FR2176557A1 - - Google Patents

Info

Publication number
FR2176557A1
FR2176557A1 FR7210225A FR7210225A FR2176557A1 FR 2176557 A1 FR2176557 A1 FR 2176557A1 FR 7210225 A FR7210225 A FR 7210225A FR 7210225 A FR7210225 A FR 7210225A FR 2176557 A1 FR2176557 A1 FR 2176557A1
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
FR7210225A
Other languages
French (fr)
Other versions
FR2176557B1 (id
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.)
Radiotechnique Compelec RTC SA
Original Assignee
Radiotechnique Compelec RTC 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 Radiotechnique Compelec RTC SA filed Critical Radiotechnique Compelec RTC SA
Priority to FR7210225A priority Critical patent/FR2176557B1/fr
Priority to NL7303772A priority patent/NL7303772A/xx
Priority to IT48947/73A priority patent/IT979945B/it
Priority to JP48033412A priority patent/JPS498263A/ja
Publication of FR2176557A1 publication Critical patent/FR2176557A1/fr
Application granted granted Critical
Publication of FR2176557B1 publication Critical patent/FR2176557B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/407—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of passive display elements, e.g. liquid crystal or Kerr-effect display elements
    • 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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/062—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals using multiplexing techniques
    • 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
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR7210225A 1972-03-23 1972-03-23 Expired FR2176557B1 (id)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7210225A FR2176557B1 (id) 1972-03-23 1972-03-23
NL7303772A NL7303772A (id) 1972-03-23 1973-03-19
IT48947/73A IT979945B (it) 1972-03-23 1973-03-21 Dispositivo semianalogico di presentazione di dati
JP48033412A JPS498263A (id) 1972-03-23 1973-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7210225A FR2176557B1 (id) 1972-03-23 1972-03-23

Publications (2)

Publication Number Publication Date
FR2176557A1 true FR2176557A1 (id) 1973-11-02
FR2176557B1 FR2176557B1 (id) 1977-08-19

Family

ID=9095699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7210225A Expired FR2176557B1 (id) 1972-03-23 1972-03-23

Country Status (1)

Country Link
FR (1) FR2176557B1 (id)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391514A1 (fr) * 1977-05-18 1978-12-15 Equip Navig Aerien Ste Fse Dispositif pour l'affichage de donnees representatives de grandeurs

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2016838A1 (id) * 1968-07-31 1970-05-15 Timex Corp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2016838A1 (id) * 1968-07-31 1970-05-15 Timex Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391514A1 (fr) * 1977-05-18 1978-12-15 Equip Navig Aerien Ste Fse Dispositif pour l'affichage de donnees representatives de grandeurs

Also Published As

Publication number Publication date
FR2176557B1 (id) 1977-08-19

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Legal Events

Date Code Title Description
ST Notification of lapse