FR2405591A1 - Dispositifs de conversion analogique-numerique a ondes elastiques de surface - Google Patents

Dispositifs de conversion analogique-numerique a ondes elastiques de surface

Info

Publication number
FR2405591A1
FR2405591A1 FR7730634A FR7730634A FR2405591A1 FR 2405591 A1 FR2405591 A1 FR 2405591A1 FR 7730634 A FR7730634 A FR 7730634A FR 7730634 A FR7730634 A FR 7730634A FR 2405591 A1 FR2405591 A1 FR 2405591A1
Authority
FR
France
Prior art keywords
surface wave
elastic surface
digital conversion
elastic wave
conversion 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.)
Granted
Application number
FR7730634A
Other languages
English (en)
French (fr)
Other versions
FR2405591B1 (https=
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7730634A priority Critical patent/FR2405591A1/fr
Priority to CA000312449A priority patent/CA1145050A/en
Priority to US05/948,251 priority patent/US4225855A/en
Priority to GB7839362A priority patent/GB2005939B/en
Publication of FR2405591A1 publication Critical patent/FR2405591A1/fr
Application granted granted Critical
Publication of FR2405591B1 publication Critical patent/FR2405591B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR7730634A 1977-10-06 1977-10-06 Dispositifs de conversion analogique-numerique a ondes elastiques de surface Granted FR2405591A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7730634A FR2405591A1 (fr) 1977-10-06 1977-10-06 Dispositifs de conversion analogique-numerique a ondes elastiques de surface
CA000312449A CA1145050A (en) 1977-10-06 1978-10-02 Analog-digital conversion device with surface elastic waves
US05/948,251 US4225855A (en) 1977-10-06 1978-10-03 Analog-digital conversion device with surface elastic waves
GB7839362A GB2005939B (en) 1977-10-06 1978-10-05 Analogue-digital conversion device with surface elastic waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7730634A FR2405591A1 (fr) 1977-10-06 1977-10-06 Dispositifs de conversion analogique-numerique a ondes elastiques de surface

Publications (2)

Publication Number Publication Date
FR2405591A1 true FR2405591A1 (fr) 1979-05-04
FR2405591B1 FR2405591B1 (https=) 1980-04-04

Family

ID=9196385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730634A Granted FR2405591A1 (fr) 1977-10-06 1977-10-06 Dispositifs de conversion analogique-numerique a ondes elastiques de surface

Country Status (4)

Country Link
US (1) US4225855A (https=)
CA (1) CA1145050A (https=)
FR (1) FR2405591A1 (https=)
GB (1) GB2005939B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2014415645C1 (en) * 2014-12-29 2018-06-21 Halliburton Energy Services, Inc. Mud pulse telemetry using Gray coding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762877A1 (de) * 1968-09-14 1970-11-12 Standard Elek K Lorenz Ag Analog-Digital-Wandler mit beliebiger Kennlinie fuer n Bit,insbesondere Coder fuer schnelle PCM
US4079342A (en) * 1976-09-15 1978-03-14 Sperry Rand Corporation Fanned multistrip coupler filters

Also Published As

Publication number Publication date
GB2005939A (en) 1979-04-25
US4225855A (en) 1980-09-30
FR2405591B1 (https=) 1980-04-04
CA1145050A (en) 1983-04-19
GB2005939B (en) 1982-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse