"Things change stars to move a few degrees in autumn." In the history of CT, Elscint (Ellson), Picker (Pick), Marconi (Marconi) have been the brand of the ears. "Devices and sinks" sorted out the changes of these CT brands according to the timeline, for friends to read. Elscint history of change Established in 1969 Elscint was founded as a subsidiary of Elron's Note 1 in 1969 and received a $250,000 start-up investment from Elron. Its founder, Avraham Suhami, is a member of the Israel Institute of Technology (Technion) Note 2 Professor of Nuclear Physics. The first medical imaging device developed by Elscint was a nuclear medicine camera that was used to detect cancer but failed commercially. At that time, there were only a few hundred such devices in the global market. Elscint sold for $800/set, and soon found that the profit was too low, so it quickly adjusted its direction and entered the field of medical imaging equipment. Subsequently, Elscint developed VDP1, a linear gamma scanning device used to track radioisotopes in the body. At $25,000, the product is the world's first digital imaging product . VDP1 enabled Elscint to achieve commercial success for the first time, achieving $1 million in sales. When the device was exhibited at the Los Angeles trade show, it attracted the attention of medical imaging leader GE . Note 1: Elron is a technology investment company. Note 2 : The Technion of Israel enjoys the reputation of “MIT MIT in Israel†and is the same as the Massachusetts Institute of Technology and Imperial College of England. Einstein served as the first president of the school association. Cooperation with GE in 1971 In 1971, Elscint and GE signed an exclusive distribution agreement in North America, which also prompted Elscint to rapidly expand its technology and production capacity. NASDAQ listed in 1972 In 1972, in order to promote its products to global markets outside North America, Elscint opened its first international sales subsidiary in Belgium . In the same year, Elscint was listed on NASDAQ and became the first Israeli company to be listed on NASDAQ. CT appeared in 1977 By the mid-1970s, Elscint's gamma scanning equipment and other equipment had sales of $12 million and profits below $400,000. In 1975, founder Suhami decided to move the company direction to a whole new field. At this time, the computerized tomography technology invented by British EMI in the early 1970s became a major breakthrough in medical imaging technology. Elscint spent two years developing CT equipment and finally went on sale in 1977 . The heyday of the 1980s Elscint's sales have since grown steadily, from $21 million in 1979 to $42 million in 1981. In 1981, Elscint acquired Pfizer's CT business , when Elscint had provided more than 100 CT equipment to hospitals and research institutions around the world. By 1983, Elscint had sales of $ 132 million and a net profit of $12.6 million . Its factories and R&D facilities have more than 3,000 employees in Boston, England, Paris, Milan, Jerusalem, and Haifa. And Chicago. In the first half of the 1980s, Elscint acquired several other companies and expanded its product line to include nuclear cameras, ultrasound, digital and traditional X-ray equipment, covering all areas of medical imaging. In the mid-1980s, Elscint's market share increased from 3% to 10% . In addition, in the face of the latest breakthrough in medical imaging at the time - magnetic resonance imaging system, Elscint also began to develop its own products. The first multi-layer CT "Twin" in 1996 In 1996, Elscint invented the world's first multi-layer CT , named "Twin" . This system can acquire two images each time the rack rotates, which was not possible with other CT devices in the world at the time. After Twin, Elscint hopes to take it to the next level and develop a four-layer system , but this requires a new rack design. In order to gain time, Elscint decided to sell the design of the multilayer detector to Siemens in exchange for their rack and inspection bed technology. This allowed Siemens to enter the multi-layer CT market, while Elscint shortened the time to market. This device is called VolumeX. But VolumeX is not in production. Elscint has been sold to Picker and GE when everything is finally ready. Acquisition in 1990 In 1990, most of Elscint's shares were acquired by Elbit Computers, a sister company of Elscint and a subsidiary of Elron. Separation in 1996 In 1996, Elbit Computers was split into three separate companies, one of which Elbit Medical Imaging became the holding company of Elscint . Sold to GE and Picker in 1998 In September 1998, Elbit announced that it would sell Elscint to GE in Milwaukee, USA and Picker International in Cleveland, and has signed separate agreements. GE has agreed to acquire Elscint's nuclear medicine and magnetic resonance imaging divisions for $100 million, while Picker will acquire Haifa's CT business for $275 million. These transactions were completed in November of the same year. Elscint's CT division generated $91.3 million in sales revenue (excluding services) in 1997, accounting for 42% of total product sales. It is estimated that the acquisition of Elscint will give Picker a 20% share of the global CT market. At the same time, Elscint introduced Select/SP in the low-end market, a compact spiral scanning system that is relatively inexpensive and particularly suitable for the developing markets that Picker is developing . After the acquisition of Elscint, Picker will also take over the CT cooperation business between Elscint and Siemens , and expand the partnership with Siemens to Picker's own CT products. Previously, Siemens has been supplying Elscint with its ultra-fast ceramic (UFC) detectors and sub-second imaging components. If PICKER products are added, the production at the Siemens plant will double. In addition, the multi-layer technology that Elscint has been providing to Siemens has also been turned to Picker. Picker history 1915 In 1915, pharmacist James Picker founded James Picker Co. in New York City to provide sales and services for X-ray equipment and supplies. 1921 In 1921, James Picker renamed the company Picker X-Ray Corp. (Picker X-Ray Corp.). 1929 In 1929, Picker X-Ray acquired the X-ray manufacturing facility in New York. 1930 In 1930, Picker X-Ray established a second factory in Cleveland to develop and produce a variety of new X-ray equipment. 1936 In 1936, as the business expanded, Picker X-Ray expanded its production site and established the Waite X-Ray Corp.-Waite Manufacturing Division Inc. During World War II, Picker X-Ray was the only company that produced mobile field X-ray equipment for the Allies. 1946 In 1946, Picker X-Ray moved the manufacturing operations in New York to Cleveland and in the 1950s set up the Picker Instruments Division. In the same year, Dunmore Dunk and Zed. J. Atlee in Chicago, created the company when the legislation (Dunmore Dunk and Zed. J. Atlee ), producing high-quality X-ray tube and special-purpose bulb. 1958 In 1958, Picker's overall business was sold to CIT Financial Group, when Picker X-ray had sales of $41.5 million and had 700 employees. 1959 In 1959, Picker X-ray established a new research center and established a nuclear medicine division. 1967 In 1967, Picker X-ray changed its name to Picker Corporation to reflect its diversification. In the same year, Picker acquired Dangli . in 1980 In 1980, in the 1970s, CIT Financial Group sold Picker to RCA in 1980 due to the decline in business volume. 1981 In 1981, Picker was again sold to GEC (General Electric Co. of England) Note 3 . Note 3 : General Electric Company of the United Kingdom, referred to as GEC, is not the same thing as General Electric of the United States. The GEC was formed by the merger of Marconi Radio, British Electric, and General Electric of the United Kingdom. In 1999, it was renamed Marconi. 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