Other

Engelhard Sensor Technologies, Inc.

Gregory Steinthal

Andrian I Kouznetsov

David W Sherlock

A power circuit for use with a resistive thermal radiation source in which the power delivered to the resistive thermal radiation source will remain constant within a preselected deviation over a fixed period of time as the source resistance of the source varies between an initial source resistance and a second source resistance at the operating temperature. The power circuit is designed to maintain constant power within a preselected deviation by using the resistance of the resistive thermal radiation source to calculate a preselected resistance used in the power circuit according to the following equation: ##EQU1## wherein .DELTA.P=P.sub.si -P.sub.s ; P.sub.si =the initial power on the resistive thermal radiation source; P.sub.s =the power on the resistive thermal radiation source when the source resistance is equal to the second source resistance; K.sub.1 =RO/R.sub.si ; R0=the preselected resistance; R.sub.si =the initial source resistance; K.sub.2 =R.sub.s /R.sub.si ; and R.sub.s =the second source resistance.

Semi-constant power circuit for use with a thermal radiation source

A hand-held 3-D imaging system which incorporates the stereoscopic imaging system within a pair of binoculars. Each telescope optical system has a first optical system, a second optical system, and a third optical system. The first optical system allows for external magnified stereo viewing of an object. The second optical system allows for recording the magnified stereo image(s) viewed through the optics of the first optical system. The third optical system allows for reproduction of the magnified stereo image(s) captured by the second optical system. The hand-held 3-D imaging system further includes record and playback modes that are activated by switches connected to electronic processing circuitry located within the frame of the binoculars. The imaging system can also be designed to interact with external memory devices and/or displays.

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Santa Barbara, CA, United States of America

Gregory Steinthal