NL277292A - - Google Patents
Info
- Publication number
- NL277292A NL277292A NL277292DA NL277292A NL 277292 A NL277292 A NL 277292A NL 277292D A NL277292D A NL 277292DA NL 277292 A NL277292 A NL 277292A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
- H03H9/50—Mechanical coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0074429 | 1961-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL277292A true NL277292A (fr) |
Family
ID=7504644
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277292D NL277292A (fr) | 1961-06-20 | ||
| NL62277292A NL147298B (nl) | 1961-06-20 | 1962-04-16 | Uit ten minste drie resonatoren bestaand filter. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL62277292A NL147298B (nl) | 1961-06-20 | 1962-04-16 | Uit ten minste drie resonatoren bestaand filter. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3264585A (fr) |
| BE (1) | BE619130R (fr) |
| GB (1) | GB948889A (fr) |
| NL (2) | NL147298B (fr) |
| SE (1) | SE309637B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354413A (en) * | 1961-11-13 | 1967-11-21 | Kokusai Electric Co Ltd | Electromechanical filter for low frequencies |
| US3437848A (en) * | 1964-09-24 | 1969-04-08 | Telefunken Patent | Piezoelectric plate filter |
| US3437849A (en) * | 1966-11-21 | 1969-04-08 | Motorola Inc | Temperature compensation of electrical devices |
| US3488530A (en) * | 1968-04-22 | 1970-01-06 | North American Rockwell | Piezoelectric microresonator |
| US3573672A (en) * | 1968-10-30 | 1971-04-06 | Bell Telephone Labor Inc | Crystal filter |
| US3638145A (en) * | 1969-12-15 | 1972-01-25 | Bell Telephone Labor Inc | Electromechanical wave filter |
| US4137511A (en) * | 1977-09-13 | 1979-01-30 | Bell Telephone Laboratories, Incorporated | Electromechanical filter and resonator |
| US5187458A (en) * | 1989-09-21 | 1993-02-16 | Nihon Musen Kabushiki Kaisha | Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2695357A (en) * | 1951-04-19 | 1954-11-23 | Rca Corp | Frequency conversion apparatus |
| US2814785A (en) * | 1955-07-29 | 1957-11-26 | Rca Corp | Electromechanical filter |
| US3015789A (en) * | 1956-04-23 | 1962-01-02 | Toyotsushinki Kabushiki Kaisha | Mechanical filter |
| NL239635A (fr) * | 1958-05-30 | |||
| US3064213A (en) * | 1959-08-14 | 1962-11-13 | Bell Telephone Labor Inc | Electromechanical wave transmission systems |
-
0
- NL NL277292D patent/NL277292A/xx unknown
-
1962
- 1962-04-16 NL NL62277292A patent/NL147298B/xx unknown
- 1962-06-05 SE SE6293/62A patent/SE309637B/xx unknown
- 1962-06-05 US US200255A patent/US3264585A/en not_active Expired - Lifetime
- 1962-06-19 BE BE619130A patent/BE619130R/fr active
- 1962-06-19 GB GB23639/62A patent/GB948889A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE619130R (fr) | 1962-12-19 |
| GB948889A (en) | 1964-02-05 |
| SE309637B (fr) | 1969-03-31 |
| US3264585A (en) | 1966-08-02 |
| NL147298B (nl) | 1975-09-15 |