By Marc J. de Vries, Marc J. Vries
On account that global struggle I, the Natuurkundig Laboratorium has been a very important heart of business learn for Philips, one of many world’s biggest electronics businesses. during this examine, Marc J. de Vries demonstrates how the background of the laboratory will help us comprehend vital alterations within the creation and makes use of of expertise within the 20th century. Breaking their learn into 3 classes, every one characterised through diversified learn ambitions and techniques, the authors increase this basic historical past with distinctive case reports. the end result can be of price to somebody learning the historical past and philosophy of know-how.
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Additional info for 80 Years of Research at the Philips Natuurkundig Laboratorium (1914-1994): The Role of the Nat. Lab. at Philips
Comparison of the tuned radio frequency (straight) radio receiver and the super-heterodyne (super-het). The super-het uses a fixed intermediate frequency (usually around 460 kHz) for the stages providing most of the amplification. This eliminates most of the problems of tracking tuneable circuits and allows band-pass circuits to be used (from Garratt 1976, Vol. 2, p. 85). Lab. was active in supporting the technological realisation of the company’s decision. ’s research programme. An important step forward was to be found in the chromium-iron melting technique, developed in 1923 by Holst and Bouwers.
Would come up with the necessary improvements, and so it started to look for an alternative. Lab. design. g. in the case of the X-ray tubes). Lab. design. Lab. design, the ‘Sevenstar’, started being produced. Another improvement was the moving coil system (invented by Rice and Kellog in 1924), which was given the nickname ‘Meesterzanger’ (‘Master singer’). For this, contrary to what was common in those days, a permanent magnet was used namely an electromagnet. The success of these permanent magnets could be attributed to the materials research that had yielded a new type of steel, Ticonal.
Started investigating the system. Vermeulen worked on the film transport mechanism, Van Urk designed the electromagnetic drive for the cutter, W. Six, an electrical engineer who had joined the lab in 1927, developed a special amplifier, A. J. Lab. 42 In 1936 a high quality functioning system was presented in Paris and it was the BBC in England that was the first to order Philips-Miller equipment. 43 After WWII it soon became evident that magnetic recording systems would beat the Philips-Miller system onto the market.
80 Years of Research at the Philips Natuurkundig Laboratorium (1914-1994): The Role of the Nat. Lab. at Philips by Marc J. de Vries, Marc J. Vries