Abstract: A primary fluid nozzle induces secondary fluid flow through an induction port opening. A damper valve element is provided at the induction port and is constantly biased open. A variable flow fluid inlet is positioned to one side of the nozzle orifice and arranged to direct fluid against the induction port damper tending to close the damper depending upon the flow of fluid through the variable flow fluid inlet. Thus, when primary fluid flow increases through the variable flow inlet, the secondary fluid damper tends to be closed, reducing secondary fluid flow.

Abstract: High accuracy guidance signals are produced over a wide angle by sequencing in a predetermined sequence through a series of narrow angular sectors while electrically scanning the transmitted signals within each sector.

Abstract: The garment can be worn in any one of many different ways and is especially adaptable to cover the upper torso of the wearer as a halter-like garment. The garment includes a substantially flat double stretch knit body including a base portion and two separate upstanding portions formed integrally with the base portion, the upstanding portions diverging away from the center line of the body at the upper end thereof.

Abstract: Radio frequency energy is rapidly switched from a transmitter in a repeating sequence of bursts of radio frequency energy to the different ones of a plurality of radiation beam ports, and the individual bursts of radio frequency energy are modulated in a predetermined program to provide a composite beam energy profile which is a synthesized directional beam which moves at a predetermined desired scanning rate.

Abstract: Where a signal reflective fixed obstruction is present in a subsector of a navigation angle sector in which guidance is required, scanning beams are employed including a main scan which is scanned over most of the navigation angle sector and an auxiliary scan which is scanned only over the obstruction subsector. The scan signals are received and correlated by the aircraft to distinguish obstruction subsector signals to thereby avoid reflection interference.

Abstract: A support strip adapted to be mounted on a desk or cabinet panel and to provide support for drawer guides which are conventionally used to support a drawer for sliding movement within a desk or cabinet enclosure.

Abstract: A button having a button body including a central portion defining a button base having an uninterrupted outer wall and an inner wall with interspaces within said button base between said outer and inner walls, and an attaching means comprising a supporting plate including a plurality of pins projecting from one face of the supporting plate and having pointed heads adapted to be punched through a sheet material to which the button is to be attached, and then inserted into openings into the interspaces between said outer and inner walls, the openings being constricted to require temporary deformation of the materials of the structure as the heads of the pins are inserted into the openings.

Abstract: Two carriers are gated on and off in an alternating sequence. The same group of different digital sample point values signifying various modulation levels required for each carrier at successive points in time are read out in timed sequence and applied to modify each of the carrier waves by one sample point value during each period when a carrier wave is gated on to thus modify the carriers in a manner recognized by a receiver as modulation.

Abstract: Separate operating condition data measurement sub-systems are provided for each of a plurality of navigation signal transmitters, each sub-system including its own microprocessor and data store, with the data being collected and stored in a collective data store for a plurality of sub-systems, and interconnections being provided to a remote central station computer, data processing capability being provided by the microprocessor in the sub-system, by a data processor associated with the collective data store, and by the central station computer, with a predetermined division of data processing functions.

Abstract: The system includes a passive station dedicated to the control and acquisition of data of an electronic apparatus and arranged for communication with a central station over a non-dedicated voice band-width communication link with connections being established from the central station. The passive station includes means to initiate a call-out operation under alarm conditions, but the communication is limited to the establishment of the connection and the transmission of a ready signal to the central station inviting the central station to issue a command to the passive station to transmit information.

Abstract: Universal joint having a first cylindrical member with a cylinder axis perpendicular to the torque transmission axis and with a ribbed and slotted cylinder surface, a second member forming a cage around the first member and having an exterior periphery defining a second ribbed and slotted cylinder surface with the cylinder axis perpendicular to the first-mentioned cylinder axis, and a third member forming a cage around the second member.

Abstract: Small particles to be sorted are entrained in a stream of fluid and particle differences are detected to control a sorter located downstream. The sorter is effective to switch the particle carrying fluid to one of two different paths determined by the particle differences to thereby accomplish the sort. A particle detector is positioned to detect the passage of particles through one of said paths in order to verify that the sorting operation has occurred.

Abstract: In a directional microwave signal radiation system, low angle radiation problems are dealt with by inserting a combined diffraction edge and radiation screen in the lower portion of the radiation field to provide a diffraction pattern of radiation at low and negative radiation angles beyond the diffraction edge.

Abstract: Microwave carrier frequency energy is switched from one beam to another to provide a switched scanning beam for the glide slope function for an instrument landing system. The beams comprise a plurality of upper beams of uniform angular width in elevation and having a uniform angular center-to-center beam spacing in elevation, together with a class of lower beams consisting of at least one beam with each beam of said lower beams having a reduced angular width in elevation and a reduced spacing beneath the center line of the next higher beam which is proportional to the reduced beam width, the peak energy radiated at the center line of each lower beam being inversely proportional to the peak energy radiated in each of said upper beams as a function of the respective beamwidths.

Abstract: An input signal is sampled and stored at a first clock interval, and then the stored sample is compared with the input signal at a second clock interval to determine whether the two are the same in order to confirm that the signal is a true signal rather than transient noise.

Abstract: A multiple element antenna array provides a separate beam of carrier signal from each element in a pattern of beams spaced at different angles above the horizon. The array is adjusted upwardly to avoid obstructions on the horizon, and a program of modulation is applied to the separate beams to define the desired glide slope path while compensating for the mechanical upward adjustment of the array.

Abstract: The assembly includes an actuator nozzle telescopically fitted to an aerosol valve and rotatable with respect thereto. The actuator includes a skirt portion which interfits with a locking ring to maintain it on the valve. The interfitted skirt portion is preferably tilted with respect to the telescopically fitted portion of the actuator to provide an initial tilt to the aerosol valve for ease of opening. The locking ring preferably also includes means for locking the actuator by rotation of the actuator to prevent opening of the valve.

Abstract: The assembly includes an actuator nozzle telescopically fitted to an aerosol valve and rotatable with respect thereto. The actuator includes a skirt portion which interfits with a locking ring to maintain it on the valve. The interfitted skirt portion is preferably tilted with respect to the telescopically fitted portion of the actuator to provide an initial tilt to the aerosol valve for ease of opening. The locking ring preferably also includes means for locking the actuator by rotation of the actuator to prevent opening of the valve.

Abstract: The antenna array preferably consists of a plurality of slotted wave guide microwave signal radiating elements positioned to directly radiate separate beams of microwave energy at different azimuth angles to a common horizontally aligned cylinder sector reflector, the radiating elements being operable to primarily determine the direction and shape of the resultant reflected beams in azimuth and the reflector being operable to primarily determine the elevation patterns of the resultant reflected beams.

Abstract: Radio guidance signals comprising a carrier having modulation patterns defining a predetermined guidance path plane for a craft to be guided are transmitted, preferably in a scanning beam, from a ground station. A separate standard frequency signal is also transmitted from the ground station which has a predetermined difference in frequency from the guidance signal carrier frequency, the standard frequency being employed to control a local oscillator at the receiver.