FR2200687A1 - - Google Patents

Info

Publication number
FR2200687A1
FR2200687A1 FR7331451A FR7331451A FR2200687A1 FR 2200687 A1 FR2200687 A1 FR 2200687A1 FR 7331451 A FR7331451 A FR 7331451A FR 7331451 A FR7331451 A FR 7331451A FR 2200687 A1 FR2200687 A1 FR 2200687A1
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
FR7331451A
Other languages
French (fr)
Other versions
FR2200687B1 (en
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.)
Hoesch Werke AG
Original Assignee
Hoesch Werke AG
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 Hoesch Werke AG filed Critical Hoesch Werke AG
Publication of FR2200687A1 publication Critical patent/FR2200687A1/fr
Application granted granted Critical
Publication of FR2200687B1 publication Critical patent/FR2200687B1/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
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR7331451A 1972-09-16 1973-08-30 Expired FR2200687B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722245621 DE2245621A1 (en) 1972-09-16 1972-09-16 AMPLITUDE-ADJUSTABLE PULSE TRANSMITTER FOR ULTRASOUND TESTING

Publications (2)

Publication Number Publication Date
FR2200687A1 true FR2200687A1 (en) 1974-04-19
FR2200687B1 FR2200687B1 (en) 1980-02-08

Family

ID=5856590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331451A Expired FR2200687B1 (en) 1972-09-16 1973-08-30

Country Status (2)

Country Link
DE (1) DE2245621A1 (en)
FR (1) FR2200687B1 (en)

Also Published As

Publication number Publication date
FR2200687B1 (en) 1980-02-08
DE2245621A1 (en) 1974-03-28

Similar Documents

Publication Publication Date Title
FR2200687B1 (en)
CS159442B1 (en)
CS150890B1 (en)
CS152039B1 (en)
CS154093B1 (en)
CS156329B1 (en)
CS156012B1 (en)
JPS48102493U (en)
CH576845A5 (en)
CH578503A5 (en)
BG18499A1 (en)
BG22072A3 (en)
CH1668773A4 (en)
CH315973A4 (en)
CH322372A4 (en)
CH563097A5 (en)
CH565978A5 (en)
CH566825A (en)
CH570064A5 (en)
CH575470A5 (en)
CH575498B5 (en)
CH575741A5 (en)
CH576808A5 (en)
BG18059A1 (en)
CH576961A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse