Abstract: The objective of this invention is to provide an ultrasonic-wave transmitter/receiver fish-finder that stabilizes its balanced state while in water to transmit ultrasonic waves vertically downward, thus improving detection accuracy. The ultrasonic-wave transmitter/receiver 10 includes an ultrasonic transducer 21 that transmits and receives ultrasonic waves; a hanging-bell shaped case 50 that houses the ultrasonic transducer 21; and a cable 40 that suspends the case 50. A weight 81 is arranged above the ultrasonic transducer 21 provided at the bottom 54 of the case 50. In addition, the filler A1 is filled into the case 50 such that a cavity A2 is secured in the upper region of the case 50.

Abstract: A suction sampler system for in situ collection of deep-sea floor organisms includes a pressure-retaining cylinder, a pressure compensation device, a cone component, semiconductor refrigeration components, a circuit cylinder and a collection cylinder. Two ends of the pressure-retaining cylinder are respectively equipped with a first and second seal mechanisms, and the cone component is arranged in the pressure-retaining cylinder. The pressure compensation device is connected to the pressure-retaining cylinder through a high-pressure pipe. The semiconductor refrigeration components are arranged outside the pressure-retaining cylinder. The circuit cylinder is equipped with a power supply and a controller, and the semiconductor refrigeration components are connected to the controller. A pressure sensor and a temperature sensor are arranged inside the pressure-retaining cylinder, and respectively connected to the controller.

Abstract: An improved lure for attracting aquatic life, specifically crabs, that utilizes interchangeable sound cartridges. The improved lure utilizes a fully submersible portable unit that hoses all sound production components, including a speaker, and a power source. The improved lure may be configured for activation in low-light settings and for use in connection with traps.

Abstract: Certain types of fish respond differently to certain stimuli than other types of fish. Particularly, predetermined sound or vibration can cause certain types of fish to move away or jump. These reactions by particular types of fish can be used to capture the fish or prevent them from accessing parts of water systems. An exemplary capture mechanism employs multiple receptacles adapted to catch jumping fish from the air. An exemplary barrier of directed sound can prevent fish migration.

Abstract: A spool braking device of a fishing reel according to an embodiment of the present disclosure includes a spool rotatably mounted on a reel body on which a fishing line at one end of which a lure is attached is wound so as to be unwound, a spool brake that is provided on the spool and the reel body and that brakes the spool, and a spool braking force controller connected to the spool brake and capable of controlling a braking force by the spool brake, wherein the spool braking force controller is configured to change the braking force by the spool brake based on a set value of the braking force corresponding to the lure information.

Abstract: The invention relates to a system for controlling a hydrofoil boat comprising at least three static pressure or dynamic pressure and water speed sensors submerged in the water and located on the submerged hydrofoils of the boat, an electronic controller on the boat, an actuator for each one of the submerged hydrofoils able to change an angle of attack of its respective hydrofoil. The control system allows boats on hydrofoils to sail in a safe and comfortable way in any wave condition within the sailing limits of traditional boats.

Abstract: A fishing rod vibration system, including a mounting platform, a batter powered electronics system mounted on the mounting platform and including a motor controller and a user interface operably and electrically coupled to the motor controller, as well as a vibrator selectively and detachably coupled to the electronics system for receiving output signals from the motor controller. The vibrator includes a housing enclosing an electric motor, and vibrator mounting elements enable attachment of the vibrator to a fishing rod.

Abstract: A mollusc farming machine deploys a tillage assembly connected by a support frame to a vehicle platform. The vehicle platform enables the user to mechanically traverse the tillage assembly across an aquaculture harvesting area, digging into the earth of the harvesting area in order to harvest clams and other molluscs. An agitating mechanism causes reciprocal motion of the tillage assembly in order to break up the aquaculture earth as a tilling section of the tillage assembly is displaced at an angle through the earth, forcing the earth and any buried molluscs onto the tillage section. The agitating motion further serves to sift the earth by causing dirt, plant matter and other debris to fall through spaces between a plurality of sifting rods of the tilling section, leaving behind any molluscs previously buried within the earth to be collected by workers.

Abstract: Fishing lures are disclosed herein. One fishing lure, includes a body having a front portion and a back portion wherein the front and back portion are constructed and arranged such that at least one of the portions can move with respect to the other portion and an electromagnetic field generation system having a magnet and a coil of conductive wire wherein the wire has a contact at each end of the coil and wherein the magnet and the coil are separated from each other such that the magnet is located in either the front portion or back portion and the coil is located in the portion not containing the magnet.

Abstract: An electronic fishing lure. The fishing lure has a solar powered motor which is housed inside an echo chamber inside the lure. The echo chamber is slightly larger in size than the motor so that the motor (when energized) would rattle around inside the echo chamber, causing the lure to shake in the water and make a rattling noise in the water. This ripple action of the lure mimics something alive in the water.

Abstract: A process where materials are applied to a plastic fishing lure surface, producing a lure that possesses chromatic vicissitude as a result of water temperature fluctuations. A non-thermochromatic base layer of one or more colors is applied to the plastic fishing lure. This layer acts as the visual appearance of the fishing lure in the absence of temperature fluctuations. Clear extender is then used as an additive to the thermochromatic ink. This addition to the ink then allows the ink to be sprayed onto the surface of the lure. This ink-extender amalgam can be applied in multiple layers however the bottom layer must have the least amount of hue saturation. Each layer thereafter would increase in hue saturation. Multiple hue combinations can be utilized. Once the desired number of thermochromatic layers has been applied, an ultra-clear super high gloss lacquer finish is sprayed on to the exterior of all layers.

Abstract: A monitoring apparatus is disclosed herein. In various aspects, the monitoring apparatus includes a probe comprising a sensor to detect a condition within a water body, the sensor produces sensor data indicative of the condition within the water body. The probe includes a sound generator to propagates sound waves within the water body that communicate the sensor data from the probe, in various aspects. The monitoring apparatus includes an interface that is submersible within the water body, and the interface includes a receiver to receive the sound waves from the sound generator, in various aspects. A sleeve forms a portion of the interface and defines a sleeve passage, and a line passes slideably through the sleeve passage and is secured to the probe, in various aspects. The line cooperates with the interface and with the probe to orient the receiver and the sound generator with respect to one another to direct the sound waves from the sound generator to the receiver, in various aspects.

Abstract: A process where materials are applied to a fishing lure surface, producing a lure that possesses chromatic vicissitude as a result of water temperature fluctuations. A non-thermochromatic base layer of one or more colors is applied to the fishing lure. This layer acts as the visual appearance of the fishing lure in the absence of temperature fluctuations. Clear extender is then used as an additive to the thermochromatic ink. This addition to the ink then allows the ink to be sprayed onto the surface of the lure. This ink-extender amalgam can be applied in multiple layers however the bottom layer must have the least amount of hue saturation. Each layer thereafter would increase in hue saturation. Multiple hue combinations can be utilized. Once the desired number of thermochromatic layers has been applied, an ultra-clear super high gloss lacquer finish is sprayed on to the exterior of all layers.

Abstract: An improved electrofishing apparatus incorporates a system for generating the power transfer for a targeted fish species, a method for monitoring the power output of the electrofishing apparatus; a system to adjust the voltage, current, and frequency settings of the pulsator in the electrofisher in response to conductivity and temperature measurements.

Abstract: Various activity tracker and communication devices are presented. Such devices may include a processing unit and a battery unit. Such devices may also include a flexible band unit, that includes a first band and a second band that removably couple with each other and a component housing that defines a top window and a bottom window. In some embodiments, the battery unit may be inserted within a cavity defined by the component housing such that a top window permits the processing unit to be viewed when the processing unit is installed in the component housing, but the top window is sized to not permit the processing unit and the battery unit to be removed through the top window.

Abstract: An underwater electrocution device may be used by a diver as a weapon to electrocute sharks or other underwater predators. It has a frame that defines a watertight compartment to house a motor and a generator. The motor when activated runs the generator. The electric generator is connected to a ground plate in contact with the water when the device is being used. A power supply device, such as a battery, provides power to run the motor. A spear tip is made of an electrically conducting metal. A frangible cover over the spear tip electrically insulates the spear tip, and breaks upon impact to expose the spear tip. An electrical conducting wire is attached to the trailing end of the spear tip so as to electrically connect the spear tip to the terminal of the electric generator. A spear gun ejection mechanism may be included to shoot the spear tip.

Abstract: An electronic circuit in a fishing lure in the water is activated to broadcast a pre-recorded actual or simulated sound of a bait creature and or create lifelike bait creature motion. A switch in the lure activates a sound chip and a micro speaker, a water sensing automatic on-off switch turns the power on and off, and the battery is charged by an external charging coil. An alternate embodiment automatically activates the fishing lure device to replicate bait animals in size, shape, movement and sound.

Abstract: A metal fishing lure having the appearance, action and small electrical charge of an injured bait fish. The front portion is planar but the rear portion is curved, the curve characterized by a transverse bend and a slight twist about the longitudinal axis. The lure is precisely balanced so that, when pulled through the water, the twist causes the lure to roll x times clockwise, winding up the leader, whereupon the bend and the weight of the lure cause the leader to unwind then wind up counter-clockwise, so that the lure rolls counter-clockwise, settling into a reverses roll action of 2x rolls in one direction, then 2x rolls in the opposite direction, repeated indefinitely. This realistic action induces game fish to strike in a reaction bite.

Abstract: An electronic module in a fishing lure in the water is activated to broadcast a pre-recorded actual or simulated sound of a bait creature and or create lifelike bait creature motion. A switch in the module activates a sound chip and a micro speaker, a water sensing automatic on-off switch turns the power on and off, and the battery is charged by an external charging coil. An alternate embodiment automatically activates the fishing lure device to replicate bait animals in size, shape, movement and sound.

Abstract: According to aspects described herein, there is disclosed an apparatus for killing a soft tissue organism in a salt water environment. The apparatus includes an elongate tubular housing, a probe and a conductive element. The elongate tubular housing reaches from outside a salt water environment to at least a portion of a soft tissue organism disposed within the salt water environment. The elongate tubular housing includes a proximal end and a distal end. The probe targets the soft tissue organism, The probe protrudes from the distal end of the housing, wherein the probe is exposed to the salt water environment when the distal end is submerged therein. The conductive element is rigidly supported by the housing between the distal end and the proximal end. The conductive element is exposed to the salt water environment when the housing distal end is submerged therein.

Abstract: Devices and methods are disclosed for using materials with dissimilar galvanic potentials for altering the behavior of electro-sensitive organisms. This includes devices for mitigating elasmobranch bycatch in commercial and recreational fisheries.

Abstract: An electrofishing controller includes a power input, an output and a user interface for receiving configuration information from a user. The controller further includes control circuitry for receiving electric power from the power input, generating an electric waveform with characteristics defined by the configuration information, and communicating the electric waveform to the output. The control circuitry is configured to automatically adjust the electric waveform in response to changes in an electric load on the output, and to automatically restore the electric waveform when the electric load returns to a normal operating level. The control circuitry is further configured to automatically reconfigure a power circuit in response to changes in the configuration information received from the user, including changing physical connections between physical components of the power circuit.

Abstract: A bi-metal power supply fishing lure comprises a housing having a water-tight internal cavity, an exterior surface, a forward end and an aft end; an anode mounted into said exterior surface of said housing such that said anode is exposed to an electrolyte when said bi-metal power supply fishing lure is immersed in said electrolyte; a cathode mounted into said housing such that said anode is exposed to an electrolyte when said bi-metal power supply fishing lure is immersed in said electrolyte; an electronic assembly, mounted within said water-tight internal cavity of said housing, in electrical contact with said anode and said cathode thereby creating a galvanic cell when said bi-metal power supply fishing lure is immersed in said electrolyte, said electronic assembly designed and configured to generate, store, regulate and distribute electrical power; and a low-voltage direct current device.

Abstract: An inventive device for the handling and affecting the physiological state of an aquatic species with a pair of gloves, a multiplicity of electrodes, and a pulsator attached to the electrodes, so that when the pulsator is activated the current, alters the physiological state of the aquatic species.

Abstract: An electronic fishing lure that closes a circuit upon being submerged in water such that two distinct phases of operation are triggered. The first phase immediately begins once sensor pins protruding from the fishing lure casing detect that the fishing lure is submerged in water. This phase emits electronic impulse energy in a waveform that simulates an initial injury to a wounded living thing. The second phase then begins, which relates to a motor calibrated to cause vibrations that simulate the resulting distress and escape attempt of a living thing. The phases serve to attract predatory aquatic creatures toward the fishing lure.

Abstract: An electronic sound module in a fishing lure in the water is activated by a fisherman on the shore to broadcast a pre-recorded actual or simulated sound of a bait creature. In a preferred embodiment, a motion sensor in the sound module activates the sound chip and micro speaker when the fisherman tugs on the line, a water sensing automatic on-off switch turns the power on and off, and the battery is charged by an external charging coil. An alternate embodiment remote radio controlled robotic fishing lure device replicates bait animals in size, shape, movement and sound.

Abstract: Apparatuses and methods for attracting aquatic animals are provided. In one embodiment, an apparatus for attracting aquatic animals includes a submersible speaker adapted to emit a pre-recorded sound for attracting an aquatic animal. The pre-recorded sound includes tactile sound. The apparatus also includes a controller in communication with the submersible speaker. The controller is adapted to be coupled to an above-water portion of a boat. The controller includes a user interface comprising one or more user-selectable options. The controller is adapted to send a signal to the submersible speaker in response to detecting a selection of one of the user-selectable options, and the submersible speaker emits the pre-recorded, sound in response to receiving the signal.

Abstract: An electronic fishing device for facilitating trolling a fish-catching element in water and a related system, method, and use, the fishing device including: a first sensing element for obtaining a first indication relating to water temperature, a second sensing element for obtaining a second indication relating to the depth of the device, a steering member for adjusting the depth of the device, a processing unit for controlling, via the first and/or second indication provided by the first and second sensing elements, the steering member so as to guide the device relative to at least one element selected from the group consisting of: the position of the thermocline layer, a predetermined depth, and a predetermined temperature. In addition to fishing the disclosed device may be utilized in marine or other underwater research.

Abstract: An electronic sound module in a fishing lure in the water is activated by a fisherman on the shore to broadcast a pre-recorded actual or simulated sound of a bait creature. In a preferred embodiment, a motion sensor in the sound module activates the sound chip and micro speaker when the fisherman tugs on the line, a water sensing automatic on-off switch turns the power on and off, and the battery is charged by an external charging coil. An alternate embodiment remote radio controlled robotic fishing lure device replicates bait animals in size, shape, movement and sound.

Abstract: An electroshock wand for safely and humanely stunning and capturing aquatic creatures is provided. The electroshock wand has a body, an anode member, and a cathode member. The anode and cathode members are attached at or near the electroshock end of the body, with the anode and cathode members being axially spaced from one another. The anode and cathode members create an intense and localized electrical field between one another that momentarily stuns a target organism. The target organism, once stunned may then be collected. This device offers a nonlethal method of capturing invasive species and removing them from specific environments.

Abstract: A boat holding tank for anesthetizing fish is described having a pulsator, with the pulsator having an anode output and a cathode output; a holding tank capable of receiving an aquatic animal, the holding tank further comprising an anode probe and a cathode probe, with the anode cathode probe of the holding tank switchably connected to the anode and cathode output of the pulsator, such that when the pulsator is activated the aquatic animal in the holding tank is anesthetized.

Abstract: The inventive subject matter describes systems and methods for an improved mobile electrofishing apparatus. The improved electrofishing apparatus incorporates a control system to adjust the voltage, current, and frequency settings of the electrofisher in response to conductivity and temperature measurements in the water.

Abstract: Described herein is an apparatus for the entrainment of fish from seachests having an anode, a cathode, a support structure for the anode and cathode proximate to the hull of a ship, such that when an electric current passes from the anode to the cathode, fish are entrained from entering a seachest.

Abstract: An electric shock fishing lure apparatus includes a main housing body portion defining an interior area. A battery is positioned in the interior area. A conductive switch shaft is electrically connected to the battery and is situated in a distal end of the main body portion and movable between an extended configuration in which the switch shaft is energized by electrical current from the battery and a retracted configuration in which the switch shaft is not energized by current from the battery. A spring is coupled to the switch shaft and to the distal end of the housing for biasing the switch shaft toward the retracted configuration. A hook member is situated outside the interior area of the main housing body portion and operatively coupled to an outside end of the switch shaft, the electrically conductive hook member being energized when the switch shaft is at the extended configuration.

Abstract: Measures for controlling nuisance-carp populations include a harvest apparatus for harvesting not sub-surface fish but fish that leap out of the water proximate the harvest apparatus. Detectors detect when subsurface fish are within proximity of the effective range of the harvest apparatus and, when such are detected, a stimulus is applied which causes target fish like nuisance carp but not desirable fish to leap out of the water. When that happens, the harvest apparatus takes its toll on the leaping fish, harmlessly to the desirable fish which do not leap, and instead might flee from the stimulus by diving deeper.

Abstract: A method for dead stick fishing. The method includes casting a lure from a fishing rod to a selected spatial location in a body of water or slightly outside of the body of water. In a specific embodiment, the lure comprises at least a processor device coupled to a sound module and coupled to a lighting module. The method also includes allowing the lure settle and be substantially motionless state, e.g., laying with little or slight movement or suspended or floating with little or slight movement from the angler. The method includes transferring a combination of audio information and electromagnetic radiation from the lure to a region of water surrounding a vicinity of the lure to entice a predator fish to strike the lure while the lure is in the substantially motionless state.

Abstract: An electronic fishing lure that closes a circuit upon being submerged in water such that two distinct phases of operation are triggered. The first phase immediately begins once sensor pins protruding from the fishing lure casing detect that the fishing lure is submerged in water. This phase emits electronic impulse energy in a waveform that simulates an initial injury to a wounded living thing. The second phase then begins, which relates to a motor calibrated to cause vibrations that simulate the resulting distress and escape attempt of a living thing. The phases serve to attract predatory aquatic creatures toward the fishing lure.

Abstract: A top water fishing lure fashioned in the configuration of an insect is provided with vibration generation means embodied as a cartridge removably inserted in a watertight structure defining the lure body, operation of the vibration generation means the lure body producing vibrations which are replicated in the lure body, the body vibrations in turn transmitting to insect wing structure affixed to the lure body, the wing structure being caused to flex in manner as occurs when a live insect landed on the top water struggles to fly off th water surface, the components of the generation means being arranged in a piggyback array thereby enabling reduction in lure body size so as to better approach a size more like that of a live insect.

Abstract: The present invention relates to a fish strike signal that can selectively be placed in a storage position, a ready position or a deployed position. The signal has a main body with a storage ledge, a retainer and a pocket. A trigger is provided having a notch for engaging a segment of fishing line and having a kick-out post for deploying a signal. The kick-out post can be held with a pocket in the ready position. Rotation of the trigger caused by a strike forces the post from the pocket and causes the wire of the signal to clear a retainer on the side of the main body. A tension assembly is provided for adjusting the amount of force that is required to rotate the trigger. The post and a ledge holds the signal in place and the tensioner can be used to lock the signal in the storage position.

Abstract: A remote radio controlled robotic fishing lure device replicates bait animals in size, shape, movement and sound. A remote control signals a radio receiver inside the lure to activate a simple magnetic actuator to activate simulated bait animal extremity movement and/or sound.

Abstract: An electroshock wand for safely and humanely stunning and capturing aquatic creatures is provided. The electroshock wand has a body, an anode member, and a cathode member. The anode and cathode members are attached at or near the electroshock end of the body, with the anode and cathode members being axially spaced from one another. The anode and cathode members create an intense and localized electrical field between one another that momentarily stuns a target organism. The target organism, once stunned may then be collected. This device offers a nonlethal method of capturing invasive species and removing them from specific environments.

Abstract: A fishing lure including an illumination means; a body having walls defining a water tight cavity; a power source and a control circuit within the cavity connected to the illumination means. The control circuit controlling the supply of power to the illumination means such that light is emitted from the illumination means. The fishing lure is controllable via a remote control which can be used to select various operating modes such that the lure can produce any desired color, or pattern of colors, to emulate the body of a bait fish.

Abstract: An intelligent fishing tackle comprises a fishing line, a sinker module, a microprocessor system module and a hook module, in which the sinker module is connected on the fishing line and includes a camera module used for capturing a underwater image, the microprocessor system module judges a fishing object according to the underwater image and determines whether a control signal is generated, and the hook module is connected on the fishing line and switched to a fishing processing state according to the control signal. Whether to capture the fishing object can be judged directly under the water or the water image is transmitted to the shore for a rodster to decide whether to capture the fishing object.

Abstract: A programmable, customizable system, method, and apparatus for attracting and stimulating aquatic animals are disclosed. The present invention provides for the underwater playback of digitally prerecorded “signature” sounds of prey, and of prey being attacked and eaten, in order to attract fish and other species and stimulate them to strike and feed more aggressively. Playback is achieved by selecting any of a plurality of signature sound recordings stored on a memory device which is located and controlled above water. One sound, all sounds, or a selected sequence of sounds may be selected from the memory device to be played underwater. Underwater playback is achieved by use of a submersible transducer device which may function as both a speaker and a hydrophone. Underwater playback may be customized and controlled above water by providing a number of customized operational modes.

Abstract: An improved fishing lure which produces, transmits and modulates high frequency vibrations. The high frequency tone wire vibration is actuated upon impact of a striker against the wall of an essentially watertight housing. As the striker oscillates within the housing, high frequency vibrations and sound waves emanate from the tone wire. This invention also includes a noisemaker component specifically designed using a tone wire and a striker which can be incorporated into existing fishing lures.

Abstract: A pre-selected fish grazing system to enhance harvesting of such pre-selected fish from a body of water. The fish grazing system includes at least one conductor unit attached to a body of a pre-selected fish for acting as a guide for other preselected fish present in such body of water. A control device is disposed in such conductor unit for controlling a path the pre-selected fish is to follow. A predetermined number of buoys are strategically located in such body of water for sending communication signals to such at least one conductor unit attached to the body of the pre-selected fish to direct such pre-selected fish having such conductor unit attached thereto a desired location.

Abstract: Fishhooks (20), artificial lures (23, 35, 65, 67 and 91) or trailer rods (120) include both an anodic segment (25, 85 and 105) and a cathodic segment (27). The anodic and cathodic segments (25, 85, 105 and 27) are arranged so that immersion of fishhooks (20), artificial lures (23, 35, 65, 67 and 91) or trailer rods (120) in water establishes a galvanic cell that generates an electo-magnetic field which simulates the natural bioelectric field of living prey. A particularly preferred embodiment of the present invention interposes an insulated segment (29) between the anodic and cathodic segments (25, 85, 105 and 27) of fishhooks (20), artificial lures (23, 35, 65, 67 and 91). While galvanic action occurs between the anodic and cathodic segments, fishhooks (20) and artificial lures (23, 35, 65, 67 and 91) and trailer rods (120) in accordance with the present invention establish a constant, bioelectric simulating electromagnetic field.

Abstract: An audio fishing lure system for attracting fish using preselected audio content includes a fishing pole, a fishing line, a lure or hook, an audio source, an aural encoder, and an underwater transducer. Sound reproduced by the audio source, such as a radio, cassette player, or digital playback device, is electrically communicated to the encoder, which correspondingly generates sound waves that modulate the fishing line. The fishing line is optimized to serve as a transmission line. The audio information propagates along the fishing line, into the water, and to the transducer, where the mechanical waves are transformed to sound waves and transmitted into the water, thereby delivering sound to the region about the bait and attracting fish responsive to such content. Preferably, the audio source is provided with a selectable format of audio recordings of bait species having demonstrated or empirical attractiveness to target fish species.

Abstract: A control device for marine animals comprises an electrical device that applies an electrical voltage directly to a marine animal in order to shock the marine animal, for control thereof. The device preferably comprises a pole or rod having electrical prongs at one end which my be applied to the marine animal, thereby applying and electrical signal having a voltage, amperage and frequency that stuns and/or shocks the animal. The character of the electrical signal is such that the animal is temporarily paralyzed, so that it may be safely handled by humans for bringing it into a watercraft without otherwise damaging the animal.

Abstract: A downrigger apparatus to hold a fishing line at a selected fishing depth in game fish inhabited water, and a sound emitting device attached to the downrigger cable of the downrigger apparatus. The downrigger apparatus includes a reel and a downrigger cable spooled on the reel. The free end of the downrigger cable extends to a depth beyond the selected fishing depth. A downrigger weight is attached at the free end of the cable. A sound emitting device is attached to the downrigger cable and emits sounds attractive to the fish. Sound waves travel through the water a range extending beyond the visual range of the fish. Fish, although out of visual range of the lure, detect the sound and travel toward the source. The fish eventually comes in to visual range of the lure being trolled behind the fishing boat. The fish is attracted to and takes the lure. The sound emitting device can generate intermittent sounds.