KR930012369U - Automatic mode switching circuit of telephone - Google Patents

Automatic mode switching circuit of telephone

Info

Publication number
KR930012369U
KR930012369U KR2019910019184U KR910019184U KR930012369U KR 930012369 U KR930012369 U KR 930012369U KR 2019910019184 U KR2019910019184 U KR 2019910019184U KR 910019184 U KR910019184 U KR 910019184U KR 930012369 U KR930012369 U KR 930012369U
Authority
KR
South Korea
Prior art keywords
telephone
switching circuit
mode switching
automatic mode
automatic
Prior art date
Application number
KR2019910019184U
Other languages
Korean (ko)
Other versions
KR940004110Y1 (en
Inventor
김범용
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 KR2019910019184U priority Critical patent/KR940004110Y1/en
Publication of KR930012369U publication Critical patent/KR930012369U/en
Application granted granted Critical
Publication of KR940004110Y1 publication Critical patent/KR940004110Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/78—Circuit arrangements in which low-frequency speech signals proceed in one direction on the line, while speech signals proceeding in the other direction on the line are modulated on a high-frequency carrier signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
KR2019910019184U 1991-11-12 1991-11-12 Automatic mode-switching circuit of telephone KR940004110Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910019184U KR940004110Y1 (en) 1991-11-12 1991-11-12 Automatic mode-switching circuit of telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910019184U KR940004110Y1 (en) 1991-11-12 1991-11-12 Automatic mode-switching circuit of telephone

Publications (2)

Publication Number Publication Date
KR930012369U true KR930012369U (en) 1993-06-25
KR940004110Y1 KR940004110Y1 (en) 1994-06-20

Family

ID=19321997

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910019184U KR940004110Y1 (en) 1991-11-12 1991-11-12 Automatic mode-switching circuit of telephone

Country Status (1)

Country Link
KR (1) KR940004110Y1 (en)

Also Published As

Publication number Publication date
KR940004110Y1 (en) 1994-06-20

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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
FPAY Annual fee payment

Payment date: 20030602

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee