United States or Mauritius ? Vote for the TOP Country of the Week !
He has a seat in the House of Lords, a niche in the Temple of Fame. Every-day mortals, opinions, things are not good enough for him to touch or think of. A mere nobleman is, in his estimation, but "the tenth transmitter of a foolish face:" a mere man of genius is no better than a worm. His Muse is also a lady of quality.
G.L. Anders' telephone, shown in the accompanying cut, combines in a single apparatus a transmitter, A, a receiver, B, and a pile, C. The transmitter consists of a felt disk, a, containing several large apertures, and fixed by an insulating ring, c, to a metallic disk, d, situated within the box, D. The apertures, b, are filled with powdered carbon, e, and are covered by a thin metal plate, f, which is fixed to the insulating ring, c, by means of a metallic washer, g.
The analogy of the wireless transmitter of intelligence may be misleading if applied to the question of power. The practicability of wireless telegraphy depends upon the marvellous susceptibility of the "coherer," which enables it to respond to an impulse almost infinitesimally small, certainly very much smaller than that despatched by the generator from the receiving station.
"That's a little trick I worked out, grandfather," said Hoddan into the transmitter. "Come aboard. I'll pass it on." His grandfather presently appeared, scowling and suspicious. His eyes shrewdly examined everything, including the loot tucked in every available space. He snorted. "All honestly come by," said Hoddan morbidly. "It seems I've got a license to steal. I'm not sure what to do with it."
For this transmitter you require: one oscillation transformer; one hot-wire ammeter; one aerial series condenser; one grid leak resistance; one chopper; one key circuit choke coil; one 5 watt vacuum tube oscillator; one 6 volt storage battery; one battery rheostat; one battery voltmeter; one blocking condenser; one power circuit choke coil, and one motor-generator. The Oscillation Transformer.
So, unhappily for the person at the other end of the wire, the Doctor himself answered the ring. It had been a hard day, following other hard days, and he was feeling intense fatigue, devastating depression, and that unreasoning irritability which is born of physical weariness and mental unrest. "Hello," shouted the victim of these disorders into the transmitter.
Edison's carbon transmitter overcame this vital or limiting weakness by providing for independent power on the transmission circuit, and by introducing the principle of varying the resistance of that circuit with changes in the pressure.
Any of the receiving sets described in the foregoing chapters will respond to either: a wireless telegraph transmitter that uses a spark gap and which sends out periodic electric waves, or to a wireless telephone transmitter that uses an arc or a vacuum tube oscillator and which sends out continuous electric waves.
The little man designated a telephone on the wall, then started nervously as central answered and Spike barked a single command into the transmitter: "Police-station, please!" "Police?" "Never you mind, sir," Spike told the householder. "Hello! Police!" he called to the operator. There was a pause, then Spike went on: "This is Spike Walters Yellow and White Taxi Company.
Perhaps it was caused by either the originality or the audacity of the snow-bird hunter, in thus circumventing her express commands against the ordinary modes of communication. She fixed her eye on a statue standing disconsolate in the dishevelled park, and spoke into the transmitter: "Tell the gentleman that I need not repeat to him a description of my ideals.
Word Of The Day