It is also possible to utilize a pressure transducer, mounted at the end of a catheter which is inserted into the heart's left ventricle, to indicate the blood pressure in the heart itself.

The frequency used for these experiments is 15 mc. and the transducer is a specially cut crystal with an epoxy lens capable of providing beam diameters smaller than one millimeter.

For example, the expanding profile of a laser beam, the beam shape of a radar antenna and the field of view of an ultrasonic transducer can all be analysed using diffraction equations.

There are many considerations when evaluating such a system, not limited to the vertical accuracy, resolution, acoustic beamwidth of the transmit / receive beam and the acoustic frequency of the transducer.

A doppler ultrasound scan, also called a high-frequency transducer sonography and including pulsed color Doppler imaging, of the scrotum is nearly 100 % accurate at detecting torsion.

The X-axis of the image represents time, oldest ( and behind the soundhead ) to the left, most recent bottom ( and current location ) on the right ; thus the fish is now well behind the transducer, and the vessel is now passing over a dip in the ocean floor or has just left it behind.

A mercury delay line consisted of a long tube filled with mercury, a mechanical transducer on one end, and a microphone on the other end, much like a spring reverb unit later used in audio processing.

Currently TakeT produce a piezoelectric film headphone which is shaped not unlike an AMT transducer but which like the driver Precide uses for their headphones, has a variation in the size of transducer folds over the diaphragm.

Duodenography and colonography are performed like a standard abdominal examination using B-mode and color flow Doppler ultrasonography using a low frequency transducer — for example a 2. 5 MHz — and a high frequency transducer, for example a 7. 5 MHz probe.

The more payers it gets, the more powerful it gets in acting like a transducer of mental thought wave energy.

An acousto-optic modulator consists of a piezoelectric transducer which creates sound waves in a material like glass or quartz.

Significant performance improvements in navigational tests were observed ( over and above those experienced by control subjects during the same period with the same training ) and, for half of the participants, the perception of the belt's vibration underwent a profound change from simple tactile innervation to approach a genuine and direct sense of allocentric orientation: in other words, could perceive north as an entity distinct from the vibrating transducer on the waist, like one perceives a glass on a table as an entity distinct from the impact of reflected photons on the retina.

As with the RTU, a dedicated pair of copper conductors for each contact and transducer value is terminated on panels within the PLC. It is like a work-horse which work upon the command given by their master.

The maturity of radio communication and sonar technology made it possible to combine a sonar transducer, batteries, a radio transmitter and whip antenna, within a self-contained air-deployed floating ( sono ) buoy.

By submerging the patient in a tub and rotating the transducer while the scanning goes on, they have been able to get cross-section views of the neck, as shown in Fig. 7, as well as many other hitherto impossible insights.

One functional part of the head is the round, orange structure in the middle-the lithographically defined copper coil of the write transducer.

The transducer is a null-type instrument and employs a stretched diaphragm, 0.001 in. thick and 1 in. in diameter.

In this novel arrangement the `` pill '' is much smaller and contains only a resonant circuit in which the capacitor is formed by a pressure-sensing transducer.

The transducer is coupled to the body through a water bath, not shown.

The physical variable is converted to an analog signal by a transducer.

A transducer is a device for converting one form of energy into another.

A device that converts signals from one type to another ( for example, a light signal in photons to a DC signal in amperes ) is a transducer, a transformer, or a sensor.

The measuring function is completed by the detector, transducer and transmitter.

The audio is then extracted from the rectified carrier wave using a simple filter and fed into an audio amplifier or transducer, which generates sound waves.

A sealed gauge reference pressure transducer will never read exactly zero because atmospheric pressure is always changing and the reference in this case is fixed at 1 bar.

It is an analog electromechanical transducer that produces a rotary deflection of some type of pointer in response to electric current flowing through its coil in a magnetic field.

This simple relationship is frequently applicable where the source's noise is of thermal origin since a passive transducer will often have a noise temperature similar to 290 K.

A loudspeaker ( or " speaker ") is an electroacoustic transducer that produces sound in response to an electrical audio signal input.

Frustration with a strap transducer which was malfunctioning due to an error in wiring the strain gage bridges caused him to remark – " If there is any way to do it wrong, he will " – referring to the technician who had wired the bridges at the Lab.

The child Fallom cannot inherit the Bander estate, as would normally be the Solarian custom, because it is too immature to be able to use its transducer lobes.

A microphone ( colloquially called a mic or mike ; both pronounced ) is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal.

The sensitive transducer element of a microphone is called its element or capsule.

Sonographers typically use a hand-held probe ( called a transducer ) that is placed directly on and moved over the patient.

This increases the total volume of air that can be moved on each excursion of the transducer given that radiating area.

One transducer acts as both the transmitter and receiver to image the region of interest over time.

They are used to convert a slow analog signal ( such as from a temperature transducer ) to a digital signal for transmission over a long distance, since the frequency will not drift or be affected by noise.

This is because the distance between the fish and the transducer changes as the boat passes over the fish ( or the fish swims under the boat ).

More importantly, low output impedance can reduce distortion by improving the control that the source has over the transducer.

With this simple geometrical similarity, based on the laws of optics, the eye functions as a transducer, as does a CCD camera.

* transducer built into the body.

Diagram of Hall effect current transducer integrated into ferrite ring.

When the UIT tool, made up of the ultrasonic transducer, pins and other components, comes into contact with the work piece it acoustically couples with the work piece, creating harmonic resonance.

An analog audio system captures sounds, and converts their physical waveforms into electrical representations of those waveforms by use of a transducer, such as a microphone.

A sensor, which is a type of transducer, is a device that converts a physical property into a corresponding electrical signal ( e. g., a acquisition system to measure differing properties depends on having sensors that are suited to detect the various properties to be measured.

Generally, the air pressure variations are first converted ( by a transducer such as a microphone ) into an electrical analog signal in which either the instantaneous voltage or current is directly proportional to the instantaneous air pressure ( or is a function of the pressure ).

A hardware random number generator typically consists of a transducer to convert some aspect of the physical phenomena to an electrical signal, an amplifier and other electronic circuitry to increase the amplitude of the random fluctuations to a macroscopic level, and some type of analog to digital converter to convert the output into a digital number, often a simple binary digit 0 or 1.

In engineering, the term solenoid may also refer to a variety of transducer devices that convert energy into linear motion.

** Tactile transducer – converts electrical signal into vibration ( electrical signal → vibration )

The bandpass filters method usually uses analog processing to divide the input signal into frequency bands ; the magnitude of each filter's output controls a transducer that records the spectrogram as an image on paper.

A specialized probe containing an ultrasound transducer at its tip is passed into the patient's esophagus.

An ion-selective electrode ( ISE ), also known as a specific ion electrode ( SIE ), is a transducer ( or sensor ) that converts the activity of a specific ion dissolved in a solution into an electrical potential, which can be measured by a voltmeter or pH meter.

A headset is ergonomically positioned on the temple and cheek and the electromechanical transducer, which converts electric signals into mechanical vibrations, sends sound to the internal ear through the cranial bones.

Designing a sound transducer to convert sound waves into physical mass, Klaw steals the metal vibranium-a substance known to exist only in certain meteoric deposits in the small African nation of Wakanda-to power his device.

A specialized probe containing an ultrasound transducer at its tip is passed into the patient's esophagus.

Sound reinforcement in a large format system typically involves a signal path that starts with an instrument pickup or a microphone ( transducer ) which is plugged into a multicore cable ( often called a " snake ").

The transducer follows this with a positive oscillation that creates high pressure compression waves on the water ’ s surface, releasing tiny vapor molecules of water into the air.

To capture data, a transducer is employed which converts the actual image or a sound into a digital file.

Information is converted from some other physical form ( such as sound, light, temperature, pressure, position ) to an electrical signal by a transducer which converts one type of energy into another ( e. g. a microphone ).