BR7302121D0 - Filtro para oscilacoes eletricas - Google Patents
Filtro para oscilacoes eletricasInfo
- Publication number
- BR7302121D0 BR7302121D0 BR732121A BR212173A BR7302121D0 BR 7302121 D0 BR7302121 D0 BR 7302121D0 BR 732121 A BR732121 A BR 732121A BR 212173 A BR212173 A BR 212173A BR 7302121 D0 BR7302121 D0 BR 7302121D0
- Authority
- BR
- Brazil
- Prior art keywords
- electric swing
- swing filter
- filter
- electric
- swing
- Prior art date
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 |
|---|---|---|---|
| DE2214252A DE2214252C3 (de) | 1972-03-23 | 1972-03-23 | Bandfilter fur elektrische Schwingungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7302121D0 true BR7302121D0 (pt) | 1974-09-24 |
Family
ID=5839961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR732121A BR7302121D0 (pt) | 1972-03-23 | 1973-03-23 | Filtro para oscilacoes eletricas |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3792382A (pt) |
| JP (1) | JPS498149A (pt) |
| AT (1) | AT333852B (pt) |
| BE (1) | BE797253A (pt) |
| BR (1) | BR7302121D0 (pt) |
| CA (1) | CA984926A (pt) |
| DE (1) | DE2214252C3 (pt) |
| FR (1) | FR2176919B1 (pt) |
| GB (1) | GB1424688A (pt) |
| IL (1) | IL41649A (pt) |
| IT (1) | IT982584B (pt) |
| NL (1) | NL159836B (pt) |
| SE (1) | SE386033B (pt) |
| YU (1) | YU36579B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858127A (en) * | 1973-12-10 | 1974-12-31 | Rockwell International Corp | Stable and compact low frequency filter |
| JPS5176057A (ja) * | 1974-12-04 | 1976-07-01 | Nippon Telegraph & Telephone | Nejiremoodoomochiitajukyokugatamekanikarufuiruta |
| US3983516A (en) * | 1975-08-25 | 1976-09-28 | Rockwell International Corporation | Longitudinal-mode mechanical bandpass filter |
| JPS5228245A (en) * | 1975-08-28 | 1977-03-03 | Nec Corp | Mechanical filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE622704A (pt) * | 1961-09-22 | |||
| DE1541975C3 (de) * | 1967-05-12 | 1975-03-06 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Elektromechanisches Bandfilter |
-
1972
- 1972-03-23 DE DE2214252A patent/DE2214252C3/de not_active Expired
-
1973
- 1973-02-19 GB GB796573A patent/GB1424688A/en not_active Expired
- 1973-02-28 IL IL41649A patent/IL41649A/xx unknown
- 1973-03-01 CA CA165,010A patent/CA984926A/en not_active Expired
- 1973-03-09 AT AT211373A patent/AT333852B/de not_active IP Right Cessation
- 1973-03-16 YU YU00717/73A patent/YU36579B/xx unknown
- 1973-03-19 US US00342491A patent/US3792382A/en not_active Expired - Lifetime
- 1973-03-20 FR FR7309875A patent/FR2176919B1/fr not_active Expired - Fee Related
- 1973-03-22 SE SE7304058A patent/SE386033B/xx unknown
- 1973-03-22 IT IT21956/73A patent/IT982584B/it active
- 1973-03-23 JP JP48033401A patent/JPS498149A/ja active Pending
- 1973-03-23 NL NL7304082.A patent/NL159836B/xx not_active IP Right Cessation
- 1973-03-23 BE BE129196A patent/BE797253A/xx unknown
- 1973-03-23 BR BR732121A patent/BR7302121D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS498149A (pt) | 1974-01-24 |
| FR2176919A1 (pt) | 1973-11-02 |
| NL159836B (nl) | 1979-03-15 |
| BE797253A (fr) | 1973-09-24 |
| CA984926A (en) | 1976-03-02 |
| DE2214252B2 (de) | 1979-06-13 |
| IL41649A (en) | 1975-10-15 |
| YU36579B (en) | 1984-02-29 |
| FR2176919B1 (pt) | |
| AU5295873A (en) | 1974-09-12 |
| GB1424688A (en) | 1976-02-11 |
| US3792382A (en) | 1974-02-12 |
| AT333852B (de) | 1976-12-10 |
| SE386033B (sv) | 1976-07-26 |
| IL41649A0 (en) | 1973-04-30 |
| YU71773A (en) | 1982-02-25 |
| DE2214252A1 (de) | 1973-10-04 |
| IT982584B (it) | 1974-10-21 |
| NL7304082A (pt) | 1973-09-25 |
| DE2214252C3 (de) | 1980-02-14 |
| ATA211373A (de) | 1976-04-15 |
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