DE601126C - Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides - Google Patents
Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sidesInfo
- Publication number
- DE601126C DE601126C DET41403D DET0041403D DE601126C DE 601126 C DE601126 C DE 601126C DE T41403 D DET41403 D DE T41403D DE T0041403 D DET0041403 D DE T0041403D DE 601126 C DE601126 C DE 601126C
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- tape
- scanning
- episcopic
- sided
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/605—Guiding record carrier without displacing the guiding means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/66—Threading; Loading; Automatic self-loading
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
DEUTSCHES REICHGERMAN EMPIRE
AUSGEGEBEN AM 8. AUGUST 1934ISSUED ON AUGUST 8, 1934
REICHSPATENTAMTREICH PATENT OFFICE
PATENTSCHRIFTPATENT LETTERING
M 601126 KLASSE 42 g GRUPPE M 601126 CLASS 42 g GROUP
Patentiert im Deutschen Reiche vom 29. September 1932 abPatented in the German Empire on September 29, 1932
Es ist bekannt, die Rückseite eines doppelseitig beschriebenen, bandförmigen, endlichen Tonaufzeichnungsträgers auf einer Lichttonsprechmaschine mit episkopischer Abtastung dadurch vorzuführen, daß die verschiedenen Spulen, Rollen oder die Optik für die Vorführung der Rückseite in anderer Weise angeordnet werden als für die Vorführung der Vorderseite des Aufzeichnungsträgers.It is known, the back of a double-sided, tape-shaped, finite Sound recording medium on a phono machine with episcopic scanning by demonstrating that the various coils, roles or the optics for the demonstration the rear side can be arranged in a different way than when showing the front side of the recording medium.
Die Erfindung besteht darin, diesen Wechsel in der Anordnung der Spulen, Rollen oder
der Optik dadurch zu vermeiden, daß der ordnungsgemäß zum Abspielen der einen Seite
eingelegte Aufzeichnungsträger beim Abspielen der anderen Seite an zwei vor und hinter
der Abtastvorrichtung liegenden Stellen um 18 o° in entgegengesetzter Richtung verschränkt
wird. Hiermit wird es, wie an Hand des im folgenden zu beschreibenden Ausführungsbeispiels
erläutert werden wird, tatsächlich möglich, die Rückseite des Aufzeich-,
nungsträgers abzuspielen, ohne irgendwelche Änderungen der Apparatur vorzunehmen.
Es ist zwar bekannt, Tonaufzeichnungs-The invention consists in avoiding this change in the arrangement of the bobbins, rollers or optics in that the recording medium properly inserted for playing one side when playing the other side at two points in front of and behind the scanning device by 18 o ° in opposite direction is entangled. In this way, as will be explained with reference to the exemplary embodiment to be described below, it is actually possible to play the back of the recording medium without making any changes to the apparatus.
While it is known to record sound
S5 träger einmal um i8o° zu verschränken, und zwar ebenfalls zu dem Zweck, ein Abspielen beider Seiten des Trägers zu ermöglichen. Es handelte sich jedoch dabei um endlose Filme, d. h. um solche Filmstreifen, deren Anfang und Ende, und zwar, wie gesagt, unter Anwendung einer Verschränkung um i8o°, zusammengeklebt war.S5 brackets to be folded once around i8o °, and also for the purpose of enabling both sides of the carrier to be played. However, they were endless films; H. about such film strips, their beginning and the end, namely, as I said, using an entanglement of 180 °, was glued together.
Die Erfindung wird an Hand der beiliegenden Zeichnung erläutert. 1 ist die Abwickelspule, 2 die Aufwickelspule, 3 die als Schwungmasse ausgebildete Führungsrolle an der Steuerstelle, die mit konstanter Geschwindigkeit läuft, S eine Optik zur Abtastung des Tonstreifens im reflektierten Licht mit eingebauter Photozelle, 6 ist eine Anlenkrolle, 7 eine Ablenkrolle. Die beiden Rollen sind, wenn auf einer Seite zwei parallele Tonstreifen vorgesehen 'sind, in der Richtung] ihrer Achsen um die Entfernung der beiden Tonstreifen voneinander entfernt, d.h. in verschiedener Höhe angeordnet. Auf diese Weise ist es möglich, durch einfache Umkehrung der Abwicklung die beiden Tonstreifen wiederzugeben. Die Tonstreifen müssen natürlich in umgekehrter Richtung abspielbar sein. Die Lage des Tonstreifens gegenüber den festen Tonbeüchtungsmitteln 5 ist durch die HöheThe invention is explained with reference to the accompanying drawing. 1 is the supply reel, 2 the take-up reel, 3 the guide roller designed as a flywheel at the control point, which runs at constant speed runs, S an optics for scanning the sound strip in the reflected light with built-in Photocell, 6 is a guide roller, 7 is a deflection roller. The two roles are, if on one side, two parallel strips of clay are provided in the direction of their axes by the distance between the two Clay strips separated from each other, i.e. arranged at different heights. In this way it is possible to reproduce the two audio strips by simply reversing the development. The audio strips must of course be playable in the opposite direction. The position of the clay strip in relation to the fixed ones Tonbeuchtungsmittel 5 is by the amount
*) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor:
Max Flachotvsky in Berlin.Max Flachotvsky in Berlin.
der Anlauf rolle 6 bzw. 7 bei Rücklauf bestimmt. 8, 9 sind die beiden Verschränkungsstellen. Das Tonband 10 entliält auf jeder Seite zwei parallele Tonaufzeiclmungsstreifen, die in entgegengesetzten Richtungen abspielbar sind.the start-up roller 6 or 7 is determined on return. 8, 9 are the two interlocking points. The tape 10 has two parallel audio recording strips on each side, which can be played in opposite directions.
Bei der Wiedergabe wird zunächst das Tonband 10 in der Pfeilrichtung 11 abgespielt und der erste Streifen einer Seite wiedergegeben. Hierauf wird das Tonband zurückgewickelt und gleichzeitig der zweite Tonstreifen derselben Seite wiedergegeben. WiU man nun die beiden Tonstreifen der Rückseite wiedergeben, dann wird das Tonband zwischen den beiden Spulen 1 und 2 von den Führungsrollen 3, 6 und 7 abgenommen, an den Stellen 8 und 9 verschränkt und wieder um die Elemente 3, 6 und 7 gelegt.During playback, the tape 10 is first played in the direction of the arrow 11 and the first strip of a page is displayed. The tape is then rewound and at the same time the second soundtrack on the same page is played. Now wiU the two strips of clay on the back play, then the tape between the two reels 1 and 2 of the Guide rollers 3, 6 and 7 removed the points 8 and 9 crossed and placed around the elements 3, 6 and 7 again.
Jetzt ist die bedienende Person in der Lage, die beiden Tonstreifen in der gleichen Weise wie die der Vorderseite durch Hin- und Rücklauf abzuspielen.Now the operator is able to use the two audio strips in the same way like the one on the front, back and forth.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET41403D DE601126C (en) | 1932-09-29 | 1932-09-29 | Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DET41403D DE601126C (en) | 1932-09-29 | 1932-09-29 | Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides |
Publications (1)
Publication Number | Publication Date |
---|---|
DE601126C true DE601126C (en) | 1934-08-08 |
Family
ID=7561017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DET41403D Expired DE601126C (en) | 1932-09-29 | 1932-09-29 | Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE601126C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2568000A (en) * | 1948-07-03 | 1951-09-18 | Claude M Gunn | Sound recording and reproducing apparatus |
-
1932
- 1932-09-29 DE DET41403D patent/DE601126C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2568000A (en) * | 1948-07-03 | 1951-09-18 | Claude M Gunn | Sound recording and reproducing apparatus |
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