全能
发表于 2025-3-28 17:28:14
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暴发户
发表于 2025-3-28 19:02:05
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neoplasm
发表于 2025-3-29 01:40:27
Alfred L. Horowitz MDdio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound sh
dainty
发表于 2025-3-29 07:07:35
Alfred L. Horowitz MDdio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound sh
内阁
发表于 2025-3-29 11:09:00
Alfred L. Horowitz MDdio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound sh
影响带来
发表于 2025-3-29 12:33:01
Alfred L. Horowitz MDdio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound sh
全面
发表于 2025-3-29 16:52:40
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STALE
发表于 2025-3-29 22:13:53
Alfred L. Horowitz MDdio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents for his process, he was initially ignored by the film industry. In order to promote and demonstrate his process he made several hundred sound sh
CORE
发表于 2025-3-30 03:49:05
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Gyrate
发表于 2025-3-30 05:24:06
Alfred L. Horowitz MDow scientific technical standards are derived and integratedThe life-long inventor, Lee de Forest invented the three-element vacuum tube used between 1906 and 1916 as a detector, amplifier, and oscillator of radio waves. Beginning in 1918 he began to develop a light valve, a device for writing and r