CH129928A - Speaker. - Google Patents
Speaker.Info
- Publication number
- CH129928A CH129928A CH129928DA CH129928A CH 129928 A CH129928 A CH 129928A CH 129928D A CH129928D A CH 129928DA CH 129928 A CH129928 A CH 129928A
- Authority
- CH
- Switzerland
- Prior art keywords
- condenser
- membrane
- electrically conductive
- speaker
- loudspeaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
Lautsprecher. sen, so dass die leitenden Schichten des Kon- densators den Luftkissen L und L angrenzen.
Zwecks dekorativer Wirkung des Laut sprechers ist die Membrane M durch einen mittelst eines Sprengringes T gehaltenen Zierstoff Z überdeckt.
Bei Verwendung des Lautsprechers wird zweckmässigerweise die Platte P dem an den negativen Pol der Anodenbatterie und der positive Pol der letzteren an eine Drossel spule oder einen elektrischen Widerstand angeschlossen. Das andere Ende der Drossel spule bezw. des Widerstandes wird mit der Anode der letzten Röhre des Radioapparates, sowie mit dem zweiten Pol des Lautsprechers, das ist dem Metallbelag B, verbunden.
Die Membrane S könnte auch in anderer Weise, zum Beispiel durch Ankleben mit deren Rande an der Platte P, befestigt sein. Gegenstand vorliegender Erfindung ist ein Kondensatorlautsprecher, dessen Kondensator eine perforierte, elektrisch leitec:de Platte aufweist, welche auf ihrer einen Seite von einer mit einer elektrisch leitenden Schicht überzogenen Membrane überdeckt, und in ihrer Mittelzone von der Membrane wegge wölbt ist.
Der Erfindungsgegenstand ist in der Zeichnung in einem Ausführungsbeispiel dar gestellt, und zwar in einem senkrechten Schnitt durch dasselbe.
In dem aus den beiden Rahmenteilen B und Bi von beliebig geformtem Umfange gebildeten Rahmen ist ein Kondensator ein gespannt. Dieser weist eine perforierte Metall platte P auf, welche einerseits von einer Membrane S als Dielektrikum überlagert ist und anderseits in ihrer Mittelzone von der Membrane S weggewölbt ist. Die Membrane S trägt auf der der Platte P abgewandten Seite einen Beleg B aus einem Metall oder Graphit. Der Innenraum der Rahmenteile R, Bi ist nach aussen hin durch luftdichte, den Stirnseiten der Rahmenteile luftdicht ange schlossene Membranen X und Ml abgeschlos-
Speaker. so that the conductive layers of the capacitor adjoin the air cushions L and L.
For the purpose of a decorative effect of the loudspeaker, the membrane M is covered by a decorative material Z held by means of a snap ring T.
When using the speaker, the plate P is conveniently connected to the negative pole of the anode battery and the positive pole of the latter to a choke coil or an electrical resistor. The other end of the choke coil respectively. of the resistor is connected to the anode of the last tube of the radio set, as well as to the second pole of the loudspeaker, which is the metal covering B.
The membrane S could also be attached to the plate P in another way, for example by gluing its edge. The subject of the present invention is a condenser loudspeaker, the condenser of which has a perforated, electrically conductive plate, which is covered on one side by a membrane coated with an electrically conductive layer, and is arched away from the membrane in its central zone.
The subject of the invention is shown in the drawing in an exemplary embodiment, in a vertical section through the same.
In the frame formed from the two frame parts B and Bi of any shape, a capacitor is clamped. This has a perforated metal plate P, which is superimposed on the one hand by a membrane S as a dielectric and on the other hand is arched away from the membrane S in its central zone. The membrane S carries a document B made of a metal or graphite on the side facing away from the plate P. The interior of the frame parts R, Bi is closed to the outside by airtight membranes X and Ml which are airtight on the end faces of the frame parts.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH129928T | 1927-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH129928A true CH129928A (en) | 1929-01-02 |
Family
ID=4388314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH129928D CH129928A (en) | 1927-09-10 | 1927-09-10 | Speaker. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH129928A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2555544A3 (en) * | 2011-08-02 | 2013-09-25 | Hosiden Corporation | Condenser-type sounding body unit and earphone employing the same |
-
1927
- 1927-09-10 CH CH129928D patent/CH129928A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2555544A3 (en) * | 2011-08-02 | 2013-09-25 | Hosiden Corporation | Condenser-type sounding body unit and earphone employing the same |
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