Salt Lake Telegram | 1929-09-29 | Page 51 | Radio Listeners Given Greater Advantage during Past Year

Radio Listeners Given Greater Advantages During Past Year By ByC C. C E. E D Radio R dio Editor r ted Press Presa F. F tue ServIce I NEW Sept 28 AP Fa AP Fa Father S I th ther r ers er's radIo radio d dress thess ess p ri rdo- rdo o- o ended tonight with mere mere- mereon on onlooker onlooker onlooker on- on looker convinced Ol that that the progress of ot a a. year yeat In t the e. e laboratories 11 ha given given- him hint greater advantages anta as aa a listener r. r Closing of the doors of oC tho sixth thep the annual radio radIo- worlds world's fair f departure cp p of the of-the th last st footsore t tramp tramp- amper amp amp- cr er of it its labyrinth of ot receivers and other th radio devices cs left len th the telling Impression that this r really all is a a screen creen r en idear gi grid year Th There re too was wasa a R f feeling that the dynamic sp speaker h has not yet C been overshadowed With Hh mO meanwhile an n nh almost ost complete e ot of the table tible by the console 1 Electrically the radio rec receiver lver has hM traveled t f far r in the tho few years from froit 3 a single tube tuba h headphone d hono d device toa multitude l Instrument all self contained introduction of ot the screen n grid tube having g t Jour four ur clements elements ele cle- dc- dc ments instead Instead ot of the usual Rual three Is credited with the the they y years year's ars ar's greatest greatest great great- S est change chang DESIGNS A ALTERED Numerous Numero s alter alterations in circuit design have la ieri b n necessary cessar t to to- o ob obtain ot- ot tain some of at th benefits of ot the tube which is 18 designed t to prevent ps os oscil oscillation lI- lI lation 1 or s squealing in tuned radio frequency without neutralizes or 0 I time it balancers At the same lm gives gl greater amplification than titan i is available a in t tho three element I In addition to the tho screen n grid an an other new tube an Improved ed po power er output t v valve IV was wa-s presented this year It Jl has been given much wider videt use tha than n the screen grid although little muc attention has lS been paid to It by tho the public listening duo to the screen grid campaign This tube tObe has lIas improved the tone tho receiver because of ot its ability to tos s supply sl greater er p power to the speaker While the d dynamic sp speaker aker probably probe ably 11 is at It its peak indications of DC something different w were re given In Jn first public display of ot tho the elec- elec epe speaker ker of or l talking con condenser condenser condenser denser in in addition It was waa us used In the public address S system employed cm em at atthe the show to pl pick k up broadcast broad broad- cast programs from the Crystal studio stu stu- dlo dio- for the benefit of or visitors L I TUNING DIFFICULTIES A X lesire to elImInate te d difficulties of ot tuning luning hn has be been n a a. concentration on Various devices to make this task lask easier Aut Automatic m tl semiautomatic and other short cuts t tO to knob b turn turn- turning ing c comprised one one of of- f. f the i features tures I of ot the show Remote control by wh which h a 8 s set l is 15 operated by push- push S from a a a box X removed from th the receiver but connected t to it It b by bya a table has bas been introduced d In earnest Manufacturers continue to pay the tho most attention to 10 1 alternating rn CU r receiver In addition to pro pro- riding a set for Or r the listener r whoso lWi ho house se i Is lighted b by direct curr current nt Where ho rio no such facilities are available avail avail- available I able ble tI the b battery set has a not been entirely forgotten And there are a a numb number of roC this type tp many of the latest t. t ideas in radio I