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KR950007593U - 비디오 도어 폰 - Google Patents

비디오 도어 폰

Info

Publication number
KR950007593U
KR950007593U KR2019930015979U KR930015979U KR950007593U KR 950007593 U KR950007593 U KR 950007593U KR 2019930015979 U KR2019930015979 U KR 2019930015979U KR 930015979 U KR930015979 U KR 930015979U KR 950007593 U KR950007593 U KR 950007593U
Authority
KR
South Korea
Prior art keywords
door phone
video door
video
phone
door
Prior art date
Application number
KR2019930015979U
Other languages
English (en)
Other versions
KR0139903Y1 (ko
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 filed Critical
Priority to KR2019930015979U priority Critical patent/KR0139903Y1/ko
Publication of KR950007593U publication Critical patent/KR950007593U/ko
Application granted granted Critical
Publication of KR0139903Y1 publication Critical patent/KR0139903Y1/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)
  • Telephone Set Structure (AREA)
KR2019930015979U 1993-08-18 1993-08-18 비디오 도어 폰 KR0139903Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930015979U KR0139903Y1 (ko) 1993-08-18 1993-08-18 비디오 도어 폰

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930015979U KR0139903Y1 (ko) 1993-08-18 1993-08-18 비디오 도어 폰

Publications (2)

Publication Number Publication Date
KR950007593U true KR950007593U (ko) 1995-03-21
KR0139903Y1 KR0139903Y1 (ko) 1999-05-01

Family

ID=19361449

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930015979U KR0139903Y1 (ko) 1993-08-18 1993-08-18 비디오 도어 폰

Country Status (1)

Country Link
KR (1) KR0139903Y1 (ko)

Also Published As

Publication number Publication date
KR0139903Y1 (ko) 1999-05-01

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Legal Events

Date Code Title Description
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19930818

UG1501 Laying open of application
A201 Request for examination
UA0201 Request for examination

Patent event date: 19960305

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

Patent event date: 19930818

Patent event code: UA02011R01I

Comment text: Application for Utility Model Registration

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19981130

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19981216

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19981216

UG1601 Publication of registration
LAPS Lapse due to unpaid annual fee