Telephony AS a MEAN of communication

Тема 5.1. ТЕЛЕФОНИЯ КАК СРЕДСТВО СВЯЗИ

(TELEPHONY AS A MEAN OF COMMUNICATION)

1. Отработка новой лексики. Особенности перевода интернациональных слов.

2. Чтение.

3. Говорение. Работа с устными высказываниями по теме.

4. Употребление местоимений much, many, little, few

Отработка новой лексики. Особенности перевода интернациональных слов.

ЗАДАНИЯ

1.1. Найдите транскрипцию приведённых ниже слов в англо-русском словаре. Произнесите слова в соответствии с транскрипцией (см. Приложение1). Прослушайте слова (см. Введение.п. 2). (Find a transcription of the following words in the English-Russian dictionary. Say the words according to the transcription (see Application1). Listen to the words (see Introduction. item2.)

cap - копыто телефона

carbon - углерод, уголь

chamber - помещение, камера

coil - виток, катушка

diaphragm - мембрана

spacer - спейсер, промежуточная часть

chamber space – объем камеры

coil capacity – емкость катушки

carbon granules – угольные зерна

carbon microphone - угольный микрофон

1.2. Найдите в тексте «TELEPHONY AS A MEAN OF COMMUNICATION» указанные в задании 1.1. слова. Запишите слова в контексте (см. Введение. п.1). (Find words pointed in the task 1.1. in the text «TELEPHONY AS A MEAN OF COMMUNICATION». Write down the words in a context (see Introduction. item1.)

TELEPHONY AS A MEAN OF COMMUNICATION

Telephony is the transmitting of sounds over a considerable distance by means of electric current, using wires. Telephony as a means of communica­tion is widely used in modern life all over the world. By means of a telephone apparatus people can communicate with each other at distances of thou­sands of kilometers.

The transmission of sounds over a distance is known to be transmission of oscillations. In order to carry on communication, the frequency of the transmitted oscillations should be constant during the whole period of com­munication. The circuit, which is closed when the line is connected, consists of a transmitter and a receiver connected by an electric conductor.

A telephone transmitter is usually a carbon microphone. Its main parts are microphone housing, carbon chamber, carbon diaphragm, carbon gran­ules, insulating spacer, and conductor.

By means of the carbon microphone, variable electrical impulses are caused to now through the circuit. These variable impulses depend on the nature of the sounds supplied into the microphone. During the process of communication current passes through the diaphragm, carbon chamber, and carbon granules. The sound pressure on the diaphragm varies the pres­sure on the granules of carbon. These granules either make more contacts and decrease the resistance of the granules, or make fewer contacts and in­crease the resistance.

Sound waves produce oscillations of the same frequency as those of the sounding body. As a result, both the transmitter resistance and the current in the circuit change.

1.3. Прочитайте приведенные ниже слова. Обратите внимание на особенности перевода интернациональных слов (см. Введение. п.3.). Попытайтесь перевести слова без словаря. Запишите перевод этих слов, сверяясь со словарём. (Read the following words. Pay attention to the translation of international words (see Introduction. item3). Try to translate these words without a dictionary. Write down the translation of these words, referring to the dictionary.)

granule___________________

microphone________________

plastic____________________

vibrate ___________________

1.4. Переведите приведенные ниже словосочетания в письменной форме. (Translate the following word combinations in writing.)

varying current_________________________________

varied current__________________________________

housed parts___________________________________

housing cap___________________________________

sounds being reproduced ________________________

receiving aerial________________________________

reproducing coil _______________________________

power being received ___________________________

Чтение

2.1. Прочитайте Введение. п.5. Следуя рекомендациям, прочитайте текст «TELEPHONY AS A MEAN OF COMMUNICATION» (п.1.2). (Read Introduction. item5. Following the recommendations, read the text «TELEPHONY AS A MEAN OF COMMUNICATION» (item 1.2).)

2.2. Найдите ответы на следующие вопросы в тексте «TELEPHONY AS A MEAN OF COMMUNICATION» (п.1.2). (Find the answers to the following questions in the text «TELEPHONY AS A MEAN OF COMMUNICATION» (item 1.2.)

• What do you know about telephony?

• How do people communicate with each other?

• For what purposes do people use telephony?

• What is the function of telephony?

• What kinds of telephone apparatus do you know?