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1147results about How to "Avoid control" patented technology

Display device for working machine

The invention is directed to a display device for working vehicle, which is adapted so that additional information can be displayed. In the invention, display indication marks of the two types can be interchangeably displayed on a common display screen of a limited area without reducing the sizes of the individual marks, so that neither a larger size of a display device nor a drop in the visibility of the indication marks is necessary. This enables the driver to control a working machine such as a construction machine and have additional information about the construction machine without any trouble in the driving.
Owner:KOMATSU LTD

Electrosurgical apparatus

An electrosurgical apparatus comprises a high frequency generator (1) with an associated power control system, a handpiece (2) with means for removably mounting an electrode (5) therein, and a connection cable (3) between an output (4) of the generator and the handpiece. The transfer characteristic of the system provides a substantially true ohmic transfer of loads on the electrode side of the connection cable (3) to the generator side thereof at or around a predetermined load on the electrode.In order to achieve a fully automatic and optimalized control af power supplied from a cutting electrode, whereby the control is instantly responding, to changes in the electrode load, the electrosurgical apparatus is characterized in that the power control system comprises a driver stage (7) followed by a reflectormeter (9) adapted and arranged to sense the generator output (4). A detector (10) supplies a detector signal which represents the reflected signal on the output (4), and the detector signal is communicated to the driver stage (7) for controlling the gain thereof.
Owner:XO CARE

Method and system for controlling air-conditioner

The invention discloses a method for controlling an air-conditioner. The method includes the steps that A, the operating mode of the air-conditioner is detected in real time; B, when the air-conditioner is in a refrigeration mode or in a dehumidification mode, the indoor environment temperature and the first indoor environment humidification of the air-conditioner are collected, and the operating time of the air-conditioner in the refrigeration mode or in the dehumidification mode is counted; C, when the operating time of the air-conditioner in the refrigeration mode or in the dehumidification mode reaches first preset time, whether the judging conditions that the first indoor environment humidification is larger than first preset humidification and the indoor environment temperature belongs to a first preset temperature interval can be met at the same time or not is judged, if yes, the step D is executed, and if not, the step A is executed; D, the operating maximum frequency of a compressor of the air-conditioner is set to be a first frequency, and the current operating frequency of the compressor of the air-conditioner is lowered according to the first frequency. The invention further discloses a system for controlling the air-conditioner. By means of the method and system for controlling the air-conditioner, the maximum operating frequency of the compressor of the air-conditioner is lowered, and condensation is prevented.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Liquid crystal display device

A liquid crystal display device 1 according to an embodiment of the present invention includes a liquid crystal display panel, a photodetector unit LS1 that is built into the liquid crystal display panel and has a TFT ambient light photosensor, an ambient light photosensor reader Re1 for reading a voltage due to photo-leakage from the TFT ambient light photosensor, and a control means 20 for controlling the photodetector unit and the ambient light photosensor reader, and a backlight 24, etc., according to an output from the ambient light photosensor reader. The photodetector unit has a switching element SW2 coupled between a source line coupled to the TFT ambient light photosensor's source electrode SL and a drain line coupled to the TFT ambient light photosensor's drain electrode DL. The control means 20 makes the source line and the drain line of the TFT ambient light photosensor be coupled to a common potential when changing a gate voltage of the TFT ambient light photosensor by keeping the switching element SW2 turned on. It is therefore possible to provide a liquid crystal display device that utilizes a thin film transistor as an ambient light photosensor and prevents degradation of an ambient light photosensor element due to a biased polarity voltage applied to the gate electrode.
Owner:JAPAN DISPLAY WEST
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