KR880014278U - 방문객 자동응답장치 - Google Patents

방문객 자동응답장치

Info

Publication number
KR880014278U
KR880014278U KR2019860020410U KR860020410U KR880014278U KR 880014278 U KR880014278 U KR 880014278U KR 2019860020410 U KR2019860020410 U KR 2019860020410U KR 860020410 U KR860020410 U KR 860020410U KR 880014278 U KR880014278 U KR 880014278U
Authority
KR
South Korea
Prior art keywords
visitors
answering device
automatic answering
automatic
answering
Prior art date
Application number
KR2019860020410U
Other languages
English (en)
Other versions
KR900008225Y1 (ko
Inventor
이기석
박충렬
Original Assignee
동양정밀공업 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 동양정밀공업 주식회사 filed Critical 동양정밀공업 주식회사
Priority to KR2019860020410U priority Critical patent/KR900008225Y1/ko
Publication of KR880014278U publication Critical patent/KR880014278U/ko
Application granted granted Critical
Publication of KR900008225Y1 publication Critical patent/KR900008225Y1/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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Closed-Circuit Television Systems (AREA)
KR2019860020410U 1986-12-18 1986-12-18 방문객 자동응답장치 KR900008225Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860020410U KR900008225Y1 (ko) 1986-12-18 1986-12-18 방문객 자동응답장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860020410U KR900008225Y1 (ko) 1986-12-18 1986-12-18 방문객 자동응답장치

Publications (2)

Publication Number Publication Date
KR880014278U true KR880014278U (ko) 1988-08-31
KR900008225Y1 KR900008225Y1 (ko) 1990-09-03

Family

ID=19258052

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860020410U KR900008225Y1 (ko) 1986-12-18 1986-12-18 방문객 자동응답장치

Country Status (1)

Country Link
KR (1) KR900008225Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269657B1 (ko) * 1997-09-18 2000-10-16 강병호 양면 인쇄용 팩시밀리의 기록지 이송장치

Also Published As

Publication number Publication date
KR900008225Y1 (ko) 1990-09-03

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Legal Events

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E902 Notification of reason for refusal
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Payment date: 19930902

Year of fee payment: 4

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