KR20010105696A - Management circuit of input signal in monitor - Google Patents

Abstract

Efficient and consistent processes for manufacturing moldings, especially ophthalmic lenses such as contact lenses. The processes comprise a series of improvements, including improvements in the areas of conditions for dispensing liquid prepolymer into lens molds, male and female mold mating, reusable molds, mold cleaning, lens separation from molds (demolding), lens handling, and in- line inspection. Cyclic series of processing steps are also disclosed. Additionally, an improved molding tool is disclosed, with the molding tool including a male mold housing and a female mold housing, each of which has disposed therein a plurality of mold halves.

Description

Management circuit of input signal in monitor

In the present invention, a monitor connected to a computer system and used as a screen display device, the MCU by switching the input signal input from the computer system through the 15-pin D-sub port and the 5-pin BNC jack It relates to an input signal processing circuit of a monitor to be input to.

There are two types of monitors that can input video signal, horizontal sync signal and vertical sync signal output from computer system. 15-pin D-sub port, which is generally used, is mainly used for CAD and CAM. There is a 5-pin BNC jack with excellent image quality.

In recent years, as a monitor becomes larger and higher in resolution, a 15-pin D-sub port and a 5-pin BNC jack are used as ports for inputting a signal from a computer system. That is, it has both 15-pin D-sub port and 5-pin BNC jack, and inputs the signal of one computer system through 15-pin D-sub port or 5-pin BNC jack, or 15-pin D Connect two computer systems to the -sub port and the 5-pin BNC jack, respectively, and then selectively input the signal of the user's desired port from the 15-pin D-sub port and 5-pin BNC jack on the monitor. The monitor allows you to use two computer systems.

Monitors equipped with both 15-pin D-sub ports and 5-pin BNC jacks are typically integrated for switching to enable selective input of signals from 15-pin D-sub ports and 5-pin BNC jacks. The element is adopted.

1 is a conventional input signal processing circuit diagram. Here, reference numeral 10 denotes a 15-pin D-sub port for inputting image signals R1, G1, B1, horizontal synchronization signal HS1, and vertical synchronization signal VS1 from a computer system, and reference numeral 12 denotes an image from a computer system. It is a 5-pin BNC jack for inputting signals R2, G2 and B2, a horizontal synchronizing signal HS2 and a vertical synchronizing signal VS2. Reference numeral 14 denotes a video signal R1, G1, B1, a horizontal sync signal HS1, a vertical sync signal VS1 input by the 15-pin D-sub port 10, and the 5-pin BNC jack 12. The input video signals R2, G2 and B2, the horizontal synchronizing signal HS2 and the vertical synchronizing signal VS2 are switched in accordance with the control signal CS1 to switch the image signals R0, G0 and B0 and the horizontal synchronizing signal ( HS0), a switching integrated device for generating a vertical synchronization signal VS0 and a Synchronous On Green signal SOG, and reference numeral 16 generates the control signal CS1 to generate the switching integrated device 14. Control the switching operation and input the horizontal synchronizing signal HS0, the vertical synchronizing signal VS0, and the sync on green signal SOG that the switching integrated device 14 switches to output. MCU to control.

The conventional input signal processing circuit configured as described above has the control signal when the MCU 16 outputs the control signal CS1 for selecting the signal of the 15-pin D-sub port 10 according to the user's selection. According to the CS1, the switching integrated device 14 receives the image signals R1, G1, and B1, the horizontal synchronization signal HS1, and the vertical synchronization signal VS1 input through the 15-pin D-sub port 10. Select to output the image signals R0, G0, B0, the horizontal synchronization signal HS0, the vertical synchronization signal VS0, and the sync on green signal SOG.

When the MCU 16 outputs a control signal CS1 for selecting a signal of the 5-pin BNC jack 12 according to a user's selection, the switching integrated device 14 according to the control signal CS1. ) Selects the video signals R2, G2 and B2, the horizontal synchronizing signal HS2 and the vertical synchronizing signal VS2 input through the 5-pin BNC jack 12, thereby selecting the image signals R0, G0 and B0, The horizontal synchronization signal HS0, the vertical synchronization signal VS0, and the sync on green signal SOG are output.

As described above, the image signals R0, G0, and B0 output by the switching integrated device 14 are input to the image display unit (not shown) according to the control signal CS1, and the horizontal synchronization signal HS0, The vertical synchronizing signal VS0 and the sync on green signal are input to the MCU 16. The MCU 16 may generate a signal according to the horizontal synchronizing signal HS0, the vertical synchronizing signal VS0, and the sync on green signal SOG. The video display unit controls the display of the video signals R0, G0, and B0 on the screen.

On the other hand, in the form of the horizontal and vertical synchronization signal input to the monitor from the computer system, the horizontal synchronization signal and the vertical synchronization signal is separated into a separate (separate) form, respectively, and the vertical synchronization signal is loaded on the horizontal synchronization signal, the horizontal synchronization signal There is a composite form input to a line of and a sync on green form in which both the horizontal synchronizing signal and the vertical synchronizing signal are loaded on the image signal G among the image signals R, G, and B.

Therefore, the switching integrated device 14 selects a signal of the 15-pin D-sub port 10 or the 5-pin BNC jack 12 according to the control signal CS1 output from the MCU 16, and then selects the signal. The horizontal and vertical sync signals inputted from the 15-pin D-sub port 10 or the 5-pin BNC jack 12 are discriminated. The output of the horizontal synchronization signal HS0 and the vertical synchronization signal VS0 is output to the MCU 16 and the sync on green type is synchronized to a separate output terminal, that is, the output terminal of the sync on green signal SOG. The signal is output and input to the MCU 16.

Accordingly, when the horizontal synchronization signal and the vertical synchronization signal have a separate type, the MCU 16 must input the horizontal synchronization signal and the vertical synchronization signal through the lines of the horizontal synchronization signal HSO and the vertical synchronization signal VSO, respectively. In the composite type, the horizontal sync signal and the vertical sync signal must be input through the line of the horizontal sync signal HSO, and in the sync on green type, a separate sync on green signal SOG is input. In order to input the horizontal synchronization signal and the vertical synchronization signal to provide a separate input terminal for inputting the sync on green signal to the MCU 16, the design of the MCU 16 is complicated and the production cost is increased. Will rise.

In addition, the MCU 16 should determine whether the type of the horizontal synchronization signal and the vertical synchronization signal input are in the form of a separate, composite or sink on green. For example, in a monitor adopting a power saving mode, the presence of the horizontal synchronizing signal and the vertical synchronizing signal is determined to perform the power saving mode operation. The MCU 16 first performs the horizontal synchronizing signal ( It is determined whether the horizontal synchronizing signal HSO and the vertical synchronizing signal VSO are input through the lines of the HSO and the vertical synchronizing signal VSO, and if it is not determined, the line of the sync on green signal SOG is inputted. After determining whether the horizontal synchronization signal (HSO) and the vertical synchronization signal (VSO) are input through the power saving mode operation.

Therefore, the MCU 16 performs the input signal determination program for judging the input of the horizontal synchronization signal and the vertical synchronization signal is very complicated, there is a problem that the possibility of error is high, thereby reducing the reliability of the product.

In addition, since most low-cost monitors do not adopt a sync on green signal, the general MCU 16 does not have a terminal for inputting a separate sync on green signal, and thus, the hardware of the MCU 16 may be reduced. There was a problem that publicization and software publicization were difficult.

Accordingly, an object of the present invention is to provide a horizontal synchronization signal of the MCU by combining the horizontal synchronization signal and the sync on green signal outputted by the switching integrated device into one, without providing a separate input terminal for inputting the sink on green signal to the MCU. It is to provide an input signal processing circuit of a monitor to be input to the terminal.

1 is a conventional input signal processing circuit diagram;

2 is an input signal processing circuit diagram of the present invention.

* Description of the symbols for the main parts of the drawings *

10: 15-pin D-sub port 12: 5-pin BNC jack

14: switching integrated device 16: MCU

20: Horizontal sync / sink on green signal output

R0, R1, R2, G0, G1, G2, B0, B1, B2: Video signal

HS0, HS1, HS2: Horizontal Sync Signal VS0, VS1, VS2: Vertical Sync Signal

SOG: Sync On Green Signal CS1: Control Signal

21, 23, 25: resistor 27, 29: first and second transistor

According to the input signal processing circuit of the monitor of the present invention for achieving this object, the horizontal synchronization using the switching integrated device does not output a predetermined signal to the line of the horizontal synchronization signal and the line of the sync on green signal at the same time 15-pin D-sub of the first video signal, the first horizontal sync signal and the first vertical sync signal from the computer system by synthesizing the signal of the signal line and the line of the sync on green signal and inputting the synthesized signal to the MCU. port; A 5-pin BNC jack for inputting a second image signal, a second horizontal synchronizing signal, and a second vertical synchronizing signal from a computer system; Switching integrated device which outputs an image signal, a horizontal synchronizing signal, a vertical synchronizing signal and a sync on green signal by switching an input signal of the 15-pin D-sub port and an input signal of the 5-pin BNC jack according to a control signal ; A horizontal synchronous / sink on green signal output unit configured to generate a horizontal synchronous / sink on green signal by synthesizing a line for outputting a horizontal synchronizing signal and a sync on green signal by the switching integrated device; And controlling a switching operation by outputting a control signal to the switching integrated device, and horizontal synchronization between a signal outputted by the switching integrated device as a line of a vertical synchronization signal and an output signal of the horizontal synchronization / sink on green signal output unit. And a MCU which detects a signal and a vertical synchronization signal and controls a display operation of an image signal output by the switching integrated device.

The horizontal synchronous / sink on green signal output unit applies a line of the horizontal synchronization signal and a line of the sync on green signal of the switching integrated device to the bases of the first and second transistors through the first and second resistors, respectively. And a power supply is commonly connected to the collectors of the first and second transistors through a third resistor, and a horizontal synchronization / sink on green signal is output from the connection point to be input to the MCU. .

Hereinafter, the input signal processing circuit of the monitor of the present invention will be described in detail with reference to the accompanying drawings of FIG. 2, where the same reference numerals are assigned to the same parts as in the prior art.

2 is an input signal processing circuit diagram of the present invention. As shown therein, the input signal processing circuit of the present invention synthesizes the horizontal synchronization signal HSO and the sync on green signal SOG output by the switching integrated device 14 to the horizontal synchronization / sink on green signal HSOG. It is provided with a horizontal synchronous / sink on green signal output unit 20 for generating and inputting to the MCU (16).

The horizontal synchronous / sink on green signal output unit 20 includes a horizontal synchronization signal HSO and a sync on green signal SOG output from the switching integrated device 14 through resistors 21 and 23. It is connected to the base of the transistors 27 and 28, respectively, and is connected to the collectors of the transistors 27 and 29 so that the power source B + is commonly applied through the resistor 25, and at the connection point, the horizontal synchronization / sink is performed. On green signal (HSOG) is configured to be output and input to the MCU (16).

In the input signal processing circuit of the present invention configured as described above, the control signal CS1 causes the MCU 16 to select a signal of the 15-pin D-sub port 10 in the same manner as in the prior art while the power supply B + is applied. In the case of outputting the switching integrated device 14, the image signal R1, G1, B1, horizontal synchronization signal HS1 and vertical synchronization signal VS1 input through the 15-pin D-sub port 10. Select to output video signals R0, G0, B0, horizontal sync signal HS0, vertical sync signal VS0, and sync on green signal SOG, and the MCU 16 sends a 5-pin BNC jack. When outputting the control signal CS1 for selecting the signal of (12), the switching integrated device 14 is a video signal (R2, G2, B2), horizontal input through the 5-pin BNC jack 12, The synchronization signal HS2 and the vertical synchronization signal VS2 are selected and output as the image signals R0, G0, B0, the horizontal synchronization signal HS0, the vertical synchronization signal VS0, and the sync on green signal SOG. , According to the control signal CS1 The video signals R0, G0, and B0 output from the switching integrated device 14 are input to the video display unit (not shown), and the vertical synchronization signal VS0 is input to the MCU 16.

Here, when the input horizontal sync signal and the vertical sync signal have a separate form, the switching integrated device 14 is a line of the horizontal sync signal HSO and the vertical sync signal VSO, and the horizontal sync signal and the vertical sync signal. The horizontal synchronization signal outputted by the switching integrated element 14 to the line of the horizontal synchronization signal HSO is outputted to the transistor 27 through the resistor 21 of the horizontal synchronization / sink on green signal output unit 20. Is applied to the base of < RTI ID = 0.0 >), < / RTI > the transistor 27 outputs a horizontal synchronization signal to its collector while repeating on and off, and the output horizontal synchronization signal is input to the MCU 16. At this time, the switching integrated device 14 continuously outputs a low potential to the line of the sink-on-green signal SOG so that the transistor 29 remains off, and the horizontal synchronization signal HSO is sent to the MCU 16. There is no effect on the input.

The switching integrated device 14 outputs a composite signal of the horizontal synchronizing signal and the vertical synchronizing signal through the line of the horizontal synchronizing signal (HSO) when the input horizontal synchronizing signal and the vertical synchronizing signal are in the form of a composite. The composite signal of the horizontal synchronizing signal and the vertical synchronizing signal outputted through the line of the horizontal synchronizing signal HSO is connected to the MCU 16 through the transistor 27 of the horizontal synchronizing / sink-on-green signal output unit 20 as in the separate form. In this case, the switching integrated device 14 continuously outputs a low potential to the line of the sync on green signal SOG so that the transistor 29 remains off, and the line of the horizontal synchronization signal HSO is The composite signal of is input to the MCU 16 has no effect.

In addition, when the type of the horizontal synchronization signal and the vertical synchronization signal input is a sync on green type, the switching integrated device 14 outputs a composite signal of the horizontal sync signal and the vertical sync signal to the terminal of the sync on green signal (SOG). The synthesized signal of the terminal of the sink on green signal SOG is applied to the base of the transistor 29 through the resistor 23 of the horizontal synchronization / sink on green signal output unit 20 so that the transistor 29 is applied. The synthesized signal is output to the collector while repeating the on and off, and the output synthesized signal is input to the MCU 16. At this time, the switching integrated device 14 continuously outputs a low potential to the line of the vertical synchronization signal VSO, so that the transistor 27 remains in an off state, and the combined signal of the horizontal synchronization signal and the vertical synchronization signal is the MCU 16. Will not have any effect.

As described above, according to the present invention, a separate terminal for inputting the sync on green signal to the MCU by synthesizing the signals output to the terminals of the horizontal synchronization signal and the sync on green signal of the switching integrated device into a single MCU Due to this, the design of the MCU is simplified, thereby reducing the production cost, and the program of the input signal for judging the input of the horizontal sync signal and the vertical sync signal by the MCU is simple, as well as the possibility of error. At the same time, it improves the reliability of the product and can achieve the hardware and software common use of the MCU.

Claims (2)

A 15-pin D-sub port for transmitting the first image signal, the first horizontal synchronizing signal, and the first vertical synchronizing signal from the computer system; A 5-pin BNC jack for inputting a second image signal, a second horizontal synchronizing signal, and a second vertical synchronizing signal from a computer system; Switching integrated device which outputs an image signal, a horizontal synchronizing signal, a vertical synchronizing signal and a sync on green signal by switching an input signal of the 15-pin D-sub port and an input signal of the 5-pin BNC jack according to a control signal ; A horizontal synchronous / sink on green signal output unit configured to generate a horizontal synchronous / sink on green signal by synthesizing a line for outputting a horizontal synchronizing signal and a sync on green signal by the switching integrated device; And A control signal is output to the switching integrated device to control a switching operation, and a horizontal synchronization signal is output from a signal outputted by the switching integrated device as a line of a vertical synchronization signal and an output signal of the horizontal synchronization / sink on green signal output unit. And an MCU which detects a vertical synchronization signal and controls a display operation of an image signal output by the switching integrated device. The display device of claim 1, wherein the horizontal synchronization / sink-on-green signal output unit comprises; The line of the horizontal synchronization signal and the line of the sync on green signal of the switching integrated device are connected to the bases of the first and second transistors through the first and second resistors, respectively, and are collectors of the first and second transistors. And a power supply is connected in common via a third resistor, and a horizontal synchronization / sink on green signal is output from the connection point to be input to the MCU.