SU1594592A1 - Device for forming sights and masc on crt screen - Google Patents

Abstract

The invention relates to automation and computing and can be used in the construction of display devices and information processing. The purpose of the invention is to simplify the device. To do this, the fourth and fifth triggers 16 and 17 are introduced into the device with the corresponding functional connections. The invention allows to simplify the device by sequentially calculating with the counters 9 and 10 at the beginning of the highlights of the first reticle, and then - according to the size of the mask included in them - the highlights of the second reticle. 1 il.

Description

The invention relates to avtoma2

tick and computing technology and can be used in the construction of display devices and information processing. The purpose of the invention is to simplify the device. To do this, the device introduced the fourth and fifth triggers 16 and 17 with the corresponding functional connections. The invention allows to simplify the device due to the sequential calculation of the counter 9 and 10 at the beginning of the highlights of the first viewfinder, and then, according to the size of the mask's registration in them, of the highlights of the second viewfinder. 1 il.

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The invention relates to automation and computing and can be used to build display devices and information processing.

The purpose of the invention is to simplify the device.

The drawing shows a functional diagram of the device.

The device contains the first 1, second 2, third 3, fourth 4 and fifth 5 switches, first 6, second 7, third 8, fourth 9 and fifth 10 counts, first Pi second 12 elements YLI, first 13, second 14, third 15, fourth 16 and fifth 17 triggers, and element J-ILY 18. In addition, the device has an output 19 for connection to a CRT modulator ,, first 20, second 21, third 22 control inputs, 23-25 personnel inputs, horizontal, blanking th clock pulses.

At input 20, a signal is sent to specify the output mode of the VIZIR mode, and at input 21, a signal is received from the MASK mask. On; input 22 UPR separately and alternately receives control signals switches 1-3. According to them, the direction of movement of the sights is specified.

The device works as follows.

Depending on the state of the control inputs of the switches 1-3 in 4 counters 6, 8, the values of the vertical and horizontal coordinates of the first reticle are set according to the signals of a frame-damping pulse (OIG), and the size of the frame in counter 7. Trigger 14 is reset according to the pulse-quenching pulse • (TIG), trigger 15 is triggered according to OIG. According to their “O” condition, switch 4 connects the output of counter 6 to the information input of counter 9, and switch 5 to the information input of counter 10 of the counter output 8, and the counters 9 and 10 set the coordinates of the first reticle. In this case, the OTP come on. control input recording counter 9 through the element OR 11, OIG to the control input recording counter 10 through the element OR 12.

At the end of the GIS counter 9 on the signals of clock pulses (SI). starts working on subtraction right up

'until the inverse reverse transfer signal arrives at its output.

Trigger 13 is set by its level “0” by the SI signal, and trigger 14 is set by its falling edge. Trigger 14 is set by setting trigger 14, which is reset by the level “0 ″ of SI. Trigger 13 is reset by the next SI,

As "1" at the output of the trigger 14, the switch 4 connects to the information input of the counter 9 the output of the counter 7 and the signal from the output of the trigger 16, which enters the record control input of the counter 9 through the element 11, is entered into the counter 9

15 frame size, after which counter 9 starts working again on subtraction and on the next transfer signal, trigger 13 again generates a signal ’illumination, and trigger 16 is reset.

20 Thereby trigger. 13 forms the illumination signals for the vertical lines of both sights in the current scan line, and the trigger 14 for the vertical borders of the mask.

25 Installation of the vertical coordinate of the first reticle and frame size in the counter 10 through the switch 5 takes place in the OIG in a similar way. The subtractive counting in the counter 10 is conducted 30 by the SGI. As a result, the output of the counter 10 generates signals to illuminate the horizontal lines of the sights in the current sweep frame, and the state of the trigger 15 determines the horizontal mask boundaries.

$ 3 'In the mode of formation of sightings on

Inlet 20 is set to "I", at inlet 21 - "0". The illumination signals of the sights are output to output 19 via Eleddent 18 from the outputs of counter 10 and trigger 13. In the mas.ku formation mode, input 1 is set to “1”. Mask illumination signals are generated by coincidence of the levels “1” at the outputs of the triggers 14 and 15.

Moving the sights and masks around the screen is done by modifying the counters 6 and 8, changing the size of the mask and the distance between the sightings and modifying the counter 7.

• "

Thus, counters 9 and 10 first determine the coordinates of the first reticle, and then the second, while maintaining the dimensions of the mask as it moves around the screen. This makes it possible to reduce the number of microscheck packages from 27 to 20.

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Claims (1)

Claim Device for the formation of sights and masks on the screen of the electron beam tube (CRT) containing $ the first, second, third, fourth and fifth counters, the first and second elements OR, the first, second and third triggers, and the AND-OR element, the output. ^ d which is the output of the device for connection to a CRT modulator, the first inputs of the first and second groups of inputs of the AND-OR element are the first control input of the device, the second, 5 the input of the first group of inputs of the Y-OR element is connected to the inverse output of the first trigger; the first input of the third group of inputs of the AND-OR element is the second control input of the device; the second and third inputs of the third group of inputs of the AND-OR element are connected respectively to the outputs of the second and the third flip-flop, the "Set 0" input of the third flip-flop is the 25 input of the device's device blanking pulses and is connected to the information inputs of the first, second and third switches; the control input of the first switch is the third control input device is. and connected to the control inputs of the second and third switches, the first outputs of the first, second and third switches are connected to the direct inputs of the first, second and third counters, respectively, the second outputs of the first, second and third switches are connected to the counting inputs of the first, dd the second and third counters, respectively; the countdown input of the fourth counter is the clock input of the device and connected to the clock input of the first trigger; the countdown input of the fifth counter is the input of the device lower quenching pulses and connected to the input I of the first trigger connected to input "Set 0" of the second trigger, characterized in that, in order to simplify the device, it contains the fourth and fifth triggers, the inputs "Setting 0" are: connected to the input of clock pulses The inputs “Setup 1” of the fourth and fifth flip-flops are connected respectively to the outputs of the second and third flip-flops connected to the control inputs of the fourth and fifth switches, respectively, the outputs of the fourth and fifth flip-flops are connected to the first inputs of the first and second elements OR, the outputs of which are connected to the inputs control the recording of the fourth and fifth counters, respectively, · the second inputs of the OR elements are connected respectively to the inputs of the horizontal and personnel blanking pulses of the device; the inverse output is four this counter is connected to the information input of the first and counting inputs of the second trigger, the inverse output of the fifth counter is connected to the counting input of the third trigger and the second input of the second group of inputs of the AND-OR element, the output of the first counter is connected to the first information input of the fourth switch, the second information input of which is connected with the output of the second counter connected to the first information input of the fifth switch, the second information input of which is connected to the output of the third counter. I · ·.