PHILIPS MP50 LCD Touch Screen
PHILIPS Intellivue MP50 Patient Monitor Parts LCD Touch Screen
The PHILIPS MP50 Patient Monitor Touch Screen is the glass plate on the front of the MP50 patient monitor, which is the LCD touch screen on the MP50 patient monitor. The touch screen is made of tough glass and will not break easily, but be careful not to be broken by foreign objects during use or handling. This is a very important part of the MP50 patient monitor, because the MP50 patient monitor is different from the previous MP20-MP40, it uses a touch screen that is more convenient to operate, more sophisticated and contains higher technology.
Simply speaking, PHILIPS MP50 Patient Monitor Touch Scree is a four-layer composite glass, which includes ITO material, substrate, OCA glue, and outer protective glass. It consists of a four-layer structure.
ITO is an indium tin oxide material that is transparent and conductive, making it suitable for touch screens. When a finger touches a certain part of the screen, it will form a coupling capacitance with the ITO material, changing the capacitance at the contact point. There are wires at the four corners of the LCD touch screen. Since the alternating current can pass through the capacitor, the current of the four wires will rush to the contacts, and the magnitude of the current is related to the distance to the contacts. The chip inside the LCD touch screen can analyze the current at the four corners, and the position of the contact can be obtained through calculation.
A more sophisticated LCD touch screen is a projected capacitive screen. It uses an array of etched ITO layers that are corroded to form multiple horizontal and vertical electrodes. The ITO components of each part also have sensing functions. When a finger touches a certain part, it couples with the array capacitance and changes the electric field on the screen. By analyzing the current change of the electric field through the sensor and the chip, the position of the touch point can be sensed. Compared with the previous four-corner current capacitive screen, this LCD touch screen can realize multi-touch and is more widely used.
Invalid touch position :
Possible Causes of Failure | Failure Isolation and Remedy |
the touch is not calibrated | To calibrate by touch: 1. Enter the main settings menu 2. Select hardware 3. Select the touch adapter settings 4. Select Calibrate |
The touch screen of the Philips IntelliVue MP50 (M8004A) patient monitor is a 12-inch TFT LCD flat panel SVGA display. The standard input device of the MP50 patient monitor is the touch screen and combined navigation points. The touch screen of the MP50 patient monitor can display up to 6 waveforms of the patient's physiological characteristics, when using the 12-lead ECG function, 12 ECG traces can be displayed on the touch screen of the MP50 patient monitor at the same time. The efficiency is greatly improved, and the operation of the medical staff is facilitated.
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