KR880020836U - Characteristic modification circuit of surface acoustic wave filter - Google Patents
Characteristic modification circuit of surface acoustic wave filterInfo
- Publication number
- KR880020836U KR880020836U KR2019870006070U KR870006070U KR880020836U KR 880020836 U KR880020836 U KR 880020836U KR 2019870006070 U KR2019870006070 U KR 2019870006070U KR 870006070 U KR870006070 U KR 870006070U KR 880020836 U KR880020836 U KR 880020836U
- Authority
- KR
- South Korea
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- modification circuit
- characteristic modification
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870006070U KR900000774Y1 (en) | 1987-04-24 | 1987-04-24 | A characteristic changing circuits of surface acoustic wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870006070U KR900000774Y1 (en) | 1987-04-24 | 1987-04-24 | A characteristic changing circuits of surface acoustic wave filter |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880020836U true KR880020836U (en) | 1988-11-30 |
KR900000774Y1 KR900000774Y1 (en) | 1990-01-30 |
Family
ID=19262129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870006070U KR900000774Y1 (en) | 1987-04-24 | 1987-04-24 | A characteristic changing circuits of surface acoustic wave filter |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900000774Y1 (en) |
-
1987
- 1987-04-24 KR KR2019870006070U patent/KR900000774Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900000774Y1 (en) | 1990-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19931229 Year of fee payment: 5 |
|
LAPS | Lapse due to unpaid annual fee |