KR920022730A - 3-pin Morse Ringer - Google Patents
3-pin Morse Ringer Download PDFInfo
- Publication number
- KR920022730A KR920022730A KR1019910009087A KR910009087A KR920022730A KR 920022730 A KR920022730 A KR 920022730A KR 1019910009087 A KR1019910009087 A KR 1019910009087A KR 910009087 A KR910009087 A KR 910009087A KR 920022730 A KR920022730 A KR 920022730A
- Authority
- KR
- South Korea
- Prior art keywords
- pin
- ringer
- morse
- voltage
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (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 본 발명 3핀 MOS형 링거의 블럭도,2 is a block diagram of a 3-pin MOS ringer of the present invention;
제3도는 전압 히스테리시스 법위 신호 발생회로와 변형된 MOS형 신호기의 전압 제어회로의 블럭도,3 is a block diagram of a voltage hysteresis law signal generating circuit and a voltage control circuit of a modified MOS type signal generator;
제5도는 본 발명 3핀 MOS형 링거의 실시예,5 is an embodiment of the 3-pin MOS ringer of the present invention,
제6도는 본 발명의 동작 타이밍 다이어그램.6 is an operation timing diagram of the present invention.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910009087A KR940009769B1 (en) | 1991-05-31 | 1991-05-31 | Three-pin mos type ringer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910009087A KR940009769B1 (en) | 1991-05-31 | 1991-05-31 | Three-pin mos type ringer |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920022730A true KR920022730A (en) | 1992-12-19 |
KR940009769B1 KR940009769B1 (en) | 1994-10-17 |
Family
ID=19315313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910009087A KR940009769B1 (en) | 1991-05-31 | 1991-05-31 | Three-pin mos type ringer |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940009769B1 (en) |
-
1991
- 1991-05-31 KR KR1019910009087A patent/KR940009769B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940009769B1 (en) | 1994-10-17 |
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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: 20010906 Year of fee payment: 8 |
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LAPS | Lapse due to unpaid annual fee |