KR890023907U - Uhf, vhf 공용튜너의 uhf, vhf 이미지신호 가변트랩회로 - Google Patents
Uhf, vhf 공용튜너의 uhf, vhf 이미지신호 가변트랩회로Info
- Publication number
- KR890023907U KR890023907U KR2019880007904U KR880007904U KR890023907U KR 890023907 U KR890023907 U KR 890023907U KR 2019880007904 U KR2019880007904 U KR 2019880007904U KR 880007904 U KR880007904 U KR 880007904U KR 890023907 U KR890023907 U KR 890023907U
- Authority
- KR
- South Korea
- Prior art keywords
- vhf
- uhf
- image signal
- trap circuit
- signal variable
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880007904U KR910001649Y1 (ko) | 1988-05-28 | 1988-05-28 | Uhf, vhf 공용튜너의 uhf, vhf 이미지신호 가변트랩회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880007904U KR910001649Y1 (ko) | 1988-05-28 | 1988-05-28 | Uhf, vhf 공용튜너의 uhf, vhf 이미지신호 가변트랩회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890023907U true KR890023907U (ko) | 1989-12-04 |
| KR910001649Y1 KR910001649Y1 (ko) | 1991-03-18 |
Family
ID=19275617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019880007904U KR910001649Y1 (ko) | 1988-05-28 | 1988-05-28 | Uhf, vhf 공용튜너의 uhf, vhf 이미지신호 가변트랩회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910001649Y1 (ko) |
-
1988
- 1988-05-28 KR KR2019880007904U patent/KR910001649Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR910001649Y1 (ko) | 1991-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| LAPS | Lapse due to unpaid annual fee |