KR900011159U - 무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로 - Google Patents

무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로

Info

Publication number
KR900011159U
KR900011159U KR2019880018443U KR880018443U KR900011159U KR 900011159 U KR900011159 U KR 900011159U KR 2019880018443 U KR2019880018443 U KR 2019880018443U KR 880018443 U KR880018443 U KR 880018443U KR 900011159 U KR900011159 U KR 900011159U
Authority
KR
South Korea
Prior art keywords
phone
switching circuit
mode switching
cordless
automatic intercom
Prior art date
Application number
KR2019880018443U
Other languages
English (en)
Other versions
KR920000204Y1 (ko
Inventor
조규창
Original Assignee
대우전자 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 대우전자 주식회사 filed Critical 대우전자 주식회사
Priority to KR2019880018443U priority Critical patent/KR920000204Y1/ko
Publication of KR900011159U publication Critical patent/KR900011159U/ko
Application granted granted Critical
Publication of KR920000204Y1 publication Critical patent/KR920000204Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures
    • H04M1/72513—On hold, intercom or transfer communication modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Mobile Radio Communication Systems (AREA)
KR2019880018443U 1988-11-11 1988-11-11 무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로 KR920000204Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880018443U KR920000204Y1 (ko) 1988-11-11 1988-11-11 무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880018443U KR920000204Y1 (ko) 1988-11-11 1988-11-11 무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로

Publications (2)

Publication Number Publication Date
KR900011159U true KR900011159U (ko) 1990-06-04
KR920000204Y1 KR920000204Y1 (ko) 1992-01-15

Family

ID=19281323

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880018443U KR920000204Y1 (ko) 1988-11-11 1988-11-11 무선 전화기의 인터컴/전화기 모드(Mode)자동 절환회로

Country Status (1)

Country Link
KR (1) KR920000204Y1 (ko)

Also Published As

Publication number Publication date
KR920000204Y1 (ko) 1992-01-15

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