KR940006701U - 주파수 절환장치 - Google Patents
주파수 절환장치Info
- Publication number
- KR940006701U KR940006701U KR2019920014663U KR920014663U KR940006701U KR 940006701 U KR940006701 U KR 940006701U KR 2019920014663 U KR2019920014663 U KR 2019920014663U KR 920014663 U KR920014663 U KR 920014663U KR 940006701 U KR940006701 U KR 940006701U
- Authority
- KR
- South Korea
- Prior art keywords
- switching device
- frequency switching
- frequency
- switching
- 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
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- 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
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/07—Calibration of receivers, using quartz crystal oscillators as reference
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92014663U KR960005488Y1 (ko) | 1992-08-05 | 1992-08-05 | 주파수 절환장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92014663U KR960005488Y1 (ko) | 1992-08-05 | 1992-08-05 | 주파수 절환장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940006701U true KR940006701U (ko) | 1994-03-25 |
| KR960005488Y1 KR960005488Y1 (ko) | 1996-07-03 |
Family
ID=19337991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92014663U KR960005488Y1 (ko) | 1992-08-05 | 1992-08-05 | 주파수 절환장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR960005488Y1 (ko) |
-
1992
- 1992-08-05 KR KR92014663U patent/KR960005488Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR960005488Y1 (ko) | 1996-07-03 |
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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: 20010629 Year of fee payment: 6 |
|
| LAPS | Lapse due to unpaid annual fee |