DE1688004U - STEREOFONIC SOUND TRANSMISSION OR PLAYBACK DEVICE WITH MULTIPLE AMPLIFIERS OR THE LIKE. INCLUDED TRANSMISSION OR REPLAY CHANNELS. - Google Patents

Description

transfer or reproduction facilities '> .dgl «

-JBi; ereofDllische. iEonülDer "Tragungs- or" T / iedergabaeinrichinangen ^ with longer amplifiers ο "the like" contained. Transmission or playback channels, gate-way j for the "f / iedergabs τοη Sildtoufilmeoi jait several _s . SS three or four id.nspxiren _s especially magnetic soundtracks»

s.tereoionic -IConub he supporting ring of S dialer events en tlber sw.si _? . three j four or more channels represents in the electroacoustic style ·. This is a special case insofar as a corresponding number of 2 programs are transmitted over the same number of transmission systems. During playback, these programs are. _: made audible at the same time via loudspeakers in one seam »The programs in the individual transmission or playback channels contain different sound events _? but they are related to each other ».

.Mr / SB 25-8.53
(9/570/363)

PA 9/570/363 .. ν: -. -J

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stereophonic "transmissions - or»

fei '- -

-; · _; "of the type mentioned, because of the multitude of channels, from -; ■ .. each of which contains one or more amplifiers, loudspeakers and, ^: . - * other parts, have a relatively complicating and extensive structure , the ^. Set up plant so that it reliably works in jeciem Pail ,, even if einzelne- channels "and associated parts such as amplifier, speakers ο '.-Like ° - ^Failed">: In' single-channel cinema ~ As is the case with output devices, it is known per se to provide a reserve amplifier which can be switched on in its place in the event of the operational amplifier failing With a large number of channels with a corresponding number of amplifiers However .odgl "-würde it mean too-big. effort ,, whom, one each operating channel a Eeservekanal with Seserveverstärker ο" like. would assign "with the firing unit is the 'pursued _purpose? to avoid these shortcomings. =''. .

G-emäss the furnace is this purpose, achieved in the channels of the stereophonic sound transmission or reproducing means switching devices, preferably on the ο ■ the input and output of each amplifier "dgl.- ^{incorporated:} be, with" help .Each Amplifier o, the like 'can be exchanged for another' quickly and preferably without interrupting operation * ·

At least one reserve channel with amplifier is expedient or the like. provided, which can be switched on via the switching devices in place of each operating channel.

The device can also be designed so that the Channels or parts of them, such as amplifiers, loudspeakers c, dglo, are exchanged with one another through the

- ** m- "SM ^

PA 9/570/363

53/263 ^

- * τ. V i £

Äxtsfäafarjangsform of the subject of the throw in the form of switchgear assemblies aaefcrer-e ^ e: azs £ hle: n.enverteile3? 'provided «

iai wearfcerss Msxlmal the subject of the delivery consists in the fact that at least one is on the output side at the yerst, annoying -c "the like" - of all channels and possibly at least one

lying sound; eixricirinang., sB Xrexizschienenr-, Tind at least a corresponding output-side switching device-, 5j. _{Crossbar distributors 5 are} combined in one structural unit. advantageous as a set -o. ₀ : dgXo in. -Ein. "- the stronger frame

iind ^ are further 33 details; on hand 1 xihd 2 "for example. -explained, xind show

1 a .stereofunctional display device. after the ■; ';.'".Seuerimg door Sonfilmtheater ο» dgl ο with switching device- ■ - ■. Tiingen in form of crossbar distributor and "j? Igo '2 the" installation of this device in a frame in door view = "": ". \ - '■'

In -Pig- 1 the device consists of a ϊ narrow έί with four magnetic heads "H ₁ -. *«! [/ <, _- which are connected to the inputs of the gate amplifier Y ₁ = ». If, -connected- The outputs of the preamplifier Y "

° Ύ _Λ are connected to four rails of the I crossbar

Distributor Z ^ connected and the rails perpendicular to these rails are at the input of the main _{amplifier E 1} = ScS ₁ - the outputs of the main amplifier are in turn connected to the rails of the other crossbar distributor IC ₉ 'and the rails perpendicular to it of the crossbar. Distributors Kp are connected to the loudspeakers I ₁ = ^ I ₇ , ο By plugging in at the crossing points of the crossbars, the main amplifiers H ₁ * « * Η,

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PA 9/570/363

any way ± n channels doho. you can change the channels % .x and swap. The _ can be so 'tr-off-en'? üass -the IC channels 1-3 with the magnetic "heads M

.'JSIL, ilen preamplifiers T ^ »„ »T

strengthen H ₁ ». »Ή, and the Xautspreehern

, the Bauptvero el- are the operating channels. = Channel 4 with the magnetic head lsi. , the gate amplifier -V ;, _? -the main amplifier H- and the. speaker-XV.-.

t- a Heserv-ekanal ^ - the, with. the direction after. 4er; ','...;.:::.:;;; _: Optionally - instead of each '- of the three operating channels Λ can be put into operation in the event of failure of one of them- · The device can also be made in such a way that the "'.;. '.;"Channel 4th also an operating channel 1st , which is provided for the 'scanning of the fourth soundtrack, a Pilme» This fourth- [soundtrack or the corresponding fourth channel is used, for example, to transmit sound events that take place outside of the picture, so that it is therefore not necessarily important and necessary ■ can be used in place of one of the three main channels »

When setting up according to Pig. 2 are in the amplifier frame G-the preamplifiers T .-. LVuM the main amplifiers H ₁ <> ö »H ,, in Jorm of plug-in boxes Crossbar distributor K-5 Kp or corresponding switching devices contains »The clear arrangement of the switching devices is important so that in the event of a fault, the reserve circuit can be carried out quickly and without interrupting operation

6 claims for protection

sheet

Drawings "

Claims (1)

^ Ά c Stereophonic audio transmission or playback device ". 2n with several amplifiers ο * dgl = containing transmission channels -.; -_ odeV liiedergabekanälej preferably for the playback. / Vcn 'picture sound films with several? Ζ" Β "three or fourth tracks, in particular leaguettonspuren, characterized in that in the channels Sehalteinrichtungen, preferably at input and jtusgang ^ edes amplifier ο-like ", installed are with the aid of which each amplifier Ocdglc quickly and preferably without interrupting operation against a"'■ -. other ... is interchangeable ,, '■ ο Device according to claim "i, characterized in that '. -" at least * one reserve channel with amplifier -o.dglo-vorgeb. can be seen; who is in place above the Sehalteinrichtung '. each operating channel can be switched on. "^ ■ ο device according to claim 1 or 2, characterized _. - that the channels or cables of the same v / ie amplifiers, Xaut-Beakers, etc., are interchangeable with each other through the holding devices = 4. E. Device according to one of claims "1-3, characterized in that one or more ■ crossbar distributors (IG ;: ₉ Kp) are provided as the switching device" 5c Device according to one of Claims 1 - A, characterized in that at least one of the inputs is connected to the amplifiers ο, like ο of all channels and possibly ar. Switching device located at least one reserve channel, ZoB = crossbar distributor (K ^) and at least one corresponding switching device on the output side, e.g. Crossbar distributors (K ₉ ) are combined into one structural unit. ■ i ^. ctase. ale 'die or % ,, ßsgr-eclieji & e SehaTteiiiriclrtimgeii als i-ii-nsat » (Έ) öodgl.» in ^ a bai-.c lirto ^: '"■ - ■""-.-..' - ■" · " ^ eiiage-