GB139904A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in holders for wireless detaching crystals
Assignee: VICTOR JEAN BROCHARD
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Filing: 1919-04-02
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Granted: —
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Expires: 1939-04-02
Abstract
Abstract 139,904. Thompson, W. P., (Brochard, V. J.). April 2, 1919. Wave-detectors. - A crystal detector comprises an insulating-tube 1 having an internal shoulder 2 to support the crystal 3, contact with which is made by a metallic brush held in position by a solidified insulator, such as colophony. Contact is made with the brush 4 by a copper block 5, and with the crystal 3 by a metallic alloy 7.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 00:46
CPC Classifications
H; H10; H10D; H10D99/00
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