The invention relates generally to an underwater ultraviolet light source and specifically to a disposable, self-sticking underwater ultraviolet light source used to attract fish and aid in recreational or commercial fishing. The invention has features that allow for extremely long shelf life, is easily activated and is low-cost. The invention describes and enables methods of easily attaching the underwater ultraviolet light source to artificial lures to increase the visibility of the lure to fish. Additionally, the invention describes and enables methods of using the underwater ultraviolet light source to increase the visibility of natural bait.
The typical recreational fisherman will charter a boat, join an excursion on a party-boat or fish from the shoreline. Often a significant investment is made in the fishing trip. A person will often take a day off from work in order to avoid the crowds, pay $100 to $200 for a party boat excursion (more for a chartered boat), rent tackle, buy bait, etc. An avid fisherman who owns his/her own boat and tackle still makes a significant investment in a fishing trip for fuel, time away from work, etc. Many times, the person will come home from a fishing trip with very few fish or no fish at all. While it may be true that a bad day at fishing is better than a good day at work, most people would like to be successful at catching fish on their fishing trip. Most people would be more than willing to spend a little extra money for a device that would increase their chances of catching fish and making their fishing trip more enjoyable and exciting.
Fishing from a boat often means fishing in deeper water where the fish concentrate. Unfortunately, the deeper water has a tendency to block the natural ultraviolet light from the sun. Fish use ultraviolet light reflection to locate their prey. For this reason, many artificial lures are made of materials and are colored to reflect more of the natural ultraviolet light underwater. The more ultraviolet light a lure or bait reflects, the more readily it is seen by a fish. Therefore, there is a need for creating an artificial ultraviolet light source near the bait or lure in order to make it more visible to fish. It would be advantageous if the ultraviolet light source was easily attached to someone's favorite lure and could be used with natural bait if desired. The invention described herein solves the problem of low natural ultraviolet light underwater with a low-cost, simple to use artificial ultraviolet light source.
The invention described below creates a self-sticking artificial ultraviolet light source using only two electrical components. The discharge rate while the unit is in its package before being activated is as low as the self-discharge rate of the battery. A battery is chosen that has a useful shelf life of several years. The invention is waterproof and can be used in either fresh or salt water. The artificial ultraviolet light source is easily activated once removed from the packaging.
An embodiment of an artificial ultraviolet light source is described. In the following description, numerous specific details are set forth. However, it is understood that embodiments may be practiced without these specific details. In other instances, well-known circuits, structures, and techniques have not been shown in detail in order not to obscure the understanding of this description.
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In the preferred embodiment of the invention, the battery 120 is a CR1220 coin type manganese lithium battery having a nominal voltage between 3.0 and 3.4 volts and the LED 125 is a light emitting diode that emits light in the 315-400 nm Wave Length of Light (UV A Spectrum) and has a forward voltage drop of approximately 3.0 volts. The combined capacity of the battery 120 and the forward voltage drop of the LED 125 will give the artificial ultraviolet light source 100 a useful operating life of several hours. In other embodiments of the invention, different battery and LED voltages can be used while remaining in the spirit and scope of the invention
The battery 120 attached to an ultraviolet light LED (Light Emitting Diode) 125 with the two wires 130 and 140 used to complete the circuit are encapsulated in an epoxy type material 110 that will allow the ultraviolet light to pass through. The two wires 130 and 140 connecting the LED and battery extend out of the encapsulation material 110 and are used to complete the circuit and activate the artificial ultraviolet light source 100 just before it is used. In the preferred embodiment of the invention, the two wires 130 and 140 are plated wires that have to be twisted together before sticking the artificial ultraviolet light source 100 to a lure or other part of the fishing tackle. In other embodiments of the invention, the two wires 130 and 140 are spring loaded contacts that are separated by a piece of insulation material while in the package. Removing the insulation material will complete the circuit by connecting wires 130 and 140 together. Other methods of completing the circuit, such as spring steel wires bent in opposite directions that could be hooked together have been contemplated.
Typically, the artificial ultraviolet light source 100 would be removed from its packaging, the two wires 130 and 140 would be twisted together, the peel-and-stick covering 150 would be removed and the artificial ultraviolet light source 100 would be pressed onto a lure.
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In view of the wide variety of permutations to the embodiments described herein, this detailed description is intended to be illustrative only, and should not be taken as limiting the scope of the invention. To illustrate, while operations have generally been described with reference to disposable, one-time use devices, embodiments are not so limited. For example, in an embodiment, the LED of the artificial ultraviolet light source can be powered by a rechargeable battery, which would make the device reusable. A relatively large value resistor would be connected in parallel with the diode to allow trickle charging of the internal battery, without shunting much current around the diode during use. In another embodiment, the LED of the artificial ultraviolet light source can be powered by a large value capacitor. Therefore, the specification and drawings are to be regarded in an illustrative rather than a restrictive sense.
This application claims the benefit of and priority to the following U.S. Provisional Patent Application No. 62/285,127 filed Oct. 19, 2015 which is incorporated herein by reference in its entirety.