifs déterminant les valeurs instantanées d'une variable - Google Patents

Perfectionnements aux dispositifs déterminant les valeurs instantanées d'une variable

Info

Publication number
FR1207896A
FR1207896A FR1207896DA FR1207896A FR 1207896 A FR1207896 A FR 1207896A FR 1207896D A FR1207896D A FR 1207896DA FR 1207896 A FR1207896 A FR 1207896A
Authority
FR
France
Prior art keywords
variable
instantaneous values
devices determining
determining
devices
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
Other languages
English (en)
French (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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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
Priority claimed from GB2434/50A external-priority patent/GB802799A/en
Priority claimed from US208297A external-priority patent/US2882524A/en
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1207896A publication Critical patent/FR1207896A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/41—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
    • G05B19/4105—Analog interpolation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computing Systems (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Analogue/Digital Conversion (AREA)
FR1207896D 1950-01-31 1958-07-23 Perfectionnements aux dispositifs déterminant les valeurs instantanées d'une variable Expired FR1207896A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2434/50A GB802799A (en) 1950-01-31 1950-01-31 Improvements relating to apparatus for sensing the position of a movable element
US208297A US2882524A (en) 1950-01-31 1951-01-29 Apparatus for sensing the position of a movable element
US525258A US2916734A (en) 1950-01-31 1955-07-29 Apparatus for converting digital code signals to analogue signals

Publications (1)

Publication Number Publication Date
FR1207896A true FR1207896A (fr) 1960-02-19

Family

ID=32397623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1207896D Expired FR1207896A (fr) 1950-01-31 1958-07-23 Perfectionnements aux dispositifs déterminant les valeurs instantanées d'une variable

Country Status (3)

Country Link
US (1) US2916734A (en, 2012)
FR (1) FR1207896A (en, 2012)
NL (1) NL229392A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108266A (en) * 1955-07-22 1963-10-22 Epsco Inc Signal conversion apparatus
US3102258A (en) * 1959-10-12 1963-08-27 Gen Dynamics Corp Binary code to analog converter
US3018431A (en) * 1960-01-04 1962-01-23 Bell Telephone Labor Inc Alternating current voltage regulator
IT1010601B (it) * 1974-03-11 1977-01-20 Legnaioli L Macchina elettrica per variare il rapporto di trasformazione di una tensione con l ausilio di commuta tori
JPS5916443B2 (ja) * 1976-02-06 1984-04-16 ソニー株式会社 パワ−アンプ
CH599664A5 (en, 2012) * 1976-07-07 1978-05-31 Bbc Brown Boveri & Cie
DE2912776A1 (de) * 1979-03-30 1980-10-09 Reinhausen Maschf Scheubeck Spannungsregler mit sollwertsteller fuer stufentransformatoren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2023221A (en) * 1928-07-25 1935-12-03 Siemens Ag Transmitting measurements to a remote point
GB646051A (en) * 1948-02-20 1950-11-15 Standard Telephones Cables Ltd Improvements in or relating to electric pulse code modulation systems of communication
NL84068C (en, 2012) * 1949-02-11
US2738504A (en) * 1951-08-18 1956-03-13 Gen Precision Lab Inc Digital number converter

Also Published As

Publication number Publication date
US2916734A (en) 1959-12-08
NL229392A (en, 2012)

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