DE3235206A1 - Device for marking a magnetic sound carrier - Google Patents

Device for marking a magnetic sound carrier

Info

Publication number
DE3235206A1
DE3235206A1 DE19823235206 DE3235206A DE3235206A1 DE 3235206 A1 DE3235206 A1 DE 3235206A1 DE 19823235206 DE19823235206 DE 19823235206 DE 3235206 A DE3235206 A DE 3235206A DE 3235206 A1 DE3235206 A1 DE 3235206A1
Authority
DE
Germany
Prior art keywords
arrangement
arrangement according
pulse
pulse generator
recorder
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.)
Granted
Application number
DE19823235206
Other languages
German (de)
Other versions
DE3235206C2 (en
Inventor
Günter Ing.(grad.) 8500 Nürnberg Gebuhr
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
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 Individual filed Critical Individual
Priority to DE19823235206 priority Critical patent/DE3235206C2/en
Publication of DE3235206A1 publication Critical patent/DE3235206A1/en
Application granted granted Critical
Publication of DE3235206C2 publication Critical patent/DE3235206C2/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3009—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is a pilot signal inside the frequency band of the recorded main information signal

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

The application relates to a device for recording markings on a magnetic sound carrier. There are a number of applications for this, in particular the markings can be used for synchronising a motion-picture film and/or for locating sync marks. Today there are already a number of 1000 Hz pulse generators of miniature design. However, all of these pulse generators can only be used for a small number of recorders, since the emitted pulse intensity is directly dependent on the respective supply voltage of the recorder and the connectable pin assignment varies from recorder to recorder. The object of the invention was therefore to design a miniature pulse generator which can be connected directly to all recorders used on the market.

Description

Einrichtung zur Markierung eines MagnettonträgersDevice for marking a magnetic sound carrier

Die Anmeldung betrifft eine Einrichtung zur Impulsaufzeichnung über einen Magnettonbandgeräte-Aufzeichnungskopf zur Markierung bestimmter Stellen oder Passagen eines Magnettonträgers Es gibt eine Reihe von Anwendungen, bei denen der Magnettonträge r mit Markierungsimpulsen versehen werden muß Ein Sonderfall dabei ist es, wenn auf dem Magnettonband aufgebrachte Impulsmarken dazu verwendet werden, die Laufgeschwindigkeit des Magnetbandgerätes zu kontrollieren und oder eine bestimmte Stelle der Aufzeichnung durch Zählen der Impulse oder Auswertung eines markierten Impulses herauszufinden. Dies wird insbesondere zum Synchronisieren eines Laufbildfilmes oder umgekehrt zum Finden der Synchronmarke verwendet. Im Amateurbereich ist heute in der Regel der 1000 Hz Impuls nach DIN 15970, im professionellen Bereich der 50 Hz Pilotton nach DIN 15575 gebräuchlich.The application relates to a device for pulse recording via a magnetic tape recorder head for marking specific locations or Passages of a magnetic sound carrier There are a number of applications in which the Magnetic slides must be provided with marking pulses. A special case it is when the impulse marks applied to the magnetic tape are used to to control the running speed of the tape recorder and or a certain Place the recording by counting the pulses or evaluating a marked To find out impulses. This is particularly useful for synchronizing a motion picture film or vice versa used to find the sync mark. Today is in the amateur field Usually the 1000 Hz pulse according to DIN 15970, in the professional sector the 50 Hz pilot tone according to DIN 15575 in use.

Stand der Technik Es gibt heute bereits eine Reihe von 1000 Hz Impulsgeneratoren, insbesondere auch In Miniaturbauform. Diese arbeiten teilweise bereits mit CMOS-Technik und sind so klein aufgebaut, daß sie auch in einen Stecker hineinpassen. Eine Besonderheit ist in diesem Zusammenhang der Miniaturimpulsgeber der Firma Schmalsti eg Österreich (Österreichische Patentnummer 362164), der ohne aktive Bauelemente auskommt, dafür aber lediglich einen Nadelimpuls erzeugt.State of the art There are already a number of 1000 Hz pulse generators available today, especially in miniature design. Some of these already work with CMOS technology and are so small that they fit into a plug. A special feature in this context is the miniature pulse generator from Schmalsti eg Austria (Austrian patent number 362164), which works without active components, for it but only generates a needle pulse.

Allen diesen Impuls gebern ist jedoch gemeinsam, daß sie jeweils nur für eine geringe Anzahl von Geräten verwendet werden können, weil die abgegebene Impulsstärke direkt von der jeweiligen Versorgungsspannung des Gerätes abhängig ist.However, what all these impulses have in common is that they only each can be used for a small number of devices because the given Impulse strength depends directly on the respective supply voltage of the device is.

Der Anwender dieser Impulsgeber ist deswegen gezwungen, sich für jedes Gerät, das er einsetzen will, einen anderen Impulsgeber zu kaufen. Die Aufgabe der Erfindung war es deshalb, einen Miniaturimpulsgeber zu konstruieren, der es erstmals ermöglicht, alle auf dem Markt verwendeten Geräte direkt anzuschließen, Beschreibung der Anmeldung Die Anordnung besteht aus einem mit einem CMOS-Baustein aufgebauten astabilen Multivibrator, der ein 1000 Hz Signal abgibt solange der Kamerakontakt geschlossen ist. Damit auch bei kurzen Kameraimpulsen ein ausreichend langer Impuls zur Verfügung steht, wird der Impuls über eine RC-Kombination verlängert. Diese Anordnung steuert über den in dem CMOS-IC vorhandenen Open-Drain Ausgang direkt den jeweiligen Impulskopf des Aufnahme gerätes an. Der normalerweise übliche und notwendige Pull-Up-Widerstand wird in diesem Fall durch eine Feldeffekt- Konstantstromquelle ersetzt. Diese Konstantstromquelle hat den Vorteil, daß sie lediglich mit 2 Bauteilen auskommt.The user of this pulse generator is therefore forced to look for each Device that he wants to use to buy another pulse generator. The task of It was therefore the invention to design a miniature pulse generator that did it for the first time allows direct connection of all devices used on the market, description of registration The arrangement consists of a built-up with a CMOS module astable multivibrator that emits a 1000 Hz signal as long as there is contact with the camera closed is. This means that even with short camera impulses, a sufficiently long impulse is available, the pulse is extended via an RC combination. These The arrangement controls the open drain output in the CMOS IC directly the respective pulse head of the recording device. The usual and In this case, the necessary pull-up resistance is provided by a field effect constant current source replaced. This constant current source has the advantage that it only has 2 components gets by.

Die Ausgangsspannung wird, damit sie von der Versorgungsspannung unabhängig wird, mit einer in Durchlaßrichtung geschalteten Diode auf einen für die Impulsköpfe geeigneten Pegel reduziert. Das Besondere an der gesamten Anordnung ist nun, daß sie mit einer ganz geringen Anzahl von Bauelementen auskommt und dabei trotz eines weiten Versorgungsspannungbereiches von 2V-15V einen konstanten Ausgangspegel erzeugt. Um eine gute Frequenzstabilität über den gesamten Betriebstemperaturbereich zu gewährleisten, empfiehlt es sich einen hochwertigen Kunststofffolien-Polycarbonat-Kondensator einzusetzen Dieser 1000 Hz Impulsgenerator kann deshalb an alle auf dem Markt befindlichen AV -Geräte direkt angeschlossen werden.The output voltage is thus independent of the supply voltage is, with a forward-connected diode on one for the pulse heads appropriate level reduced. The special thing about the entire arrangement is that it gets by with a very small number of components and despite one wide supply voltage range of 2V-15V generates a constant output level. To ensure good frequency stability over the entire operating temperature range, it is recommended to use a high quality plastic film polycarbonate capacitor This 1000 Hz pulse generator can therefore be used with all AV Devices can be connected directly.

Claims (6)

Patentansprüche Anordnung zur Impulsaufzeichnung über einen Tonbandgeräte- Aufzei chnungskopf dadurch gekennzeichnet, daß dem Magnettonkopf eine Diode in Durchlaßrichtung parallel geschaltet ist und diese Anordnung über eine Konstantstromquelle mit Versorgungsspannung verbunden ist.Claims arrangement for pulse recording via a tape recorder Recording head characterized in that the magnetic head has a diode in the forward direction is connected in parallel and this arrangement has a constant current source with supply voltage connected is. 2. Anordnung nach Anspruch 1 dadurch gekennzeichnet, daß der Magnettonkopf nach Anspruch 1 einem CMOS-Impulsgenerator mit Open-Drain Ausgang parallel geschaltet ist.2. Arrangement according to claim 1, characterized in that the magnetic sound head according to claim 1, a CMOS pulse generator with an open drain output connected in parallel is. 3. Anordnung nach Anspruch 1-2 dadurch gekennzeichnet, daß der CMOS-Tmpulsgenerator einen Folienkondensator verwendet, der eine gute Frequenzkonstanz über einen weiten Betriebstemperaturbereich garantiert.3. Arrangement according to claim 1-2, characterized in that the CMOS pulse generator a film capacitor is used, which has a good frequency constancy over a wide Guaranteed operating temperature range. 4. Anordnung nach Anspruch 1-3 dadurch gekennzeichnet, daß der über den Kamerablitzkontakt kommende Impuls, der den Triggereingang steuert,über eine RC-Kombination so verlängert wird, daß eine minimale Impulslänge garantiert werden kann.4. Arrangement according to claim 1-3, characterized in that the over the camera flash contact, which controls the trigger input, via a RC combination is extended so that a minimum pulse length can be guaranteed can. 5. Anordnung nach Anspruch 1-4 dadurch gekennzeichnet, daß der Kameraanschluß mit einem Blitzkontaktstecker versehen werden kann, der einen Anschluß an jede normgerechte Blitzkontaktbuchse ermöglicht.5. Arrangement according to claim 1-4, characterized in that the camera connection can be provided with a lightning contact plug that connects to any standard Lightning contact socket allows. 6. Anordnung nach Anspruch 1-5 dadurch gekennzeichnet, daß die gesamte Anordnung in einem 6pol. Standard-Stecker (DIN 45322) Platz findet.6. Arrangement according to claim 1-5, characterized in that the entire Arrangement in a 6pol. Standard connector (DIN 45322) fits.
DE19823235206 1982-09-23 1982-09-23 Arrangement for recording marking pulses on the sound carrier of a magnetic tape recorder Expired DE3235206C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823235206 DE3235206C2 (en) 1982-09-23 1982-09-23 Arrangement for recording marking pulses on the sound carrier of a magnetic tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823235206 DE3235206C2 (en) 1982-09-23 1982-09-23 Arrangement for recording marking pulses on the sound carrier of a magnetic tape recorder

Publications (2)

Publication Number Publication Date
DE3235206A1 true DE3235206A1 (en) 1984-03-29
DE3235206C2 DE3235206C2 (en) 1984-09-13

Family

ID=6173943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823235206 Expired DE3235206C2 (en) 1982-09-23 1982-09-23 Arrangement for recording marking pulses on the sound carrier of a magnetic tape recorder

Country Status (1)

Country Link
DE (1) DE3235206C2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT362164B (en) * 1978-04-07 1981-04-27 Schmalstieg Werner ARRANGEMENT FOR MARKING A MAGNETIC CARTRIDGE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT362164B (en) * 1978-04-07 1981-04-27 Schmalstieg Werner ARRANGEMENT FOR MARKING A MAGNETIC CARTRIDGE

Also Published As

Publication number Publication date
DE3235206C2 (en) 1984-09-13

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee