FR2469834B1 - - Google Patents
Info
- Publication number
- FR2469834B1 FR2469834B1 FR8023994A FR8023994A FR2469834B1 FR 2469834 B1 FR2469834 B1 FR 2469834B1 FR 8023994 A FR8023994 A FR 8023994A FR 8023994 A FR8023994 A FR 8023994A FR 2469834 B1 FR2469834 B1 FR 2469834B1
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
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- 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
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
-
- 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
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
- G01N29/0627—Cathode-ray tube displays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2945200A DE2945200C2 (de) | 1979-11-09 | 1979-11-09 | Verfahren und Schaltungsvorrichtung zur Erzeugung von Sägezahnimpulsen sowie Verwendung derartiger Schaltungsvorrichtungen in Ultraschall-Meßgeräten |
DE2945202A DE2945202C2 (de) | 1979-11-09 | 1979-11-09 | Tragbares Ultraschall-Prüfgerät für die zerstörungsfreie Werkstoffprüfung |
DE2945201A DE2945201C2 (de) | 1979-11-09 | 1979-11-09 | Schaltungsvorrichtung zur Erzeugung eines Signalerwartungsbereiches auf dem Bildschirm einer Kathodenstrahlröhre eines tragbaren Ultraschallprüfgerätes für die zerstörungsfreie Werkstoffprüfung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2469834A1 FR2469834A1 (fr) | 1981-05-22 |
FR2469834B1 true FR2469834B1 (fr) | 1984-12-28 |
Family
ID=27188282
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8023994A Granted FR2469834A1 (fr) | 1979-11-09 | 1980-11-10 | Circuit destine a produire une tension de dents de scie, notamment par tube cathodique, et application a un appareil d'examen par ultrasons |
FR8109114A Expired FR2477342B1 (fr) | 1979-11-09 | 1981-05-07 | Circuit destine a produire une tension de dents de scie,notamment pour tube cathodique,et application a un appareil d'examen par ultrasons |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8109114A Expired FR2477342B1 (fr) | 1979-11-09 | 1981-05-07 | Circuit destine a produire une tension de dents de scie,notamment pour tube cathodique,et application a un appareil d'examen par ultrasons |
Country Status (3)
Country | Link |
---|---|
DK (1) | DK474580A (fr) |
FR (2) | FR2469834A1 (fr) |
GB (3) | GB2090412B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3139570C2 (de) * | 1981-10-05 | 1983-09-29 | Krautkrämer GmbH, 5000 Köln | Verfahren und Schaltungsvorrichtung zur Bestimmung und Darstellung von Maximalwerten der von Reflektoren in einem Prüfstück reflektierten Ultraschallsignale |
US4503401A (en) * | 1982-08-04 | 1985-03-05 | Allied Corporation | Wideband phase locked loop tracking oscillator for radio altimeter |
GB2130450A (en) * | 1982-11-09 | 1984-05-31 | Del Norte Technology | Delay control circuit |
US4581585A (en) * | 1983-02-07 | 1986-04-08 | Tektronix, Inc. | Apparatus and method for automatically calibrating a sweep waveform generator |
DE10247257A1 (de) * | 2002-10-10 | 2004-04-22 | Agfa Ndt Gmbh | Ultraschall-Prüfgerät für die Prüfung eines Werkstücks |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3603981A (en) * | 1969-10-10 | 1971-09-07 | Atomic Energy Commission | Digitally controlled ramp generator |
DE2163971C3 (de) * | 1971-12-22 | 1979-07-12 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltung zur digitalen Frequenzeinstellung eines Oszillators |
DE2164175C3 (de) * | 1971-12-23 | 1978-03-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltung zur digitalen Frequenzeinstellung eines in einer Regelschleife liegenden Oszillators |
DE2620590C3 (de) * | 1976-05-10 | 1981-11-12 | Krautkrämer, GmbH, 5000 Köln | Verfahren zur Blendensetzung während der automatisierten Prüfstückdickenmessung und/oder zerstörungsfreien Werkstoffprüfung mit Ultraschall |
DE2641501C3 (de) * | 1976-09-15 | 1986-03-27 | Siemens AG, 1000 Berlin und 8000 München | Abstimmbarer Oszillator hoher Frequenzgenauigkeit und Konstanz |
US4064742A (en) * | 1977-01-31 | 1977-12-27 | Krautkramer-Branson, Incorporated | Ultrasonic inspection device |
JPS53101880A (en) * | 1977-02-18 | 1978-09-05 | Tokyo Shibaura Electric Co | Ultrasonic diagnosing device |
-
1980
- 1980-10-21 GB GB8202543A patent/GB2090412B/en not_active Expired
- 1980-10-21 GB GB8033957A patent/GB2062383B/en not_active Expired
- 1980-10-21 GB GB8202544A patent/GB2090413B/en not_active Expired
- 1980-11-07 DK DK474580A patent/DK474580A/da not_active Application Discontinuation
- 1980-11-10 FR FR8023994A patent/FR2469834A1/fr active Granted
-
1981
- 1981-05-07 FR FR8109114A patent/FR2477342B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2469834A1 (fr) | 1981-05-22 |
GB2090413B (en) | 1984-07-18 |
GB2062383B (en) | 1984-06-20 |
DK474580A (da) | 1981-05-10 |
FR2477342A1 (fr) | 1981-09-04 |
FR2477342B1 (fr) | 1986-06-06 |
GB2090412B (en) | 1984-07-18 |
GB2062383A (en) | 1981-05-20 |
GB2090413A (en) | 1982-07-07 |
GB2090412A (en) | 1982-07-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |