JPS5264712U - - Google Patents
Info
- Publication number
- JPS5264712U JPS5264712U JP1976129478U JP12947876U JPS5264712U JP S5264712 U JPS5264712 U JP S5264712U JP 1976129478 U JP1976129478 U JP 1976129478U JP 12947876 U JP12947876 U JP 12947876U JP S5264712 U JPS5264712 U JP S5264712U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4902—Pulse width modulation; Pulse position modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
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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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61729A US3696210A (en) | 1970-08-06 | 1970-08-06 | Data transferring system utilizing a monitor channel and logic circuitry to assure secure data communication |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5264712U true JPS5264712U (ja) | 1977-05-13 |
JPS5344885Y2 JPS5344885Y2 (ja) | 1978-10-27 |
Family
ID=22037740
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5868371A Pending JPS47004301A (ja) | 1970-08-06 | 1971-08-05 | |
JP1976129478U Expired JPS5344885Y2 (ja) | 1970-08-06 | 1976-09-28 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5868371A Pending JPS47004301A (ja) | 1970-08-06 | 1971-08-05 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3696210A (ja) |
JP (2) | JPS47004301A (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2134980A5 (ja) * | 1971-04-21 | 1972-12-08 | Siemens Ag | |
US3962646A (en) * | 1972-09-07 | 1976-06-08 | Motorola, Inc. | Squelch circuit for a digital system |
JPS4959513A (ja) * | 1972-10-05 | 1974-06-10 | ||
US3909541A (en) * | 1974-03-11 | 1975-09-30 | Bell Telephone Labor Inc | Low-speed framing arrangement for a high-speed digital bitstream |
GB1501351A (en) * | 1975-02-07 | 1978-02-15 | Westinghouse Electric Corp | Protective relaying system |
US4032884A (en) * | 1976-02-24 | 1977-06-28 | The United States Of America As Represented By The Secretary Of The Army | Adaptive trunk data transmission system |
US5274837A (en) * | 1987-06-03 | 1993-12-28 | Ericsson Ge Mobile Communications Inc. | Trunked radio repeater system with multigroup calling feature |
US5125102A (en) * | 1987-06-03 | 1992-06-23 | Ericsson Ge Mobile Communications Inc. | Trunked radio repeater system including synchronization of a control channel and working channels |
US4903262A (en) * | 1987-08-14 | 1990-02-20 | General Electric Company | Hardware interface and protocol for a mobile radio transceiver |
US4905302A (en) * | 1987-06-03 | 1990-02-27 | General Electric Company | Trunked radio repeater system |
US4926496A (en) * | 1987-08-14 | 1990-05-15 | General Electric Company | Method and apparatus for infrequent radio users to simply obtain emergency assistance |
US4835731A (en) * | 1987-08-14 | 1989-05-30 | General Electric Company | Processor-to-processor communications protocol for a public service trunking system |
US4905234A (en) * | 1987-06-03 | 1990-02-27 | General Electric Company | Apparatus and method for transmitting digital data over a radio communications channel |
US5175866A (en) * | 1987-06-03 | 1992-12-29 | Ericcson Ge Mobile Communications Inc. | Fail-soft architecture for public trunking system |
US4939746A (en) * | 1987-06-03 | 1990-07-03 | General Electric Company | Trunked radio repeater system |
US4821292A (en) * | 1987-06-03 | 1989-04-11 | General Electric Company | Adaptive limiter/detector which changes time constant upon detection of dotting pattern |
US5274838A (en) * | 1987-06-03 | 1993-12-28 | Ericsson Ge Mobile Communications Inc. | Fail-soft architecture for public trunking system |
US5128930A (en) * | 1987-08-14 | 1992-07-07 | General Electric Company | Processor-to-processor communications protocol for a public service trunking system |
US5206863A (en) * | 1987-08-14 | 1993-04-27 | General Electric Company | Processor-to-processor communications protocol for a public service trunking system |
US5109543A (en) * | 1987-08-14 | 1992-04-28 | General Electric Company | Hardware interface and protocol for a mobile radio transceiver |
US5265093A (en) * | 1987-08-14 | 1993-11-23 | Ericsson Ge Mobile Communications Inc. | Hardware interface and protocol for a mobile radio transceiver |
US5086506A (en) * | 1987-08-14 | 1992-02-04 | General Electric Company | Radio trunking fault detection system with power output monitoring and on-air monitoring |
US5117501A (en) * | 1988-08-08 | 1992-05-26 | General Electric Company | Dynamic regrouping in a trunked radio communications system |
US5077828A (en) * | 1988-09-01 | 1991-12-31 | General Electric Company | RF channel expansion in a trunked radio communications system |
US5386424A (en) * | 1993-03-31 | 1995-01-31 | Honeywell, Inc. | Apparatus and method for transmitting information between dual redundant components utilizing four signal paths |
US6856687B2 (en) * | 1999-06-21 | 2005-02-15 | Copytele, Inc. | Portable telecommunication security device |
US7268690B2 (en) * | 2003-02-28 | 2007-09-11 | Cisco Technology, Inc. | Industrial ethernet switch |
US7277295B2 (en) * | 2003-02-28 | 2007-10-02 | Cisco Technology, Inc. | Industrial ethernet switch |
US7447147B2 (en) * | 2003-02-28 | 2008-11-04 | Cisco Technology, Inc. | Ethernet switch with configurable alarms |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3259695A (en) * | 1961-11-27 | 1966-07-05 | Nippon Electric Co | Malfunction monitoring of time-division multiplex pcm equipment |
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1970
- 1970-08-06 US US61729A patent/US3696210A/en not_active Expired - Lifetime
-
1971
- 1971-08-05 JP JP5868371A patent/JPS47004301A/ja active Pending
-
1976
- 1976-09-28 JP JP1976129478U patent/JPS5344885Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3696210A (en) | 1972-10-03 |
JPS5344885Y2 (ja) | 1978-10-27 |
JPS47004301A (ja) | 1972-03-02 |