Abstract: A stabilized mask assembly for direct deposition of a thin film pattern onto a substrate having a dimensionally stabilized mask supporting frame which includes an opening extending therethrough and defining a surface extending circumferentially around the opening, a relatively thin, substantially planar mask having a predetermined yield strength and selected geometrical shape and dimension wherein the mask is positioned adjacent the opening with the periphery of the mask circumferentially contiguous the circumferentially extending surface and wherein the mask has at least one aperture extending therethrough and arranged in a predetermined location defining a thin film pattern, and a securing device for rigidly affixing the periphery of the mask to the circumferentially extending surface with a substantially uniform tension applied to and in the plane of the mask and wherein the tension has a magnitude which establishes a stress on the mask during use which is less than the predetermined yield strength of the

Abstract: A preamplifier adapted to receive audio frequency electrical signals generated by a musical instrument for providing controlled output signals therefrom having selected distortion and harmonic signal content is shown wherein the preamplifier includes an amplifier for amplifying audio frequency electrical signals generated by the musical instrument, a first electrical signal processing channel operatively coupled to the amplifier for receiving the amplified audio frequency electrical signals and for producing in response thereto a first controlled output signal wherein the first electrical signal processing channel includes a plurality of selectively interconnectable signal processing circuits at least one of which is capable of at least one of selectively amplifying, distorting and adding preselected harmonic content to the first controlled output signal, a second electrical processing channel operatively coupled to the amplifier for receiving the amplified audio electrical signals and for producing response

Abstract: A ram constriction vane diffuser adapted as an air intake of an air plenum-engine pod wherein vertical multiple vanes are fitted on the vertically inclined air intake opening and include fixed vanes positioned adjacent the centerline portion of the air plenums which define an envelope for the airflow including nozzles locate on both sides of a jet engine, a plurality of deflectable vanes positioned in an equally spaced relationship in the air intake openings on both sides of fixed vanes, and wherein each deflectable vane has a leading edge and a drivable trailing section pivotally mounted on the rigid leading section of the deflectable vane and with the drivable trailing sections of each vane and with an actuator for adjusting the angle of the deflectable vanes relative to the freestream air flow for enabling the drivable trailing section of each vane to be turned away from a parallel position to the centerline of an engine suction diffuser, which is the original position thereof for speed flight, to reduce t

Abstract: A dipolar force field propulsion system having a alternating electric field source for producing electromotive lines of force which extend in a first direction and which vary at a selected frequency and having an electric field strength of a predetermined magnitude, a source of an alternating magnetic field having magnetic lines of force which extend in a second direction which is at a predetermined angle to the first direction of the electromotive lines of force and which cross and intercept the electromotive line of force at a predetermined location defining a force field region and wherein the frequency of the alternating magnetic field substantially equal to the frequency of the alternating electric field and at a selected in phase angle therewith and wherein the magnetic field has a flux density which when multiplied times the selected frequency is less than a known characteristic field ionization potential limit; a source of neutral particles of matter having a selected dipole characteristic and having

Abstract: A vacuum cell induction lift wing adapted to be used in an aerodynamic generating channel wherein the lift wing includes an airfoil having a leading edge and a trailing edge and a top panel and an acoustically treated hollow interior, and wherein the airfoil includes airtight partitions forming individual cells within the hollow interior and the airfoil has inclined slots extending from the top panel into each of the individual cells wherein the inclined slots extend at an angle from each of the individual cells toward the trailing edge of the airfoil and wherein the airfoil is adapted to be positioned within an aerodynamic generating with the top panel of the airfoil being adapted to form a lower boundary of the aerodynamic generating channel and to define a slip thereacross from an airstream support operatively coupled to the airfoil adjacent the trailing edge to enable the airfoil to be rotated therearound to change the angle of incidence of the top panel to an airstream passing thereacross and a pivot sup

Abstract: A digital peak detecting circuit for receiving a pulse train of electrical signals having a frequency within a known frequency range and for converting the same into digital signals is shown. The digital peak detecting circuit includes an input circuit having a phase-locked loop for producing clock pulses at a frequency which is a preselected integer of the electrical signals frequency and for deriving therefrom an analog input signal. A pulse control circuit receives and counts a predetermined number of clock pulses and produces count enabling signals. A peak detecting circuit is provided which includes a comparator which has the analog input signal and a analog output signal voltage applied to the inputs thereof and which has an output coupled to the pulse control circuit.

Abstract: A method of converting a pulse train of electrical signals having a frequency within a known frequency range into digital signals is shown.

Abstract: Apparatus for traversing a magnetic head-loading arm assembly onto a pair of spaced rotating discs is shown. The assembly comprises two parallel loading arms, one of which has two pairs of spaced gimbaled magnetic recording and reproducing head assemblies resiliently supported thereon from the upper and lower side thereof. The apparatus further includes a comb assembly having a pivotally mounted first canted sweep arm formed of first and second fixed cam guides each having a pair of opposed, spaced cam blade assemblies. The first cam guide is located at the end of the first canted sweep arm and the second fixed cam guide is located at a predetermined location along the arm intermediate the first cam guide and the pivot point of the first canted sweep arm. Each cam assembly has an upper and lower contoured blade defining a capture gap formed of a thin section, a sloped ramp and a thick section defining a clamping throat.

Abstract: A variable power amplifier having a constant current differential amplifier driving a cascaded driving amplifier, a variable power amplifier including a vacuum tube for selectively amplifying output signals wherein the drive of the variable power amplifier is determined by the plate shunt resistive loading of the vacuum tube, a push-pull amplifier including an output transformer operatively coupled to the variable power amplifier and to an amplifier output terminal to amplify and apply to the amplifier output terminal a selectively amplified output signal, and a variable damping circuit including a sensing element for sensing the loading on the output tranformer and a circuit for defining a feedback loop for producing a feedback signal having magnitude and polarity which are determined by the sensing element and wherein the variable damping circuit includes a circuit for applying the feedback signal as an input to the constant current differential amplifier to control the current level thereof as a function o

Abstract: A highly focusable video camera for use in medical and surgical procedures in conjunction with an endoscope is shown. The video camera includes a cylindrical body defining a confinement space having an open end and a cover having an aperture on a top portion and a cylindrical sleeve which extends into the cylindrical body portion. An optical system is mounted on the cover and extends into the cylindrical body and the optical system receives and passes an optical image from an endoscope. The optical system is focusable by relative movement along its optical axis. The internal surface of the cylindrical body has a groove which is formed to have an axial pitch and the groove functions as a cam surface to receive and coact with a follower which is connected to the cylindrical sleeve. A sealing means is located between the interior surface of the body and the external surface of the body and the external surface of the sleeve for blocking passage of the fluid into the containment space.

Abstract: Apparatus for accurately registering a first member in an interdependent relationship to a second member including prealigned registration members selectively mounted on the second member and having a first elongated member which defines a primary registration point, a second elongated member which defines a different secondary registration point, which together define a line of rotation, a third elongated member which defines a tertiary registration point located at a point other than on the line of rotation wherein each of the elongated members are positioned in a predetermined pattern and reference registration members mounted on the first member having a first receiving member which defines a primary reference point which receives and engages the first elongated member superimposing the primary registration point on the primary reference point, a second receiving member defining a reference line segment which extends in a preselected direction wherein the second receiving member receives and engages the s

Abstract: An electromechanical translation apparatus adapted to produce incremental movement relative to a separate member and having a housing, a pair of clamping and translating members each of which has a driven end and an engaging end wherein each of the engaging ends is adapted to removably clamp and translate a separate member relative to the housing in response to a driving force which is selectively applied through the clamping and translating members to the engaging ends which selectively clamp the separate member at selected locations with a clamping force which varies with the magnitude of the driving force, a pair of piezoelectric driving elements operatively coupled one each to each of the clamping and translating members wherein each of the piezoelectric driving elements is capable of being selectively expanded and contracted in response to a voltage of a selected magnitude and selected frequency to produce between the housing and the clamping and translating members a variable driving force which varies

Abstract: A dispensing device adapted to be attached to a container having a fluid-dispensing opening through which fluid is to be controllably dispensed into an eye of a user wherein the dispensing device includes an attaching member which is adapted to be operatively coupled to the exterior of the container and positioned with the fluid-dispensing opening extending in a predetermined direction therefrom and a support member including a first end which is operatively coupled to the attaching member and a second opposed end which is located in a predetermined direction and which extends beyond the fluid-dispensing opening wherein the second opposed end terminates in a curvilinear, blade-like everting member having an outer ribbed edge which is adapted to be positioned against the outer skin below the lower eyelid and over a portion of the bone structure defining the eye socket of a user wherein the outer ribbed edge is capable of being urged against the bone structure with the skin therebetween to urge the skin in a do

Abstract: An aerodynamic heated steam generating apparatus having an aerodynamic heat immersion coil steam generator adapted to be located on the leading edge of an airframe of a hypersonic aircraft and being responsive to aerodynamic heating of water by a compression shock airstream to produce the steam pressure, expansion shock air-cooled condenser adapted to be located in the airframe rearward of and operatively coupled to the aerodynamic heat immersion coil steam generator to receive and condense the steam pressure, a steam pressure reacting device operatively coupled between the aerodynamic heat immersion coil steam generator and the expansion shock air-cooled condenser for driving a load and an aerodynamic heated steam injector manifold adapted to distribute heated steam into the airstream flowing through an exterior thrust generating channel of an air-breathing, ducted power plant is shown.

Abstract: A highly compact focusable video camera for use in medical and surgical procedures in conjunction with an endoscope is shown. The focusable video camera includes a body having a front end and sidewalls which define a cavity, an adjusting element having an optical aperture positioned external of the body forward of the front end, an extension element integral to the adjusting element extending through and movable relative to the aperture in the front end portion which defines an optical path from the optical aperture of the adjusting element into the cavity, and an optical system aligned with the optical aperture in the optical path to define optical axes extending through the optical system and outside the body for receiving and transmitting an optical endoscope image.

Abstract: A video camera for use in medical surgical procedure in conjunction with an endoscope is shown. The video camera includes an optical system for receiving and optically processing an optical image from an endoscope. A solid-state sensor-converter is operatively positioned to receive the optical image after it is passed through the optical system and for converts the optical image into an unprocessed video signal. A video processing circuit is located adjacent the optical system and is electronically connected to receive the output of the sensor convertor. The video processing circuit is mounted around the optical system and transmits preprocessed output signals as an output from the video electronic processing circuit to a remote location and to a video output circuit. A soakable enclosure surrounds the optical system, the solid-state sensor converter and the video electronic processing circuit and includes a sealing member for maintaining the same in operative relationship.

Abstract: A highly compact focusable video camera for use in medical and surgical procedures in conjunction with an endoscope is shown. The focusable video camera includes a two-part body having a first body portion having an optically apertured forward end portion thereof and a cylindrical sidewall, a second body portion having a rearward end portion and a cylindrical sidewall wherein the first and second body portions are slidable one into the other and having portions of their respective cylindrical walls overlapping. A coacting member is located on the overlapped portion of the cylindrical wall of each body portion and causes relative forward and rearward axial motion of the body upon rotation of one body relative to the other. The body portions define a cavity having an optical aperture which defines an optical axis extending through the optical system and outside the body for receiving and transmitting optical images received from the endoscope.