FR2047280A5 - - Google Patents
Info
- Publication number
- FR2047280A5 FR2047280A5 FR7016258A FR7016258A FR2047280A5 FR 2047280 A5 FR2047280 A5 FR 2047280A5 FR 7016258 A FR7016258 A FR 7016258A FR 7016258 A FR7016258 A FR 7016258A FR 2047280 A5 FR2047280 A5 FR 2047280A5
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Glass Compositions (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82169369A | 1969-05-05 | 1969-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2047280A5 true FR2047280A5 (US07282526-20071016-C00003.png) | 1971-03-12 |
Family
ID=25234064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7016258A Expired FR2047280A5 (US07282526-20071016-C00003.png) | 1969-05-05 | 1970-05-04 |
Country Status (7)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7018029A (US07282526-20071016-C00003.png) * | 1969-12-22 | 1971-06-24 | ||
| JPS5341526U (US07282526-20071016-C00003.png) * | 1976-09-14 | 1978-04-10 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL135270C (US07282526-20071016-C00003.png) * | 1961-06-19 | |||
| FR1383962A (fr) * | 1962-11-30 | 1965-01-04 | Western Electric Co | Ligne ultrasonique à retard |
| NL142547B (nl) * | 1965-04-15 | 1974-06-17 | Philips Nv | Akoestische vertragingslijn. |
-
1969
- 1969-05-05 US US821693A patent/US3651431A/en not_active Expired - Lifetime
-
1970
- 1970-04-29 NL NL7006344A patent/NL7006344A/xx unknown
- 1970-04-29 GB GB2055770A patent/GB1304712A/en not_active Expired
- 1970-04-30 BE BE749797D patent/BE749797A/xx unknown
- 1970-05-04 FR FR7016258A patent/FR2047280A5/fr not_active Expired
- 1970-05-04 JP JP45037569A patent/JPS4946128B1/ja active Pending
- 1970-05-05 DE DE19702022046 patent/DE2022046B2/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2022046A1 (de) | 1971-04-29 |
| NL7006344A (US07282526-20071016-C00003.png) | 1970-11-09 |
| GB1304712A (US07282526-20071016-C00003.png) | 1973-01-31 |
| BE749797A (fr) | 1970-10-01 |
| JPS4946128B1 (US07282526-20071016-C00003.png) | 1974-12-07 |
| DE2022046B2 (de) | 1971-10-21 |
| US3651431A (en) | 1972-03-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |