SU809255A1 - Device for registering information onto light-sensitive carrier - Google Patents

Description

The invention relates to computing technology and can be used in microfilming systems for information output from a computer. Apparatus for recording information outputted from a computer to a photosensitive medium are known, comprising an image information image generator, an information transfer mechanism and an image code converter into an optical image of information recorded on the media. The image code generator converts information from the computer in the form of character codes. graphic orders, etc. in the sequence of codes of coordinates of each element (point) of the image and the modulation control signals. The code makers in these devices perform only functions of character generators, in these cases information about the position of each character in the image field comes directly from the computer and the image code maker generates; only a sequence of codes, both printing a symbol. In other devices, in particular, the increasingly widespread cat-systems (microfilming systems of information received from a computer via communication channels), the imaging code makers perform a significantly larger volume of operations, in particular, determining the coordinates during the transition to the output of the next character , calculation of coordinates of intermediate points of the image of various lines, etc. Digital-to-optical image converters are currently in most cases based on cathode-ray tubes with diverting systems with digital-to-analog converters. Converters on optical quantum generators (lasers), matrix elements, etc., are becoming common. Media transport units move the photosensitive media in one or two directions relative to the digital-to-optical code converter, providing TiepeMemeHHe media for recording different frames. Closest to the present invention is a device comprising an image code generator, a digital code converter into an optical image of information (electron tube with a magnetic deflection system, digital-to-analog converters and amplifiers), and a carrier moving unit 12.1.

A disadvantage of the known devices is the limited format of the recorded images. This is due to the limited resolution of the ability of converters of digital codes into an optical image, be it electron tubes, matrix screens, or lasers. In microfilm systems using electron-beam tubes, difficulties arise even when it is necessary to register documents of large formats than 12.

The aim of the invention is to expand the field of application of the device by registering images of any format.

This goal is achieved in that the device containing the image code generator, the first output of which is connected to the memory unit, the code converter to the optical image and the carrier transfer mechanism, contains an adder, the AND element, the comparison circuit and the OR element, the first input of which is connected to the input device, the second input is connected to the first output of the memory unit, and the output is connected to the input of the carrier movement mechanism; the inputs of the comparison circuit are connected to the second outputs of the memory unit and the image code generator, the first input The element I is connected to the output of the comparison circuit, the second input to the third output of the image code generator, and the output is connected to the code converter into an optical image connected to the output of the adder, whose inputs are connected to the second outputs of the memory unit and the image code generator.

FIG. 1 is an enlarged block diagram of the device; in fig. 2 is a detailed block diagram of a device with a two-coordinate mechanism for moving a photosensitive carrier and a cathode ray tube with digital-to-analogue converters, a deflecting system, and a lens as a PKI.

The device contains a shader 1 of the image information codes (FCI), a 2 pgilty unit, a comparison circuit 3, an AND 4 element, an adder (a summation unit) 5, an OR 6 element, an image information converter 7 into an optical information image (CRP). the carrier movement mechanism 8 and the photosensitive medium 9. The detailed scheme shows in more detail the structure of a row of device blocks, comparison unit 3 contains four comparison schemes 10-13 and AND 14, summation block 5 contains two sucmators 15 and 16, OR element b- - two elements OR 17

and 18, PKI 7 consists of a cathode ray tube 19, a deflecting system 20, two digital-to-analog converters 21 and 22, a lens 23. The carrier moving unit 8 contains a drive control unit 24, two 25 26 motors and two worm gears 27 and 28. In addition to In addition, in FIG. 2 shows the group tires 29 (first exit

6 memory blocks), 30 (second output of the memory block), 31 (second output of the FKI) and

o 32 (output of the summation block). bus 29 includes busbars 33 and 34 along which the movement control signals are transmitted from the memory unit to the inputs of the OR circuit 17, 18. group bus 30 includes tires

35 lower border of the frame zone by X coordinate, 36 upper boundary of the frame zone by X coordinate, 37 lower border of the frame zone by Y coordinate,

0 38 of the upper boundary of the frame area by the Y coordinate. The tire 31 includes tires 39 coordinate codes X of the light spot and 40 coordinates Y of the light spot. Tire 32 consists of tires 41 and 42. Conclusion

5 (mostly large format frames) are performed in several cycles. During each cycle, it is set to a new position of the FIR in such a way that the overall image of the frame is composed of several images.

0 In this case, the FKI each time forms the entire image, but only that part of it that corresponds to the given area of the frame is displayed.

5 The device operates as follows.

At the entrance of the FKI 1, the information to be displayed is received via the information input. As part of the information, information about the frame format is transmitted to the input of the memory block 2. The storage unit stores information about the coordinates of the zone boundaries and the transfer program of the carrier. The first inputs of the OR elements 17, 18 of the commutation unit 6 of the CIO 5 receive control signals for the movement of the carrier 9, by which the engines 25 and 26 use the worm couples 27 and 28 to install the carrier 9 in the required position relative to PKI 7. At the second output of the block 2 the memory sets the coordinate codes of the boundaries of the selected frame zone, while the bus code 35 sets the code for the lower boundary of the frame zone

on coordinate X, on bus 36 - code

the upper boundary of the frame area on the Y coordinate, on the bus 37 - the lower boundary code on the Y coordinate, and on the bus 38 the upper boundary code on the Y coordinate. Comparison unit 3 compares the coordinate codes received from the FKI 31 with the coordinate codes of the boundaries zones arriving via bus 30 from the memory unit; In the event that the coordinates X and Y, formed

in the FKI, located within the boundaries of the selected zone, the AND element 14 at the output of the comparison unit 3 generates a signal, both stopping the CRI modulation control signal passing through the AND element 4, which is fed to the CRP input and then to the CRT modulator 19. The same the signal from the output of the AND 4 element can be fed to the second input of the FKI 1. With the presence of this signal, the FKI provides the duration of the output signals required for recording the eletjeHTa image. Codes of the X and Y coordinates of the bus 31 are fed to the input of the 5 summation unit; the X coordinate code is fed to the input of the adder 15, and the Y coordinate code to the input of the adder 16. To the second inputs of the adders 15 and 16, through the second input of the 5 summing unit the output of the memory block along the buses 35 and 37 receives the codes of the coordinates X and Y at the upper boundary of the selected zone. The adders 15 and 16 are subtracted from the coordinate codes formed by the FKI, the coordinate codes of the lower zone boundaries and the difference codes over the bus 32 are sent to the PC coordinate input and then to digital-to-analog converters 21 and 22, where they are converted into signals of the deflecting beam of the CRT along the X coordinate and The process of outputting the pixels is repeated until all the information for this frame has been output from the FKI. The media will record not all information, but only that part of it, which lies within the boundaries of the selected frame zone. After the last fragment of the image has been output from the FKI, a signal is sent from the first output of the FKI to the input of the memory block 2, which in the first block, according to the frame format information, the movement control signals are received through the switching unit 6 to the input of the transfer mechanism and providing installation of the carrier to a new position corresponding to the next zone, after which the process is repeated with the difference that at the second output of the memory block, codes for the boundaries of the second zone are formed, as a result of which and the CRT screen only highlights the elements whose coordinates lie within the new zone. The use of the present invention allows, even with the use of electron-beam tubes with a resolution not exceeding 1000-2000 lines on the side of the screen, to output to the photosensitive carrier design documents 22, 24 and large formats. Claims of the invention A device for recording information on a photosensitive medium containing an image code generator, the first output of which is O1 is connected to a PS1m unit, a code converter into an optical image and a carrier transfer mechanism, characterized in that, in order to expand the field of application of the device by registering images of any formats, it contains an adder, an AND element, a comparison circuit and an OR element, the first input of which is connected to the device input, the second input - to the first output of the block and the output is connected to the input of the carrier movement mechanism, the inputs of the comparison circuit are connected to the second outputs of the memory unit and the image code generator, the first input of the AND element is connected to the output of the comparison circuit, the second input is connected to the third / l output of the image code generator, and the output - with a code converter into an optical image connected to the output of an adder, the inputs of which are connected to the second outputs of the memory unit and the image code generator. Sources of information taken into account in the examination 1. Ausrfach, Computer Technology Repotts Datagraphix 4020, BeTl and Howell. 2; US Patent 3,614,764, Cl. 340-324, pub. 1971 (prototype).

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Claims (1)

Claim A device for recording information on a photosensitive medium containing an image code generator, the first output of which is connected to a memory unit, a code to optical image converter and a media transfer mechanism, characterized in that, in order to expand the scope of the device by registering images of any format , it contains an adder, an AND element, a comparison circuit and an OR element, the first input of which is connected to the input of the device, the second input is to the first output of the memory unit, and the output is connected with the input of the media transfer mechanism, the inputs of the comparison circuit are connected to the second outputs of the memory block and the image code generator, the first input of the And element is connected to the output of the comparison circuit, the second input is the third output of the image code generator, and the output is with the code converter into the optical image connected with the output of the adder, the inputs of which are connected to the second outputs of the memory unit and the image code generator.