BE467153A - - Google Patents
Info
- Publication number
- BE467153A BE467153A BE467153DA BE467153A BE 467153 A BE467153 A BE 467153A BE 467153D A BE467153D A BE 467153DA BE 467153 A BE467153 A BE 467153A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/28—Lighters characterised by electrical ignition of the fuel
- F23Q2/285—Lighters characterised by electrical ignition of the fuel with spark ignition
- F23Q2/287—Lighters characterised by electrical ignition of the fuel with spark ignition piezoelectric
-
- 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)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US548109A US2399919A (en) | 1944-08-04 | 1944-08-04 | Frequency determining unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE467153A true BE467153A (US07534539-20090519-C00280.png) |
Family
ID=24187443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE467153D BE467153A (US07534539-20090519-C00280.png) | 1944-08-04 |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2429414A (en) * | 1945-08-21 | 1947-10-21 | Walter E Kuenstler | Crystal holder |
| US2497966A (en) * | 1946-01-26 | 1950-02-21 | Reeves Hoffman Corp | Crystal holder |
| US2802955A (en) * | 1953-05-04 | 1957-08-13 | Donald M Kitterman | Piezoelectric unit |
| US3656217A (en) * | 1969-06-06 | 1972-04-18 | Cts Corp | Method of making piezoelectric crystal units |
| US3980911A (en) * | 1974-02-11 | 1976-09-14 | Cts Corporation | Support structure and housing for piezoelectric crystal |
-
0
- BE BE467153D patent/BE467153A/xx unknown
-
1944
- 1944-08-04 US US548109A patent/US2399919A/en not_active Expired - Lifetime
-
1945
- 1945-07-27 GB GB19293/45A patent/GB596503A/en not_active Expired
-
1946
- 1946-04-04 FR FR939135D patent/FR939135A/fr not_active Expired
- 1946-05-16 CH CH254658D patent/CH254658A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH254658A (de) | 1948-05-15 |
| FR939135A (fr) | 1948-11-04 |
| US2399919A (en) | 1946-05-07 |
| GB596503A (en) | 1948-01-06 |
