DE948921C - Tape drive for magnetic sound films - Google Patents
Tape drive for magnetic sound filmsInfo
- Publication number
- DE948921C DE948921C DES24182A DES0024182A DE948921C DE 948921 C DE948921 C DE 948921C DE S24182 A DES24182 A DE S24182A DE S0024182 A DES0024182 A DE S0024182A DE 948921 C DE948921 C DE 948921C
- Authority
- DE
- Germany
- Prior art keywords
- rollers
- tape drive
- clay
- magnetic sound
- sound films
- 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
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/26—Driving record carriers by members acting directly or indirectly thereon
- G11B15/28—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal
Landscapes
- Rolls And Other Rotary Bodies (AREA)
Description
Die Erfindung betrifft ein Bandlaufwerk für Magnettonfilme mit zwei auf parallelen Achsen angeordneten zylindrischen Schwungmassenrollen, die von. einem Magnettonband mitgenommen werden, wobei die Ton.steuerstelle auf dem beide Rallen verbindenden Bandstück liegt.The invention relates to a tape drive for magnetic sound films having two Cylindrical centrifugal mass rollers arranged on parallel axes, which are driven by. one Magnetic tape should be taken with the sound control point on the two racks connecting piece of tape lies.
Es ist bekannt, zwei Tonrollen, die mit Schwungmassen verbunden sind, vorzusehen und die Abtastung zwischen diesen. beiden Tonrollen vorzunehmen. Die bekannten: Einrichtungen haben aber den Nachteil, daß die Tonrollen nur so, dicht nebeneinander angeordnet werden können, wie es der Radius der beiden. Rollen und ein gewisser notwendiger Abstand zwischen ihnen gestattet. Das hat den Nachteil, daß das Filmstück zwischen den Rollen verhältnismäßig lang ist, so daß zusätzliche Mittel, z. B. eine Führungsbahn, zur Geradführung des Films erforderlich sind.It is known to have two clay rollers, which are connected with flywheels, provide and the sampling between these. to make both clay rollers. the well-known: facilities have the disadvantage that the clay rollers only so tight Can be placed side by side as is the radius of the two. Roles and allow a certain necessary distance between them. That has the disadvantage that the piece of film between the rollers is relatively long, so that additional Medium, e.g. B. a guideway, for straight guidance of the film are required.
Es ist ferner bekanntgeworden, die Schwungmassen so: anzuordnen, daß sie sich teilweise überdecken. Die Erfindung strebt an, die freie Länge des Films zwischen den Rollen möglichst zu verkürzen. Dies wird erfindungsgemäß dadurch erzielt, daß der Zylindermantel der Schwungmassenro:llen derart kammartig ausgebildet ist, daß die Kämme der Rollen ohne Berührung ineinandergreifen.It has also become known to arrange the centrifugal masses in such a way that they partially overlap. The invention aims at the free length of the film to be shortened between the roles as much as possible. According to the invention, this is achieved by that the cylinder jacket of the flywheel rolls is designed in a comb-like manner, that the crests of the rollers intermesh without touching one another.
Hierdurch wird der Vorteil erreicht, daß die Achsen der beiden Tonrollen: einen möglichst kleinen Abstand voneinander besitzen und infolgedessen das über die beiden Rollen geführte freie, geradlinige Filmstück möglichst kurz ist.This has the advantage that the axes of the two clay rollers: have the smallest possible distance from each other and as a result that over the two roles guided free, linear piece of film is as short as possible.
Wie bekannt, werden :die Rollen aus Scheiben, jedoch verschiedenen Durchmessers zusammengesetzt. In vorteilhafter Weise kommen Rollen. mit verschiedenem Trägheitsmoment zur Anwendung, z. B. Rollen mit verschiedenem Durchmesser oder zusätzlicher Masse.As is known, the rolls are made from discs, but different Composite diameter. Roles come in an advantageous manner. with various Moment of inertia for application, e.g. B. Rolls with different diameters or additional Dimensions.
In den Figuren ist eine Ausführungsform der Einrichtung nach der Erfindung beispielsweise dargestellt.In the figures is an embodiment of the device according to the invention for example shown.
Fig. i zeigt einen achsenparallelen Querschnitt, während in Fig. 2 ein zu den Achsen senkrecht verlaufender Querschnitt dargestellt ist.FIG. I shows a cross-section parallel to the axis, while in FIG a cross section running perpendicular to the axes is shown.
i und 2 sind die beiden Achsen der gleichzeitig als Tonrolle ausgebildeten Schwungmassen 3 und 4.. Aus der Zeichnung ist ohne weiteres ersichtlich, wie der Mantel sowohl der Tonrolle 3 als auch der Tonrolle 4 kammartig ausgebildet ist. Die Zähne der beiden Tonrollen greifen, ohne sich gegenseitig zu berühren, ineinander. Die beiden Tonrollen können unter Umständen so hergestellt werden, daß jede aus einer Reihe von ungleichen. Scheiben zusammengeschichtet ist, wobei eine Scheibe mit großem und eine solche mit kleinem Durchmesser abwechselt. Der äußere Zylinderdurchmesser der Rolle 3 ist kleiner als der der Rolle .4, so daß das Trägheitsmoment der beiden Tonrollen verschieden ist. Das über die beiden Tonrollen 3 und .4 geführte Magnettonband 5 besitzt zwischen den beiden Tonrollen, ein sehr kurzes, geradliniges Stück, da die beiden Achsen. i und 2 infolge der Verzahnung der Massen verhältnismäßig dicht benachbart sind. Zwischen den beiden Rollen 3 und ,4 ist eine Magnetkopfanordnung 6 zur Aufnahme und Wiedergabe vorgesehen. 7 bedeutet eine Schwungmasse, die auf der Welle i angeordnet ist; für die Tonrodle 4 ist nach dem Ausführungsbeispiel keine besondere Schwungmasse vorgesehen.i and 2 are the two axes of the simultaneously designed as a clay roller Inertia masses 3 and 4 .. From the drawing it is readily apparent how the Coat of both the clay roller 3 and the clay roller 4 is formed like a comb. The teeth of the two clay rollers interlock without touching one another. The two clay rolls can possibly be made so that each is made of a number of unequal. Slices layered together, with one slice with a large and a small diameter alternate. The outer cylinder diameter the roller 3 is smaller than that of the roller .4, so that the moment of inertia of the two Clay rolls is different. The magnetic tape guided over the two tape rolls 3 and 4 5 has a very short, straight piece between the two clay rolls there the two axes. i and 2 relatively dense due to the interlocking of the masses are adjacent. Between the two rollers 3 and 4 is a magnetic head arrangement 6 intended for recording and playback. 7 means a flywheel that is on the shaft i is arranged; for the Tonrodle 4 is according to the embodiment no special flywheel provided.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES24182A DE948921C (en) | 1951-07-29 | 1951-07-29 | Tape drive for magnetic sound films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES24182A DE948921C (en) | 1951-07-29 | 1951-07-29 | Tape drive for magnetic sound films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE948921C true DE948921C (en) | 1956-09-06 |
Family
ID=7477738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES24182A Expired DE948921C (en) | 1951-07-29 | 1951-07-29 | Tape drive for magnetic sound films |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE948921C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE387058C (en) * | 1920-05-23 | 1923-12-27 | Josef Engl Dr | Device for phonographs to drive the linear phonogram carrier evenly |
| DE389318C (en) * | 1921-03-25 | 1924-02-05 | Josef Engl Dr | Device for phonograph with linear phonogram carrier |
| DE677814C (en) * | 1935-11-12 | 1939-07-03 | Zeiss Ikon Akt Ges | Sound film apparatus, in particular for sound film recording |
| US2335277A (en) * | 1940-10-25 | 1943-11-30 | Herman S Heller | Magnetic recording machine |
| CH264661A (en) * | 1948-04-28 | 1949-10-31 | Brush Dev Co | Magnetic sound recording and reproducing device. |
-
1951
- 1951-07-29 DE DES24182A patent/DE948921C/en not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE387058C (en) * | 1920-05-23 | 1923-12-27 | Josef Engl Dr | Device for phonographs to drive the linear phonogram carrier evenly |
| DE389318C (en) * | 1921-03-25 | 1924-02-05 | Josef Engl Dr | Device for phonograph with linear phonogram carrier |
| DE677814C (en) * | 1935-11-12 | 1939-07-03 | Zeiss Ikon Akt Ges | Sound film apparatus, in particular for sound film recording |
| US2335277A (en) * | 1940-10-25 | 1943-11-30 | Herman S Heller | Magnetic recording machine |
| CH264661A (en) * | 1948-04-28 | 1949-10-31 | Brush Dev Co | Magnetic sound recording and reproducing device. |
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