Matches 1 - 46 out of 46
Match Document Document Title
6515554 High-frequency circuit device and communication apparatus  
Electrodes are formed on both top and bottom surfaces of a dielectric plate and grounded coplanar lines, as transmission lines, are formed on the top surface of the dielectric plate. A plurality of...
5828274 Clad ultrasonic waveguides with reduced trailing echoes  
Ultrasonic buffer rods are useful for on-line process control of industrial material processes at elevated temperatures. In order to increase the signal-to-noise ratio in the reflected ultrasonic...
5241287 Acoustic waveguides having a varying velocity distribution with reduced trailing echoes  
Acoustic buffer rods are useful in the nondestructive ultrasonic evaluation of materials. In order to reduce the occurrence of spurious signals in the reflected acoustic waves forming an acoustic...
5173667 Acoustic wave transmission media delay line having internally disposed absorber channels  
A multiple-reflection, long-path wave transmission device is fabricated from a single crystal silicon plate by micromachining straight walled rectangular cavities into the plate to reflect...
4829270 Compansion system  
An improved compansion system that more effectively increases the dynamic range of other circuit elements. The system includes both a compression circuit to limit the input signal amplitude for a...
4821004 Method for the elimination of spurious echos in electro-acoustic delay lines using bulk waves and delay line applying this method  
Methods are disclosed for the elimination of spurious echos in electro-acoustic delay lines using bulk waves. The method consists in etching an array, formed of hollows and peaks on a reflecting...
4819215 Electric signal transfer element  
An electrical signal transfer element is disclosed. This element consists of a ultrasonic wave solid propagation medium, input and output transducers and backing members. The ultrasonic wave solid...
4733204 Ultrasonic-wave delay element  
An ultrasonic-wave delay line element comprises a pentagonal delay medium body formed by cutting at an angle of about 45° a part of the major surface defined by a rectangular shape having two...
4691178 Ultrasonic delay line  
An ultrasonic delay line including an input transducer for producing a sound wave depending on an input voltage, a delay medium for transmitting the sound wave produced by the input transducer and...
4684906 Solid ultrasonic delay line  
There is disclosed a solid ultrasonic delay line comprising a solid ultrasonic delay medium on which polygonal multiple-reflective surfaces are formed. An input transducer for radiating...
4525692 Electroacoustic delay lines  
An ultrasonic delay line fabricated from a solid transmission medium is configured to provide (2n+3) reflections of the desired signal at five reflective facets of an irregular polygon. The...
4510470 Electro-acoustic delay line operating in transmission  
A transmission-type electro-acoustic delay line comprises an acoustic medium delimited by a cylindrical lateral surface, a plane terminal surface on which are fixed two symmetrical transducers, and...
4499439 Bifurcated electroacoustic delay lines  
A bifurcated electroacoustic delay line exhibits at least a pair of substantially identical branches, each assuming a generally pentagonal profile. Each branch is configured to provide (2n+3)...
4488127 Bifurcated electro-acoustic delay lines having transducers bonded at an area of bifurcation  
A bifurcated electroacoustic delay line exhibits at least a pair of substantially identical branches, each assuming a generally pentagonal profile. Each branch is configured to provide (2n+3)...
4488128 Bifurcated electroacoustic delay line with diagonal coupling  
A bifurcated electroacoustic delay line includes first and second branches of a transmission medium, the branches being joined along respective common sides. Bonded to the common sides of the...
4392115 Volume magnetostatic wave device  
The volume magnetostatic wave device comprises a unidirectional-radiation transducer composed of equidistant microstrips connected to a polyphase transformer and coupled to a ferrimagnetic wafer...
4349794 Shallow bulk acoustic wave devices  
Acoustic wave devices employing shallow bulk acoustic waves rather than surface acoustic waves, to provide higher frequencies of operation and other significant advantages, such as less...
4316161 Wideband low triple transit delay line  
Electroacoustic apparatus is described incorporating a substrate having a transducer on an upper surface and a transducer on a lower surface positioned for receiving bulk acoustic waves; substrate...
4301431 Miniature delay line having low direct coupling  
In a miniaturized delay line constituted by a single crystal through which an ultrasonic beam passes and by two electroacoustic transducers, the direct coupling between the input and the output of...
4242653 Triple transit suppression for bulk acoustic delay lines  
Electroacoustic apparatus is described incorporating a substrate having a plurality of transducers on an upper surface and a plurality of transducers on a lower surface each positioned for...
4119934 Bulk acoustic wave delay line  
A bulk acoustic wave delay line adapted to increase triple-transit signal suppression by selective aperture limiting, the device including a bulk acoustic wave-supporting body having a planar end...
4103263 Triple-transit-suppressed bulk acoustic wave delay line  
A mode-converting type bulk acoustic wave delay line adapted to suppress triple transit signals and provide response tailoring, the device including a body of acoustic wave supporting material with...
4099147 Bulk acoustic delay device  
A bulk acoustic delay device incorporating a transmitting transducer, a substrate, and two receiving transducers is described which may reduce the amplitude of undesired received reflected bulk...
4034317 Ultrasonic delay lines and method of making the same  
A multiple reflection type solid ultrasonic delay line which comprises a solid ultrasonic delay medium in the form of a thin flat plate having input and output transducers and reflection elements...
4016512 Wide band bulk acoustic wave delay line  
A bulk acoustic wave delay line including a body of acoustic wave supporting material and having at least one planar surface capable of reversably converting longitudinal wave mode acoustic energy...
3942139 Broadband microwave bulk acoustic delay device  
A thin film piezoelectric transducer generates bulk mode ultrasonic elastic waves which propagate into a transmission medium, such as silicon. The wave is reflected back towards the first...
3798577 ULTRASONIC DELAY LINE  
An ultrasonic delay line having an ultrasonic beam path with a plurality, preferably seven, reflection points, and comprising a body of lead silicate glass and a transmitting transducer and a...
3680008 ULTRASONIC WAVE DELAY DEVICE HAVING A TRAP ZONE FOR UNDESIRED SIGNAL COMPONENTS  
An ultrasonic wave delay device for delaying an ultrasonic wave signal a predetermined time by propagating the ultrasonic wave signal through a solid propagation medium, in which principal signal...
3671887 DELAY LINE  
An improved ultrasonic delay line comprising a solid glass body having one or more slits in the side walls extending inwardly from the outer edge faces of the body. The slits are arranged in the...
3611200 ULTRASONIC DELAY LINE  
A thin flat ultrasonic delay line comprising a solid glass body in the shape of a parallelepiped with pentagonal top and bottom boundary surfaces extending perpendicular to the thickness dimension...
3593213 ULTRASONIC DELAY LINE AND METHOD OF MANUFACTURING AN ULTRASONIC DELAY LINE  
An ultrasonic delay line comprising a glass body having first and second surfaces on which an input transducer and an output transducer are mounted. A third surface of the body perpendicular to the...
3550044 SOLID DELAY LINE  
3522557 ACOUSTIC DELAY LINE  
3508174 ULTRASONIC DELAY BODY  
3317862 Off-axis elastic wave delay device with spherical reflections  
3296561 Digital ultrasonic delay line  
3254317 Solid delay line  
3174120 Ultrasonic delay line having means to reduce third-time echo  
2922966 Ultrasonic delay devices  
2859415 Ultrasonic acoustic wave transmission delay lines  
2854657 Code conversion  
2853145 Reverberation loud-speaker assembly  
2839731 Multi-facet ultrasonic delay line  
2826744 Multiple mode prism delay line  
2823355 Ultrasonic delay line  
3564461 Title is not available  
Matches 1 - 46 out of 46