KR910016002U - The phone's automatic hold release device - Google Patents

The phone's automatic hold release device

Info

Publication number
KR910016002U
KR910016002U KR2019900001322U KR900001322U KR910016002U KR 910016002 U KR910016002 U KR 910016002U KR 2019900001322 U KR2019900001322 U KR 2019900001322U KR 900001322 U KR900001322 U KR 900001322U KR 910016002 U KR910016002 U KR 910016002U
Authority
KR
South Korea
Prior art keywords
phone
release device
hold release
automatic hold
automatic
Prior art date
Application number
KR2019900001322U
Other languages
Korean (ko)
Other versions
KR930001225Y1 (en
Inventor
이구식
Original Assignee
현대전자산업 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 현대전자산업 주식회사 filed Critical 현대전자산업 주식회사
Priority to KR2019900001322U priority Critical patent/KR930001225Y1/en
Publication of KR910016002U publication Critical patent/KR910016002U/en
Application granted granted Critical
Publication of KR930001225Y1 publication Critical patent/KR930001225Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/80—Telephone line holding circuits
    • 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)
  • Interface Circuits In Exchanges (AREA)
KR2019900001322U 1990-02-06 1990-02-06 Automatic holding-removing device in telephone KR930001225Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900001322U KR930001225Y1 (en) 1990-02-06 1990-02-06 Automatic holding-removing device in telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900001322U KR930001225Y1 (en) 1990-02-06 1990-02-06 Automatic holding-removing device in telephone

Publications (2)

Publication Number Publication Date
KR910016002U true KR910016002U (en) 1991-09-25
KR930001225Y1 KR930001225Y1 (en) 1993-03-18

Family

ID=19295782

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900001322U KR930001225Y1 (en) 1990-02-06 1990-02-06 Automatic holding-removing device in telephone

Country Status (1)

Country Link
KR (1) KR930001225Y1 (en)

Also Published As

Publication number Publication date
KR930001225Y1 (en) 1993-03-18

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