SU310244A1 - ALPHABET-DIGITAL PRINTING DEVICE - Google Patents

Description

The invention relates to the field of computer technology and can be used for input control and output of alphanumeric information from an electronic computer.

Known alphanumeric printing devices reproduce characters that contain only one character (so-called single-digit characters) and are intended to work only with an electronic computer.

To prepare alphanumeric information for input into an electronic computer in order to shorten the preparation time of information and the amount of memory occupied by the machine with a myo-character symbol (service words, identifiers of standard functions, etc.), they assign their own codes, not their division into single character characters. Control of the prepared information before entering into an electronic computer and printing it is desirable to produce also according to these codes, but the indicated alphanumeric printing devices do not provide such a possibility.

The proposed device is characterized in that a block for forming character combinations, a character search counter and a character counter of multi-character characters are entered into it, inputs

which are connected to the decoder and the control unit, and the output of the sign search counter through the OR circuit and the output of the character combination generating unit directly connected to the inputs of the AND circuit, the output of which is connected via the OR circuit to the amplification and shaping unit.

The drawing presents the block diagram of the proposed alphanumeric printing device.

The device contains a receiving vV-bit register 1, switch 2, character register 3, control unit 4, decoder 5, character counter of multi-character characters 6, character combination forwarder 7, character search counter 8, electoral circuit 9, coincidence block 10 OR circuit 11, the amplification and shaping unit 12 and the printing mechanism 13. The device operates as follows.

The information read from the position of the punch card (or other medium) or received from an electronic computer and containing n-bit character codes is fed to the receiving register /. The control unit 4, receiving a command or a signal of the main marker arriving along with information from the carrier, starts the switch 2. The switch transmits the first t bits from receiving register 1 to the character register 3 and sends a response signal to the control unit 4 to control the number of printed characters.

In accordance with the state of the register of symbol 3, on one of the outputs of the decoder 5 a symbol signal is generated. The outputs of the decoder are divided into two groups: a group of outputs corresponding to multi-digit symbols and a group of outputs corresponding to one-digit symbols. If a one-digit character code is received on symbol register 5, then a signal from decoder 5, having passed the OR 11 scheme, is formed and amplified in block 12 and is fed to the printing mechanism 13. When the character is printed, the printing mechanism responds to control unit 4 , by which the signal from the control unit switch 2 transmits to the preset register of symbol 3 a code of the second symbol, etc.

In the case of a reception on - the register of the code of the multi-character SIM-NT), 4; 1, it from the output of the decoder 5 pushes% aJ into the control unit 4, into the character counter of the multi-character symbols with the shaper of character combinations 7. On this signal the control unit 4 generates a series of pulses on the character search counter 8, the number of characters of the multi-digit character in the additional binary code is entered in the character counter 6 characters, the character combination generator 7 generates signals to print the characters my character in the necessary after And sends them in parallel to the coincidence block 10. Signals from the formaker of the character combinations 7 open the corresponding channels of the coincidence block 10. The outputs of the character search counter 8 are connected to the inputs of the selective circuit 9, the number of outputs of which is equal to the number of outputs of the imager combinations, characters and, accordingly, match. The number of outputs of these blocks is determined by the number of characters required to play multi-character characters used in the received input language (or several languages) on the printing device.

From the moment a series of pulses from control unit 4 arrives at the counting input of the character search counter 8, the selective circuit 9, sequentially generating the character search pulses at the outputs, it looks through the channels of the coincidence unit 10. The first coincidence signal produced on an open form | corresponding to the first character of the multi-digit symbol, blocks the output of a series of pulses from the control unit 4 and, having passed the OR 11 circuit and the generation and amplification unit 12, ensures the printing of the first character. The response signal of the printing mechanism .3 changes the character counter of the multi-anchor characters 6 by one and opens the output of the next pulse train from the control unit 4, and the next character of the multi-character character is printed. The channels of the match block 10 are viewed from the beginning only when the first character is printed, otherwise it continues from the channel following the channel that prints the first character, since the character search counter 8 after printing each character of the multi-character character is not reset. The character register 3 until the end of printing of the multi-character character is also not cleared. After printing the last character of a multi-character character, the character counter of multi-character characters 6

reset to the zero state, and with a signal it resets the character search counter 8 and prohibits the issuance of a series of pulses from the control unit 4. The control signal resets the register of symbol 5 by the same signal and enables the CM | Mutator 2 to transmit the next character code to this register.

After printing all the characters (single or multi-digit), the codes that were received on the receiving register 1, the signals from the block

control 4 clears the register of symbol 3, switch 2 returns to its original position and is given permission to the electronic computer or reader to issue the next array

information.

The advantages of such a device are the possibility of automatic cognitive printing of multi-character symbols according to the codes assigned to them and the possibility of interfacing the device with any source of information.

This allows the control to be prepared and derived from an electronic computer, our alphanumeric

information without the additional cost of machine time.

Subject invention

An alphanumeric printing device containing a receiving register connected via a switch to a control unit and a character register connected through a decoder and a gain and shaping unit

with a printing mechanism, and AND and OR logic, characterized in that, in order to increase reliability and enhance functionality, a block forming unit of characters,

the character search counter and the character counter of multi-character characters whose inputs are connected to the decoder and control unit, and the output of the sign search counter through the OR circuit and the output of the character combination generating unit directly connected to the inputs of the AND circuit, whose output is connected via the OR circuit with a reinforcement and shaping unit.

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