Musicians - Hans Luedtke

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	Musicians - Hans Luedtke

Hans Luedtke

Biography

Organist, musicologist and inventor Hans Luedtke developed special extended organs and keyboards that could be used with any desired tone system. Rounded edge hexagonal shaped keys were to be arranged like honeycombs in such a way that intervals would be represented by unique vectors (i.e. a Generalized keyboard). He mentioned tunings with semi-, third-, and quartertones, methods for playing special glissandos, electronic switching between tunings or registers during performances, and he also outlined a notation system analogous to the keyboards and a direct opto-electric recording system.

# Unusual sounds coming from Oskalyd op. 2113 installed in 1926 at Odessa, Ukraine: Große Trommel, Kleine Trommel, Gong, Tamburin, Holzblock, Retgen, große Kirchenglocke, kleine Kirchenglocke, brechendes Glas, Schlittenglöckchen, Turmuhr, Lokomotivenpfeife, Donner, Vogel 1, Vogel 2, Kuckuck, Telephon, Automobil, Jazz (ref. )

Patents

DE 388,209. Walcker-Luedtke-Hammer Oskalyd Orgelbau. Vorrichtung zum Erhoehen der Klangwirkung von Tasteninstrumenten, Orgeln u. dgl. 1924.01.19
DE 403,152. Walcker-Luedtke-Hammer Oskalyd Orgelbau. Tasteninstrument, Orgel o. dgl. (GB 218,252, CH 108,096, DK 34,686) 1924.10.09
DE 630,202. H. Luedtke. Orgelartiges Musikinstrument. (US 1,919,849, GB 390,574) 1936.05.27
DE 604,495. H. Luedtke. Tastatur fuer Zwecke der Klangausloesung, der Klangaufzeichnung und fuer Registrierzwecke, insbesondere bei orgelartigen Instrumenten. (US 2,003,894, GB 413,483, FR 756,638) 1934.10.23
DE 630,202 H. Luedtke. Orgelartiges Musikinstrument. (US 1,919,849, GB 390,574) 1936.05.27
DE 639,272 H. Luedtke. Ausbildung eines Tastenfeldes, insbesondere fuer Musikinstrumente. (US 2,061,364, GB 459,900)1936.12.02
DE 749,198 P. H. Luedtke. Tastatur fuer Handharmoniken. 1944.11.17

Writing

Viol-Chaconne (J. S. Bach) organ transcription, 1916
"Seb. Bachs Choralvorspiele." (1918) BachJb xv, 1-96.
"Zur Entstehung des Orgelbüchleins (1717)." (1919) BachJb xvi, 62-66
"Das Oskalyd" (1926) Musik und Maschine 8-9, 385-387
"Portativ-Positiv-Kleinorgel nach Changie-Prinzip" (1938) 'DIBZ' 39 p. 117 (ref. )

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