KR880001469U - 공중선용 모뎀의 스위치 후크 검출회로 - Google Patents

공중선용 모뎀의 스위치 후크 검출회로

Info

Publication number
KR880001469U
KR880001469U KR2019860007922U KR860007922U KR880001469U KR 880001469 U KR880001469 U KR 880001469U KR 2019860007922 U KR2019860007922 U KR 2019860007922U KR 860007922 U KR860007922 U KR 860007922U KR 880001469 U KR880001469 U KR 880001469U
Authority
KR
South Korea
Prior art keywords
aerial
modem
detection circuit
hook detection
switch hook
Prior art date
Application number
KR2019860007922U
Other languages
English (en)
Other versions
KR890003493Y1 (ko
Inventor
이동윤
Original Assignee
금성전기 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 금성전기 주식회사 filed Critical 금성전기 주식회사
Priority to KR2019860007922U priority Critical patent/KR890003493Y1/ko
Publication of KR880001469U publication Critical patent/KR880001469U/ko
Application granted granted Critical
Publication of KR890003493Y1 publication Critical patent/KR890003493Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
KR2019860007922U 1986-06-04 1986-06-04 공중선(교환회선)용 모뎀의 스위치 후크 검출회로 KR890003493Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860007922U KR890003493Y1 (ko) 1986-06-04 1986-06-04 공중선(교환회선)용 모뎀의 스위치 후크 검출회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860007922U KR890003493Y1 (ko) 1986-06-04 1986-06-04 공중선(교환회선)용 모뎀의 스위치 후크 검출회로

Publications (2)

Publication Number Publication Date
KR880001469U true KR880001469U (ko) 1988-03-15
KR890003493Y1 KR890003493Y1 (ko) 1989-05-25

Family

ID=19252420

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860007922U KR890003493Y1 (ko) 1986-06-04 1986-06-04 공중선(교환회선)용 모뎀의 스위치 후크 검출회로

Country Status (1)

Country Link
KR (1) KR890003493Y1 (ko)

Also Published As

Publication number Publication date
KR890003493Y1 (ko) 1989-05-25

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee