KR880008102A - Tone-provided time switches with separate channels removed from time-sharing exchanges - Google Patents
Tone-provided time switches with separate channels removed from time-sharing exchanges Download PDFInfo
- Publication number
- KR880008102A KR880008102A KR860011680A KR860011680A KR880008102A KR 880008102 A KR880008102 A KR 880008102A KR 860011680 A KR860011680 A KR 860011680A KR 860011680 A KR860011680 A KR 860011680A KR 880008102 A KR880008102 A KR 880008102A
- Authority
- KR
- South Korea
- Prior art keywords
- ram
- counter
- latching
- latch
- tone
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제2도는 종래 톤서비스시 타임스위치 회로도.2 is a time switch circuit diagram of a conventional tone service.
제3도는 본 발명의 타임스위치 원리도.3 is a time switch principle diagram of the present invention.
제4도는 본 발명에 따른 톤서비스 타임스위치 회로도.4 is a tone service time switch circuit diagram according to the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860011680A KR900005161B1 (en) | 1986-12-31 | 1986-12-31 | Tone supply system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019860011680A KR900005161B1 (en) | 1986-12-31 | 1986-12-31 | Tone supply system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880008102A true KR880008102A (en) | 1988-08-30 |
KR900005161B1 KR900005161B1 (en) | 1990-07-20 |
Family
ID=19254668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860011680A KR900005161B1 (en) | 1986-12-31 | 1986-12-31 | Tone supply system |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900005161B1 (en) |
-
1986
- 1986-12-31 KR KR1019860011680A patent/KR900005161B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900005161B1 (en) | 1990-07-20 |
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G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
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Payment date: 20060616 Year of fee payment: 17 |
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