Vibrating ribbon bolometer: A concept

Incident electromagnetic radiation pulses maintain bolometer's sensitive element in state of resonant oscillation and correlate amplitude of oscillation with incident radiation power. Bolometer can be employed with other devices for detecting motion of ribbon

Improved charged-particle analyzer - A concept

Device utilizes concept that charged-particle analysis is achievable by applying sinusoidal voltage across two conductive deflection plates with predetermined curvature and constant spacing to define selective passageway for charged particles to be analyzed. Four advantages of improved device are cited

Thermal detector of electromagnetic energy by means of a vibrating electrode Patent

Electromagnetic energy detection by thermal sensor with vibrating electrod

High speed low level electrical stepping switch Patent

High speed low level voltage commutating switc

Nulling device for detection of trace gases by NDIR absorption

A nondispersive gas analyzing apparatus is described having a first chamber for containing a first gas, the density of which is determined. A source of radiant energy is provided for passing radiant energy through the first chamber. Modulation means are provided for modulating the radiant energy passing through the first chamber by modulating the volume of the chamber at the acoustic resonance frequency of the first gas and the chamber. Signal generating means, including a second chamber for containing a gas which is heated by radiant energy emerging from the first chamber and a microphonic means responsive to the resulting pressurization in the second chamber, is provided for generating a signal, having a frequency and amplitude corresponding to the modulation of the radiant energy in the first chamber

Two-plane balance Patent

Two plane balance for simultaneous measurements of multiple force

Electrostatic charged particle analyzer having deflection members shaped according to the periodic voltage applied thereto Patent

Charged particle analyzer with periodically varying voltage applied across electrostatic deflection member

Apparatus for coupling a plurality of ungrounded circuits to a grounded circuit Patent

Electro-mechanical circuit for converting floating intelligence signal to common electrically grounded intelligence recorde

Dynamic sensor Patent

Dynamic sensor for gas pressure or density measuremen

Cryogenic apparatus for measuring the intensity of magnetic fields

Cryogenic flux-gated magnetometer using superconductor