电子秤的市场分析英文文献.doc

ELECTRONICS2004,22-24SeptemberElectronic Scale Industry Analysis Market OverviewSozopol,BULGARIAIstvan Sztojanov-Member IEEE,Sever Pasca Member IEEE Dapartment of Applied Electronics and Infornation Engineering,University POLITEHNICA of BucharestAbstract:While technology features evolved, the newer as well as better products have emerged and has made popular impacts in the human society. Some of these devices tend to be simple around nature and several are more complicated than the mediocre ones. Electronic weighing scale has become the simpler devices that played a distinct role in many corners of our lifestyles.Keyswords: Electronic Scale,Market OverviewWeighing scales were invented during the historical times. It is believed that the first weighing balance was used in the Mesopotamia Civilization in 4000 BC A weighing scale was the very basic need of any barter system in recent times. Few simple techniques evolved as units of measurement became popular. A weighing scale served the basic function of compare the masses of two objects or two different goods during the old ages. The first weighing scale was made of wood and it was actually a weighing balance. It consisted of two wooden containers to keep the goods in them and both these containers were connected to each other through a wire or iron rod. Now the goods were put in the containers and the balanced weight was achieved when both the containers rested at the same level.Scale is the weight of an object weighing apparatus, widely used in industry, agriculture, commerce, scientific research, medical and health departments. Scale according to structural principle can be divided into mechanical scales, electronic scales, mechanical and electrical integration weighing three categories. Mechanical weighing scales and spring balance is divided into levers. Divided by end use, mainly scales, steelyard, which scales, platform scales, land in the scale, ground scale, rail scale, belt scales, postal scales, crane scale, batching scales and pocket scales and so on.With the beginning of the trade era, need of an accurate weighing balance became very vital. The first- ever weighing balance of the modern times was built and designed by the great artist Leonardo Da Vinci in the late 15th century. People started making certain innovations and in 1770, Richard Salter, a British citizen designed his first spring balance to measure small and medium objects. 68 years later, after numerous modifications and improvements, he patented his spring balance in 1838.After that, the new generation of the spring scales came into picture. It was known as strain balances, which consisted of a strain gauge and measured the electrical resistance caused by the object to be weighed. These spring balances were far better than their predecessors were and they had more accuracy and less scope of error. In 1897, first indicating scale of the history was built.The indicating scales appeared in 1940 and since then, the electronically designed weighing balances are ruling the market. Be it on the industrial scale or the domestic level, electronic scales have grabbed the market from tip to toe. The most interesting thing of the history of the weighing balances is that we still have to weigh the mass against a standard and there is no fixed rule to set the weight of that standard object. Assumptions govern the weighing balances and accuracy is just a belief. However, modern electronic weighing balances are capable of confirming this belief to a great extent, as they have very less scope of error and can give precise results up to five decimal places.Electronic weighing instrument generally refers to the weighing apparatus equipped with electronic devices. Measuring scale or weighing scales are considered to be the best tool of measuring industry which helps in measuring the mass or weight of an object or subject in the precise manner. Nowadays scales have become a necessity tool of personal and commercial area as they are being used in several ways to measure innumerable objects ranging from small to big in size. Because of its wide range, and related to trade settlement and protect the interests of consumers, so the governments of the world wide concern and attention, and is identified as a national mandatory administration of legal metrology instruments. Electronic weighing instrument is an automated weighing control and trade an important means of measurement, to strengthen enterprise management, strict production, trade settlement, transportation, port measurement and scientific research have played an important role.The electronic scale came into play in the late nineteen eighties. It was largely used for industrial measuring like in the case of chemical production. It had been around since the late nineteen fifties but really became popular in the nineteen eighties as a reliable way of measuring solid weight. It is now favored as a way to measure weight in the home and in health care providers across the world. We all like using gadgets that make our lives easier and simpler. From the moment man invented the wheel, people began to see how inventions and ideas could be put to practical use to save time and energy even when doing the most mundane tasks. Although, not in the same class as reinventing the wheel, digital electronic scales have certainly proven that they have benefits over those old analog scales of the past.Electronic Scale with a fast response, wide measurement range, a wide range of applications, simple structure, the use of convenient operation, easy computer control and so on. Has been widely used in coal, petroleum, chemical, electric power, light industry, metallurgy, mining, transportation, ports, construction, machinery manufacturing, and defense and other fields. An electronic bathroom scale is usually a sleek, stylish and elegant one. Rather than proving to be an eyesore that ought to be hidden, these scales make the owners proud to expose and show. Rather than keeping these scales in the bathroom, one may feel proud to keep these scales even in the living room. With a nice background light that makes viewing the display easier in the darkness, these scales improve the decor of the room almost to a level of aristocracy. And the great-looking scales are all affordable, driven by the stiff competition among the manufacturers.Electronic scales are very accurate. They work by the use of pressure plates. They usually require a source of power. This can be through electrical outlets or through the use of batteries. Traditional weight balance scales used a known weight (which is the balance weights) uses a comparison to weigh what is put on the scale. Electronic models are more accurate because they do not use a comparison method they use the precious plate to detect the amount of weight. The scale is set to zero and the user steps on the scale and the weight is measured. The weight is than displayed on a digital screen.Electronic digital scales have become so convenient and easy to read that they are used in almost any industry where knowing the weight of something is important. Post offices, banks, jewelry shops and the food industry all use small digital scales while many manufacturing companies use huge floor models. These scales have proven themselves to be accurate and easy to read and use, making them a convenient choice whenever you need to measure weight.While technology features evolved, the newer as well as better products have emerged and has made popular impacts in the human society. Some of these devices tend to be simple around nature and several are more complicated than the mediocre ones. Electronic weighing scale has become the simpler devices that played a distinct role in many corners of our lifestyles.Modern weighing machine are utilized everywhere nowadays. The old analog hardware scales tend to be quickly replaced by these modern scales. People have a preference for digital scales because of their clarity in addition to accuracy. The particular scales run electronically and automatically. They work with electrical present boards that produce an accurate reading in the objects weight immediately. Anybody can simply get the numbers on the board instead of trying to understand what the needle is actually pointing to. Obviously that scope regarding error to modern scales is extremely limited.Just a latest weighing device can even connect directly to the computer and the items weight could perspective by people all over the world. These latest weighing studying device are capable of display effect precisely, it can make people quick to continue reading the displayed information plus they are used almost every industries. An ordinary bathroom weighing scales may say what the full body weight is. Yet to some latest analyzing scales, itll explain to you this number connected with unwanted weight you having.Electronic scales are just what the expert suggests. They will measure an objects volume or weight then record it to data format. Weighing machines are expected to provide very appropriate and sharp measurements. In addition, these types of scales operate upon battery power, they are really affordable. You will need some lithium battery power to make sure your device works. Electronic weighing equipment have grown helpful due to it fast reading submitter. This is a simple system to make use of with everyday life.Electronic weighing scales as opposed to mechanical purposes. Human use of machinery weighing several thousand years of history, while the electronic weighing of modern electronic technology will be integrated into this ageold appliance, making the development of scales to obtain a brand new space. Electronic weighing technology that contains the main program control, group control, telex print records, screen displays, the promotion of electronic scales to the intelligent, sensitive Chinese direction. Of modern technology to make electronic weighing scales into the development of the industry focus.There are many ways of weighing all kinds of products but in the last couple of decades, this technology has really improved in leaps and bounds. Indeed, everything from electronic scales to industrial scales have been regulated to such a degree that no one is left wondering if they are right or not.Before these newer machines hit the market, getting goods weighed precisely was a little bit hit and miss. Indeed, commodities like fruit and vegetables would have to be changed or swapped around until an accurate weight was found. Although there was always a slight anomaly in the weights, it was often the store keeper who lost out on the deal. This was because if he had twenty customers all buying the same product, all the tiny amounts that he was giving away added up over time and he would have to accept this loss.From the new accurate machines came weigh stations which gauge how heavy a truck is and what the load is that he is carrying. This may not sound like much but most roads have a limit on what they can carry. If overweight trucks come through then the road is damaged beyond repair so this is really done to penalize those who insist on carrying things too heavy.In the same way, pharmaceutical goods which are to be given to patients will also have to be weighed extremely accurately since an over or under dose could have detrimental effects on the patient. Indeed, so accurate are these machines that any deviation from the norm means that each load will be discarded if tablets or capsules that are not within specified limits. Too many faults and out goes the whole lot for incineration.The great thing about having this kind of machine these days is that we can pick up only the goods that we need and nothing more. We could never just pick up one tomato or one apple in the past but nowadays we can do just that. Indeed, so accurate are these machines that they also print out all the information on bar coded tags which do not even need a person to read them. They simply pass over a sensor at the checkout and away we go.Finally, although these machines are great, it is important to buy them from a good manufacturer who only uses the best materials. They are rather expensive pieces of machinery and they last for years so getting a good set up may be the best thing that anyone could do.50 the infiltration of the midelectronic technology to promote the development of the manufacturing secto