FR938404A - Dispositif d'essai des métaux - Google Patents
Dispositif d'essai des métauxInfo
- Publication number
- FR938404A FR938404A FR938404DA FR938404A FR 938404 A FR938404 A FR 938404A FR 938404D A FR938404D A FR 938404DA FR 938404 A FR938404 A FR 938404A
- Authority
- FR
- France
- Prior art keywords
- testing device
- metal testing
- metal
- testing
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/045—Circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2623—Measuring-systems or electronic circuits
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US938404XA | 1943-11-09 | 1943-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938404A true FR938404A (fr) | 1948-09-15 |
Family
ID=22241101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938404D Expired FR938404A (fr) | 1943-11-09 | 1946-04-01 | Dispositif d'essai des métaux |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE470597A (el) |
FR (1) | FR938404A (el) |
-
0
- BE BE470597D patent/BE470597A/xx unknown
-
1946
- 1946-04-01 FR FR938404D patent/FR938404A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE470597A (el) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR938303A (fr) | Dispositif d'assemblage perfectionné | |
FR901628A (fr) | Dispositif d'assemblage | |
FR899812A (fr) | Nouveau dispositif d'assemblage des profilés métalliques | |
FR910115A (fr) | Dispositif de régulation rapide | |
CH253136A (fr) | Dispositif amplificateur d'oscillations électriques. | |
FR893103A (fr) | Dispositif propulseur | |
FR892608A (fr) | Dispositif de bouchage | |
FR984964A (fr) | Dispositif piézo-électrique réglable | |
FR938404A (fr) | Dispositif d'essai des métaux | |
FR907069A (fr) | Dispositif d'essai des métaux en vibration | |
FR901657A (fr) | Dispositif de charnière | |
FR980731A (fr) | Dispositif doseur | |
FR891968A (fr) | Dispositif d'indesserrabilité des boulons | |
FR899756A (fr) | Dispositif de couplage pour claviers d'orgues | |
FR941201A (fr) | Dispositif de protection d'oscillographe cathodique | |
FR901255A (fr) | Dispositif de réglage d'écoulement | |
FR896704A (fr) | Dispositif de perçage | |
FR928259A (fr) | Dispositif de signalisation radiotélégraphique | |
FR900564A (fr) | Dispositif de démultiplication progressive | |
FR980304A (fr) | Dispositif d'embrayage | |
FR904379A (fr) | Dispositif d'épreuve des câbles électriques | |
FR938712A (fr) | Dispositif indicateur des angles | |
FR922692A (fr) | Dispositif thermo-électrique | |
FR907510A (fr) | Dispositif de déchargement d'adsorbeurs | |
FR895719A (fr) | Casque de scaphandre et dispositif pour sa fixation |