Page:United States patent 647007.pdf/6

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outer layers being less than in those next the primary, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

2. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which consists of several layers, the number of turns in the outer layers being less than in those next the primary, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the ends of the imperfect contact and the ends of the secondary, and a condenser in one of the latter connections.

3. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the number of turns in the outer layers being less than in those next the primary, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

4. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the number of turns in the outer layers being less than in those next the primary, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the ends of the imperfect contact and the ends of the secondary, and a condenser in one of the latter connections.

5. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

6. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the ends of the imperfect contact and the ends of the secondary, and a condenser in one of the latter connections.

7. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the ends of the secondary leading from the outer layers of the two sections, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

8. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the ends of the secondary leading from the outer layers of two of the sections, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the ends of the imperfect contact and the ends of the secondary, and a condenser in one of the latter connections.

9. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the number of turns in the outer layers being less than in those next to the primary, the ends of the secondary leading from the outer layers of two of the sections, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

10. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which is wound in sections each consisting of several layers, the number of turns in the outer layers being less than in those next the primary, the ends of the secondary leading from the outer layers of two of the sections, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the ends of the imperfect contact and the ends of the secondary, and a condenser in one of the latter connections.

11. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which consists of several layers, the number of turns in the outer layers being less than in those next the primary and wound unsymmetrically with a lump at one end, a capacity connected to one end of the primary, a conductor connected to the other end, and connections between the ends of the imperfect contact and the ends of the secondary.

12. In a receiver for electrical oscillations, the combination of an imperfect electrical contact, a local circuit through it, an induction-coil, the secondary of which consists of several layers, the number of turns in the outer layers being less than in those next the primary and wound unsymmetrically with a lump at one end, a capacity connected to one end of the primary, a conductor connected to the other end, connections between the
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