Category: V

Vaginal birth after cesarean (VBAC) refers to the possibility of opting for vaginal deliveries in subsequent pregnancies following a previous cesarean delivery. This option allows women who have undergone cesarean sections to have the opportunity for a vaginal birth experience in future pregnancies.  

The collective endeavor of organizations such as the American Hospital Association, the American Medical Association, and other stakeholders aims to effectively minimize hospital expenditures. This collaborative effort is driven by the goal of optimizing the utilization of resources, enhancing cost-efficiency, and improving the overall financial sustainability of healthcare institutions. By working together, these entities strive…

An apparatus that ensures the voltage of a generator or any other voltage source remains within specified limits, even when the input voltage fluctuates, is commonly referred to as a voltage regulator. It is also known as an automatic voltage regulator or a line voltage compensator. This device actively regulates and stabilizes the output voltage,…

When an electric current passes through a component or conductor, there is a decrease in voltage across it due to the resistance it offers. This decrease in voltage is commonly referred to as the voltage drop. Specifically, the voltage drop across a resistor is often termed an “IR drop,” highlighting the relationship between the current…

A now outdated approach to full-wave rectification involved the utilization of charged capacitors in a system that was developed from a 100 kV transformer and later upgraded to 200 kV for therapy tubes. This rectification method, which has become obsolete, aimed to convert alternating current (AC) into a pulsating direct current (DC) by employing capacitors…

A specific category of television pick-up tube, commonly measuring one inch in diameter and six inches in length, is recognized for its distinctive characteristics. This type of pick-up tube functions as an essential component in television systems, capturing and converting visual information into electrical signals for further processing and display. Its compact size and standardized…

The Howdon Videx Corporation is credited with the production of the inaugural x-ray beam collimator. This device serves the purpose of controlling and shaping the x-ray beam by restricting its dimensions and directing its path. The collimator, developed by Howdon Videx Corporation, played a significant role in enhancing the precision and accuracy of x-ray imaging…

A magnetic recording device of note is designed to record information on a magnetically sensitive plastic tape in the form of adjacent parallel tracks. During playback, the recorded image is displayed on a monitor or receiver, presenting it with regular motion as intended. This system allows for the retrieval of the recorded content and its…

An example of a magnetic recording device is a rigid disk-based system that operates on the principle of concentric tracks. The disk is coated with a magnetic material, enabling the recording process. This particular device functions primarily as a single-frame mechanism. However, it is capable of recording frames at standard television frame rates, allowing for…

Concerning the visual component of a television system, the term “video” refers to the picture signal that carries the visual information. It encompasses the electronic representation of images or moving pictures displayed on a television screen. The video signal is responsible for transmitting the visual content, allowing viewers to perceive the images and motion on…