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in the transmitter and receiver which were tuned to resonance with each other. When it was renewed in 1911 the
Marconi Wireless Telegraphy Co. was forced to buy it from Lodge, to protect its own tuned radio system from
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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The following pages on the
English Knowledge (XXG) use this file (pages on other projects are not listed):
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British patent 11575 Lodge IMPROVEMENTS IN SYNTONIZED TELEGRAPHY May 10 1897 fig 3 & 4.png
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161:. This patent was important because it was the first radio system with
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in its country of origin and other countries and areas where the
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Circuit of Oliver Lodge's spark radio transmitter and receiver
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Improvements in
Syntonised Telegraphy without Line Wires
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Commons is a freely licensed media file repository.
295:https://creativecommons.org/publicdomain/mark/1.0/
191:, applied: 10 May 1897, accepted: 10 August 1898
70:(982 × 953 pixels, file size: 45 KB, MIME type:
144:'s 10 May 1897 patent, showing his "syntonic"
140:Two circuit schematics from British physicist
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187:British patent no.189711575 Oliver Lodge,
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41:Size of this preview:
678:Horizontal resolution
659:Spark-gap transmitter
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142:Oliver Lodge
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106:You can help
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22:File history
374:10 May 1897
176:10 May 1897
128:Description
650:File usage
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137:English:
72:image/png
665:Metadata
427:checksum
318:Captions
156:receiver
152:(bottom)
32:Metadata
633:(45 KB)
618:current
613:Comment
497:45,812
342:depicts
322:English
268:in the
120:Summary
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298:PDM
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
