KR860004523A - 전화기의 비지 인디케이터(Busy Indicator) - Google Patents

전화기의 비지 인디케이터(Busy Indicator)

Info

Publication number
KR860004523A
KR860004523A KR1019840007493A KR840007493A KR860004523A KR 860004523 A KR860004523 A KR 860004523A KR 1019840007493 A KR1019840007493 A KR 1019840007493A KR 840007493 A KR840007493 A KR 840007493A KR 860004523 A KR860004523 A KR 860004523A
Authority
KR
South Korea
Prior art keywords
phone
busy indicator
busy
indicator
Prior art date
Application number
KR1019840007493A
Other languages
English (en)
Other versions
KR860001748B1 (ko
Inventor
이정근
Original Assignee
이정근
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 이정근 filed Critical 이정근
Priority to KR1019840007493A priority Critical patent/KR860001748B1/ko
Publication of KR860004523A publication Critical patent/KR860004523A/ko
Application granted granted Critical
Publication of KR860001748B1 publication Critical patent/KR860001748B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/14—Signalling existence of persistent "off-hook" condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
KR1019840007493A 1984-11-29 1984-11-29 전화기의 비지 인디케이터(Busy Indicator) KR860001748B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019840007493A KR860001748B1 (ko) 1984-11-29 1984-11-29 전화기의 비지 인디케이터(Busy Indicator)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840007493A KR860001748B1 (ko) 1984-11-29 1984-11-29 전화기의 비지 인디케이터(Busy Indicator)

Publications (2)

Publication Number Publication Date
KR860004523A true KR860004523A (ko) 1986-06-23
KR860001748B1 KR860001748B1 (ko) 1986-10-20

Family

ID=19236401

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840007493A KR860001748B1 (ko) 1984-11-29 1984-11-29 전화기의 비지 인디케이터(Busy Indicator)

Country Status (1)

Country Link
KR (1) KR860001748B1 (ko)

Also Published As

Publication number Publication date
KR860001748B1 (ko) 1986-10-20

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19931019

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee