BE622705A - - Google Patents
Info
- Publication number
- BE622705A BE622705A BE622705DA BE622705A BE 622705 A BE622705 A BE 622705A BE 622705D A BE622705D A BE 622705DA BE 622705 A BE622705 A BE 622705A
- 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 |
|---|---|---|---|
| DES0075883 | 1961-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE622705A true BE622705A (ja) |
Family
ID=7505702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE622705D BE622705A (ja) | 1961-09-22 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE622705A (ja) |
| CH (1) | CH406470A (ja) |
| DE (1) | DE1616683B1 (ja) |
| GB (1) | GB965731A (ja) |
| NL (1) | NL283551A (ja) |
| SE (1) | SE306378B (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4405909A (en) * | 1981-12-28 | 1983-09-20 | Rockwell International Corporation | Mechanical filter with box-type coupling structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH217896A (de) * | 1940-04-02 | 1941-11-15 | Telefunken Gmbh | Halterungseinrichtung für einen Langwellenschwingkristall. |
| US2978597A (en) * | 1956-03-14 | 1961-04-04 | Harris Transducer Corp | Circuit element transducer |
| NL233996A (ja) * | 1957-12-12 |
-
0
- NL NL283551D patent/NL283551A/xx unknown
- BE BE622705D patent/BE622705A/xx unknown
-
1961
- 1961-09-22 DE DE19611616683 patent/DE1616683B1/de not_active Withdrawn
-
1962
- 1962-08-30 CH CH1032762A patent/CH406470A/de unknown
- 1962-09-19 GB GB3562362A patent/GB965731A/en not_active Expired
- 1962-09-21 SE SE1020362A patent/SE306378B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE306378B (ja) | 1968-11-25 |
| NL283551A (ja) | |
| CH406470A (de) | 1966-01-31 |
| DE1616683B1 (de) | 1969-10-16 |
| GB965731A (en) | 1964-08-06 |