Electrochemical reed filter

Details Electrochemical reed filter Electrochemical reed filter

1974-07-17

1976-08-10

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

310 82, 310 94, 310 25, 333 71, H03H 906, H03H 926, H01L 4110

Patent

active

039744663

ABSTRACT:
An electromechanical reed filter has a pair of reed elements secured at one end to each other and supported on a base member. A electromechanical transducer is cemented to the side surface of each of the reed elements intermediate of the opposite ends of the reed. The reed filter is housed in a protective casing and is provided with a shock-absorbing member in the vicinity of the free ends of the reed elements. When an abnormal shock is applied to the filter the reed elements are caused to bend transversely and would strike the inner walls of the casing with the shock-absorbing member being interposed therebetween. The impact energy is effectively absorbed so that the cemented portion of the transducer is protected from deformation or cracks. The shock-absorbing member may be applied to the free ends of the reed elements so that spurious vibrations at frequencies higher than the fundamental frequency can be suppressed.

REFERENCES:
patent: 3354413 (1967-11-01), Ko
patent: 3503009 (1970-03-01), Horstmann et al.
patent: 3621467 (1971-11-01), Dostal
patent: 3795831 (1974-03-01), Fujita

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