GB2005118B - Generating signal currents in ac power lines - Google Patents
Generating signal currents in ac power linesInfo
- Publication number
- GB2005118B GB2005118B GB7838795A GB7838795A GB2005118B GB 2005118 B GB2005118 B GB 2005118B GB 7838795 A GB7838795 A GB 7838795A GB 7838795 A GB7838795 A GB 7838795A GB 2005118 B GB2005118 B GB 2005118B
- Authority
- GB
- United Kingdom
- Prior art keywords
- power lines
- generating signal
- signal currents
- currents
- generating
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/542—Methods of transmitting or receiving signals via power distribution lines using zero crossing information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7838795A GB2005118B (en) | 1977-07-07 | 1978-09-29 | Generating signal currents in ac power lines |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2861377 | 1977-07-07 | ||
GB7838795A GB2005118B (en) | 1977-07-07 | 1978-09-29 | Generating signal currents in ac power lines |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2005118A GB2005118A (en) | 1979-04-11 |
GB2005118B true GB2005118B (en) | 1982-01-06 |
Family
ID=26259481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7838795A Expired GB2005118B (en) | 1977-07-07 | 1978-09-29 | Generating signal currents in ac power lines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2005118B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8575779B2 (en) | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US9030045B2 (en) | 2011-01-23 | 2015-05-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
US9312726B2 (en) | 2011-01-23 | 2016-04-12 | Alpha Technologies Inc. | Uninterruptible power supplies for use in a distributed network |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0018334B1 (en) * | 1979-04-12 | 1983-09-21 | Handelsbolaget Light Regulation | Apparatus for transmitting information on an alternating current line |
US5739595A (en) * | 1992-10-28 | 1998-04-14 | Alpha Technologies, Inc. | Apparatus and methods for generating an AC power signal for cable tv distribution systems |
US5410720A (en) * | 1992-10-28 | 1995-04-25 | Alpha Technologies | Apparatus and methods for generating an AC power signal for cable TV distribution systems |
US5642002A (en) * | 1993-10-29 | 1997-06-24 | Alpha Technologies | Apparatus and methods for generating uninterruptible AC power signals |
US5532525A (en) * | 1994-06-02 | 1996-07-02 | Albar, Inc. | Congeneration power system |
CA2168520C (en) * | 1995-02-22 | 2003-04-08 | Fereydoun Mekanik | Inverter/charger circuit for uninterruptible power supplies |
AU2016321418A1 (en) | 2015-09-13 | 2018-04-05 | Alpha Technologies Services, Inc. | Power control systems and methods |
US10381867B1 (en) | 2015-10-16 | 2019-08-13 | Alpha Technologeis Services, Inc. | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies |
WO2019014682A1 (en) | 2017-07-14 | 2019-01-17 | Alpha Technologies Inc. | Voltage regulated ac power supply systems and methods |
-
1978
- 1978-09-29 GB GB7838795A patent/GB2005118B/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8575779B2 (en) | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
US9030045B2 (en) | 2011-01-23 | 2015-05-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
US9312726B2 (en) | 2011-01-23 | 2016-04-12 | Alpha Technologies Inc. | Uninterruptible power supplies for use in a distributed network |
US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
Also Published As
Publication number | Publication date |
---|---|
GB2005118A (en) | 1979-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940929 |