Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1975-07-11
1977-07-19
Gensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
310 89, 310 25, H03H 902
Patent
active
040371794
ABSTRACT:
A mechanical filter device comprises a casing having housed therein a U-shaped tuning fork. A damper extends from the casing between adjoining vibratable tines of the tuning fork to effectively dampen abnormal vibrations of the tines caused by external shocks or impacts being applied to the casing. The damper is formed integrally with the casing as a one-piece structure from synthetic resin.
REFERENCES:
patent: 3243736 (1966-03-01), Johnston
patent: 3513415 (1970-05-01), Dostal
Adams Bruce L.
Burns Robert E.
Gensler Paul L.
Kabushiki Kaisha Daini Seikosha
Lobato Emmanuel J.
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