Connectionsystem for audio application

0001The present invention relates to a device for listening sounds emitted by speakers equipped with appliances or speakers and a headphone jack.

0002Usually, the ear on these devices is done either on the speaker or speakers, or on helmets inserting the jack plug of the latter in the headphone jack.

0003The inclusion of this plug-jack pushes one or more conductive metal strips current, causing the cutoff circuit speaker or speakers and closing those helmets. With electric arcs caused by the cuts circuits, repeating passages from a listening mode the other, by making lose their elasticity aging louvres, led to the deterioration and even elimination contacts, resulting in disturbed or missing sounds.

0004The device according to the invention overcomes this disadvantage:<ul><li>the plug-jack headsets still remains inserted in the headphone jack,</li><li>a circuit switch is assistant to the devices.</li></ul>

0005The following accompanying drawings relate to devices usual:<ul><li>Figure 1 shows the plug-jack headsets (2) inserted into the headphone jack, pushing the conductive strips (1).</li><li>2 shows the circuits of speakers or speakers (2) before and after insertion of the jack plug helmets (3) into the headphone jack (1), this monophonic</li></ul>or stereo.

0006The following attached drawings illustrate the invention:<ul><li>3 shows the circuits of speakers or speakers (2) and helmets (3), plug-jack headsets remaining always inserted into the headphone jack (1) with adding a monopolar changeover switch or bipolar (4), listening is taking place on the helmets, either on the speaker or speakers, monophonic or stereo. This device is a variant of that of Figure 4 next.</li><li>4 shows the circuits of speakers or speakers (2) and helmets (3), plug-jack headsets remaining always inserted into the headphone jack (1) with the addition of a single pole switch-switch or bipolar (4), listening is taking place on the helmets, either on the helmets and also on the speakers or speakers, in mono or stereo; a switch placed on their cable allows deleting listening on headphones.</li></ul>With this device, the deaf are entitled to better listening without disturbing the audience. The switches (4) can be mechanical, electromagnetic relay or electronic relays controlled by mechanical switches or various remote controls (Infrared, acoustic, tactile, etc ...).

0007The device according to the invention is particularly for listening to the sounds on the speakers or speaker and helmets.