KR910002941Y1 - 송수신장치 - Google Patents

송수신장치 Download PDF

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Publication number
KR910002941Y1
KR910002941Y1 KR2019850008342U KR850008342U KR910002941Y1 KR 910002941 Y1 KR910002941 Y1 KR 910002941Y1 KR 2019850008342 U KR2019850008342 U KR 2019850008342U KR 850008342 U KR850008342 U KR 850008342U KR 910002941 Y1 KR910002941 Y1 KR 910002941Y1
Authority
KR
South Korea
Prior art keywords
pole
microphone
earphone
circuit
jack
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
Application number
KR2019850008342U
Other languages
English (en)
Korean (ko)
Other versions
KR860002420U (ko
Inventor
후미오 노다
Original Assignee
쏘니 가부시기가이샤
오오가 노리오
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 쏘니 가부시기가이샤, 오오가 노리오 filed Critical 쏘니 가부시기가이샤
Publication of KR860002420U publication Critical patent/KR860002420U/ko
Application granted granted Critical
Publication of KR910002941Y1 publication Critical patent/KR910002941Y1/ko
Expired legal-status Critical Current

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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
    • H04B1/3827—Portable transceivers
    • 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
    • H04B1/44—Transmit/receive switching
    • 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
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3872—Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (AREA)
KR2019850008342U 1984-08-07 1985-07-05 송수신장치 Expired KR910002941Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP84-126177(??) 1984-08-07
JP1984126177U JPS6142150U (ja) 1984-08-20 1984-08-20 送受信装置

Publications (2)

Publication Number Publication Date
KR860002420U KR860002420U (ko) 1986-03-31
KR910002941Y1 true KR910002941Y1 (ko) 1991-05-03

Family

ID=30684860

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850008342U Expired KR910002941Y1 (ko) 1984-08-07 1985-07-05 송수신장치

Country Status (2)

Country Link
JP (1) JPS6142150U (enrdf_load_stackoverflow)
KR (1) KR910002941Y1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0349483Y2 (enrdf_load_stackoverflow) 1991-10-22
KR860002420U (ko) 1986-03-31
JPS6142150U (ja) 1986-03-18

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