KR870005998U - Video switching circuit - Google Patents

Video switching circuit

Info

Publication number
KR870005998U
KR870005998U KR2019850012648U KR850012648U KR870005998U KR 870005998 U KR870005998 U KR 870005998U KR 2019850012648 U KR2019850012648 U KR 2019850012648U KR 850012648 U KR850012648 U KR 850012648U KR 870005998 U KR870005998 U KR 870005998U
Authority
KR
South Korea
Prior art keywords
switching circuit
video switching
video
circuit
switching
Prior art date
Application number
KR2019850012648U
Other languages
Korean (ko)
Other versions
KR890004764Y1 (en
Inventor
이갑수
Original Assignee
삼성전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019850012648U priority Critical patent/KR890004764Y1/en
Publication of KR870005998U publication Critical patent/KR870005998U/en
Application granted granted Critical
Publication of KR890004764Y1 publication Critical patent/KR890004764Y1/en

Links

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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • 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
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/70—Circuits for processing colour signals for colour killing
KR2019850012648U 1985-09-25 1985-09-25 Video switching circuit KR890004764Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850012648U KR890004764Y1 (en) 1985-09-25 1985-09-25 Video switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850012648U KR890004764Y1 (en) 1985-09-25 1985-09-25 Video switching circuit

Publications (2)

Publication Number Publication Date
KR870005998U true KR870005998U (en) 1987-04-25
KR890004764Y1 KR890004764Y1 (en) 1989-07-20

Family

ID=19245607

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850012648U KR890004764Y1 (en) 1985-09-25 1985-09-25 Video switching circuit

Country Status (1)

Country Link
KR (1) KR890004764Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332621B1 (en) * 1999-03-19 2002-04-17 곽정소 Mix and switching circuit of video signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332621B1 (en) * 1999-03-19 2002-04-17 곽정소 Mix and switching circuit of video signal

Also Published As

Publication number Publication date
KR890004764Y1 (en) 1989-07-20

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19980616

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee