单词 | telephone circuit |
例句 | Voice over Internet Protocol means telephone calls are transmitted over the Internet instead of traditional telephone circuits. Stop the ringing! How to block those annoying robocalls. 2020-04-13T04:00:00Z Their chief conclusion is that the capacity of the equatorial orbit, with present arrangements, is probably limited to about 2,000 telephone circuits for each degree of the orbit. From the archive 2019-08-12T04:00:00Z Demrow grew up with a party line or a telephone circuit shared by more than one phone user. One ringy dingy: Footville museum preserves old telephones 2017-09-16T04:00:00Z The airline’s telephone circuits overloaded and the carrier couldn’t communicate with its flight crews. Airlines Cancel Atlanta Flights As Irma Heads North 2017-09-11T04:00:00Z His government fixed infrastructure and provided new roads, sewage facilities and telephone circuits. The complicated legacy of Egypt's Hosni Mubarak 2013-01-25T15:44:29Z The Edison cell is suitable for large stationary gas engine ignition, railroad crossing signals, electroplating, fire alarms, telephone circuits, etc. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z Shortly after his speech, telephone circuits in the Capitol were overwhelmed by a high volume of external calls, resulting in busy signals or difficulty getting through jammed phone lines. Americans press Congress on debt via phones, Twitter 2011-07-29T19:16:12Z The electrons surging to and fro in the telephone circuit influenced those energetic electrons in the arc-lamp circuit to which the ærial wire was attached. Autobiography of an Electron Wherein the Scientific Ideas of the Present Time Are Explained in an Interesting and Novel Fashion 2011-06-19T02:00:25.633Z K. Posthumus, a French engineer working on the theory of telephone circuits, posed another question about memory wheels: How many different wheels are there for couplets, triplets, quadruplets and so on? The Mathematician as an Explorer 2011-05-04T13:15:00.247Z In cases where absence of inductance in the instrument is important, e.g. in the measurements in wireless-telegraph and telephone circuits, the "hot-wire" ammeter is used. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli This is common to all offices and may be operated by a special key in the dispatcher's office, thereby enabling him to send out time signals over the telephone circuit. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. It there fore seems to be essential that each telephone circuit should be isolated from every other one, else there can be no secrecy in messages. The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action He opened the telephone circuit and heard the operator say, "Number please." All In The Mind In a telephone circuit over such a long distance as from New York City to San Francisco it is usual to insert amplifiers at about a dozen points along the route. Letters of a Radio-Engineer to His Son The Bell telephone—The Edison transmitter—The granular carbon transmitter—General arrangement of a telephone circuit—Double-line circuits—Telephone exchanges—Submarine telephony. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use It is becoming quite a general practice among the railroads to install more than one telephone circuit along their rights-of-way. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Messages may be thus read upon wires as far distant as ten feet from the telephone circuit. The Telephone An Account of the Phenomena of Electricity, Magnetism, and Sound, as Involved in Its Action The details of the common-battery telephone circuits of the Dean Electric Company are shown in Fig. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Lightning.—A metallic telephone circuit may have a static charge induced upon it by a thunder cloud, as shown in Fig. Scientific American Supplement No. 822, October 3, 1891 These electric waves travel over the wires, and on reaching the other end of the telephone circuit are again transformed into sound-waves which are heard by the ear of the listener. Clairvoyance and Occult Powers He is connected at all times to the telephone circuit, and for this reason equipment easy for him to wear is essential. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. He demonstrated that in every telephone circuit there is a particular point at which, if a telephone is inserted, no cross-talk can be heard. Masters of Space Morse, Thompson, Bell, Marconi, Carty The use of the so-called direct-current receiver has brought about a great simplification in the common-battery telephone circuits of several of the manufacturing companies. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Hence in a metallic telephone circuit we may neglect L in toto as I have done. Scientific American Supplement No. 822, October 3, 1891 It is a little electro-magnetic cut-out that breaks the telephone circuit whenever a current passes into the circuit equal to or more than an ampere. Scientific American Supplement, No. 481, March 21, 1885 The telephone circuit may be equipped with any number of selectors desired, and the dispatcher can operate any particular one without operating any other one on the circuit. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. This proved just what was needed for the telephone circuits. Masters of Space Morse, Thompson, Bell, Marconi, Carty What is the function of the induction coil in the telephone circuit? Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Any loose, crazy unstable structure, of conducting bodies, inserted in a telephone circuit, will act as a microphone. Heroes of the Telegraph It is applied to every telephone circuit simply, to protect the telephone system from electric light wires, that ought never to be allowed anywhere near a telephone circuit. Scientific American Supplement, No. 481, March 21, 1885 The selector consists of two electromagnets which are bridged in series across the telephone circuit and are of very high impedance. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Though the telephone circuits were now protected from the earth, telephone-users, at times when the lines were busy, were still troubled with roarings and strange cross-talk. Masters of Space Morse, Thompson, Bell, Marconi, Carty Describe the different methods of measurements of telephone circuits. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. To the same year, 1879, belong his laborious investigations on current induction, and some ingenious plans for eliminating its effects on telegraph and telephone circuits. Heroes of the Telegraph This slight movement connects the bell circuit and disconnects the telephone circuit. Steam, Steel and Electricity In some cases not only are the telephone circuits brought into the test board, but also two telegraph wires are looped through this board before going to the peg switchboard. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. He further found that these currents could be detected by grounding the terminals of a telephone circuit. Masters of Space Morse, Thompson, Bell, Marconi, Carty Show diagram of the Stromberg-Carlson magneto desk telephone circuit and describe its working. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. As is well known, it is electric currents and not sound-waves that are transmitted over a telephone circuit. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents The young inventor seemed unconscious, and for a moment Ned had a wild idea that Tom had been shocked to death, possibly by some crossed live wire coming in contact with the telephone circuit. Tom Swift and His Photo Telephone or the Picture That Saved a Fortune It contains a double-wound relay which is bridged across the telephone circuit and operates the selector. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. The current which flows in this test circuit changes momentarily the potential of the tip side of the operator's telephone circuit, thus unbalancing her talking circuit and causing a click. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. The hook switch plays a very important part in the operation of telephone circuits; for this reason readily understood conventional symbols, by which they may be conveniently represented in drawings of circuits, are desirable. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Here we wish to bring out an important thing about telephone circuit diagrams which is sometimes confusing to the beginner, but which really, when understood, tends to prevent confusion. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. It is possible for any amateur to produce at once a repeating device which will relay telephone circuits in one direction. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The principle is identical with that of phantom telephone circuits. Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. Long-distance telephone circuits, therefore, have not yet been placed in cables for lengths greater than 200 or 300 miles, and special treatment of cable circuits is required to talk through them for even 100 miles. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. It is often desired to introduce simple ohmic resistance into telephone circuits, in order to limit the current flow, or to create specific differences of potential at given points in the circuit. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Great use is made in the design of telephone circuits of the fact that the electromagnets, which accomplish the useful mechanical results in causing the movement of parts, possess the quality of impedance. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. |
随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。