HK87090A - Ceramic bandpass filter - Google Patents
Ceramic bandpass filterInfo
- Publication number
- HK87090A HK87090A HK87090A HK87090A HK87090A HK 87090 A HK87090 A HK 87090A HK 87090 A HK87090 A HK 87090A HK 87090 A HK87090 A HK 87090A HK 87090 A HK87090 A HK 87090A
- Authority
- HK
- Hong Kong
- Prior art keywords
- bandpass filter
- ceramic bandpass
- ceramic
- filter
- bandpass
- Prior art date
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/349,346 US4431977A (en) | 1982-02-16 | 1982-02-16 | Ceramic bandpass filter |
PCT/US1983/000092 WO1983002853A1 (en) | 1982-02-16 | 1983-01-21 | Ceramic bandpass filter |
Publications (1)
Publication Number | Publication Date |
---|---|
HK87090A true HK87090A (en) | 1990-11-02 |
Family
ID=26768100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK87090A HK87090A (en) | 1982-02-16 | 1990-10-25 | Ceramic bandpass filter |
Country Status (3)
Country | Link |
---|---|
BR (1) | BR8305744A (xx) |
HK (1) | HK87090A (xx) |
NO (1) | NO162399B (xx) |
-
1983
- 1983-01-21 BR BR8305744A patent/BR8305744A/pt not_active IP Right Cessation
- 1983-09-14 NO NO83833289A patent/NO162399B/no unknown
-
1990
- 1990-10-25 HK HK87090A patent/HK87090A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO162399B (no) | 1989-09-11 |
NO833289L (no) | 1983-09-14 |
BR8305744A (pt) | 1984-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3377253D1 (en) | Ceramic bandpass filter | |
DE3364907D1 (en) | Ceramic fabric filter | |
DE3164378D1 (en) | Ceramic filter | |
GB8308173D0 (en) | Filters | |
DE3377769D1 (en) | Filter | |
GB2120488B (en) | Band-pass filter | |
EP0094165A3 (en) | Filters | |
DE3374628D1 (en) | Resonator type bandpass filter | |
GB8333350D0 (en) | Filter | |
EP0083132A3 (en) | Bandpass filters | |
GB2118794B (en) | Filter | |
PT76503B (en) | Cigarrette filter | |
AR243339A1 (es) | Filtro para cigarrillo | |
GB2119675B (en) | Filters | |
GB2119272B (en) | Filter | |
GB2132499B (en) | Filter | |
GB8323745D0 (en) | Filter element | |
PH19514A (en) | Smoke filters | |
GB2157109B (en) | Band-pass filter | |
EP0113901A3 (en) | Mode filter | |
HK87090A (en) | Ceramic bandpass filter | |
GB2128497B (en) | Filter element | |
GB2120123B (en) | Filter element | |
KR840001953Y1 (en) | Filter | |
IE821609L (en) | Filters |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |