ES211727A1 - Improvements in the acoustic arms of the phonographic devices (Machine-translation by Google Translate, not legally binding) - Google Patents

Improvements in the acoustic arms of the phonographic devices (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES211727A1
ES211727A1 ES0211727A ES211727A ES211727A1 ES 211727 A1 ES211727 A1 ES 211727A1 ES 0211727 A ES0211727 A ES 0211727A ES 211727 A ES211727 A ES 211727A ES 211727 A1 ES211727 A1 ES 211727A1
Authority
ES
Spain
Prior art keywords
disc
arm
acoustic
needle
support
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
ES0211727A
Other languages
Spanish (es)
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.)
Industriaktiebolaget Luxor
Original Assignee
Industriaktiebolaget Luxor
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Industriaktiebolaget Luxor filed Critical Industriaktiebolaget Luxor
Publication of ES211727A1 publication Critical patent/ES211727A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

Improvements to the acoustic arms of phonographic devices in order to automatically place the needle in the appropriate initial position on a disc, regardless of its size, when the acoustic arm approaches the disc at a certain distance from the center of the disc, corresponding to at most to the radius of the central sound groove in a disc of the smallest expected size, a support member that cooperates with said arm is located below a horizontal plane that passes through the tip of the needle to come to rest on the disc after which an acoustic arm by means of said support organ in cooperation with the rotation of the disk or with the help of a special mechanism driven by the motor of the monographic apparatus, it undergoes an outward movement until it falls outside the disk characterized in that the support arm and the acoustic arm are mounted in such a way that the latter at least immediately before the part of the movement cycle in which they have to moving outward to the initial playing position of a disc rests on the support arm with its needle separate from the disc after which the support arm with its support member in contact with the disc is moved to a position where the needle in contact with the disc and as the lowering of the support arm continues, it separates from the acoustic arm. (Machine-translation by Google Translate, not legally binding)
ES0211727A 1952-10-11 1953-10-10 Improvements in the acoustic arms of the phonographic devices (Machine-translation by Google Translate, not legally binding) Expired ES211727A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE211727X 1952-10-11

Publications (1)

Publication Number Publication Date
ES211727A1 true ES211727A1 (en) 1955-01-16

Family

ID=38523781

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0211727A Expired ES211727A1 (en) 1952-10-11 1953-10-10 Improvements in the acoustic arms of the phonographic devices (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES211727A1 (en)

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