KR930003996B1 - 주파수 자동조절 제어시스템 - Google Patents
주파수 자동조절 제어시스템 Download PDFInfo
- Publication number
- KR930003996B1 KR930003996B1 KR1019900009312A KR900009312A KR930003996B1 KR 930003996 B1 KR930003996 B1 KR 930003996B1 KR 1019900009312 A KR1019900009312 A KR 1019900009312A KR 900009312 A KR900009312 A KR 900009312A KR 930003996 B1 KR930003996 B1 KR 930003996B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- transmission
- unit
- lower limit
- microcomputer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
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- H02J13/1313—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
Landscapes
- Selective Calling Equipment (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (2)
- 교류전력라인(L11),(L22)을 통하여 입력되는 전송데이타의 중심주파수를 공진에 의해 전송하는 공진전송부(1)와, 이 공진전송부(1)의 전송데이타를 디지탈신호로 변환하여 마이컴(9)에 인가하는 반송파전송부(2)로 구성된 주파수 변환 시스템에 있어서, 상기 공진전송부(1)의 전송주파수를 정형화하여 출력하는 주파수검출부(3)와, 상한주파수 및 하한주파수를 각기 발생하여 출력하는 상한발진부(4) 및 하한발진부(5)와, 상기 주파수검출부(3)에서 출력되는 전송주파수를 상기 상, 하한발진부(4),(5)의 상, 하한주파수와 비교하여 그 비교결과신호를 상기 마이컴(9)에 인가하는 비교부(8)와, 상기 마이컴(9)의 저항값 설정 제어신호(CS)에 따라 저항값이 가변되어 상기 반송파전송부(2)의 전송주파수에 세팅시키는 저항가변부(10)를 포함하여 구성된 것을 특징으로 하는 주파수 자동조절 제어시스템.
- 제1항에 있어서, 상기 비교부(8)는 주파수검출부(3)에서 출력되는 전송주파수를 상하발진부(4)의 상한주파수 및 하한발진부(5)의 하한주파수와 각기 비교하여, 그 비교결과신호를 각기 마이컴(9)에 판별제어신호로 인가하는 위상비교기(6),(7)로 구성하여 된 것을 특징으로 하는 주파수 자동조절 제어시스템.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900009312A KR930003996B1 (ko) | 1990-06-22 | 1990-06-22 | 주파수 자동조절 제어시스템 |
| US07/718,267 US5155466A (en) | 1990-06-22 | 1991-06-20 | Automatic frequency control system |
| JP3150454A JPH0831817B2 (ja) | 1990-06-22 | 1991-06-21 | 周波数自動調節制御システム |
| DE4120548A DE4120548C2 (de) | 1990-06-22 | 1991-06-21 | Automatisches Frequenzsteuersystem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900009312A KR930003996B1 (ko) | 1990-06-22 | 1990-06-22 | 주파수 자동조절 제어시스템 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920001857A KR920001857A (ko) | 1992-01-30 |
| KR930003996B1 true KR930003996B1 (ko) | 1993-05-19 |
Family
ID=19300433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900009312A Expired - Fee Related KR930003996B1 (ko) | 1990-06-22 | 1990-06-22 | 주파수 자동조절 제어시스템 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5155466A (ko) |
| JP (1) | JPH0831817B2 (ko) |
| KR (1) | KR930003996B1 (ko) |
| DE (1) | DE4120548C2 (ko) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5491715A (en) * | 1993-06-28 | 1996-02-13 | Texas Instruments Deutschland Gmbh | Automatic antenna tuning method and circuit |
| US5391932A (en) * | 1993-07-20 | 1995-02-21 | Echelon Corporation | Source power coupler |
| WO1995024661A1 (en) * | 1994-03-10 | 1995-09-14 | Farnsworth David F | An infrasonic frequency resonant circuit and method for use thereof |
| JPH07264009A (ja) * | 1994-03-16 | 1995-10-13 | Kenji Harada | 自動周波数制御装置 |
| US5818821A (en) | 1994-12-30 | 1998-10-06 | Intelogis, Inc. | Universal lan power line carrier repeater system and method |
| DE19515681A1 (de) * | 1995-04-28 | 1996-10-31 | Sel Alcatel Ag | Verfahren, System und Teilnehmereinrichtung zum manipulationssicheren Trennen von Nachrichtenströmen |
| US5949832A (en) * | 1996-03-26 | 1999-09-07 | Sicom, Inc. | Digital receiver with tunable analog filter and method therefor |
| US6055435A (en) | 1997-10-16 | 2000-04-25 | Phonex Corporation | Wireless telephone connection surge suppressor |
| US5970127A (en) | 1997-10-16 | 1999-10-19 | Phonex Corporation | Caller identification system for wireless phone jacks and wireless modem jacks |
| US6107912A (en) | 1997-12-08 | 2000-08-22 | Phonex Corporation | Wireless modem jack |
| US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
| US6246868B1 (en) | 1998-08-14 | 2001-06-12 | Phonex Corporation | Conversion and distribution of incoming wireless telephone signals using the power line |
| US6243571B1 (en) | 1998-09-21 | 2001-06-05 | Phonex Corporation | Method and system for distribution of wireless signals for increased wireless coverage using power lines |
| US6549616B1 (en) | 2000-03-20 | 2003-04-15 | Serconet Ltd. | Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets |
| US6842459B1 (en) | 2000-04-19 | 2005-01-11 | Serconet Ltd. | Network combining wired and non-wired segments |
| KR20020093415A (ko) * | 2001-06-08 | 2002-12-16 | 박병규 | 주파수 자동 제어 방법 |
| IL152824A (en) | 2002-11-13 | 2012-05-31 | Mosaid Technologies Inc | A socket that can be connected to and the network that uses it |
| IL160417A (en) | 2004-02-16 | 2011-04-28 | Mosaid Technologies Inc | Unit added to the outlet |
| US7873058B2 (en) | 2004-11-08 | 2011-01-18 | Mosaid Technologies Incorporated | Outlet with analog signal adapter, a method for use thereof and a network using said outlet |
| DE102012208454A1 (de) | 2012-05-21 | 2013-11-21 | Robert Bosch Gmbh | Konditionierungsvorrichtung und Verfahren zum zum Konditionieren eines Datenkanals einer Zelle eines elektrischen Energiespeichers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60207461A (ja) * | 1984-03-29 | 1985-10-19 | Toshiba Corp | 変換装置の制御装置 |
| DE3428845A1 (de) * | 1984-08-04 | 1986-02-06 | Robert Bosch Gmbh, 7000 Stuttgart | Durch binaere datensignale modulierbarer hochfrequenzsender |
| US4644320A (en) * | 1984-09-14 | 1987-02-17 | Carr R Stephen | Home energy monitoring and control system |
| US4628443A (en) * | 1984-11-16 | 1986-12-09 | General Electric Company | Test initiating apparatus for appliances having self-diagnostic testing capability |
| JPS63180294A (ja) * | 1987-01-22 | 1988-07-25 | Man Design Kk | 測定デ−タ送信装置 |
| JP2925158B2 (ja) * | 1988-07-29 | 1999-07-28 | 株式会社東芝 | 変調器および送信器 |
| US4908600A (en) * | 1988-04-11 | 1990-03-13 | Cooper Industries, Inc. | Narrow band synchronized radio communication and alarm system |
| JPH082038B2 (ja) * | 1988-10-18 | 1996-01-10 | 大崎電気工業株式会社 | 搬送信号送受信方法 |
-
1990
- 1990-06-22 KR KR1019900009312A patent/KR930003996B1/ko not_active Expired - Fee Related
-
1991
- 1991-06-20 US US07/718,267 patent/US5155466A/en not_active Expired - Lifetime
- 1991-06-21 DE DE4120548A patent/DE4120548C2/de not_active Expired - Fee Related
- 1991-06-21 JP JP3150454A patent/JPH0831817B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5155466A (en) | 1992-10-13 |
| DE4120548A1 (de) | 1992-01-09 |
| JPH04233337A (ja) | 1992-08-21 |
| DE4120548C2 (de) | 1996-05-23 |
| KR920001857A (ko) | 1992-01-30 |
| JPH0831817B2 (ja) | 1996-03-27 |
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