Wireless Telegraphy and Telephony Simply Explained: A Practical Treatise Embracing Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and Its Present Day Applications, Together with a Chapter on the Possibilities of Its Future DevelopmentNorman W. Henley Publishing Company, 1912 - 154 стор. |
З цієї книги
Результати 1-5 із 19
Сторінка 11
... pass through the telephone receiver , because the little magnets contained therein exert a choking action on alternating currents of high frequency and effectually block their passage . The mineral detector acts as a valve , allowing ...
... pass through the telephone receiver , because the little magnets contained therein exert a choking action on alternating currents of high frequency and effectually block their passage . The mineral detector acts as a valve , allowing ...
Сторінка 39
... pass across the gap without charging the condenser and creating any high frequency oscillations . THE CONDENSER , it will be remembered is the means of storing up the energy , which suddenly rushing across the spark gap , produces the ...
... pass across the gap without charging the condenser and creating any high frequency oscillations . THE CONDENSER , it will be remembered is the means of storing up the energy , which suddenly rushing across the spark gap , produces the ...
Сторінка 44
... pass between . When the motor is set in operation the wheel revolves at a high rate of speed interrupting the spark and causing a peculiar musical pitch to be emitted . A rotary spark gap almost entirely eliminates the arcing of the ...
... pass between . When the motor is set in operation the wheel revolves at a high rate of speed interrupting the spark and causing a peculiar musical pitch to be emitted . A rotary spark gap almost entirely eliminates the arcing of the ...
Сторінка 54
... pass , producing a sound - each time there is any change in their value . The purpose and action of most types of detectors is to act as a valve allowing the current to pass through in one WIRELESS SPECIALTY APPARATUS CO NEW YORK FIG ...
... pass , producing a sound - each time there is any change in their value . The purpose and action of most types of detectors is to act as a valve allowing the current to pass through in one WIRELESS SPECIALTY APPARATUS CO NEW YORK FIG ...
Сторінка 55
... pass in an opposite one . The high frequency oscillating currents may be represented by a curved line crossing and recrossing a zero line and gradually decreasing in amplitude as shown by A in Fig . 66 . The detector , acting as a valve ...
... pass in an opposite one . The high frequency oscillating currents may be represented by a curved line crossing and recrossing a zero line and gradually decreasing in amplitude as shown by A in Fig . 66 . The detector , acting as a valve ...
Інші видання - Показати все
Загальні терміни та фрази
50 cents A. A. HOUGHTON adjustable alternating current amateur appliances arranged battery BINDING POST boilers chapters CHART circuit coal coil of wire COMPOUND LOCOMOTIVES connected consists construction contains coupled helix detail detector devices diagram diaphragm direct current discharge drawings dynamos Edition electric waves electrodes engravings equipment ether explained flow fully illustrated gas engine Gasoline heating high frequency oscillations included induction coil instruments insulated Lathes Leyden jar Locomotive machine magnetic field manufacture mechanical messages metal methods modern molds motion motor O'CONOR SLOANE operation pass pipes plumbing potentiometer practical treatise Price primary produced pumps radiate railroad receiving apparatus Rubber secondary selenium showing signals slide SLIDER sound waves spark gap speech steam engine steel telephone receiver telephone transmitter tion transmitting tuning coil turbines types Valve Gear variable condenser vibrations Walschaert Valve Gear wireless station wireless telegraphy wireless telephone