KR100333556B1 - 키폰시스템의 용량 증가에 따른 전원보상장치 - Google Patents
키폰시스템의 용량 증가에 따른 전원보상장치 Download PDFInfo
- Publication number
- KR100333556B1 KR100333556B1 KR1019990049600A KR19990049600A KR100333556B1 KR 100333556 B1 KR100333556 B1 KR 100333556B1 KR 1019990049600 A KR1019990049600 A KR 1019990049600A KR 19990049600 A KR19990049600 A KR 19990049600A KR 100333556 B1 KR100333556 B1 KR 100333556B1
- Authority
- KR
- South Korea
- Prior art keywords
- power supply
- power
- slot
- supply voltage
- voltage
- Prior art date
Links
- 230000002238 attenuated effect Effects 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
- H04M3/546—Arrangements for diverting calls for one subscriber to another predetermined subscriber in private branch exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (1)
- 키폰시스템의 전원부로부터 다수의 슬롯(Slot)에 전원을 공급하는 전원전압 공급장치에 있어서:상기 다수의 슬롯중에서 상기 전원부로부터 중간 거리에 있는 슬롯의 감쇄된 전원 전압을 상기 전원부로 귀환시키는 귀환부와,상기 귀환된 전압에 대하여 소정의 전원 보상을 수행하는 전압증폭부 포함하여, 상기 중간 이후에 배치된 슬롯상에 안정된 전원을 공급함을 특징으로 하는 키폰시스템의 전원전압 공급장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990049600A KR100333556B1 (ko) | 1999-11-10 | 1999-11-10 | 키폰시스템의 용량 증가에 따른 전원보상장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990049600A KR100333556B1 (ko) | 1999-11-10 | 1999-11-10 | 키폰시스템의 용량 증가에 따른 전원보상장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010046026A KR20010046026A (ko) | 2001-06-05 |
KR100333556B1 true KR100333556B1 (ko) | 2002-04-22 |
Family
ID=19619321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990049600A KR100333556B1 (ko) | 1999-11-10 | 1999-11-10 | 키폰시스템의 용량 증가에 따른 전원보상장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100333556B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR880001114A (ko) * | 1986-06-07 | 1988-03-31 | 오오가 노리오 | 오프셋 자동 보정 a/d 변환회로 |
-
1999
- 1999-11-10 KR KR1019990049600A patent/KR100333556B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR880001114A (ko) * | 1986-06-07 | 1988-03-31 | 오오가 노리오 | 오프셋 자동 보정 a/d 변환회로 |
Also Published As
Publication number | Publication date |
---|---|
KR20010046026A (ko) | 2001-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU1292672A3 (ru) | Абонентска линейна цепь | |
ES8106387A1 (es) | Un aparato para regular la corriente suministrada a una li- nea telefonica | |
WO1995026128A3 (en) | Common mode compensation circuit | |
US7960958B2 (en) | Voltage regulator feedback protection method and apparatus | |
EP0272800A2 (en) | Active impedance line feed circuit | |
EP1224720B1 (en) | A simplified current share circuit | |
TW357475B (en) | Substrate power generation circuit | |
JPH0851495A (ja) | 直接電流供給される電話線側増幅器を有する変成器なしのハイブリッド回路 | |
KR100333556B1 (ko) | 키폰시스템의 용량 증가에 따른 전원보상장치 | |
EP0221519A2 (en) | Ringing application circuit | |
TW357270B (en) | Semiconductor assembled circuit stationery current testing method, semiconductor assembled circuit | |
KR100252729B1 (ko) | 디지탈루프전송시스템의루프상의신호와신호손실을자동으로조정하기위한회로및방법 | |
CA2076976A1 (en) | Private telephone system with simplified command feature | |
JP2628650B2 (ja) | 電話器 | |
US4723278A (en) | Voice circuit of telephone | |
US20020112086A1 (en) | Slaved supply for serial link, of master slave type | |
WO2001050473A3 (de) | Anordnung zur spannungsversorgung eines flüchtigen halbleiterspeichers | |
CN217904376U (zh) | 一种无源agc电路 | |
US20020141274A1 (en) | Voltage supply for semiconductor memory arrangement | |
CN217332600U (zh) | 电流采样电路、功率控制电路及电源系统 | |
EP0152178B1 (en) | Active impedance line feed circuit | |
JPS60142655A (ja) | 音声伝送回路 | |
DE3125105A1 (de) | Speiseschaltung in einem fernsprechapparat | |
US6728372B2 (en) | Wire bound telecommunications device and a power supply circuit | |
JPH02163997A (ja) | プリント板挿入形システム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19991110 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20010727 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20020308 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20020410 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20020411 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20050322 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20060317 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20070312 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20080306 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20090330 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20100329 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20110330 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20110330 Start annual number: 10 End annual number: 10 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |