KR0158604B1 - 멀티 프리-엠퍼시스회로 - Google Patents
멀티 프리-엠퍼시스회로 Download PDFInfo
- Publication number
- KR0158604B1 KR0158604B1 KR1019950043852A KR19950043852A KR0158604B1 KR 0158604 B1 KR0158604 B1 KR 0158604B1 KR 1019950043852 A KR1019950043852 A KR 1019950043852A KR 19950043852 A KR19950043852 A KR 19950043852A KR 0158604 B1 KR0158604 B1 KR 0158604B1
- Authority
- KR
- South Korea
- Prior art keywords
- channel
- signal
- pal
- switching
- ntsc
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005236 sound signal Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/036—Radio; TV
-
- 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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Description
Claims (4)
- 선택된 방송채널의 절환신호에 의하여 시정수값이 변하는 멀티 프리-엠퍼시스회로에 있어서, 방송채널절환신호가 입력되는 제어신호입력단과, 상기 제어신호입력단과 연결되고, 인가되는 채널절환신호에 의하여 스위칭동작하는 전자스위치와, 상기 전자스위치의 온/오프에 의하여 그 내부의 시정수값이 변하는 RC회로부를 구비함을 특징으로 하는 멀티 프리-엠퍼시스회로.
- 제1항에 있어서, 상기 RC회로부가 콘덴서와 두 저항의 직병렬로 구성되며, 상기 두 저항중 한 저항이 상기 전자스위치와 병렬구성됨을 특징으로 하는 멀티 프리-엠퍼시스회로.
- 제1항에 있어서, 상기 전자스위치가 스위칭다이오드임을 특징으로 하는 멀티 프리-엠퍼시스회로.
- 제1항 또는 제2항에 있어서, 상기 전자스위치가 NTSC채널에서 PAL채널로의 절환신호가 입력되면 온되고, PAL채널에서 NTSC채널로의 절환신호가 입력되면 오프됨을 특징으로 하는 멀티 프리-엠퍼시스회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950043852A KR0158604B1 (ko) | 1995-11-27 | 1995-11-27 | 멀티 프리-엠퍼시스회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950043852A KR0158604B1 (ko) | 1995-11-27 | 1995-11-27 | 멀티 프리-엠퍼시스회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970032064A KR970032064A (ko) | 1997-06-26 |
KR0158604B1 true KR0158604B1 (ko) | 1998-12-15 |
Family
ID=19435795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950043852A KR0158604B1 (ko) | 1995-11-27 | 1995-11-27 | 멀티 프리-엠퍼시스회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0158604B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100381309B1 (ko) * | 2001-03-30 | 2003-04-18 | (주)모토닉 | 연료량 표시방법 및 표시장치 |
-
1995
- 1995-11-27 KR KR1019950043852A patent/KR0158604B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100381309B1 (ko) * | 2001-03-30 | 2003-04-18 | (주)모토닉 | 연료량 표시방법 및 표시장치 |
Also Published As
Publication number | Publication date |
---|---|
KR970032064A (ko) | 1997-06-26 |
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