Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
  • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
  • A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
  • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
  • A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
  • A01M29/18—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves using ultrasonic signals
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
  • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
  • A01M29/22—Scaring or repelling devices, e.g. bird-scaring apparatus using vibrations

Definitions

• the invention is a procedure and/or system which, in addition to vermin repelling, can be used in other purposes, too. It make? it possible to use the same components, structures, wiring etc. without any expensive extra equpiment. It can be used with security and sanitary systems, disco and sound systems and with different substances.
• the objective of this invention is to increase the safety level by applying the system so that it prevents harmful and dangerous events and also acts in real time situations. All the aspects mentioned here differ from the previously known.
• the procedure makes use of level surfaces to enlarge the sound range inside or outside the building.
• SOUND EMITTERS are placed in connection with a hard substance using the PLACING TECHNIQUE congenial to the procedure, the SOUND will disperse as far as possible with the desired effects.
• the basis of the PLACING TECHNIQUE congenial to the procedure is the orthoperspectra, an invention of Tapio Köykhim, a finnish inventor, for creating a depth image.
• the PLACING TECHNIQUE congenial to the procedure makes the sound to circulate and disperse evenly reach far and to effect in the desired way according to the patent application.
• the SOUND and/or SUBSTANCE have not reached difficult places as with the INSTALLATION TECHNIQUE described in the procedure.
• INSTALLATION TECHNIQUE congenial to the procedure expands the utility range and is a betterment in technical level.
• the SOUND and/or SUBSTANCE can be controlled in air or substance with pressure, fan etc. according to the physics law, which tells the SOUND dispersion in a substance.
• the PIPE made of hard material, amplifies the SOUND.
• THere can be a FAN attached to the PIPE.
• the material of the PIPE is free, as long as it leads SOUND better than air.
• the objective of the procedure is to create a system, which can be expanded to operate in preventing risks in land, air or water and inside or outside a building.
• the system must be operational at all times and must quickly adapt in changes of conditions.
• the sound signal produced by the system must be of such a nature, that the repelled animals do not get used to it in any case.
• the operation of the system should be different inside the building than outside the building
• the vermin inside the building can be of different species than those outside.
• vermin are arfaid of variating SOUND, which, at first, is high and then gets lower in frequency, to the most sensitive hearing area of the vermin, and at the same time rapidly gets louder, forming ar attacking sound.
• the pulse and decibel level grow at the same time the frequency changes. It is characteristic to this procedure to create such an opressive sound modulation, which varies inside the limits of the VARIABLE MODULATION, LONG PERIOD and SHORT PERIOD of times according to the patent application.
• this procedure and system can operate at all times and quckly adapt in changes of conditions.
• the system can keep flying pests away from the protected building, especially at day times.
• the operation can be enhanced according to the problem in the environment or the system can be expanded to accommodate other needs in the building.
• the procedure makes use of the physics law, which is about the SOUND radiation and/or pressure of a SUBSTANCE and/or mechanical vibration in different substances, and which can be calculated with a formula.
• the SOUND radiation in different intermediary substances is known from physics, but with the PLACING and INSTALLATION TECHNIQUES applied, a raise in technical level is obtained.
• the applications and extensive changes of the ADJUSTABLE MODULATION controlled by SWITCH and CLOCK also represent raises in technical level.
• the SWITCH can be replaced with a code lock or electric lock.
• the lockable control can be placed inside the housing to prevent abuse.
• the whole system can be placed in a lockable housing.
• the safety of any place or area can be enhanced, since using the procedure, the protected area can be any area in land, wter or air. By applying the procedure to airports and plane? the safety level of air transport can be enhanced.
• the SOUND can be lead to water with this procedure.
• the safety level of water transport can be enhanced by applying the procedure with a VALVE, for example in connection with a submarine or a power plant.
• the procedure and/or the system can be used with cold and/or hot, moving or stabile SUBSTANCE depending on the form of the system.
• a system congenial to the procedure can be equipped with constantly operative back-up battery in case of power cuts to increase the level of safety.
• the device's own battery can as well be used as a back-up power system.
• a device congenial to the procedure can also be attached to emergency exit or emergency lightning systems to prevent vermin from intruding even at exceptional times.
• the system can be used in vehicles, such as in a forklift system. It is characteristic to the procedure and system to include a PIPE, which can be shaped like the vermin's natural enemy, an owl or a hawk etc., on top of which there is a speaker module, which manually or mechanically is lifted up and which can be moved to obtain the desired results.
• the PIPE can be masked acccording to its form and the patent application. This makes the hygienic job easier and raises the level of safty according to the procedure and the system. Voltage normally varies in electrical systems.
• the battery in a forklift system usually provides about 45 V.
• the voltage of the system varies between 12 V to 45 V.
• the voltage can be reduced and changed suitable fotr the system by using one or more regulators. This is a betterment when considering the best operation of different parts of the system, good gain and it provides connections to back-up power systems according to the patent application.
• the procedure can be applied either manually or automatically as a vermin repellent and/ or a sound signal device in a moving vehicle, which needs protection.
• the use of the procedure can presume the use of a VALVE etc. when it comes to connection with a harmful substance, air humid air etc. This is not a limitation, but it increases safety in difficult conditions preventing damages caused by humidity etc., and expands the area of utilization.
• the procedure is a modern part of a building's, vehicle's or other units safety systems and risk control systems. With the procedure and system, other devices and system of a building can be affordably made to use the same parts and structures, wiring etc.
• INSTALLATION TECHNIQUE congenial to the procedure and system, means the use of a SOUND EMITTER and/or a FAN in connection with a PIPE and a VALVE.
• INSTALLATION TECHNIQUE also means the applying of the system to achieve the desired results.
• a VALVE may be used when there is no other way to get good results.
• ADJUSTABLE MODULATION means the output signal which is adjustable by a switch and is conducted to the SOUND EMITTERS.
• the ADJUSTABLE MODULATION comprises of the settings for lower limiting frequency, upper limiting frequency, changing speed of the sequence and the time between sequencies in limits of a SHORT PERIOD of time.
• the upper and lower frequencies can even be adjusted to be the same. It also includes LONG PERIODS produced by a CLOCK. The pulse and decibel level grow at the same time the frequency changes.
• the ADJUSTABLE MODULATION can still be made more versatile.
• BASIN can be any tank, basin etc, which is in land. water or air and is used according to the INSTALLATION TECHNIQUE of the procedure and system by means of PIPE, VALVE etc.
• CABLE means any existing conductive suitable for the purposes of this application according to the INSTALLATION and PLACING TECHNIQUES.
• CLOCK can be a digital clock. a timer, or an adjustable time switch, which is used for controlling the system in LONG PERIOD times.
• HEAD UNIT in this system, means a unit which comprises of a housing and printed board and which provides the output signal according to the ADJUSTABLE MODULATION.
• the HEAD UNIT contains one or more parts of the system.
• the SWITCH, CLOCK, RHYTHM CIRCUIT and TWITTER CIRCUIT a.o. can be located in the same housing with the HEAD UNIT.
• the HEAD UNIT has mechanisms for fastening the printed boards and other parts in its housing.
• the components of the HEAD UNIT can be in one or more housings.
• the HEAD UNIT can contain a computer.
• MACHINE can be any device, which is connected to the procedure and system by means of VALVE and/or FAN, according to the INSTALLATION TECHINQUE.
• VEHICLE is a device or machine, which moves or is temporarily still on land, air or water, and has electrical power outputs.
• the vehicle is used according to the INSTALLATION TECHNIQUE.
• VERMIN in this connection, means any living creature, animal, insect or such, towards which the protection of this system and/or procedure is aimed at.
• the application can also be entertaining, eg. when used in audio systems.
• SWITCH means, in this connection any switch, monitor or controller, which is used for adjusting the system's operation, the ADJUSTABLE MODULATION.
• the SWITCH can be mechanical, resistive, capasitive or inductive. It can be a choke coil, potentiometer, microphone or a CLOCK.
• the SWITCH can also be a censor, which reacts in changes of repelling conditions, such as temperature, moisture and light or a censor which reacts in movement.
• the SWITCH can be a combination of all the forms above. It is possible to remote control the SWITCH, it can be a transmitter or a receiver.
• the SWITCH can be located inside or outside the protected area.
• the SWITCH 1 is used according to the INSTALLATION TECHNIQUE.
• SHORT PERIOD of time means a time period between 0.6 seconds and 60 seconds, 6 minutes in maximum.
• LONG PERIOD means a time period of 6 minutes or longer. It can even be up to one year, depending on the form of the system.
• PIPE means any pipe used in connection with this system, single or complex, structure, flute or pipe system, which is made of a material with better sound or intermediary substance leading characteristics than air.
• PIPE can be hollow or solid, a bar, wire or cable.
• PIPE can also be a shape or structure, for example a space between two walls, which is used for better distribution of SOUND to the protected area. The shape, height, width or length of the PIPE are in no way restricted. It is possible to direct the PIPE in any direction.
• PIPE can contain liquids, gas, air, miscellaneous materials or any intermediary substance.
• One cr more parts of the system, such as SOUND EMITTER/s or VALVE/s can be attached to the pipe.
• PIPE can be pressurized, it can have a fixed or moving structure.
• the PIPE can contain an electrical and/or mechanical vibrator and/or a FAN.
• PIPE can be a structure, level or adjustment angle.
• the shapes of the PIPE are improvements in regard to previous systems.
• RHYTHM CIRCUIT is a circuit and/or a computer, which produces one or more rhythms, when it controls one or more RHYTHM CIRCUITS, CLOCK or some other module of the system.
• RHYTHM CIRCUIT gives a pulse to one or more amplifiers or devices with a SOUND EMITTER.
• PLACING TECHNIQUE means the placing of SOUND EMITTERS in connection with hard, sound bearing intermediary substance such as in ceiling, between ceiling and two walls or in corners of ceiling and walls, i.e. in connection with a PIPE, which can be directed in any direction, all according to the INSTALLATION TECHNIQUE.
• the aim is to get the dispersion and circulation of the SOUND in the protected area as good as possible.
• the sound emitter can be installed on the surface of the PIPE in any angle between 0 to 90 degrees. Normally the adjustment angle is from 20 to 45 degrees. From the SOUND EMITTERS, the sound is directed to the PIPE; walls, ceiling, floor and other spaces better than before. In this context, the ceiling can also be understood as the floor.
• TWITTER CIRCUIT means a circuit, which producer one or more sound-, rhythm- and/or twitter sequences.
• TWITTER CIRCUIT can, also, in. this connection, be a RHYTHM CIRCUIT.
• TWITTER CIRCUIT is used for producing a more accurate sound, which imitate? the voices of birds and vermin, like chirping. The system disable? communication between vermin by producing a sound more than 10 dE louder than their own. The sound is made higher with a SWITCH according to the circumstances to the upper limit of hearing, normally 5 - 50 KHz, according to the patent application.
• FAN is a machine, which is used in connection with a PIPE and VALVE, when the leading process of a SUBSTANCE is wished to be enhanced in terms of transferring electrical pulses into mechanical vibration, eg. heat in a more efficient and even way.
• the FAN is used with solid or non-solid substances, according to the patent application.
• the form of the FAN or machine is not limited in any way.
• PROTECTED AREA is any operation range inside or outside a building or a vehicle, created by means of PLACING and INSTALLATION TECHNIQUES. The desired effects are created by using eg. SOUND EMITTERS.
• SAFETY SYSTEM means a system for controlling and observing fire, burglars, heat, air, and water.
• a SAFETY SYSTEM can also include audio reproduction, disco etc., equipment.
• the operation range is determined by PLACING and INSTALLATION TECHNIQUES.
• EFFECT means the influence of PIPE, VALVE and FAN in connection with an intermediary substance according to the PLACING and INSTALLATION TECHNIQUES.
• VALVE is a unit connected to SOUND EMITTER or PIPE, which allows the movement of air or other substance away from the SOUND EMITTER.
• the VALVE can be attached to a speaker,
• VALVES depends on the size of the PIPE and SOUND EMITTER and on the usage of INSTALLATION TECHNIQUE.
• the VALVE can be operated electrically or mechanically.
• the size, shape and application of the VALVE congenial to the system are obvious to professionals.
• the VALVE allows more versatile use of the system, according to the
• SOUND means the sound produced by the SOUND EMITTERS of the procedure and system.
• the frequency varies between 50 Hz and 500 KHz, in other words it can be ultra sound or audible sound, depending on the application and/or the INSTALLATION and/or PLACING TECHNIQUE.
• INTERMEDIARY SUBSTANCE means any material, hard or soft, gas or liquid, to which the PLACING and/ or INSTALLATION TECHNIQUE is used.
• SOUND EMITTER can be a speaker, twin- electrode piezo electric crystal, a siren or any other sound source, to which the system can be connected and which emits SOUND.
• a siren means the radiation of a intensive SOUND, mainly in the hearing range of human, in a substance. All the parts of the system described earlier can be fixed or moving, compatible units and the are used according to the
• PICTURE 1 a The PLACING TECHNIQUE of the SOUND EMITTERS in a small area according to the invention. Three variations.
• PICTURE 1 b The PLACING TEHCNIQUE of the SOUND EMITTERS in a large area according to the invention. Three variations.
• PICTURE 3 The placing of the SOUND EMITTERS in buildings a, b according to the invention.
• PICTURE 4 A placing example for PIPE, VALVE, FAN, etc.
• Picture 1 a shows the PLACING TECHNIQUE of the SOUND EMITTERS in small protected area and l b in a larger area. Both pictures show three variations. In pictures 1 a and 1 b, the uppermost picture shows the placing of the SOUND EMITTERS, when the area is being viewed from the top. The lower picture shows the placing when viewed sideways.
• Picture 2 shows the system's schematic diagram. The parts of the basic system are connected to each other with a continuous line and the expansion parts with a dotted line.
• a system congenial to the procedure comprises of the following parts: SWITCH 1, HEAD UNIT 2, code lock 3, CLOCK 4, RHYTHM CIRCUIT 5, MAINS POWER UNIT and/ or RESERVE POWER SUPPLY 6, AMPLIFIER 7, SOUND EMITTER 8, PIPES 9 and 10, VALVE 11, FAN 12, MACHINE 13 and BASIN 14. There can be one or several of all the parts mentioned forming combinations of each other.
• a basic system congenial to the procedure comprises of SWITCH 1, HEAD UNIT 2 , mains power unit or reserve power supply 6, amplifier 7 and SOUND EMITTER 8. It represents the minimum assembly which can be used to achieve the effects.
• Picture 1 shows a basic system, which normally incorporates 1 to 4 SOUND EMITTERS, even though there can be more than 20 of them. The effects can be enhanced by using ISTALLATION and
• the ADJUSTABLE MODULATION can be set according to repelling and/or operating conditions.
• the objective of the adjustments of the MODULATION is to create an OUTPUT SIGNAL strong enough for the everchanging conditions of vermin repelling.
• the SOUND can be adjusted in the limits of the ADJUSTABLE MODULATION in order to obtain the best possible result in the protected area, automatically or mechanically.
• the SWITCH 1 can be any monitor or censor of movement, heat radiation, sound or light or a MICROPHONE, AMPLIFIER or a CHOKE COIL.
• SWITCH 1 can also be a magnetic switch, door switch or a movement- reacting door switch.
• it can be an LDR-resitor, which reacts in changes of the lightning, and replaces the day- night- switch allowing automatic adjustments of the MODULATION.
• SWITCH 1 sets the levels of signal and voltage.
• the voltage, which effects on the level of signal, is inside certain limits.
• SWITCH 1 can be used as Other monitors and censors, too, to adjust the MODULATION.
• a movement censor located near the door can adjust the SOUND so that people won't ge+ disturbed, as the person enters the range of the SWITCH 1 .
• the location height of the SOUND EMITTERS should be appropriate, normally when located near doors, so that the SOUND circulates unidirectional with the wall, with the field being across the door, slantwise, according to the PLACING TECHNIQUE. In this manner, it is possible to prevent most vermin from entering the protected area through open holes, doors.
• SWITCH 1 can change the system's ADJUSTABLE MODULATION in night or day settings.
• COMPUTER and/or CLOCK 4 can operate the SWITCH 1, according to drawings, when the system is used in spaces where people work during certain hours.
• the system congenial to the procedure is used fo producing SOUND to the protected area.
• the sound pressure level is 85 - 110 dB minimum.
• the pressure at the SOUND EMITTER is 130 - 155 dB. Since the versatile SOUND the system produces reaches to audible range and higher than previously in the ultra sound range, its applications are vaste. The mentioned decibel levels make the results better when compared to previous systems.
• the ADJUSTABLE MODULATION of the system can be, manually or automatically, set with SWITCH 1 or CLOCK 4 so that the SOUND changes between its upper and lower limiting frequencies, 50 Hz and 50 - 500 KHz according to the conditions .
• the frequency limits can freely be set inside these limits.
• the sequence and shape of the output signal and the time between output signal sequencies produced by the system can vary between extremely short and extremly long periods of time, according to the patent application. Normally, people can not hear ultra sound.
• the system congenial to the procedure car be adjusted in a manner, which makes it possible for people to hear the SOUND without expensive measuring equipment. This feature makes the installation easier, since the installator can check the range of the system by ear and make sure that the SOUND disperses evenly through the whole protected area.
• the lower limiting frequency setting can be made precisely.
• the lower limiting frequency can be set suitable for each species by SWITCH 1. In the day time the lower limiting frequency can be raised higher, in order to minimize the risks of ultra sound for the people inside the protected building. The lower limiting frequency can be lowered in order to repel flying birds. It is well known that even indviduals of the same species can sense sound with different reactions.
• RHYTHM CIRCUIT 5 By using a RHYTHM CIRCUIT 5 or a CLOCK 4, it is possible to get the ADJUSTABLE MODULATION more versatile than by only using SWITCH 1.
• the RHYTHM CIRCUIT 5 can change the sequence and the ratio between sequencies inside the limits of the system.
• CLOCK 4 can be used to control the RHYTHM CIRCUIT 5 and SWITCH 1 in the limits of LONG PERIOD, with on-off and/or on-on principles.
• the output signal can be pulsed on and off inside the limits of the procedure and system.
• the system can use a TWITTER CIRCUIT or some other circuit, which produces intensive varying SOUND according to the ADJUSTABLE MODULATION.
• RHYTHM CIRCUIT 5 or TWITTER CIRCUIT belongs in the patent and can be considered an improvement in technique according to the patent application.
• the system can be single part or multi part.
• a single part system contains only one housing, the HEAD UNIT 2
• the parts of the HEAD UNIT can be in their own separate housings and units, as later described.
• Single part devices usually are less powerful, meant to be used in small rooms.
• Multi part systems usually are more powerful and they make it possible to effectively proctect the area.
• a system congenial to the procedure can contain one or more HEAD UNITS, some of which operate the SOUND EMITTERS that are outside the building, in connection with a PIPE or a VEHICLE, some which are inside.
• One or more HEAD UNITS can be used in order to obtain greater power or to get different output signal to different speaker groups.
• the output signal can depend on the signals produced by the HEAD UNITS, the system can produce a multi part signal.
• the ouput signal can be conducted unchanged to all the speakers of the system, or it can be conducted to different speaker groups or other applications in different forms.
• SWITCH 1 which can be any monitor or controller, is used for controlling the ADJUSTABLE MODULATION .
• the ADJUSTABLE MODULATION can be set either automatically or manually.
• the system or a part of the system can be switched on and off by SWITCH 1.
• the system has one SOUND EMITTER at the minimum. It is possible to connect one or more extra SOUND EMITTERS in the system in series and/or in parallel, according to the patent application.
• the SOUND EMITTER 8 can be in a metallic enclosure, but it is not a good solution in damp conditions, where a plastic enclosure would be much better. Plastic does not corrode, it is easier to isolate electrically and does not demand grounding.
• a system congenial to the procedure makes use of the gain ratio of the SOUND EMITTERS B. It is controlled by voltage and the lenght, width, height and other shapes of the pulse signal, according to the patent application.
• SOUND EMITTERS 8 have different ratings for signal modulations and changes of signal and voltage.
• the system allows the use of different types of SOUND EMITTERS with better gain by using REGULATORS inside the limits of the SOUND EMITTERS, SWITCH 1, ADJUSTABLE MODULATION HEAD UNIT 2 etc. according to the PLACING and INSTALLATION TECHNIQUES.
• the system congenial to the procedure has one or more speakers or speaker line, into which the signal is conducted from one or more amplifiers or from some other part of the system.
• the enclosure of the SOUND EMITTER can be either air- or water proof, depending on the conditions of the protected area.
• An air proof enclosure offers air suspensioning for the speaker element.
• An air proof enclosure can be made with a VALVE and joints.
• the SOUND EMITTER can be placed inside the speaker enclosure or inside the PIPES 9 or 10, while the VALVE 1 1 is in connection with a pipe or a substance in the protected area.
• the size, shape, materials and counterpressure of the speaker enclosure are a matter of choise.
• the volume of the enclosure must be related to the size of the SOUND EMITTER.
• the enclosure's own reconance creates a change in the sound level, in other words, a yelping sound.
• a sealed enclosure uses the changes of air pressure as suspension.
• the use of a horn loaded enclosure raises the gain (30-60%)
• the cone of the speaker should be as large as possible in order to be able to move as large an amount of air as possible. Paper and plastic cones etc. are used in the speakers.
• SOUND EMITTERS which can form different patterns are placed, according to the system's PLACING TECHNIQUE, so that their sounds do not affect each other.
• two sounds aimed at each other form an acoustic short, in practise they attenuate each other.
• PLACING TECHNIQUE is important in acoustic point of view.
• Room acoustics ie. wall materials, room shape, the items stored in the room - set the placing points of the SOUND EMITTERS. The worse the acoustics, the larger range and effective area the system has.
• the SOUND EMITTERS are placed according to the PLACING TECHNIQUE in the corners of the room, an even circulation through the ceiling, walls, and/or other levels is obtained. This way, the SOUND reaches every spot in the protected area evenly, according to the patent application.
• the SOUND EMITTER can be attached to a wall or PIPE 9 and 10 in order to obtain the best possible SOUND dispersion. For example, the best results in repelling flying pests is obtained by placing the SOUND EMITTER 8 outside the doors, according to the PLACING TECHNIQUE.
• the SOUND EMITTER 8 can, at least in small rooms, be placed in the middle of the room.
• the operating sector of the SOUND EMITTER can be 120 - 180 degrees, even up to 360 degrees, depending on the system procedure and the room conditions.
• Speaker elements are usually made of material, which can easily be harmed by dampness. In the procedure, paper and plastic cone are used.
• VALVE 11 in front of the SOUND EMITTER 8, with PIPES 9 and 10 or without PIPES 9 and 10 enlarges the range and improves the durability of the system in damp and dusty conditions.
• the areas in which this may be used are mines, caves and factories, which want to make use of the system in many ways, according to the patent application.
• the connection between the SOUND EMITTER 8 and PIPES 9 and 10 has to be made air- and water proof where necessary.
• the sealing can be made by pressing, heating or using different sealing compounds. If PIPE 9 or 10 has a VALVE 11, it needs to be sealed, as well.
• the INSTALLATION TECHNIQUE makes use of all the heat, water and air conditioning and electrical equipment available. With the INSTALLATION TEHCNIQUE , damp places can be protected to prevent vermin and dangerous substances from entering to the protected area through sewer pipes. and other pipes.
• the system's parts included in the INSTALLATION TECHNIQUE can be placed under water or in similar conditions, if the connections between them are well sealed. They can be operated under cold or hot circumstances.
• VALVE 11 which opens mechanically or eletrically, can be placed anywhere in the PIPES 9 or 10 in order to lead SOUND in hard-to-reach places.
• the PIPES 9 and 10 can be pressurised.
• the VALVE 11 can be in either end of the PIPE, as long as the release direction of the VALVE 11 is the same with the direction of the SOUND.

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• Life Sciences & Earth Sciences (AREA)
• Birds (AREA)
• Engineering & Computer Science (AREA)
• Insects & Arthropods (AREA)
• Pest Control & Pesticides (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Catching Or Destruction (AREA)

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Cited By (1)

Citations (7)

• 1993
  • 1993-06-21 FI FI932878A patent/FI932878A/fi not_active Application Discontinuation
• 1994
  • 1994-06-21 AU AU74620/94A patent/AU7462094A/en not_active Abandoned
  • 1994-06-21 WO PCT/FI1994/000354 patent/WO1995000015A1/en active Search and Examination

Patent Citations (7)

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