KR970011497U - Phone call system - Google Patents

Phone call system

Info

Publication number
KR970011497U
KR970011497U KR2019950022816U KR19950022816U KR970011497U KR 970011497 U KR970011497 U KR 970011497U KR 2019950022816 U KR2019950022816 U KR 2019950022816U KR 19950022816 U KR19950022816 U KR 19950022816U KR 970011497 U KR970011497 U KR 970011497U
Authority
KR
South Korea
Prior art keywords
phone call
call system
phone
call
Prior art date
Application number
KR2019950022816U
Other languages
Korean (ko)
Other versions
KR200202950Y1 (en
Inventor
이행연
Original Assignee
엘지전자주식회사
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 엘지전자주식회사 filed Critical 엘지전자주식회사
Priority to KR2019950022816U priority Critical patent/KR200202950Y1/en
Publication of KR970011497U publication Critical patent/KR970011497U/en
Application granted granted Critical
Publication of KR200202950Y1 publication Critical patent/KR200202950Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
KR2019950022816U 1995-08-29 1995-08-29 Calling apparatus of telephone KR200202950Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019950022816U KR200202950Y1 (en) 1995-08-29 1995-08-29 Calling apparatus of telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019950022816U KR200202950Y1 (en) 1995-08-29 1995-08-29 Calling apparatus of telephone

Publications (2)

Publication Number Publication Date
KR970011497U true KR970011497U (en) 1997-03-29
KR200202950Y1 KR200202950Y1 (en) 2000-12-01

Family

ID=19421989

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019950022816U KR200202950Y1 (en) 1995-08-29 1995-08-29 Calling apparatus of telephone

Country Status (1)

Country Link
KR (1) KR200202950Y1 (en)

Also Published As

Publication number Publication date
KR200202950Y1 (en) 2000-12-01

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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