DE891756C - Gap adjustment device for magnetic heads - Google Patents

Gap adjustment device for magnetic heads

Info

Publication number
DE891756C
DE891756C DES349A DES0000349A DE891756C DE 891756 C DE891756 C DE 891756C DE S349 A DES349 A DE S349A DE S0000349 A DES0000349 A DE S0000349A DE 891756 C DE891756 C DE 891756C
Authority
DE
Germany
Prior art keywords
plate
tape
gap
magnetic
adjustment device
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
DES349A
Other languages
German (de)
Inventor
Eduard Dipl-Ing Schueller
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DES349A priority Critical patent/DE891756C/en
Application granted granted Critical
Publication of DE891756C publication Critical patent/DE891756C/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering

Landscapes

  • Magnetic Heads (AREA)

Description

Es ist bekannt, daß de r Lage des ,Spaltes zum Band in Magnettongeräten von großes Einfiuß auf die Wiedergabe der Magnetogramme ist. Wenn es auch grundsätzlich gleichgültig ist, ob der Spalt genau unter 9ö° zur Bandlänge liegt oder etwas geneigt ist, soi ist es doch von entscheidender Bedeutung für den Freduenzgang bei der Wiedergabe, daß der Abtastspalt genau dieselbe Lage zum Band einnimmt, die der @ufsprechspalt beim Besprechen des Bandes innehatte. Bei hochgeschraubten Forderungen und geringer Bandgeschwindigkeit kann es sich dabei um Minuten. handeln. Um das einwandfreie Wiedergeben eines auf einem beliebigen Gerät hergestellten Magnetogramms auf einem beliebigen anderen des gleichen Typs zu gewährleisten, müssen also bei allen. Geräten die Spalte der Sprach- und der Hörköpfe ausnahmslos in einem bestimmten Winkel, zweckmäßig gö°l, zum Bande liegen. Eine Genauigkeit, wie angegeben, läßt sich bei der Montage eines Magnettongeräts aber nur unter untragbarem Zeitaufwand erreichen.It is known that the position of the gap to the tape in magnetic recorders is of great in fl uence on the reproduction of the magnetograms. Even if it is basically It does not matter whether the gap is exactly below 90 ° to the length of the tape or whether it is slightly inclined is, so it is of crucial importance for the efficiency during playback, that the scanning gap occupies exactly the same position in relation to the tape as the @ufsprechspalt held while discussing the tape. With high demands and lower Belt speed can be minutes. Act. To the impeccable Play back a magnetogram made on any device on a Any other of the same type must be guaranteed for all. devices the column of the speech and hearing heads without exception at a certain angle, expediently gö ° l to lie with the ties. An accuracy as specified can be the assembly of a magnetic recorder can only be achieved with an unacceptable expenditure of time.

Es ist bereits eine Spalteinstdllvö,rrchfiungg @ .bekannt, in der der Magnetkopf als Baueinheit auf einer Platte montiert wird, die auf Kugeln gelagert und mittels Schrauben kippbar und feststellbar ist. Diese Vorrichtung ermöglicht einen verhältnismäßig großen Schwenkwinkel, der weit über den Bedarf hinausgeht, erreicht das aber unter -erheblichem Aufwand an Material und Zeit.A gap setting is already known in the the magnetic head is mounted as a structural unit on a plate which is mounted on balls and can be tilted and locked by means of screws. This device enables a relatively large swivel angle that goes far beyond what is required, but achieves this with considerable expenditure of material and time.

Die Erfindung bezweckt, mit einfachste Mitteln eine schnelle und sichere, dabei aber eine auch den schärfsten Forderungen gerecht. werdende SpaIteinstellvorrichtung zu schaffen. Sie bezieht sich dementsprechend auf .eine- Vorrichtung zum Einstellen der Richtung des Spaltes des Magnetkopfes eines Magnettongeräts in bezug auf die Laufrichtung des Magnettonbandes, besteherid. aus einer um eine senkrecht zur Bandebene stehende Achse schwenkbaren und an einem ihrer in Bandrichtung liegenden Enden -mittels einer Stellschraube einstellbaren Platte, auf welcher der Magnetkopf mit seinem Spalt senkrecht oder nahezu senkrecht zur Plattenebene fest angebracht ist, die dadurch. gekennzeichnet ist, daß das andere in Bandrichtung liegende Ende der Platte fest eingespannt ist: Der Schwenkbereich kann auch bei dieser Einrichtung verhältnismäßig groß gemacht werden, doch genügen erfahrungsgemäß nur wenige Grade, so daß man sich zugunsten der sicheren und schnellen Einstellbarkeit und einer v@erläßlichen Lagensicherung auf einen geringen Schwenkwinkel beschränken, kann.The aim of the invention is, with the simplest means, a quick and safe, but one that also meets the strictest demands. nascent spa adjustment device to accomplish. Accordingly, it relates to a device for setting the direction of the gap of the magnetic head of a magnetic recorder with respect to the Direction of travel of the magnetic tape, existing. from one to one perpendicular to the strip plane standing axis pivotable and at one of its ends lying in the direction of the tape -mittel a set screw adjustable plate on which the magnetic head with his Gap is firmly attached perpendicular or almost perpendicular to the plane of the plate, the through this. is characterized in that the other end of the plate lying in the tape direction is firmly clamped: The swivel range can also be proportionate with this device can be made large, but experience has shown that only a few degrees are sufficient so that one can in favor of the safe and quick adjustability and a reliable position security limit to a small swivel angle, can.

Ein Ausführungsbeispiel für den Erfindungsgedanken ist, zum Tei-1 schematisch, in der Figur dargestellt. Der Magnetkopf mit dem Spalt 1, dem Kern 2, den Wicklungen 3 und der Montageplatte 4 ist als Baueinheit auf der Zunge 5 befestigt, so daß er deren Bewegungen mitmachen muß. Die Zunge 5 ist an ihrem einem. Ende mit Abstand an der Grundplatte des Magnettongeräts fest eingespannt, so daß sie sich im Abstand von dieser befindet. Sie ist so angeordnet, daß ihre Länge parallel zum Bandlauf und ihre Fläche senkrecht zum Bande steht. "An ihrem anderen Ende wird die Zunge 5 von einer Stallschraube 7 - durchdrungen, die in der Grundplatte ihr Gewinde findet. Um eine definierte Biegungsachse der Platte 5 zu erhalten, kann eine Materig,lschvv'ächnng durch einen Einschnitt 6 nahe der Einspannung der Zunge vorgenommen werden.One embodiment for the inventive idea is, for part 1 schematically, shown in the figure. The magnetic head with the gap 1, the core 2, the windings 3 and the mounting plate 4 is attached as a structural unit on the tongue 5, so that he has to join their movements. The tongue 5 is on your one. End with Distance on the base plate of the magnetic device firmly clamped so that they are at a distance from this. It is arranged so that its length is parallel to the Belt run and its surface is perpendicular to the belt. "Will be on her other end the tongue 5 of a stall screw 7 - penetrated that in the base plate her Thread finds. In order to obtain a defined bending axis of the plate 5, can a materig, lschv'ächnng through an incision 6 near the clamping of the tongue be made.

Claims (2)

PATENTANSPRÜCHE: 1. Vorrichtung zum Einstellen der Richtung des Spaltes des Magnetkopfes eines Magnettongeräts in bezug auf die Laufrichtung des Magnettonbandes, bestehend aus einer um eine senkrecht zur Bandebene stehende Achse schwenkbaren und an einem ihrer in Bandrichtung liegenden Enden mittels einer Stellschraube einstellbaren Platte, auf welcher der Magnetkopf mit seinem Spalt senkrecht oder nahezu senkrecht zur Plattenebene fest angebracht ist; dadurch gekennzeichnet, daß das andere in Bandrichtung liegende Ende der Platte fest eingespant ist. CLAIMS: 1. Device for adjusting the direction of the gap of the magnetic head of a magnetic recorder in relation to the direction of travel of the magnetic tape, consisting of an axis that can be pivoted about an axis perpendicular to the plane of the belt and adjustable at one of its ends in the direction of the tape by means of an adjusting screw Plate on which the magnetic head with its gap is perpendicular or almost perpendicular is firmly attached to the plane of the plate; characterized in that the other in The end of the plate lying in the direction of the tape is firmly embedded. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Platte nahe ihrer Einspannung eine Quernut aufweist. Angezogene Druckschriften: Deutsche Patentschriften Nr. 676810, 712825. 2. Apparatus according to claim 1, characterized in that the plate has a transverse groove near its clamping. Attached publications: German patent specifications No. 676810, 712825.
DES349A 1949-10-29 1949-10-29 Gap adjustment device for magnetic heads Expired DE891756C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES349A DE891756C (en) 1949-10-29 1949-10-29 Gap adjustment device for magnetic heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES349A DE891756C (en) 1949-10-29 1949-10-29 Gap adjustment device for magnetic heads

Publications (1)

Publication Number Publication Date
DE891756C true DE891756C (en) 1953-10-01

Family

ID=7468686

Family Applications (1)

Application Number Title Priority Date Filing Date
DES349A Expired DE891756C (en) 1949-10-29 1949-10-29 Gap adjustment device for magnetic heads

Country Status (1)

Country Link
DE (1) DE891756C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020801B (en) * 1956-12-21 1957-12-12 Grundig Max Adjustable magnetic head for magnetic tape recorder
DE1093573B (en) * 1958-02-05 1960-11-24 Telefunken Gmbh Magnetic head with a holder mounted in the manner of a balance beam

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE676810C (en) * 1937-07-22 1939-06-12 Aeg Holder for magnetic heads of magnetic sound recorders
DE712825C (en) * 1940-07-25 1941-10-27 Aeg Device for adjusting the air gap of magnetic heads in magnetic sound devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE676810C (en) * 1937-07-22 1939-06-12 Aeg Holder for magnetic heads of magnetic sound recorders
DE712825C (en) * 1940-07-25 1941-10-27 Aeg Device for adjusting the air gap of magnetic heads in magnetic sound devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020801B (en) * 1956-12-21 1957-12-12 Grundig Max Adjustable magnetic head for magnetic tape recorder
DE1093573B (en) * 1958-02-05 1960-11-24 Telefunken Gmbh Magnetic head with a holder mounted in the manner of a balance beam

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