KR940003928Y1 - 전화사용 상황을 알려주는 장치 - Google Patents

전화사용 상황을 알려주는 장치 Download PDF

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Publication number
KR940003928Y1
KR940003928Y1 KR2019880002488U KR880002488U KR940003928Y1 KR 940003928 Y1 KR940003928 Y1 KR 940003928Y1 KR 2019880002488 U KR2019880002488 U KR 2019880002488U KR 880002488 U KR880002488 U KR 880002488U KR 940003928 Y1 KR940003928 Y1 KR 940003928Y1
Authority
KR
South Korea
Prior art keywords
panel
telephone
notice
switch
timer
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR2019880002488U
Other languages
English (en)
Korean (ko)
Other versions
KR880020746U (ko
Inventor
유지 미야시다
Original Assignee
기다모도 리요지
한와고오쟈이 가부시기가이샤
요시무라 야스조오
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 기다모도 리요지, 한와고오쟈이 가부시기가이샤, 요시무라 야스조오 filed Critical 기다모도 리요지
Publication of KR880020746U publication Critical patent/KR880020746U/ko
Application granted granted Critical
Publication of KR940003928Y1 publication Critical patent/KR940003928Y1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Audible And Visible Signals (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Telephone Function (AREA)
KR2019880002488U 1987-04-24 1988-02-27 전화사용 상황을 알려주는 장치 Expired - Fee Related KR940003928Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-62487 1987-04-24
JP1987062487U JPH0413870Y2 (enrdf_load_stackoverflow) 1987-04-24 1987-04-24

Publications (2)

Publication Number Publication Date
KR880020746U KR880020746U (ko) 1988-11-30
KR940003928Y1 true KR940003928Y1 (ko) 1994-06-15

Family

ID=31288094

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880002488U Expired - Fee Related KR940003928Y1 (ko) 1987-04-24 1988-02-27 전화사용 상황을 알려주는 장치

Country Status (2)

Country Link
JP (1) JPH0413870Y2 (enrdf_load_stackoverflow)
KR (1) KR940003928Y1 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5391695A (en) * 1977-01-24 1978-08-11 Masaaki Yoneda Indicator
JPS55176842U (enrdf_load_stackoverflow) * 1979-06-07 1980-12-18

Also Published As

Publication number Publication date
KR880020746U (ko) 1988-11-30
JPH0413870Y2 (enrdf_load_stackoverflow) 1992-03-30
JPS648861U (enrdf_load_stackoverflow) 1989-01-18

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