SU1234860A1 - Mosaic printer - Google Patents

Abstract

The invention makes it possible to improve the quality of the printed information in the mosaic printing device by sweeping the printed information element by element 1 but in the direction of the line and line by line in the direction of movement of the information carrier. The ends of the same name of flat printing coils (L o 00 and szo O5 o

Description

elements of the block diagram of the device unit in the printing module 1, the number of which is equal to the number of characters in a line. Each coil, the component module 1, determines the point of the symbol segment on the information carrier. Each printing element and the drive of the discharge mechanism are connected to the switching units 4. Block 4 connects. It through the block 5 of amplifiers with the input of the control block 6 and has a thyristor circuit connected directly to the AC network. The control circuits of the thyristor circuit and the output circuits of the amplification unit 5 are disconnected. The invention relates to printing devices and can be used in devices for outputting textual and graphical computer information,

The purpose of the invention is to improve the quality of the printed information by sweeping the printed information elementwise in the line direction and line by line in the direction of movement of the information carrier.

The drawing shows a block diagram of a printing device. /

The same ends of the flat coils of the printing elements are combined into a printing module 1 The number of modules 1 equals the number of characters in a line. Each coil, component module 1, determines the point of a symbol segment on the storage medium. The coils of the printing elements and the row-dispensing mechanism 2 are shown in the block diagram conventionally, and the carrier 3 is not shown in the diagram. Each printing element and the drive of the row bit mechanism 2 are connected to switching units 4, Block 4 is connected via block 5 of amplifiers to the input of control unit 6 and has a thyristor circuit connected directly to the AC network. The control circuits of the thyristor circuit and the output circuits of the block of amplifiers 5 are electrically isolated with the help of optocouplers.

are galvanically using optocouplers. The control unit 6 contains the interface of the channel, subchannel and synchronization 7, the buffer memory 8, the counter 9, the comparison circuit 0, the persistent memory 11, the decoder 12, the counter node 13. The node 7 sets the mode and synchronization of the operation of all blocks and nodes devices. The comparison circuit 10 contains a read-only memory for storing the Space and the Line Pass codes. The control unit 6 is connected to the input unit 4 and to the channels. 1 il.

The control unit 6 contains a node 7 interface channel, subchannel and synchronization, buffer storage device 8, the counter 9, the comparison circuit 5 and 10, the persistent storage device 11, the decoder 12, the node of the counter 13. The node 7 sets the mode and synchronization of all blocks and device nodes. Comparison Chart 10

10 contains a ROM for storing Space and Line Pass codes. The control unit 6 is connected to the input unit 14 and to the channels.

15 Mosaic printing device operates as follows.

Node 7 establishes the initial (zero) state of the counters 9,13 and, when communicating with the channel,

20 Record mode. The input of the control unit 6 from an external source of information is received sequentially (byte-by-byte an array of binary information in the form Pr ,, ..., Pr ", symbol 1, symbol P. 5 ..., symbol m, 1C, The array of information is sequentially written into the buffer the memory device 8 at the address determined in each clock cycle by the counter 9, the incoming code

30 in Record mode in circuit 10 is compared with the storage. The result of the comparison goes to node 7 to form a signal Reset counter 9 and the signal of the standard M end operation

Record. When counter 9 overflows with the signal Transfer in node 7, a Switch signal is generated (not shown in the diagram to determine the standard operation of terminating the device’s communication with a channel or subchannel and resetting the counter 9) After the recording mode is cleared by node 7, the Read mode is set. condition

The distance between the centers of the next printed points is equal to the distance between the data carrier 3. In addition, a signal from node 7 is sent from the second current transformer to generate reset signals for counter 9 and change the state of node counters 13 with a conversion factor k, where k is the number of segments in the symbol. Further

the counter 9, from the buffer memory key reading the character codes from the device 8, reads the space code which is compared with the stored code in the comparison circuit. The result of the comparison goes to node 7. A signal is generated from it to change the NIN state of the counter 9 and the print blocking signal. Further, the rest of the space codes are modified by the changed addresses from the buffer memory 8. By reading the code Pr, the address is set by the counter 9 for selecting the symbol code T. From it, from the ROM 11 in the zero state of the counter node 13, the code of the segment of this symbol is selected.

A fern memory device, a counter, a node of counters, a switch, an amplifier node and an input node, characterized in that, for the purpose of which it goes directly to, 25 ism with an electromagnetic drive, the block of 5 amplifiers and further to the opto-thyristor circuits, and the address counter 9 is decrypted by circuit 12. The selected bus of the decoder of codes 12 is fed to one opto-thyristor circuit. In this way, a single module is selected according to the quality of the printed information. It is determined by the address of the counter 9 and corresponds to the selected symbol T. At node 7, the print lock is unlocked and the print resolution signal opens 35 amplifiers corresponding to the code segment code, the thyristor control circuit diodes are illuminated. the voltages on the anode-cathode circuits of the selected thyristors of the last 40 are opened, current flows through the coils of the selected module, the module's printing elements are triggered and points are printed with The symbol segment on carrier 3 (not shown in the diagram). 45 The first current transformer in switch 4 generates a pulse and enters node 7. A pulse is generated from it to change the state of counter 9 of the address. At this address 50, the next character is read in the next clock cycle, and so on. When the transfer code 8 is read from the buffer memory 8 by the comparison circuit 10, a signal is generated that is fed to the gain unit 5 and then to the thyristor circuit of the scanning line mechanism 2. Repeating the printout of the printed information element by element in the direction of the line and line by line in the direction of movement of the information carrier, a interface node, a persistent storage device, a comparison circuit, a decoder and an additional switch are entered into it, the first output of the connection counter It is connected to the first input of the buffer memory and through the decoder to the first input of the amplifier unit, the second input of which is connected to its third input and to the first output of the interface node, the second outputs and the first input of which are connected respectively to the first inputs and the second output of the counter, the fourth input of the amplifier unit is connected to the output of a permanent storage device, the first input connected to the first output of the metering unit, the input of which is connected to the third output of the interface node, the fourth output of the connected to the first input of the comparison circuit and to the second input of the buffer storage device, the output of which is connected to the second input of the permanent storage media 3 information media by an amount equal to the distance between the centers of the adjacent printable points. In addition, a signal from node 7 is sent from the second current transformer to generate reset signals for counter 9 and change the state of node counters 13 with a conversion factor k, where k is the number of segments in the symbol. Further

The ferrous memory device 8 is repeated, and the selection of segments from the ROM 1 1 is performed at the new address of the counter node 13, etc. The transfer signal from node 13 goes to node 7 to form a reset of counters 9 and 13 and a signal. Request new information in a channel or subchannel.

Claims (1)

Invention Formula A mosaic printing device containing a modular mosaic print head, a string discharge memory storage device, a counter, a meter node, a switch, an amplifier node and an input node, characterized in that, in order to increase the electromagnetic drive, to enhance the quality of the printed information EMC with electromagnetic drive, enhancing the quality of printed information jiyTeM scanning the printed information element by element in the direction of the line and line by line in the direction of movement of the information carrier, the interface node, the permanent memory, the comparison circuit, the decoder and the additional switch are entered into it, the first output of the counter is connected to the first input of the buffer memory device and through a decoder with the first input of the amplifier unit, the second input of which is connected to its third input and the first output of the interface node, the second outputs and the first input of which associated with the first inputs and the second output of the counter, the fourth input of the amplifier unit is connected to the output of a persistent storage device, the first input connected to the first output of the metering unit, the input of which is connected to the third output of the interface node, the fourth output from connected to the first input of the comparison circuit and to the second input of the buffer storage device, the output of which is connected to the second entrance of the permanent storage device 512348606 with the second input of the circuit of the Era-amplifiers, the second outputs of which third input and first output with additional inputs which are connected respectively to the switch, the outputs of which are connected the fifth output and with the second input of the node with the second outputs of the switch through mates, the sixth output of which is a mosaic printhead and sling connected to the second output of the Era-cod circuit, while the fourth and fifth inputs of the amplifier node, the input of the interface node are connected to the sixth input of which is associated with the seventh output of the metering node, and the input node the output of the interface node, the third input of its input and output connections connected to the first outputs of the corresponding respectively fifth input of the motorist, the first inputs of the node and the eighth output of the node connected to the first outputs of the node.