KR900013764U - 영상기록 재생장치를 이용한 영상 인터폰회로 - Google Patents

영상기록 재생장치를 이용한 영상 인터폰회로

Info

Publication number
KR900013764U
KR900013764U KR2019880021985U KR880021985U KR900013764U KR 900013764 U KR900013764 U KR 900013764U KR 2019880021985 U KR2019880021985 U KR 2019880021985U KR 880021985 U KR880021985 U KR 880021985U KR 900013764 U KR900013764 U KR 900013764U
Authority
KR
South Korea
Prior art keywords
video
reproducing device
interphone circuit
video recording
recording
Prior art date
Application number
KR2019880021985U
Other languages
English (en)
Other versions
KR910009315Y1 (ko
Inventor
류호용
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 KR2019880021985U priority Critical patent/KR910009315Y1/ko
Publication of KR900013764U publication Critical patent/KR900013764U/ko
Application granted granted Critical
Publication of KR910009315Y1 publication Critical patent/KR910009315Y1/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
    • 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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Closed-Circuit Television Systems (AREA)
KR2019880021985U 1988-12-29 1988-12-29 영상기록 재생장치를 이용한 영상 인터폰회로 KR910009315Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880021985U KR910009315Y1 (ko) 1988-12-29 1988-12-29 영상기록 재생장치를 이용한 영상 인터폰회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880021985U KR910009315Y1 (ko) 1988-12-29 1988-12-29 영상기록 재생장치를 이용한 영상 인터폰회로

Publications (2)

Publication Number Publication Date
KR900013764U true KR900013764U (ko) 1990-07-06
KR910009315Y1 KR910009315Y1 (ko) 1991-12-05

Family

ID=19282713

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880021985U KR910009315Y1 (ko) 1988-12-29 1988-12-29 영상기록 재생장치를 이용한 영상 인터폰회로

Country Status (1)

Country Link
KR (1) KR910009315Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487379B1 (ko) * 2002-12-10 2005-05-03 엘지전자 주식회사 나선형 송풍팬 어셈블리

Also Published As

Publication number Publication date
KR910009315Y1 (ko) 1991-12-05

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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: 20011129

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee