KR900011099U - 비디오 인터폰 회로 - Google Patents

비디오 인터폰 회로

Info

Publication number
KR900011099U
KR900011099U KR2019880018453U KR880018453U KR900011099U KR 900011099 U KR900011099 U KR 900011099U KR 2019880018453 U KR2019880018453 U KR 2019880018453U KR 880018453 U KR880018453 U KR 880018453U KR 900011099 U KR900011099 U KR 900011099U
Authority
KR
South Korea
Prior art keywords
video intercom
intercom circuit
circuit
video
intercom
Prior art date
Application number
KR2019880018453U
Other languages
English (en)
Other versions
KR910006471Y1 (ko
Inventor
이재정
Original Assignee
전한실업 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 전한실업 주식회사 filed Critical 전한실업 주식회사
Priority to KR2019880018453U priority Critical patent/KR910006471Y1/ko
Publication of KR900011099U publication Critical patent/KR900011099U/ko
Application granted granted Critical
Publication of KR910006471Y1 publication Critical patent/KR910006471Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • H04N7/186—Video door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
KR2019880018453U 1988-11-11 1988-11-11 비디오 인터폰 회로 KR910006471Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880018453U KR910006471Y1 (ko) 1988-11-11 1988-11-11 비디오 인터폰 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880018453U KR910006471Y1 (ko) 1988-11-11 1988-11-11 비디오 인터폰 회로

Publications (2)

Publication Number Publication Date
KR900011099U true KR900011099U (ko) 1990-06-04
KR910006471Y1 KR910006471Y1 (ko) 1991-08-23

Family

ID=19281329

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880018453U KR910006471Y1 (ko) 1988-11-11 1988-11-11 비디오 인터폰 회로

Country Status (1)

Country Link
KR (1) KR910006471Y1 (ko)

Also Published As

Publication number Publication date
KR910006471Y1 (ko) 1991-08-23

Similar Documents

Publication Publication Date Title
DE69131531D1 (de) Integrierschaltung
DE68927389D1 (de) Videospezialeffekte
DE69213986D1 (de) Schaltungsanordnung
DE69028258D1 (de) Videovorverstärkerschaltung
DE69220456D1 (de) Schaltungsanordnung
NO930097L (no) Synkroniserende delekrets
DK683888A (da) Telefonkredsloeb
KR900011099U (ko) 비디오 인터폰 회로
KR890009803U (ko) 영상 스위칭 회로
KR890016825U (ko) 영상 수신회로
DK662088D0 (da) Videokredsloeb
KR900007690U (ko) 귀선 소거 회로
DE69119363D1 (de) Halteschaltung
KR890012011U (ko) 영상 스위칭회로
KR890012009U (ko) 비디오 스위칭회로
KR890007980U (ko) 영상출력회로
KR890003905U (ko) 영상 출력회로
KR890015343U (ko) 비데오 모드 절환회로
KR890020272U (ko) 비디오 모드 스위칭 회로
KR900021010U (ko) 비디오테이프의 무단복제 방지회로
KR870014028U (ko) 영상 차단회로
SE8801758D0 (sv) Televisionstelefon
KR890003859U (ko) 비디오 카메라의 촬상관 보호회로
KR940006595U (ko) 디지탈 비교 회로
KR890022175U (ko) 라우드 스피이커 회로

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: 19950821

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee