Archive for June 30th, 2011

posted by davek123 on Jun 30

The frequency of a garage door opener is as good as that used by huge chunk of radio systems, say pentagon officials. The radio signals emit such high frequency that it even undermines the frequency of the door opener at times. Most people with such garage doors have to look for a solution or at times even pay to get it fixed

The manufacturers’ group advises the consumers so opt for a manual repair of the door that will burn their pockets by $60 As high as $120 will be the cost of getting the door fixed by a professional It also requires the consumer to understand the problem in detail. In most cases, people replace the battery and the opener in case it doesn’t work

As much as $200 can be the pre installation cost of a brand new opener. Contemplating the effect if all this, different opinions have been gathered by government an industry personnel respectively. The effect of the frequency is being termed as limited by the government however, the industry personnel differ and demand for more details.

Refuting the fears of the industry, personnel from the National Telecommunications department stated that it’s only spread across a small radius The starting of the system causes the maximum trouble

To ensure least effect, users are advised to try opening the door after some time only Since the effect of these waves is only visible around 10 miles of the base, it isn’t causing too much trouble For a distance of as far as 50 miles, there can be interferences pertaining to these waves The chief information officer claimed that the radio sets at the base have similar frequency with close to 50 million garage door openers.

Being locked out of the door could be a possibility for those who have houses around the base and fail to carry the keys. It has been years since these military radios have been using the radios at a frequency of 350 megahertz It’s been close to 30 years only since openers are in use at such a frequency.

As per the law only devices that do not cause interferences are permitted to run on this kind of frequency. Operation of door openers becomes easy at such high frequency as it ensures easy transmission.

The issue of interferences was not very prevalent as military did not make much use of it. The communications are least likely to be affected by garage door openers due to their low power.

Since there are simultaneous commercial as well as military signals send at the same frequency, it often leads to disturbances. Communication devices are inevitable and the number will only increase The reason for increased usage of high frequency radio sets can be traced back to the arising need of fast and efficient communications for military.

As high as 125 bases have a similar frequency to that of garage door openers. To facilitate emergency communication and networking, the radio sets are also being employed at Fort Hamilton and Walter Reed center.

Dept. of commerce, the Defense dept. and even Federal communications are already in the process of working on the same.

The chances of interferences are already being communicated by the base commanders. As an easy and convenient solution to the transmission issues, military can opt for a better frequency Interferences can also be avoided if door openers start operating on higher or lower frequency.

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posted by tommygreene09 on Jun 30

The term “electrosurgery” refers to the application of electric current in conjunction with surgical tools to either cut, desiccate, or coagulate tissue within a patient. The procedure is one that is highly respected for its ability to make clean cuts and perform various tasks with minimal damage to the patient.

This technique is utilized every day during operations in order to precisely get an effect with minimal damage occurring to the patient. Historically speaking, damages incurred by surgical applications have been a cause of injury and death, because of the basic way that the procedure works.

When looked at objectively, surgery is the art of causing harm in order to remove harm. The body naturally does not respond well to being cut open and having elements removed from it.

While science and the understanding of the process and the body have come a long way since then, the fact remains that some elements have proven to be harmful to some patient, not matter what it done. Of particular note are the scalpels and other implements used to open up patients for work.

While medical science has produced incredibly fine and sharp blades that are able to make precise cuts with a minimum of interference from other sources, these blades still cause enough damage to the body that potential issues may arise. Better options are sometimes needed.

Indeed, the medical establishment has even gravitated toward ultra-sharp obsidian blades to further enhance the overall effect. While even finer and more precise than other elements, even these blades still cause damage to the body with their application.

Electrosurgery works by using alternating current to heat target tissue areas. As the equipment works, it helps to destroy small blood vessels in the path and coagulates the tissue in order to prevent bleeding from occurring.

The equipment itself includes an electrosurgery generator and a specialized hand piece that has electrodes attached to it. This hand piece is used as the knife in the operation, but using current to do what tangible instruments would have had to do in the past.

The equipment can also be modified with different settings to get different results. Based on the frequency and power of the current being run through the equipment, different results can be expected from the hand piece.

As stated, the equipment often functions as a tool for very precise cutting. Since the equipment naturally coagulates along the path of direction, medical professionals can perform operations without having to worry about bleeding or other obstructions.

Instead, the area can be clamped open, with the person guiding in the hand piece in a very smooth and controlled matter. The current produced can be dialed in so that it effectively targets negative things found in the body, while causing an absolute minimum of damage to the body.

As stated, the equipment can be modified using the setting to address different concerns. For example, low intensity settings can be used to coagulate areas and stop blood loss, if necessary.

Higher settings can be used to desiccate an area, usually utilized in cases below the skin where something needs to be burned out. While not as powerful as cutting, such a function allows the professional to remove something at a fairly low power level.

A higher setting can be used to create an arc between the tissue and the equipment, so that a surface area has the energy play over it. All of these possible options have relevancy and application in the medical field.

The versatility of the equipment is one of its greatest overalls strengths. As it can be used for several purposes based on the situation at hand, the professional using it is able to adapt on the spot rather than having to introduce a new element.

Electrosurgery stands as a medical technique for the future due to the innovative aspects of it and the minimal impact that is had on patients. As time goes on, techniques and procedures will only become more streamlined and effective in nature.

One can expect that with medical and technological advancement, the procedure will become even more effective and efficient in nature. With the future will likely come a wave of safe procedures that allow for strategic elimination of negative elements with minimal impact on the person.

Tommy Greene has worked in surgical equipment sales for the past 15 years. He has great advice and information on an Electrosurgical Unit.

Contact Info:
Tommy Greene
TommyGreene09@gmail.com
http://www.megadyne.com/