Sentence Examples with the word keyboard

The Creed system is a development of the Morse-Wheatstone system, and provides a keyboard perforator which punches Morse letters or figures on a paper strip by depressing type writer keys.

Henri nodded, his fingers flying over the keyboard in front of him.

It was only 7:20 when Dean entered the squad room but Rita Angeltoni was already glued to her keyboard as if she'd spent the night.

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These supervisory signals took the form of lamps and were placed on the keyboard in positions immediately adjacent to the associated cords.

In the Rowland multiple method of telegraphic working, the transmitter consists of a mechanical keyboard provided with a series of levers, which effect certain combinations of positive and negative currents for each letter.

The signals must therefore be sent at regular intervals, and to ensure this being done correctly a telephone or time-tapper is provided at each keyboard to warn the operator of the correct moment to depress his keys.

Per forating machines equipped with typewriter keyboards are used for the preparation of the messages, two or three keyboard perforators being employed at each end of the telegraph lines on which the Murray system is used.

Each channel consists of a keyboard and receiver both electrically connected to certain parts of the distributor.

Rita Angeltoni, the token skirt, as she referred to herself, was usually there banging on her keyboard or answering the phone while keeping the quartet in line.

The keyboard has five keys similar to those of a piano, and the letters and figures are obtained by the different combinations which can be formed by the raised and depressed keys.