SU1363479A1

SU1363479A1 - Apparatus for shaping international no. 2 telegraph code

Info

Publication number: SU1363479A1
Application number: SU864094731A
Authority: SU
Inventors: Вениамин Алексеевич Зырянов; Надежда Владимировна Белова
Original assignee: Войсковая Часть 25840
Priority date: 1986-07-24
Filing date: 1986-07-24
Publication date: 1987-12-30

Abstract

Изобретение относитс к электросв зи и может использоватьс дл формировани международного телефонного кода № 2. Изобретение позвол ет упростить устройство. Код, предназначенный дл передачи, в параллельном виде записьюаетс в регистр 1 и последовательно считьтаетс на выход устройства.(Устройство содержит регистр 1 сдвига, вьшолненный на триггерах 2-8, элементы И 9,11 и элемент ИЛИ 10. 1 ил. (Л со ot со 4 соThe invention relates to telecommunications and can be used to form international dialing code No. 2. The invention simplifies the device. The code to be transmitted is written in parallel to register 1 and sequentially read to the output of the device. (The device contains a shift register 1, executed on triggers 2-8, elements AND 9.11 and element OR 10. 1 or. (L co ot with 4 with

Description

Изобретение относитс к электросв зи и может быть использовано в системах передачи данныхThe invention relates to telecommunications and can be used in data transmission systems.

Цель изобретени - упрощение устройства .The purpose of the invention is to simplify the device.

На чертеже представлена функциональна схема устройства дл формировани международного телеграфного кода № 2,The drawing shows the functional diagram of the device for the formation of the international telegraph code No. 2,

Устройство содержит регистр 1 сдвига, выполненный на двухтактных D-триггерах 2-8, первый элемент И 9, элемент ИЛИ 10.и второй элемент И 11.The device contains a shift register 1, made on push-pull D-flip-flops 2-8, the first element And 9, the element OR 10. and the second element And 11.

Устройство работает следующим образом ,The device works as follows

В исходном состо нии триггеры 2-7 регистра 1 наход тс в нулевом состо нии, а триггер 8 - в единичном, что обеспечивает на втором выходе устройства формирование стоповой (токовой) посылки телеграфного знака . Информационные разр ды кода, предназначенного дл передачи, записываютс в триггеры 3-7 регистра 1. Одновременно триггер 2 сигналом с информационного входа устройства устанавливаетс в единичное состо ние, а триггер 8 - в нулевое, что обеспечивает выдачу стартовой (бестоковой) посьшки телеграфного знака на второй выход устройства. Спуст врем to после записи кода в регистр .1 , где tg - длительность одного символа телеграфного знака, с тактового входа устройства через элемент И 9 триггеры 2-8 поступают тактовые импульсы с периодом следовани to„In the initial state, the triggers 2-7 of the register 1 are in the zero state, and the trigger 8 is in the single state, which ensures the formation of a stop (current) message telegraph sign at the second output of the device. Information bits of the code to be transmitted are recorded in triggers 3-7 of register 1. At the same time, trigger 2 is set to one state from the information input of the device, and trigger 8 is set to zero, which ensures that the telegraph sign is received second output device. One time to after the code has been written into the register .1, where tg is the duration of one telegraphic character, clock pulses with the period to follow are received from the clock input of the device through AND 9 triggers 2-8

10ten

элемент И 9 закрываетс дл прохождени тактовых импульсов, а на инверсном выходке элемента ИЛИ 10 по вл етс разрешающее напр жение и элемент И 11 открьшаетс дл прохождени тактовых импульсов.element AND 9 is closed to pass the clock pulses, and on the inverse trickle of the element OR 10 there is a permitting voltage and element And 11 is opened to pass the clock pulses.

Седьмой тактовый импульс проходит через элемент И . 11 на первый выход устройства, формиру сигнал ЗапросThe seventh clock pulse passes through the element And. 11 to the first output of the device, forming a signal request

на запись следующего кода. Длительность стоповой посьшки определ етс интервалом между вьдачей сигнала Запрос и поступлением очередногоto write the following code. The duration of the stop message is determined by the interval between the signal output of the Request and the arrival of the next

16 кода. При наличии предназначенного дл передачи кода через врем 0,5 t песле выдачи сигнала Запрос производитс запись этого кода в регистр 1 и работа устройства повтор етс .16 codes. If there is a code to be transmitted after a time of 0.5 t at the time of issuing a signal. The request is written to the register 1 and the operation of the device is repeated.

20 Таким образом, длительность стоповой посылки в этом случае составл ет l,5tg, а при отсутствии кода дл передачи на выход устройства вьщаетс .посто нна стопова посылка. Пред25 лагаемое устройство имеет в составе меньше логических элементов, чем известное , т.е. изобретение позвол ет упростить устройство.20 Thus, the duration of the stop burst in this case is l, 5tg, and in the absence of a code for transmitting to the output of the device, the permanent stop burst appears. The proposed device has fewer logical elements than the known, i.e. the invention simplifies the device.

Claims

30 claims

The device for the formation of the international telegraph code No. 2, containing the first, second elements AND, 25 whose first inputs are combined and are the clock input of the device, the register and the OR element, with The purpose of the device is to simplify, the installation and inertia pulses shift the code. The formation inputs of the register are

in register 1 from trigger 2 to trigger 8. As a result, at the output of trigger 8, a telegraphic code, consisting of current and current, is discharged after discharge. After the arrival of the sixth clock pulse, trigger B is set to one state, forming a stop (current) connection of the telegraph sign. In this case, the triggers 2-7 of register i are in the zero state, the prohibitive voltage appears at the direct output of the element OR 10.

LIIII Order 6380/54 Circulation 900 Subscription Prod.-poly. pr-tie, Uzhgorod, st. Design., 4

element AND 9 is closed to pass the clock pulses, and on the inverse trickle of the element OR 10 there is a permitting voltage and element And 11 is opened to pass the clock pulses.

The seventh clock pulse passes through the element And. 11 to the first output of the device, forming a signal request

to write the following code. The duration of the stop message is determined by the interval between the signal output of the Request and the arrival of the next

code. If there is a code to be transmitted after a time of 0.5 t at the time of issuing a signal. The request is written to the register 1 and the operation of the device is repeated.

Thus, the duration of the stop burst in this case is l, 5tg, and in the absence of a code for transmitting to the output of the device, a constant stop burst appears. The proposed device has less logical elements than the known, i.e. the invention simplifies the device.

Invention Formula

The device for the formation of the international telegraph code No. 2, containing the first, second AND elements, the first inputs of which are combined and are the clock input of the device, the register and the OR element, which is simplify the device, the installation and the respectively the installation and information inputs of the device, all the outputs of the register, except the last, are connected to the corresponding inputs

45 of the OR element, the direct and inverse outputs of which are connected to the second and inputs respectively of the first and second elements AND, the output of the first element AND is connected to the clock input

The 50 registers, the output of the second And element, and the last register output are respectively the first and second outputs of the device.