KR900007646U - PCM tone generator for electronic exchange - Google Patents

PCM tone generator for electronic exchange

Info

Publication number
KR900007646U
KR900007646U KR2019880016052U KR880016052U KR900007646U KR 900007646 U KR900007646 U KR 900007646U KR 2019880016052 U KR2019880016052 U KR 2019880016052U KR 880016052 U KR880016052 U KR 880016052U KR 900007646 U KR900007646 U KR 900007646U
Authority
KR
South Korea
Prior art keywords
tone generator
electronic exchange
pcm tone
pcm
exchange
Prior art date
Application number
KR2019880016052U
Other languages
Korean (ko)
Other versions
KR940001391Y1 (en
Inventor
김삼수
Original Assignee
금성통신주식회사
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 금성통신주식회사 filed Critical 금성통신주식회사
Priority to KR2019880016052U priority Critical patent/KR940001391Y1/en
Publication of KR900007646U publication Critical patent/KR900007646U/en
Application granted granted Critical
Publication of KR940001391Y1 publication Critical patent/KR940001391Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
KR2019880016052U 1988-09-30 1988-09-30 Pcm tone origination apparatus for electronic exchange KR940001391Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880016052U KR940001391Y1 (en) 1988-09-30 1988-09-30 Pcm tone origination apparatus for electronic exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880016052U KR940001391Y1 (en) 1988-09-30 1988-09-30 Pcm tone origination apparatus for electronic exchange

Publications (2)

Publication Number Publication Date
KR900007646U true KR900007646U (en) 1990-04-04
KR940001391Y1 KR940001391Y1 (en) 1994-03-12

Family

ID=19279850

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880016052U KR940001391Y1 (en) 1988-09-30 1988-09-30 Pcm tone origination apparatus for electronic exchange

Country Status (1)

Country Link
KR (1) KR940001391Y1 (en)

Also Published As

Publication number Publication date
KR940001391Y1 (en) 1994-03-12

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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: 19990410

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee