FR984964A - Dispositif piézo-électrique réglable - Google Patents
Dispositif piézo-électrique réglableInfo
- Publication number
- FR984964A FR984964A FR984964DA FR984964A FR 984964 A FR984964 A FR 984964A FR 984964D A FR984964D A FR 984964DA FR 984964 A FR984964 A FR 984964A
- Authority
- FR
- France
- Prior art keywords
- piezoelectric device
- adjustable piezoelectric
- adjustable
- piezoelectric
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/20—Mica; Vermiculite
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR987997T | 1943-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR984964A true FR984964A (fr) | 1951-07-12 |
Family
ID=9539269
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987997D Expired FR987997A (fr) | 1943-08-07 | 1943-08-07 | Monture à cristal piézo-électrique |
FR984964D Expired FR984964A (fr) | 1943-08-07 | 1943-10-20 | Dispositif piézo-électrique réglable |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987997D Expired FR987997A (fr) | 1943-08-07 | 1943-08-07 | Monture à cristal piézo-électrique |
Country Status (2)
Country | Link |
---|---|
CH (2) | CH244540A (fr) |
FR (2) | FR987997A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE482433A (fr) * | 1947-08-19 | 1948-05-31 | Samica Soc Des Applic Du Mica | |
DE975416C (de) * | 1950-06-21 | 1961-11-23 | Samica Soc Des Applic Du Mica | Verfahren zur Behandlung von Glimmer |
DE1043917B (de) * | 1951-08-15 | 1958-11-13 | Micanite And Insulators Compan | Verfahren zur Herstellung von Glimmerflocken |
US2716614A (en) * | 1951-09-28 | 1955-08-30 | Du Pont | Viscose composition and regenerated cellulose bands |
-
1943
- 1943-08-07 FR FR987997D patent/FR987997A/fr not_active Expired
- 1943-10-20 FR FR984964D patent/FR984964A/fr not_active Expired
-
1944
- 1944-05-13 CH CH244540D patent/CH244540A/fr unknown
- 1944-08-07 CH CH245819D patent/CH245819A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CH245819A (fr) | 1946-11-30 |
FR987997A (fr) | 1951-08-21 |
CH244540A (fr) | 1946-09-30 |
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