BE622792A - - Google Patents
Info
- Publication number
- BE622792A BE622792A BE622792DA BE622792A BE 622792 A BE622792 A BE 622792A BE 622792D A BE622792D A BE 622792DA BE 622792 A BE622792 A BE 622792A
- Authority
- BE
- Belgium
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
- 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 |
|---|---|---|---|
| DES0075908 | 1961-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE622792A true BE622792A (es) |
Family
ID=7505722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE622792D BE622792A (es) | 1961-09-25 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE622792A (es) |
| CH (1) | CH405523A (es) |
| DE (1) | DE1616684B1 (es) |
| GB (1) | GB993491A (es) |
| NL (2) | NL141338B (es) |
| SE (1) | SE310527B (es) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1933306A (en) * | 1931-04-30 | 1933-10-31 | Gen Electric | Electrical frequency analyzer |
-
0
- NL NL283596D patent/NL283596A/xx unknown
- BE BE622792D patent/BE622792A/xx unknown
-
1961
- 1961-09-25 DE DE19611616684 patent/DE1616684B1/de active Pending
-
1962
- 1962-08-31 CH CH1037262A patent/CH405523A/de unknown
- 1962-09-20 GB GB3578862A patent/GB993491A/en not_active Expired
- 1962-09-25 NL NL283596A patent/NL141338B/xx unknown
- 1962-09-25 SE SE1029762A patent/SE310527B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL141338B (nl) | 1974-02-15 |
| CH405523A (de) | 1966-01-15 |
| DE1616684B1 (de) | 1969-11-06 |
| SE310527B (es) | 1969-05-05 |
| NL283596A (es) | |
| GB993491A (en) | 1965-05-26 |