KR870011806A - Supply method of call signal and called signal of simple switching device - Google Patents
Supply method of call signal and called signal of simple switching device Download PDFInfo
- Publication number
- KR870011806A KR870011806A KR1019860003473A KR860003473A KR870011806A KR 870011806 A KR870011806 A KR 870011806A KR 1019860003473 A KR1019860003473 A KR 1019860003473A KR 860003473 A KR860003473 A KR 860003473A KR 870011806 A KR870011806 A KR 870011806A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- call signal
- switching device
- called
- call
- Prior art date
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)
- Facsimiles In General (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제3도는 본 발명에 의한 호출신호와 피호출신호의 공급계통도이다.3 is a supply system diagram of a call signal and a called signal according to the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860003473A KR890003189B1 (en) | 1986-05-01 | 1986-05-01 | Ringing system in automatic or semi automatic exchanges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860003473A KR890003189B1 (en) | 1986-05-01 | 1986-05-01 | Ringing system in automatic or semi automatic exchanges |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870011806A true KR870011806A (en) | 1987-12-26 |
KR890003189B1 KR890003189B1 (en) | 1989-08-25 |
Family
ID=19249782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860003473A KR890003189B1 (en) | 1986-05-01 | 1986-05-01 | Ringing system in automatic or semi automatic exchanges |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890003189B1 (en) |
-
1986
- 1986-05-01 KR KR1019860003473A patent/KR890003189B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890003189B1 (en) | 1989-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19941220 Year of fee payment: 7 |
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LAPS | Lapse due to unpaid annual fee |