DE333975C - Device for regulating the speed of electrically operated gramophones - Google Patents

Device for regulating the speed of electrically operated gramophones

Info

Publication number
DE333975C
DE333975C DENDAT333975D DE333975DD DE333975C DE 333975 C DE333975 C DE 333975C DE NDAT333975 D DENDAT333975 D DE NDAT333975D DE 333975D D DE333975D D DE 333975DD DE 333975 C DE333975 C DE 333975C
Authority
DE
Germany
Prior art keywords
speed
regulating
gramophones
electrically operated
gramophone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DENDAT333975D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of DE333975C publication Critical patent/DE333975C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating

Landscapes

  • Adjustable Resistors (AREA)

Description

Die Geschwmdigkeitsregulierung von elektrischen Grammophonen ist in der verschiedensten Weise versucht worden, und-wurde zum Teil auch in gewisser Hinsicht das gewünschte Ziel erreicht. Die vorliegende neue Einrichtung stellt gegenüber der bekannten jedoch etwas Vollkommenes dar. Es wurde zur Regulierung ein federnder Winkelhebel vorgesehen, dessen eines Ende sich an den Umfang des Grammophontellers anfedert, während das andere Ende, das den Schleifkontakt trägt, entsprechend der jeweils auftretenden Lagenveränderung des Hebels durch die Formgebung des Grammophonplattentellers bei dessen Umdrehung sich auf dem Regulierwiderstande, auf dem der Schleifkontakt gleitet, einstellt. Hierdurch wird die Umdrehung reguliert.The speed regulation of electric gramophones is very diverse Wise it has been tried, and-in some respects, has been the desired Goal achieved. However, the present new device represents something compared to the known one A resilient angle lever was provided for regulation, its one end springs against the circumference of the gramophone platter, while the other end, that carries the sliding contact, according to the change in position of the Lever through the shape of the gramophone turntable as it rotates on the regulating resistor on which the sliding contact slides. Through this the rotation is regulated.

Die neue Einrichtung ist auf der Zeichnung dargestellt, und zwar zeigt:The new facility is shown in the drawing, which shows:

Fig. ι eine Draufsicht auf den Er-findungsgegenstand, Fig. Ι a plan view of the subject of the invention,

Fig. 2 eine Seitenansicht desselben.
Fig. 2 zeigt die Einrichtung beim Anlauf. Der Rand bzw. die Stufe α des Grammophonplattentellers dient als Hebelauflage und Rand b als Hebelanlage beim Anlauf, während die Kurve d als Übergang zur Normalgeschwindigkeitsstufe c dient.
In bekannter Weise wird die Grammophonplatte auf dem Teller durch den Stift e gehalten und ist gegen Verdrehung durch besondere Vorrichtungen (Stifte usw.) f gesichert. Der bewegliche, unter Federwirkung stehende Winkelhebel g gleitet mit seinem einen Hebelende A1 an der Umfläche des Grammophonplattentellers entlang, die durch ihre besondere Formgebung die ■ Bewegung des Hebelarmes A bzw. das Schleifen der Kontaktfeder ο. dgl. i auf dem Regulierwiderstande k bedingt. Hieraus ergibt sich, daß die Geschwindigkeit der Grammophonplatte sich selbst reguliert.Fig. 2 is a side view of the same.
Fig. 2 shows the device at startup. The edge or the step α of the gramophone record plate serves as a lever support and edge b as a lever system when starting, while curve d serves as a transition to normal speed step c.
In a known manner, the gramophone record is held on the plate by the pin e and is secured against rotation by special devices (pins, etc.) f. The movable, spring- acting angle lever g slides with its one lever end A 1 along the surface of the gramophone record plate, which through its special shape the ■ movement of the lever arm A or the grinding of the contact spring ο. Like. i conditional on the regulating resistor k . It follows that the speed of the gramophone record regulates itself.

Claims (1)

Patent-Anspruch:Patent claim: Vorrichtung zum Regem der Geschwindigkeit von elektrisch betriebenen Grammophonen, bei der die Regelung der Geschwindigkeit durch einen auf dem in die Stromleitung eingeschalteten Widerstand verschiebbar gelagerten Kontakt erfolgt, gekennzeichnet durch einen Winkelhebel (A, ti1) dessen eines Schenkelende (A1) durch Federwirkung an den Umfang des Grammophonplattentellers gedrückt gehalten wird, während das andere Schenkelende den Schleifkontakt (i) trägt, der sich entsprechend der Lagenveränderung des Hebels (A, A1) durch die Formgebung der Umfläche des Grammophonplattentellers bei dessen Umdrehung auf dem Regulierwiderstand (k) einstellt.Device for regulating the speed of electrically operated gramophones, in which the speed is regulated by a contact slidably mounted on the resistor connected to the power line, characterized by an angle lever (A, ti 1 ) of which one leg end (A 1 ) is attached by spring action The circumference of the gramophone platter is held down, while the other end of the leg carries the sliding contact (i) , which is set according to the change in position of the lever (A, A 1 ) due to the shape of the circumferential surface of the gramophone platter as it rotates on the regulating resistor (k) . Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DENDAT333975D Device for regulating the speed of electrically operated gramophones Expired DE333975C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE333975T

Publications (1)

Publication Number Publication Date
DE333975C true DE333975C (en) 1921-03-08

Family

ID=6213352

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT333975D Expired DE333975C (en) Device for regulating the speed of electrically operated gramophones

Country Status (1)

Country Link
DE (1) DE333975C (en)

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