KR870014028U - Video blocking circuit - Google Patents
Video blocking circuitInfo
- Publication number
- KR870014028U KR870014028U KR2019860001948U KR860001948U KR870014028U KR 870014028 U KR870014028 U KR 870014028U KR 2019860001948 U KR2019860001948 U KR 2019860001948U KR 860001948 U KR860001948 U KR 860001948U KR 870014028 U KR870014028 U KR 870014028U
- Authority
- KR
- South Korea
- Prior art keywords
- blocking circuit
- video blocking
- video
- circuit
- blocking
- Prior art date
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
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/284—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator monostable
-
- 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
- H04N5/142—Edging; Contouring
-
- 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
- H04N5/50—Tuning indicators; Automatic tuning control
- H04N5/505—Invisible or silent tuning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Picture Signal Circuits (AREA)
- Studio Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860001948U KR890004422Y1 (en) | 1986-02-20 | 1986-02-20 | Video signals shield circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860001948U KR890004422Y1 (en) | 1986-02-20 | 1986-02-20 | Video signals shield circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870014028U true KR870014028U (en) | 1987-09-11 |
KR890004422Y1 KR890004422Y1 (en) | 1989-06-30 |
Family
ID=19248903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860001948U KR890004422Y1 (en) | 1986-02-20 | 1986-02-20 | Video signals shield circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890004422Y1 (en) |
-
1986
- 1986-02-20 KR KR2019860001948U patent/KR890004422Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890004422Y1 (en) | 1989-06-30 |
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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: 20000530 Year of fee payment: 12 |
|
EXPY | Expiration of term |