GB2299471A - A pulse generator for electric fences - Google Patents
A pulse generator for electric fencesInfo
- Publication number
- GB2299471A GB2299471A GB9609375A GB9609375A GB2299471A GB 2299471 A GB2299471 A GB 2299471A GB 9609375 A GB9609375 A GB 9609375A GB 9609375 A GB9609375 A GB 9609375A GB 2299471 A GB2299471 A GB 2299471A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- pulse
- switch
- inductor
- circuit
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/80—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
- H05C1/00—Circuits or apparatus for generating electric shock effects
- H05C1/04—Circuits or apparatus for generating electric shock effects providing pulse voltages
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Electrotherapy Devices (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
A circuit (700) for an electric fence energiser (examples are 6 or 24 Joule versions) which synthesises a pulse having a raised cosine waveforrn at a first or bus voltage uses a ferrite-cored output transformer (701) to multiply the voltage of the pulse to the required level. A raised cosine waveform has a low harmonic content and little filtering of highpower pulses is required in order to minimise electromagnetic emissions. On closure of a switch (707) in series with an inductor (705), a first capacitor bank (703) commerces charging a second smaller capacitor bank (704) in parallel with the output primary, and after the peak of the pulse any remaining charge is dissipated in a resistor (708) with the aid of a saturable inductor (702), acting as a switch. The saturable inductor may be the output transformer itself for lower output energisers. The output exhibits little or any reversal of polarity when matched to its load. The circuit may also be useful for applications such as strobe flashers in aircraft.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ250037A NZ250037A (en) | 1993-10-22 | 1993-10-22 | Electric fence energiser circuit with controlled pulse shape |
NZ25097094 | 1994-02-24 | ||
PCT/NZ1994/000113 WO1995011550A1 (en) | 1993-10-22 | 1994-10-18 | A pulse generator for electric fences |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9609375D0 GB9609375D0 (en) | 1996-07-10 |
GB2299471A true GB2299471A (en) | 1996-10-02 |
GB2299471B GB2299471B (en) | 1998-06-03 |
Family
ID=26651246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9609375A Expired - Fee Related GB2299471B (en) | 1993-10-22 | 1994-10-18 | A pulse generator for electric fences |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU703132B2 (en) |
GB (1) | GB2299471B (en) |
WO (1) | WO1995011550A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6020658A (en) * | 1995-05-12 | 2000-02-01 | Stafix Electric Fencing Ltd. | Electric fence energizer |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ526109A (en) * | 2003-05-26 | 2006-09-29 | Auckland Uniservices Ltd | Parallel-tuned pick-up system with multiple voltage outputs |
NZ572826A (en) * | 2008-11-13 | 2010-05-28 | Gallagher Group Ltd | Electric fence energiser |
RU2666459C1 (en) * | 2015-10-26 | 2018-09-07 | Публичное акционерное общество "Долгопрудненское научно-производственное предприятие" | Pulse discriminator of arbitrary form into short rectangular ones |
CN109757977B (en) * | 2018-12-29 | 2021-06-04 | 九阳股份有限公司 | Electric heating kettle |
RU2708937C1 (en) * | 2019-05-08 | 2019-12-12 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Inductive pulse generator |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443839A (en) * | 1980-12-23 | 1984-04-17 | Tokyo Shibaura Denki Kabushiki Kaisha | Single ended, separately driven, resonant DC-DC converter |
US4561046A (en) * | 1983-12-22 | 1985-12-24 | Gte Automatic Electric Incorporated | Single transistor forward converter with lossless magnetic core reset and snubber network |
US4675796A (en) * | 1985-05-17 | 1987-06-23 | Veeco Instruments, Inc. | High switching frequency converter auxiliary magnetic winding and snubber circuit |
US4859868A (en) * | 1986-07-04 | 1989-08-22 | Gallagher Electronics Limited | Electric fence energizer |
GB2261779A (en) * | 1991-11-20 | 1993-05-26 | Tokyo Electric Co Ltd | AC-DC-AC converter, particularly for fluorescent lamps |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU493016A1 (en) * | 1972-10-09 | 1975-11-25 | Предприятие П/Я Р-6047 | The converter of the unipolar signal to the multipole |
SU729369A1 (en) * | 1977-05-13 | 1980-04-25 | Государственный Проектно-Конструкторский И Научно-Исследовательский Институт По Автоматизации Угольной Промышленности | Vane-to-platform connection assembly |
SU1705916A1 (en) * | 1989-08-04 | 1992-01-15 | Институт Аналитического Приборостроения Научно-Технического Объединения Ан Ссср | Method of initiation of spark discharge in mass-spectrometric spark ion source and mass-spectrometric spark source of ions |
-
1994
- 1994-10-18 WO PCT/NZ1994/000113 patent/WO1995011550A1/en active Application Filing
- 1994-10-18 AU AU80063/94A patent/AU703132B2/en not_active Ceased
- 1994-10-18 GB GB9609375A patent/GB2299471B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4443839A (en) * | 1980-12-23 | 1984-04-17 | Tokyo Shibaura Denki Kabushiki Kaisha | Single ended, separately driven, resonant DC-DC converter |
US4561046A (en) * | 1983-12-22 | 1985-12-24 | Gte Automatic Electric Incorporated | Single transistor forward converter with lossless magnetic core reset and snubber network |
US4675796A (en) * | 1985-05-17 | 1987-06-23 | Veeco Instruments, Inc. | High switching frequency converter auxiliary magnetic winding and snubber circuit |
US4859868A (en) * | 1986-07-04 | 1989-08-22 | Gallagher Electronics Limited | Electric fence energizer |
GB2261779A (en) * | 1991-11-20 | 1993-05-26 | Tokyo Electric Co Ltd | AC-DC-AC converter, particularly for fluorescent lamps |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6020658A (en) * | 1995-05-12 | 2000-02-01 | Stafix Electric Fencing Ltd. | Electric fence energizer |
Also Published As
Publication number | Publication date |
---|---|
WO1995011550A1 (en) | 1995-04-27 |
GB2299471B (en) | 1998-06-03 |
GB9609375D0 (en) | 1996-07-10 |
AU8006394A (en) | 1995-05-08 |
AU703132B2 (en) | 1999-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20121018 |