Telephone Construction, Installation, Wiring, Operation and MaintenanceN.W. Henley Publishing Company, 1914 - 223 стор. |
З цієї книги
Результати 6-10 із 20
Сторінка 42
... . ( 3 ) When the talking circuit is in use , the receiver must be connected to the line wires , and the trans- mitter , battery , and the primary windings of the induction coil must be connected in a local closed circuit. 42.
... . ( 3 ) When the talking circuit is in use , the receiver must be connected to the line wires , and the trans- mitter , battery , and the primary windings of the induction coil must be connected in a local closed circuit. 42.
Сторінка 43
... closed circuit . ( 4 ) When the talking circuit is not in use , the battery circuit must be opened . It is possible to satisfy these conditions with the sig naling apparatus either in series with the line or bridged across it . The ...
... closed circuit . ( 4 ) When the talking circuit is not in use , the battery circuit must be opened . It is possible to satisfy these conditions with the sig naling apparatus either in series with the line or bridged across it . The ...
Сторінка 44
... closed circuit eualph , satisfying condition ( 3 ) . Condition ( 4 ) is satis- fied when the receiver is replaced on the hook switch a , because the contact at u in the battery circuit is then opened . The Automatic Shunt previously ...
... closed circuit eualph , satisfying condition ( 3 ) . Condition ( 4 ) is satis- fied when the receiver is replaced on the hook switch a , because the contact at u in the battery circuit is then opened . The Automatic Shunt previously ...
Сторінка 49
... closed . The dotted lines . in Fig . 32 indicate the circuits through the mag- neto generator and its automatic shunt , as shown in Fig . 29. These circuits , as already explained , are formed by the parts of the apparatus itself , and ...
... closed . The dotted lines . in Fig . 32 indicate the circuits through the mag- neto generator and its automatic shunt , as shown in Fig . 29. These circuits , as already explained , are formed by the parts of the apparatus itself , and ...
Сторінка 63
... closed circuit h 6 u 07 pt , thereby satisfying condition ( 3 ) . When the talking circuit is not in use , the receiver is on the hook switch ; the weight of. FIG . 45. - Hook Switch with Horizontal Spring Contacts FIG . 48. - An ...
... closed circuit h 6 u 07 pt , thereby satisfying condition ( 3 ) . When the talking circuit is not in use , the receiver is on the hook switch ; the weight of. FIG . 45. - Hook Switch with Horizontal Spring Contacts FIG . 48. - An ...
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Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2015 |
Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2017 |
Загальні терміни та фрази
alternating current ampere armature automatic binding posts bolt brace called cents clamp complete metallic circuit Concrete conductors conduit connected construction containing copper copper wire cord cross-arms desk set diaphragm distributing board Dry cells electrical electromotive force exchange switchboard extension bell fastened feet fully illustrated gage gas engines gear ground heat coil HISCOX hole hook switch inches induction coil installation insulated iron wire jack lamp Leclanché cell lightning arrester line circuit line drop line wires machine magnet magneto bell mechanical method mounted O'CONOR SLOANE ohms operator operator's pair party party-line systems pipe placed plate plug pole position practical primary winding Protective Apparatus receiver resistance ringing key rope rubber screw sheath shown in Fig shows shunt side signal sleeve soldered spring steam steel storage battery switch arm tele Telephone Circuit telephone set terminals Testing tion transmitter usually wall set zinc
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