KR0119002Y1 - 비디오 디엠파시스 스위칭회로 - Google Patents
비디오 디엠파시스 스위칭회로Info
- Publication number
- KR0119002Y1 KR0119002Y1 KR92011563U KR920011563U KR0119002Y1 KR 0119002 Y1 KR0119002 Y1 KR 0119002Y1 KR 92011563 U KR92011563 U KR 92011563U KR 920011563 U KR920011563 U KR 920011563U KR 0119002 Y1 KR0119002 Y1 KR 0119002Y1
- Authority
- KR
- South Korea
- Prior art keywords
- emphasis
- circuit
- signal
- switching
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
- H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0004—Circuit elements of modulators
- H03C2200/0016—Pre-emphasis or de-emphasis circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (1)
- 방송수신기에서의 비디오신호의 디엠파시스/언 디엠파시스를 선택하기 위해, 신호증폭회로부(10)와 디엠파시스회로부(20)를 포함하는 스위칭회로에 있어서, 상기 디엠파시스회로부(20)의 그라운드패스가 디엠파시스 제어회로부(40)의 스위칭트랜지스터(Q2)에 의해 선택적으로 형성되게 구성하고, 상기 스위칭트랜지스터(Q2)는 외부 스위칭전압신호(S1)에 의해 제어되게 구성하는 것을 특징으로 하는 비디오 디엠파시스 스위칭회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92011563U KR0119002Y1 (ko) | 1992-06-26 | 1992-06-26 | 비디오 디엠파시스 스위칭회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92011563U KR0119002Y1 (ko) | 1992-06-26 | 1992-06-26 | 비디오 디엠파시스 스위칭회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940002285U KR940002285U (ko) | 1994-01-03 |
| KR0119002Y1 true KR0119002Y1 (ko) | 1998-07-15 |
Family
ID=19335583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92011563U Expired - Fee Related KR0119002Y1 (ko) | 1992-06-26 | 1992-06-26 | 비디오 디엠파시스 스위칭회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0119002Y1 (ko) |
-
1992
- 1992-06-26 KR KR92011563U patent/KR0119002Y1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR940002285U (ko) | 1994-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
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| UA0108 | Application for utility model registration |
St.27 status event code: A-0-1-A10-A12-nap-UA0108 |
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| UG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-UG1501 |
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| A201 | Request for examination | ||
| UA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-UA0201 |
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| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-UE0701 |
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| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-UR0701 |
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| UR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-UR1002 Fee payment year number: 1 |
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| UG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-UG1601 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
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| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-UC1903 Not in force date: 20010312 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
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| UC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-UC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20010312 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
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| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
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| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |