KR880010911U - Call holding signal generating circuit of telephone - Google Patents

Call holding signal generating circuit of telephone

Info

Publication number
KR880010911U
KR880010911U KR2019860016994U KR860016994U KR880010911U KR 880010911 U KR880010911 U KR 880010911U KR 2019860016994 U KR2019860016994 U KR 2019860016994U KR 860016994 U KR860016994 U KR 860016994U KR 880010911 U KR880010911 U KR 880010911U
Authority
KR
South Korea
Prior art keywords
telephone
signal generating
generating circuit
holding signal
call holding
Prior art date
Application number
KR2019860016994U
Other languages
Korean (ko)
Other versions
KR890007660Y1 (en
Inventor
최호성
Original Assignee
동양정밀공업주식회사
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 동양정밀공업주식회사 filed Critical 동양정밀공업주식회사
Priority to KR2019860016994U priority Critical patent/KR890007660Y1/en
Publication of KR880010911U publication Critical patent/KR880010911U/en
Application granted granted Critical
Publication of KR890007660Y1 publication Critical patent/KR890007660Y1/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
    • H04M2201/04—Transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
KR2019860016994U 1986-11-03 1986-11-03 Communication holding generating circuit KR890007660Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860016994U KR890007660Y1 (en) 1986-11-03 1986-11-03 Communication holding generating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860016994U KR890007660Y1 (en) 1986-11-03 1986-11-03 Communication holding generating circuit

Publications (2)

Publication Number Publication Date
KR880010911U true KR880010911U (en) 1988-07-28
KR890007660Y1 KR890007660Y1 (en) 1989-10-31

Family

ID=19256758

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860016994U KR890007660Y1 (en) 1986-11-03 1986-11-03 Communication holding generating circuit

Country Status (1)

Country Link
KR (1) KR890007660Y1 (en)

Also Published As

Publication number Publication date
KR890007660Y1 (en) 1989-10-31

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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