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Laurens Hammond was born in Evanston, Illinois, on January 11, 1895 [1] to William Andrew and Idea Louise Strong Hammond. [2] Laurens showed his great technical prowess from an early age. His father, William, took his own life in January 1897, ostensibly due to failure of the First National Bank of Illinois, which he had founded.
The Hammond clock model "Como" The Hammond Clock Company was founded in 1928 to produce and market clocks that were equipped with Hammond's new motor. The Hammond clock factory manufactured more than 100 different clock models, some simple and cheap, others made from expensive materials such as marble and onyx. [4]
The Hammond organ is an electric organ, invented by Laurens Hammond and John M. Hanert [1] and first manufactured in 1935. [2] Various models were produced, which originally used tonewheels to generate sound via additive synthesis , where component waveform ratios are mixed by sliding switches called drawbars and imitate the pipe organ's registers.
An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. [1] The magnetic core of this transformer is made with a ferromagnetic amorphous metal . The typical material ( Metglas ) is an alloy of iron with boron , silicon , and phosphorus in the form of thin (e.g. 25 μm) foils rapidly cooled from melt.
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A Royer oscillator is an electronic relaxation oscillator that employs a saturable-core transformer in the main power path. It was invented and patented in April 1954 by Richard L. Bright & George H. Royer, who are listed as co-inventors on the patent. [1]
Current limiting reactors, once called current limiting reactance coils, were first presented in 1915. [2] The inventor of the current limiting reactance coil was Vern E. Alden who filed the patent on November 20, 1917 with an issue date of September 11, 1923.
To counteract Hammond's slogan "Music's Most Glorious Voice," Leslie added a similar slogan, "Pipe Voice of the Electric Organ" to the plates. [1] He eventually owned nearly 50 patents on the speaker. [5] Leslie manufactured the speaker to work with other organs besides Hammond, including Wurlitzer, Conn, Thomas and Baldwin. [6]
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