KR970012612A - VT head switching noise cancellation impulse generator - Google Patents
VT head switching noise cancellation impulse generator Download PDFInfo
- Publication number
- KR970012612A KR970012612A KR1019950024827A KR19950024827A KR970012612A KR 970012612 A KR970012612 A KR 970012612A KR 1019950024827 A KR1019950024827 A KR 1019950024827A KR 19950024827 A KR19950024827 A KR 19950024827A KR 970012612 A KR970012612 A KR 970012612A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- transistor
- inverting
- terminal
- impulse
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
이 발명은 브이티알 헤드 절환 잡음 제거용 임펄스 발생회로에 관한 것으로, 구형파 신호를 입력받아 그 신호의 특성을 전달하는 제1경로수단(10)과, 구형파 신호를 입력받아, 상기 제1경로수단에 비해 시간지연을 시키고 신호를 반전시켜 특성을 전달하는 제2경로수단(20)과, 상기 제1경로수단으로부터 출력되는 신호와 상기 제2경로 수단으로부터 출력되는 신호를 입력받아, 두 신호의 논리곱적인 신호합성에 의해 임펄스 신호를 출력하는 임펄스 생성수단(30)으로 이루어져 있으며, 2개이상의 헤드를 사용하는 브이티알 시스템에 있어서, 헤드 절환시 나타나는 잡음을 제거하는 데에 사용되는 임펄스 신호를 폭이 작은 신호로 발생시키고, 집적회로로 구현하기에 적합하도록 구성한 브이티알 헤드 절환 제거용 임펄스 발생회로에 관한 것이다.The present invention relates to an impulse generating circuit for eliminating VT head switching noise, comprising: a first path means (10) for receiving a square wave signal and transmitting a characteristic of the signal, and receiving a square wave signal to the first path means; Compared to the second path means 20 for delaying the time and inverting the signal to transmit characteristics, and receiving the signal output from the first path means and the signal output from the second path means, Impulse generating means 30 for outputting an impulse signal by a general signal synthesis, in a VTI system using two or more heads, the width of the impulse signal used to remove the noise appearing when switching the head The present invention relates to a VT head switching cancellation impulse generation circuit configured to generate a small signal and to be suitable for an integrated circuit.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 종래 기술의 임펄스 발생회로를 적용한 회로도.1 is a circuit diagram to which a conventional impulse generating circuit is applied.
제2도는 제1도의 출력특성을 나타내내 파형도이고.2 is a waveform diagram showing the output characteristics of FIG.
제3도는 이 발명의 실시예에 따른 브이티알 헤드 절환 잡음 제거용 임펄스 발생회로의 개념을 나타낸 논리 회로도.3 is a logic circuit diagram illustrating a concept of a VTIAL switching noise canceling impulse generating circuit according to an exemplary embodiment of the present invention.
제4도는 이 발명의 실시예에 따른 브이티알 헤드 절환 잡음 제거용 임펄스 발생회로를 적용한 상세회로도.4 is a detailed circuit diagram of applying a VT head switching noise cancellation impulse generating circuit according to an embodiment of the present invention.
제5도는 (가)~(바)는 제5도의 각 부분에서의 파형도.5 is a waveform diagram in each part of FIG.
제6도는 제4도의 출력특성을 나타낸 파형도.6 is a waveform diagram showing the output characteristics of FIG.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950024827A KR0163891B1 (en) | 1995-08-11 | 1995-08-11 | Impulse generation circuit for removing noise of vcr head change |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950024827A KR0163891B1 (en) | 1995-08-11 | 1995-08-11 | Impulse generation circuit for removing noise of vcr head change |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970012612A true KR970012612A (en) | 1997-03-29 |
KR0163891B1 KR0163891B1 (en) | 1999-01-15 |
Family
ID=19423341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950024827A KR0163891B1 (en) | 1995-08-11 | 1995-08-11 | Impulse generation circuit for removing noise of vcr head change |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0163891B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101296347B1 (en) * | 2011-07-20 | 2013-08-20 | 이성 주식회사 | Variable Impulse Signal Generating Apparatus and Method Using FPGA |
-
1995
- 1995-08-11 KR KR1019950024827A patent/KR0163891B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0163891B1 (en) | 1999-01-15 |
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