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English: Frances Derham (1929) cover design for The Recorder, publication of the Arts & Crafts Society of Victoria issued 1929, linocut, printed in black ink, from one block, 17.4 h x 12.7 w cm. National Gallery of Australia
Partridge indicates that the use of the instrument by jongleurs led to its association with the verb: Recorder the minstrel's action, a recorder the minstrel's tool. [5] [14] The reason is uncertain why this flute instrument—rather than some other instrument played by the jongleurs)—is known as the recorder.
This recorder instead uses an earlier slip-ring and brush contact system for the spinning heads, with two sets of brushes to increase signal reliability. However it can still experience video signal quality problems if the metal of the brushes or rings become oxidized / corroded, or coated with dust.
In the days of commercial mechanical television transmissions, a system of recording images (but not sound) was developed, using a modified gramophone recorder. Marketed as " Phonovision ", this system, which was never fully perfected, proved to be complicated to use as well as quite expensive, yet managed to preserve a number of early ...
1923: Charles Jenkins first demonstrates "true" television with moving images. This time 48-line moving silhouette images are transmitted at 16 frames per second from Washington to Anacostia Navy station; Vladimir Zworykin applies for a patent for an all-electronic television system, the first ancestor of the electric scanning television camera.
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Phonograph cylinders (also referred to as Edison cylinders after its creator Thomas Edison) are the earliest commercial medium for recording and reproducing sound.Commonly known simply as "records" in their heyday (c. 1896–1916), a name which has been passed on to their disc-shaped successor, these hollow cylindrical objects have an audio recording engraved on the outside surface which can ...
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