the origin of logo design abroad can be traced back to the Roman and ancient Greek periods in the 4th-5th century BC, when people began to make Sichuan logo. In the Q cave of ancient Egypt, vessels engraved with signs and tombs painted with branded livestock were found. During the prosperous period of Roman civilization, the site used early trademarks, masons' signs of Stan buildings and graphic logo design of pottery. Such a record can be found in one of its most Fjk "Chronological Economic Archives". In the mid-12th century, the coat of arms mounted in Europe was the main means to distinguish the true identity wrapped in heavy armor. With the development of I-question, heraldry has been standardized as a systematic symbol of pattern color and hereditary symbol, indicating its lineage and position in the family. It has formed and built a set of design norms. Up to now, we can still see traces of the coat of arms in some designs. Flower pledge is also a sign in ancient Europe, which is mainly a way of signing, and usually adopts a simple way to express the identity of the appraiser. Because most people couldn't read at that time, the way to spend money was to change it visually and then express the meaning concisely. After the 12th century, Zhongyin's papermaking wood spread to Europe, and there were also records of papermaking in Italy and Spain. The early watermark logo (Figure 22-24) appeared on the paper produced in Polonia in 1282. The watermark was realized by imprinting a transparent and permanent watermark during the paper manufacturing process. This way, if the production of high-quality paper makes its own logo appear in the final production, 11 (paper) knives. Watermark not only proves the brand of origin, but also has a piece to show the function of quality and size. With the rise of printing, book publishing developed rapidly in Europe. Early books did not have any logo until 1457, when the publisher logo appeared and 11 issues of books were published.

After the 13th century, European commerce developed, and in the widespread use of trademarks. Manufacturing signs and commercial signs have been distinguished. In Europe, there is also a kind of commercial seal to distinguish the members of supervisory guild and company (Figure 25-26). Some industries register the seal and protect it by law. And powerful businessmen use exclusive signs one after another, which can ensure the clear ownership of goods and achieve the purpose of promoting themselves. This commercial imprint is not taken from the ancient inscriptions in northern Europe, and is decorated with concise lines. It is said that these words have some mysterious symbolic meanings. Since then, the European commercial economy has continued to develop and expand, and commercial guilds have formulated their own guild signs in order to maintain control over guilds, their members and apprentices. At this time, the use of trademarks not only represents the level of technology and materials used, but also includes the obligation to resist foreign products and illegal sales. In 1266, the code made by British prisoners contained the contents of the rules about trademarks. ?