DE2404172A1

DE2404172A1 - ARRANGEMENT FOR RECORDING DICTED MESSAGES

Info

Publication number: DE2404172A1
Application number: DE19742404172
Authority: DE
Inventors: Jun Fred C Bolick; Said Mohammadioun; Theodore Titus
Original assignee: Lanier Electronic Laboratories Inc
Current assignee: Lanier Electronic Laboratories Inc
Priority date: 1973-01-29
Filing date: 1974-01-29
Publication date: 1974-08-08
Also published as: GB1458762A; DE2463115C2; JPS5524187B2; DE2462082B2; JPS5774861A; JPS49107210A; JPS5749985B2; DE2463114C2; DE2462082C3; DE2462082A1; CA1002456A

Description

1704 Chantilly Drive, N.E.
Atlanta, Georgia, V.St.A. 1704 Chantilly Drive, NE
Atlanta, Georgia, V.St.A.

Anordnung zum Aufzeichnen diktierter NachrichtenArrangement for recording dictated messages

Die Erfindung bezieht sich auf eine Nachriehtenaufzeichnungsanordnung und insbesondere auf eine Steuerdiktieranordnung zum Aufzeichnen diktierter Nachrichten.The invention relates to a tracking device and in particular to a control dictation device for recording dictated messages.

Es sind verschiedene Arten von Sprachaufzeichnungsanordnungen und Geräten bekannt, die sich besonders für das Aufzeichnen diktierter Nachrichten eignen, so daß eine ein solches Diktiergerät benutzende Person den Inhalt eines Briefs oder andere gesprochene Nachrichten anstelle einer Sekretärin oder einer Stenografin in das Gerät diktieren kann. Die Vorteile der Verwendung eines Diktiergeräts anstelle der Aufnahme der Nachricht durch eine Schreibkraft mit Hilf ο von Kurzschrift oder einem ähnlichen Verfahren sind bekannt, da das Diktiergerät ständig zur Diktataufnahme bereit ist, während die Sekretärin oder die Stenographin für die Ausführung anderer Aufgaben verfügbar bleibt.Various types of voice recording assemblies and devices are known which are particularly useful for the Recording of dictated messages is suitable so that a person using such a dictation machine can read the contents of a Dictate letters or other spoken messages into the device instead of a secretary or stenographer can. The benefits of using a voice recorder instead of having a typist record the message with the help of ο shorthand or a similar method are known because the dictation machine is constantly recording dictations ready while the secretary or stenographer remains available to carry out other duties.

Es gibt zwei Arten von herkömmlichen Diktiergeräten, nämlich (1) Tischgeräte und (2) Geräte von Zentraldiktieranlagen. Bei Tischdiktiergeräten besitzt der Diktierende ein eigenes Tischgerät, das die von ihm diktierte Nachricht auf einem geeigneten Aufzeichnungsmedium, beispielsweise auf einemThere are two types of conventional dictation machines, namely (1) desktop machines and (2) central dictation machines. With desktop dictation machines, the dictator has his own desktop machine that records the message he has dictated on one suitable recording medium, for example on a

Schw/VoSchw / Vo

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Magnetband, Riemen, Platten oder dergleichen aufzeichnet. Wenn die Person das Diktieren einer oder mehrerer Nachrichten beendet hat, wird das Aufzeichnungsmedium aus dem Diktiergerät herausgenommen und zu einem typischerweise beim Arbeitsplatz einer Sekretärin befindlichen Wiedergabegerät gebracht und dort in das Wiedergabegerät zum Abspielen der aufgezeichneten Nachrichten eingelegt.Records magnetic tape, belts, disks or the like. When the person has finished dictating one or more messages, the recording medium is removed from the dictation machine taken out and brought to a playback device typically located at a secretary's workplace and inserted there into the playback device for playing back the recorded messages.

Im Gegensatz dazu steht dem Diktierenden bei einer typischen Zentraldiktieranlage nur eine Diktierstelle zur Verfügung, die typischerweise aus einem Mikrophon und/oder Lautsprecher und aus mehreren Steuerschaltern besteht, die in geeigneter Weise mit einem Nachrichtenauf zeichnungs- und Nachrichtenwiedergabegerät verbunden sind, das von der Diktierstelle entfernt angebracht sein kann und das zum Empfangen von Diktaten von mehreren getrennten Diktierstelien zur Verfügung scehen kann. Bei fortschrittlicheren bekannten Zentraldiktieranlagen wird eine endlose Aufzeichnungsbandschleife verwendet, was den Vorteil ergibt, daß ein Einlegen, Entfernen oder ein anderes Handhaben des Aufzeichnungsmediums nicht mehr erforderlich ist.In contrast, with a typical central dictation system, the dictator has only one dictation point available, which typically consists of a microphone and / or loudspeaker and several control switches, which in suitable Way with a message recorder and message player are connected, which can be attached remotely from the dictation and that for receiving dictations from several separate dictation stations. With more advanced known central dictation systems an endless loop of recording tape is used, which has the advantage that insertion, removal or insertion other handling of the recording medium is no longer required.

Zentraldiktieranlagen mit einem endlosen Aufzeichnungsband erfordern zwar keine Handhabung des Aufzeichnungsmediums mehr, doch ist zu erkennen, daß in eine solche Zentraldiktieranlage diktierte Nachrichten nur seriell in der Reihenfolge des Diktierens abgeschrieben werden können, was bedeutet, daß zuerst diktierte Nachrichten auch zuerst wieder abgeschrieben werden. Diese Einschränkung kann in vielen Anwendungsfällen nur von geringer Bedeutung sein, doch bevorzugen einige Benutzer von Diktiereinrichtungen ein System, bei dem einer bestimmten diktierten Nachricht ein .Vorrangzustand zugeordnet wird, der bedeutet, daß sie außer der Reihe in einer Folge von diktierten Nachrichten abgeschrieben werden soll. Das bedeutet praktisch, daß diese Bevorzugung ein Diktier-Central dictation systems with an endless recording belt Although they no longer require handling of the recording medium, it can be seen that in such a central dictation system dictated messages can only be transcribed serially in the order of dictation, which means that messages dictated first are also copied first. This restriction may be of minor importance in many applications, but it is preferred some users of dictation equipment have a system in which a particular dictated message is assigned a priority status which means that it should be copied out of sequence in a sequence of dictated messages. In practice this means that this preference is a dictation

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240A 172240A 172

system "beinhaltet, "bei dem das Aufzeichnungsmedium entnommen werden kann, oder auf andere Weise selektiv für ein anschließendes Wiedergeben und Abschreiben der Nachricht zugänglich ist.system "includes" in which the recording medium is removed or otherwise selectively for subsequent playback and transcription of the message is accessible.

Es sind auch bereits Zentraldiktieranlagen vorgeschlagen worden, bei denen getrennte Aufzeichnungsmedien wie Magnetriemen oder dergleichen verwendet werden, doch erforderten solche bekannte Diktiergeräte die Anwesenheit einer Bedienungsperson zum Entfernen eines bestimmten Aufzeichnungsmediums aus dem zentralen Diktiergerät entweder unmittelbar nach dem ein Vorrangdiktat beendet worden ist, oder sobald die Kapazität eines bestimmten Aufzeichnungsmediums erschöpft ist. Wenn die Bedienungsperson das die diktierte Nachricht oder die diktierten Nachrichten enthaltende Aufzeichnungsmedium nicht sofort entfernt, dann könnte der an einem entfernten Ort befindliche Diktierende die vorrangige Behandlung seiner Nachricht nicht erzielen oder er könnte keine zusätzlichen Nachrichten diktieren, falls das Aufzeichnungsmedium voll ist. Bisher unternommene Versuch zur Überwindung dieses Problems erforderten im allgemeinen die Verwendung mehrerer Zentraldiktiergeräte, die mit irgendwelchen Umschaltvorrichtungen kombiniert waren, damit die Diktierstelle auf ein zweites Diktiergerät umgeschaltet werden konnte, wenn das dem ersten Diktiergerät zugeordnete Aufzeichnungsmedium voll war, was bestenfalls ein teuerer Notbehelf war.Central dictation systems have also already been proposed in which separate recording media such as magnetic belts or the like, but such known dictation machines required the presence of an operator to remove a specific recording medium from the central dictation machine either immediately after a priority dictation has ended, or as soon as the capacity of a particular recording medium is reached is exhausted. When the operator selects the recording medium containing the dictated message or messages not removed immediately, then the dictator at a distant location could take precedence Treatment of his message failed or he could not dictate additional messages if the recording medium is full. Attempts heretofore made to overcome this problem have generally required use several central dictation devices, which were combined with any switching devices, so that the dictation point could be switched to a second dictation machine if the recording medium assigned to the first dictation machine was full, which was an expensive stopgap at best.

Die Einführung und die zunehmende Beliebtheit der genormten Aufzeichnungsbandkassette, die allgemein als "C"-Kassette (beispielsweise C-60) bekannt ist, hat eine Anzahl von Herstellern von Diktiereinrichtungen dazu gebracht, tragbare und andere Diktiergerättypen zu schaffen, in denen anstelle anderer Arten von Spezialaufzeichnungsmedien die Standardkassetten verwendet wurden. Die Verwendung einer Zentraldiktieranlage mit entweder einem endlosen Band oder mitThe introduction and increasing popularity of the standardized recording tape cartridge, commonly referred to as the "C" cartridge (e.g. C-60) has brought a number of dictation equipment manufacturers to use portable and to create other types of dictation machines in which, instead of other types of special recording media, the standard cassettes were used. The use of a central dictation system with either an endless belt or with

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getrennt3n, herausnehmbaren Aufzeichnungsmedien, die keine Standardkassetten sind, macht eine solche Zentralanlage unverträglich mit dem Rest der Diktiereinrichtung, den ein ■bestimmter Benutzer verwenden kann.separate3n, removable recording media that do not have Standard cassettes make such a central system incompatible with the rest of the dictation system ■ specific user can use.

Mit Hilfe der Erfindung sollen demnach eine verbesserte Zentraldiktieranlage und ein Zentraldiktiergerät geschaffen werden. Die mit Hilfe der Erfindung zu schaffende Zentral-With the help of the invention, an improved central dictation system and a central dictation device are to be created will. The central to be created with the help of the invention

diktieranlage soll die Möglichkeit zum Diktieren von Vorrangnachrichten aufweisen. Als Aufzeichnungsmedium sollen bei der mit Hilfe der Erfindung zu schaffenden Zentraldiktieranlage Standardbandkassetten verwendet werden.Dictation system is intended to be able to dictate priority messages exhibit. As a recording medium in the central dictation system to be created with the aid of the invention Standard tape cartridges can be used.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Darin zeigen:An embodiment of the invention is shown in the drawing. Show in it:

Pig. 1 eine perspektivische Ansicht eines bei der erfindungsgemäßen Anordnung verwendeten Bandkassettenwechslers,Pig. 1 is a perspective view of one in the invention The arrangement of the tape cassette changer used,

Fig. 2 eine Draufsicht auf den Bandkassettenwechsler von Fig. 1,Fig. 2 is a plan view of the tape cassette changer of Fig. 1;

Fig. 3 eine bildliche Darstellung des in Fig. 1 gezeigten Kassettenwechslermechanismus einschließlich einer Kassette, die so eingestellt ist, daß die Bandtransportvorrichtung zum Aufzeichnen einer Nachricht auf sie einwirkt,Fig. 3 is a pictorial representation of the cartridge changer mechanism shown in Fig. 1 including a cartridge; which is set so that the tape transport device acts on it to record a message,

Fig. 4 den Kassettenwechselmechanismus von Fig. 3, wobei eine Kassette von dem Mechanismus ausgestoßen ist,Fig. 4 shows the cartridge changing mechanism of Fig. 3, wherein a cartridge is ejected from the mechanism,

Fig. 5 ein schematisches Schaltbild der Diktier- und Nachrichtensteuerschaltungen nach der Erfindung,Figure 5 is a schematic diagram of the dictation and message control circuits according to the invention,

Fig. 6 eine Darstellung eines Abschnitts eines Aufzeichnungsbandes, das mit Hilfe der erfindungsgemäßen Anordnung aufgebrachte Nachrichteninformationen und Steuersignalinformationen enthält,6 is an illustration of a section of a recording tape; the message information and control signal information applied with the aid of the arrangement according to the invention contains,

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Pig· 7 ein Punktionsschalfbild der Kassettenwechsler-Steuer schaltung nach der Erfindung,Pig 7 a puncture image of the cassette changer control circuit according to the invention,

Fig. 8 ein Punktionsschaltbild einer Vorrangdiktat-Umschal t anordnung nach der Erfindung und8 shows a puncture circuit diagram of a priority dictation switchover t arrangement according to the invention and

Pig. 9 ein-Zeitdiagramm zur Veranschaulichung der Polge von Vorgängen und Sehalterbetätigungen, die im Verlauf eines Kassettenwechselzyklus bei der erfindungsgemäßen Anordnung erfolgen.Pig. 9 is a timing diagram to illustrate the pole of processes and operations that occur in the course of a cartridge change cycle take place in the arrangement according to the invention.

Allgenein ausgedrückt umfaßt die Erfindung ein Gerät zum Aufzeichnen diktierter Nachrichten, das mehrere Aufzeichnungseinheiten, beispielsweise Standardbandkassetten, enthält, und jeweils eine der Aufzeichnungseinheiten wirkungsmäßig mit einer Bandtransportvorrichtung und einem Nachrichtenwandler zusammenbringt, wobei das Gerät beim Auftreten . eines oder mehrerer vorbestimmter Ereignisse in ausgewählter Weise die Kassette aus der Bandtransportvorrichtung entfernt und dafür eine andere Kassette aus der zur Verfügung stehenden Anzahl von Kassetten einsetzt. Der Kassettenwechsel kann von Ereignissen wie einem die Beendigung der Belegung der Diktiereinrichtung anzeigenden Signal, von einem von der länge des in der Kassette übrigen Bandes abhängigen Signal, vom Fehlen der Bewegung der ausgewählten Bandkassette oder von anderen Bedingungen gesteuert werden. Einem Diktierenden werden geeignete Signale zur Verfügung gestellt, die anzeigen, daß nur noch eine vorbestimmte Bandlänge in der Kassette zum Diktieren übrig ist, und die ferner angeben, daß ein Kassettenwechselzyklus erfolgt. Die Erfindung umfaßt auch eine Vorrangumschaltschaltung, die es ermöglicht, eine Diktierstelle in ausgewählter Weise zum Diktieren einer Nachricht entweder mit einem regulären Zentraldiktiergerät; oder mit einem Vorrangzentraldiktiergerät zu verbinden.Generally speaking, the invention includes an apparatus for Recording of dictated messages containing multiple recording devices such as standard tape cassettes, and one of each of the recording units operatively having a tape transport device and a message converter brings together, the device when occurring. one or more predetermined events in selected Way, the cassette is removed from the tape transport device and another cassette is available from the device standing number of cassettes is inserted. The cartridge change can be triggered by events such as the termination of the occupancy the dictation device indicating signal, depending on the length of the remaining tape in the cassette Signal, lack of movement of the selected tape cartridge, or other conditions. A dictator Suitable signals are provided which indicate that only a predetermined length of tape remains in the Cassette is left to dictate, and which also indicate that a cassette change cycle is in progress. The invention includes also a priority switching, which makes it possible to dictate a dictation point in a selected manner for dictating a Message either with a regular central dictation machine; or to be connected to a priority dictation machine.

In der Zeichnung zeigt Fig. 5 ein FunktionsblockschaltbildIn the drawing, FIG. 5 shows a functional block diagram

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des Nachrichten- und Steuersignalaufzeiehmingsteils einer Zentraldiktieranlage mit einem mehradrigen Leiter 11, der sich zwischen einer entfernt angebrachten Diktierstelle 10 und der Belegungsschaltung 12 sowie der Diktier/Abhör- Steuereinheit 13 erstreckt. Für den Fachmann ist zu erkennen, daß üblicherweise in Zentraldiktieranlagen verwendete Diktierstellen einen in Fig. 5 in der Auflegestellung dargestellten Gabelumschalter 10a enthalten, der eine gewünschte Verbindung zwischen der Diktierstelle und dem Zentraldiktiergerät meldet, und daß ferner verschiedene Betriebssteuerungen zur Erzeugung von Steuersignalen entsprechend den Diktierfunktionen wie Vorwärtr.-Diktieren, Rücklauf und Vorwärts-Abhören sowie ein Mikrophon und ein Lautsprecher für eine Zweiweg-Tonverbindung zwischen der Diktierstelle und dem Zentraldiktiergerät enthalten sind. Besondere Einzelheiten dieser Diktiersteilen sind bekannt, so daß sie hier nicht wiederholt werden müssen.of the message and control signal recording part a central dictation system with a multi-core conductor 11, which is located between a remote dictation station 10 and the occupancy circuit 12 and the dictation / listening control unit 13 extends. For the professional it can be seen that dictation stations usually used in central dictation systems have one shown in FIG Included in the laying position shown hook switch 10a, the desired connection between the Dictation station and the central dictation device reports, and that also various operational controls for the generation of Control signals according to the dictation functions such as forward dictation, rewind and forward listening as well a microphone and a loudspeaker for a two-way audio connection between the dictation station and the central dictation machine are included. Particular details of these dictation parts are known, so they are not here need to be repeated.

Dem Fachmann ist auch bekannt, daß ein Umschalten des Grabelumschalters an der Diktierstelle in einen Abhebezustand einen Stromkreis schließt und daß diese^s Schließen eines Stromkreises von der Belegungsschaltung 12 festgestellt wird, damit ein vorbestimmter Signalzustand, der anschlisssend mit "Besetztsignal" bezeichnet wird, im Zentraldiktiergerät hervorgerufen wird. Dieses Besetztsignal wird üblicherweise am Leiter 37 zu anderen Teilen des Zentraldiktier£eräts übertragen; es wird auch an den Leiter 11 angelegt, damit der bestimmten Diktierstelle 10 gemeldet wird, daß eine Belegung des Zentraldiktiergeräts durchgeführt worden ist und damit in allen anderen Diktierstellen, die parallel an das bestimmte Zentraldiktiergerät angeschlossen sein können, eine Sperrbedingung hergestellt und aufrechterhalten wird.It is also known to the person skilled in the art that switching over the grab switch at the dictation station in an off-hook condition closes a circuit and that this ^ s closes a Circuit is determined by the occupancy circuit 12, so that a predetermined signal state, the subsequent is referred to as "busy signal", is caused in the central dictation device. This busy signal is usually on conductor 37 transferred to other parts of the central dictation device; it is also applied to conductor 11, so that the specific dictation station 10 is reported that an occupancy of the central dictation device has been carried out and thus in all other dictation stations that can be connected in parallel to the specific central dictation device, a blocking condition is established and maintained.

Das Zentraldiktiergerät ist mit einer Diktier/Abhör-Steuereinheit 13 versehen, die die von den Betriebssteuerungen derThe central dictation device is provided with a dictation / interception control unit 13, which is controlled by the operational controls of the

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Diktierstelle erzeugten Signale empfängt und die richtigen Betriebssteuersignale über einen Leiter 14 an die Bandtransport-Steuereinheit 15 anlegt. Die Bandtransport-Steuereinheit 15 enthält typischerweise Elektromagnete und/ oder andere Vorrichtungen, die die Relativbewegung des Aufzeichnung Standes (oder eines anderen Aufzeichnungsmediums) in Bezug auf den oder die Wandler steuern. Die Diktier/Abhö'r-S teuer einheit 13 ist über den Leiter 16 auch an den Tonkopf 17 angeschlossen, der ein herkömmlicher AufZeichnungs-Wiedergabe -Wandler ist, der das Aufzeichnungsband berührt. Wenn das Diktat an der Diktierstelle in das Mikrophon gesprochen wird, wird das über den Leiter 11 übertragene Tonsignal durch geeignete Verstärker und zum Leiter 16 geschickt, damit an den Tonkopf 17 ein geeignetes Tonaufzeichnungssignal angelegt wird. Wenn ein Steuersignal von der Diktierstelle das Abspielen des Bandes in einem Abhörbetrieb befiehlt, werden von Tonkopf 17 empfangene Tonsignale über den Leiter 16 geführt, dann verstärkt und schließlich über den Leiter 11 zur Diktierstelle zurückübertragen.Receives the dictation station generated signals and applies the correct operating control signals via a conductor 14 to the tape transport control unit 15. The tape transport control unit 15 typically includes electromagnets and / or other devices that control the relative movement of the recording stand (or other recording medium) with respect to the transducer (s). The dictation / listening device 13 is also connected via the conductor 16 to the sound head 17, which is a conventional recording / playback transducer which contacts the recording tape. When the dictation is spoken into the microphone at the dictation station, the audio signal transmitted via the conductor 11 is sent through suitable amplifiers and to the conductor 16 so that a suitable audio recording signal is applied to the sound head 17. When a control signal from the dictation station commands the tape to be played in a listening mode, audio signals received by the sound head 17 are passed over the conductor 16, then amplified and finally transmitted back over the conductor 11 to the dictation station.

In der beschriebenen Ausführungsform befindet sich ein zweiter Wandlerkopf 18, der als "Signalkopf¹¹ bekannt ist, ebenfalls in Übertragungskontakt mit einer getrennten Spur des Aufzeichnungsbandes, wie aus der unten folgenden Beschreibung von Pig. 6 zu erkennen ist. Der Signalkopf 18 kann selektiv so angeschlossen werden, daß er abhängig davon, welcher der entsprechenden Schalter 24, 25 oder 26 geschlossen ist, Signale vom Zeitliniengenerator 21, vom Befehlssignalgenerator 22 oder vom Endsignalgenerätor 23 empfängt. Jeder dieser drei Signalgeneratoren 21, 22 und 23 erzeugt ein Niederfrequenz-Tonsignal mit einer Frequenz, die sich von den von den anderen zwei Generatoren erzeugten Frequenzen unterscheidet; diese Signale werden mit Hilfe des Signalkopfs 18 dem Aufzeichnungsband eingeprägt. Der Schalter 24 steht in einer Steuerverbindung 27 mit der Dik-In the embodiment described, a second transducer head 18, known as "signal head ¹¹ , is also in communication contact with a separate track of the recording tape as will be seen from the description of Pig. 6 below. Signal head 18 can be selectively connected be that he which receives depending on the respective switches 24, 25 or 26 is closed signals from the timeline generator 21, the command signal generator 22 or from Endsignalgenerätor 23rd Each of these three signal generators 21, 22 and 23 produces a low frequency tone signal having a frequency which differs from the frequencies generated by the other two generators; these signals are impressed on the recording tape with the aid of the signal head 18. The switch 24 is in a control connection 27 with the dial

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240A 1 72240A 1 72

tier/Abhör-Steuereinheit 13, und diese Steuerverbindung bewirkt das Schließen des Sohalters 24 jedesmal dann, wenn von der Diktierstelle eine Nachricht auf das Band diktiert wird. Der Schalter 26 besitzt eine entsprechende Steuerverbindung 20 mit der Endsignal-Steuereinheit 53, damit der Schalter 26 am Ende einer diktierten Nachricht, das von einer Unterbrechung der Zeitlinie angegeben wird, wie unten noch beschrieben wird, momentan geschlossen wird. Zusätzliche Einzelheiten von Einrichtungen zum Einprägen •einer Zeitlinie und anderer Steuersignale in einer oder mehrere η Steuersignalspuren eines Aufzeichnungsmediums finden sich in der USA-Patentanmeldung Su 149 480 vom 3. Juni 1971.animal / eavesdropping control unit 13, and this control connection causes the closure of the so-holder 24 every time when a message is dictated onto the tape from the dictation station. The switch 26 has a corresponding one Control connection 20 to the end signal control unit 53 so that the switch 26 at the end of a dictated message, which is indicated by a break in the timeline, as will be described below, is currently closed. Additional details of facilities for imprinting a timeline and other control signals in an or several η control signal tracks of a recording medium can be found in the US patent application Su 149 480 from 3rd June 1971.

Während eines Vorwärts-Abhörbetriebs der Zentraldiktieranlage werden Steuersignale, die vorher über den Signalkopf 18 auf dem Band aufgezeichnet worden sind, von diesem Kopf als Signale am Leiter 28 abgenommen, und es ist eine geeignete Signalfiltereinheit 29 zum Trennen der drei Frequenzen der von den entsprechenden Generatoren 21 bis 23 angelegten Signale vorgesehen. Die Signalfiltereinheit 29 kann von drei Bandpaßfiltern gebildet sein, die auf die drei zu trennenden "Frequenzen abgestimmt sind. Das Zeitliniensignal aus der Signalfiltereinheit 29 wird einer Invertierschaltung 33 und dann einer UND-Schaltung 34 zugeführt. Das andere Eingangssignal der UND-Schaltung 34 ist ein Bandbewegungssignal, das nur dann vorhanden ist, wenn sich das Aufzeichnungsband (oder ein anderes Aufzeichnungsmedium) tatsächlich bewegt.During a forward eavesdropping operation of the central dictation system, control signals that were previously transmitted via the signal head 18 recorded on the tape is picked up by that head as signals on conductor 28, and it is a suitable signal filter unit 29 for separating the three frequencies of the respective generators 21 to 23 applied signals are provided. The signal filter unit 29 can be formed by three bandpass filters which are tuned to the three frequencies to be separated. The time line signal the signal filter unit 29 becomes one Inverter circuit 33 and then supplied to an AND circuit 34. The other input to the AND circuit 34 is a tape movement signal that is only present when the recording tape (or other recording medium) is actually moved.

Das Ausgangssignal der UND-Schaltung 34 wird an den Rücksetzeingang einer Flip-Flop-Schaltung 35 gelegt,u.der Setzeingang dieser Flip-Flop-Schaltung ist über die Inverterschaltung 36 und die Impulsschaltung 39 so angeschlossen, daß er ein Signal empfängt, das das invertierte oben erwähnte Besetztsignal ist, das über den Leiter 37 zugeführtThe output of the AND circuit 34 is applied to the reset input a flip-flop circuit 35 and the set input this flip-flop circuit is connected via the inverter circuit 36 and the pulse circuit 39 so that that it receives a signal which is the inverted busy signal referred to above, which is supplied via conductor 37

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wird. Wenn das Besetztsignal nicht mehr an diesem Leiter anliegt, wird das sich daraus ergehende Signal mit dem Signalwert ^M1^M am Ausgang der Invertierschaltung 36 an die Impulsschaltung 39 angelegt, damit momentan ein Signal mit dem Signalwert "1" zum Umschalten der Flip-Flop-Schaltung 35 in den gesetzten Zustand angelegt wird. Das Q-Ausgangssignal der Flip-Flop-Schaltung 35, das dann vorhanden ist, wenn sich die Flip-Flop-Schaltung im gesetzten Zustand befindet, wird der Bandtransport-Steuereinheit 15 zugeführt, damit die Bewegung des Bandes im Vorwärts-Abhörbetrieb verursacht wird. Dieses Q-Ausgangssignal wird auch als Vorwärts-Rückstell-Signal an die Anordnung angelegt, die in Fig. 7 dargestellt ist und unten näher "beschrieben wird. Somit ist zu erkennen, daß die Bandtransport-Steuereinheit 15 in Abhängigkeit von einem Vorwärts-Abhörbefehlssignal von der Diktierstelle 10 oder von einem Vorwärts-Rückstellsignal, das vom Q-Ausgangssignal der Flip-Flop-Schaltung 35 erzeugt wird, die Bewegung des Bandes im Vorwärts-Abhörbetrieb bewirkt. Die Vorwärts-Abhörbewegung des Bandes in Abhängigkeit vom Vorwärts-Rückstellsignal hält so lange an, bis eine dem Ende einer zuvor aufgezeichneten Nachricht entsprechende Unterbrechung des Zeitliniensignals bewirkt, daß ein Signalwert "0" des Zeitliniensignals in der Invertierschaltung 33 invertiert und an die UND-Schaltung 34 angelegt wird. Am Bandbewegungssignaleingang der UND-Schaltung 34 liegt bereits ein Signal mit dem Signalwert "1" an, so daß der Rücksetzeingang der Flip-Flop-Schaltung 35 ein Signal mit dem Signalwert "1" empfängt, das bewirkt, daß das Q-Ausgangssignal, also das Vorwärts-Rücksetzsignal dieser Flip-Flop-Schaltung den Signalwert "0" annimmt und die Vorwärts-Abhörbandbewegung angehalten wird.will. When the busy signal is no longer present on this conductor, the resulting signal with the signal value ^M 1 ^M at the output of the inverter circuit 36 is applied to the pulse circuit 39 so that a signal with the signal value "1" is momentarily used to switch the flip-flop Circuit 35 is applied in the set state. The Q output of the flip-flop circuit 35, which is present when the flip-flop circuit is in the set state, is supplied to the tape transport control unit 15 to cause the tape to move in the forward listening mode. This Q output signal is also applied as a reset forward signal to the arrangement shown in FIG. 7 and described in more detail below the dictation station 10 or a forward reset signal generated by the Q output signal of the flip-flop circuit 35 causes the tape to move in the forward listening mode on until an interruption of the time line signal corresponding to the end of a previously recorded message causes a signal value "0" of the time line signal to be inverted in the inverter circuit 33 and applied to the AND circuit 34. A signal is already present at the tape movement signal input of the AND circuit 34 with the signal value "1", so that the reset input of the flip-flop circuit 35 receives a signal with the signal value "1" that causes the Q output signal, that is, the forward reset signal of this flip-flop circuit to assume the signal value "0" and the forward monitoring tape movement is stopped.

IHe Endsignal-Steuereinheit 53 bewirkt in Abhängigkeit vom Anliegen des Signalwerts "1" aus der UND-Schaltung 52IHe end signal control unit 53 operates depending from the presence of the signal value "1" from the AND circuit 52

AO9832/0819AO9832 / 0819

240A 1 72240A 1 72

ein momentanes Schließen des Endsignalschalters 26 über die Steuerverbindung 20. Gleichzeitig bewirkt die Endsignal-Steuereinheit das Anlegen eines momentanen Steuersignals über den Leiter 56 an die Bandtransport-Steuereinheit, damit das Band veranlaßt wird, sich für die Dauer dieses momentanen Signals vorwärts zu bewegen, so daß ein Endsignal aus dem Endsignalgenerator 23 auf dem Band aufgezeichnet werden kann. Die Anwesenheit eines Besetztsignals hindert in den von der Invertierschaltung invertierten Zustand die Endsignal-Steuereinheit 53 daran, ein Signal mit dem Signalwert "1" zu empfangen, während die Zentraldiktieranlage belegt ist. Überdies wird ein während des Vorwärts-Rücksetzbetriebs nach dem Übergang des Besetztsignals auf den Signalwert ⁿ0^H in der Invertierschaltung 55 invertiert, damit ein Betrieb der Endsignal-Steuereinheit 53 verhindert wird. Sobald jedoch sowohl am Leiter 51 als auch am Leiter 37 der Signalwert ¹¹O" vorhanden ist, empfängt die Endsignal-Steuereinheit 53 aus der UND-Schaltung 52 den Signalwert ¹¹I", damit sie ir. der oben erwähnten Weise arbeitet.a momentary closing of the end signal switch 26 via the control connection 20. At the same time, the end signal control unit causes a momentary control signal to be applied to the tape transport control unit via conductor 56 to cause the tape to move forward for the duration of this momentary signal, so that an end signal from the end signal generator 23 can be recorded on the tape. In the state inverted by the inverter circuit, the presence of a busy signal prevents the end signal control unit 53 from receiving a signal with the signal value "1" while the central dictation system is busy. Moreover, a signal during the forward reset operation after the busy signal changes to the signal value ⁿ 0 ^{H is} inverted in the inverter circuit 55 so that the end signal control unit 53 is prevented from operating. ^{However, as soon as the signal value 11} O "is present on both the conductor 51 and the conductor 37, the end signal control unit 53 receives the signal value ¹¹ I" from the AND circuit 52 so that it operates in the manner mentioned above.

Fig. 6 zeigt in Form eines Diagramms einen Abschnitt eines Aufzeichnungsbandes 42, bei dem in einer ersten Spur 44 ein Tonsignal 43 aufgezeichnet ist, während in einer zweiten Spur 46 ein Zeitliniensignal 45 aufgezeichnet ist. Es ist zu erkennen, daß das Zeitliniensignal 45ebenso lang andauert, wie das Tonsignal 43? für jede Unterbrechung des aufgezeichneten Tonsignals, wie sie beispielsweise bei 47a dargestellt ist, ist eine entsprechende Unterbrechung 47b des Zeitliniensignals vorhanden. Die zweite Spur 46 kann auch ein oder mehrere Befehlssignale und ein Machrichtenende-Signal 49 empfangen, das von den entsprechenden Signalgeneratoren 22 und 23 über den Signalkopf 18 in ausgewählter Weise aufgebracht wird. Der Fachmann kann erkennen, daß der Schalter 25 für das Befehlssignal zum Aufbringen der Befehlssignale auf die zweite Spur 46 des Bandes von Hand oder auf andereFig. 6 shows in the form of a diagram a portion of a Recording tape 42, in which a sound signal 43 is recorded in a first track 44, while in a second On track 46 a time line signal 45 is recorded. It can be seen that the time line signal 45 lasts just as long like the sound signal 43? for each interruption of the recorded audio signal, as shown for example at 47a there is a corresponding interrupt 47b in the time line signal. The second track 46 can also be an or a plurality of command signals and an end-of-machine signal 49 received, applied by the respective signal generators 22 and 23 via the signal head 18 in a selected manner will. Those skilled in the art can recognize that the command signal switch 25 is used to apply the command signals onto the second track 46 of the tape by hand or other

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Weise selektiv "betätigt werden kann. Die kurze lücke zwischen der Unterbrechung des Zeitliniensignals und dem Auftreten des Nachrichtenende-Signals ist eine Folge des Banddrehzahlmoments und der Zeitverzögerung, die der Betriebsschaltung einer tatsächlich arbeitenden Ausführung eigen sind.Way selectively "can be operated. The short gap there is a consequence between the interruption of the time line signal and the occurrence of the end of message signal of the tape speed torque and the time delay that the operating circuit of an actually operating execution are peculiar.

Cassette changer

Es folgt nun die Beschreibung eines Ausführungsbeispiels einer; Kassettenwechslers, der nacheinander jede von mehreren Kassetten in einen Aufzeichnungs/Wiedergäbe-Eingriff mit den Wandlerköpfen 17 und 18 bringt. Es wird hier zwar eine spezielle Ausführung einer Kassettenwechselvorrichtung verwendet, doch ist für den Fachmann zu erkennen, daß die eigentliche Kassettenwechselvorrichtung selbst abgesehen von der Wechselwirkung dieser Vorrichtung als Teil der Kassettenzentraldiktieranlage nach der Erfindung nur eine Möglichkeit aus einer Anzahl von Alternativmöglichkeiten darstellt, die zum automatischen Wechseln eines Aufzeichnungsmediums wie einer Kassette verwendet werden kann. Ein Beispiel eines Kassettenweshslers ist in der US-PS 3 587 beschrieben.There now follows a description of an embodiment of a; Cassette changer, which sequentially each of several Cartridges in record / playback engagement with the transducer heads 17 and 18 brings. It is true that a special version of a cassette changing device is used here used, but it will be recognized by those skilled in the art that the actual cassette changing device itself is disregarded only one of the interaction of this device as part of the central cassette dictation system according to the invention Possibility from a number of alternative possibilities, the automatic changing of a recording medium how a cassette can be used. An example of a cassette changer is shown in U.S. Pat 587.

In den Fig. 1 und 2 ist ein Kassettenwechsler 60 dargestellt, der ein Gehäuse 61 aufweist, das so geformt ist, daß ein länglicher Kassettenbehälter 62 gebildet wird, dessen Breite geringfügig größer als die Breite der bestimmten zu verwendenden Kassetten 63 ist. Im dargestellten Beispiel sind die Kassetten 63 oben erwähnte Standardkassetten, die abhängig von der Länge des in der Kassette enthaltenen Bandes Bezeichnungen wie C-60, C-90 oder dergleichen tragen. Der Kassettenbehälter 62 ist von einem Boden 64 begrenzt, in dem ein Schlitz 65 angebracht ist, der so dimensioniert ist, daß eine der Kassetten 63 durchgeführt1 and 2, a cassette changer 60 is shown which has a housing 61 which is shaped so as to that an elongated cassette container 62 is formed, the width of which is slightly greater than the width of the particular one Cartridges 63 to be used is. In the example shown, the cassettes 63 are standard cassettes mentioned above, the names like C-60, C-90 or the like depending on the length of the tape contained in the cassette wear. The cassette container 62 is delimited by a bottom 64 in which a slot 65 is made, the so is dimensioned that one of the cassettes 63 is carried out

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werden kann. Zwei einander gegenüberliegende Seitenteile 66 und 67, die jeweils mit mehreren vertikal verlaufenden Rippen 68 ausgestattet sind, werden von Endteilen 69 und 70 zusammengehalten, so daß ein Kassettenträger entsteht, der in Längsrichtung des Kassettenbehälters 62 verschoben werden kann. Zum selektiven Bewegen des Kassettenträgers längs .des Behälters 62 von einem Ende zum anderen ist eine geeignete Fortschaltvorrichtung vorgesehen, die "bei jedem Portschaltvorgang den Kassettenträger in Richtung des Pfeils 72 um ein vorbestimmtes Stück bewegt. Es ist zu erkennen, daß der Kassettenträger bei jedem Fortschaltvorgang um eine Strecke bewegt wird, die gleich der Breite der zwischen den Rippen 68 angebrachten Kassetten ist, so daß jede der im Träger angebrachten Kassetten 63 nacheinander über den Schlitz 65 im Boden 64 des Behälters durch aufeinanderfolgende Fortschaltvorgänge nacheinander angebracht wird.can be. Two opposite side parts 66 and 67, each with a plurality of vertically extending Ribs 68 are equipped, are held together by end parts 69 and 70, so that a cassette carrier is formed, which can be moved in the longitudinal direction of the cassette container 62. For selective movement of the cassette carrier A suitable indexing device is provided along the container 62 from one end to the other, which "moves the cassette carrier in the direction of arrow 72 by a predetermined distance with each port switching operation. It can be seen that the cassette carrier is moved by a distance which is equal to that with each indexing process Width of the cassettes mounted between the ribs 68 is so that each of the cassettes 63 mounted in the carrier is one after the other via the slot 65 in the bottom 64 of the container by successive indexing operations one after the other is attached.

Die Fortschaltbewegung des Kassettenträgers kann mit Hilfe einer Vorrichtung wie der Zahnstangen- und Ritzelvorrichtung 71 gesteuert werden, bei der das Ritzel mit einer von einem Elektromagnet oder dergleichen betätigten Hemmvorrichtung verbunden ist, die so betätigt werden kann, daß der Kassettenträger zum Placieren der nächsten Kassettenposition in eine Linie mit dem Schlitz 65 weitergeschaltet wird.The advancement of the cartridge carrier can be accomplished with the aid of a device such as the rack and pinion device 71 can be controlled, in which the pinion with an actuated by an electromagnet or the like locking device is connected, which can be operated so that the cassette carrier for placing the next cassette position indexed into line with slot 65.

Bei dem in den Fig. 3 und 4 dargestellten Ausführungsbeispiel einer Kassettenwechselvorrichtung ist ein Kassettentransportglied 74, das zwei Kassettenhalteenden 75 a und 75b aufweist, über eine Parallelogrammhebelanordnung 76 miteinander verbunden, die durch Drehen der Welle 77 bewegt werden kann. Die Welle 77 kann selektiv mit Hilfe eines Kurbelhebels 78 gedreht werden, der mit einer drehfest auf einer Welle 80 sitzenden Scheibe 79 verbunden ist} die Welle 80 ist dabei über die KupplungsvorrichtungIn the embodiment of a cassette changing device shown in FIGS. 3 and 4, there is a cassette transport member 74, which has two cassette holding ends 75 a and 75 b, via a parallelogram lever arrangement 76 connected to each other, which can be moved by rotating the shaft 77. The shaft 77 can be selectively with the help a crank lever 78, which is connected to a disc 79 seated in a rotationally fixed manner on a shaft 80 is} the shaft 80 is via the coupling device

4Ü9832/08194Ü9832 / 0819

88 und die Welle 87 selektiv mit der Betätigungsvorrichtung 94 verbunden. Die elektrischen Schalter B-1, B-2 und B-3 sind so angeordnet, daß sie von entsprechenden Kurvenschei"ben 81, 82 und 83 in ausgewählter Weise betätigt werden können, die drehfest auf der Welle 80 sitzen. Die tatsächlichen Profile der Kurvenscheiben 81, 82 und 83 sind aus den Pig. 3 und 4- weggelassen, da die zeitliche Betätigung der Schalter B-1, B-2 und B-3 im Einzelnen unten genauer angegeben ist. Die Punktionen dieser kurvenscheibenbetätigten Schalter B-1, B-2 und B-3 können andererseits auch von segmentierten Kommutatoren übernommen werden, die von der Welle 80 gedreht werden.88 and shaft 87 selectively connected to actuator 94. The electrical switches B-1, B-2 and B-3 are arranged to be supported by respective cams 81, 82 and 83 in a selected manner can be actuated, which are seated in a rotationally fixed manner on the shaft 80. The actual profiles of the cams 81, 82 and 83 are from the Pig. 3 and 4- omitted, because the timing of switches B-1, B-2 and B-3 is detailed below. The punctures on the other hand, these cam-operated switches B-1, B-2 and B-3 can also be segmented commutators which are rotated by the shaft 80 are taken over.

Es ist zu erkennen, daß eine Drehung der Welle 80 eine abwechselnde Bewegung der Parallelogrammhebelanordnung 76 zwischen der in Pig. 4 dargestellten * Stellung, in der die Kassettenhalteenden 75 a und 75b im wesentlichen in einer Ebene mit dem Boden 64 des Kassettenbehälters liegen, und der in Pig. 3 dargestellten Stellung, in der die Kassettenhalteenden bis etwa auf die Höhe des Trägerteiles 84 abgesenkt sind, bewirkt. Eine bestimmte Kassette 85, die vom Kassettenträger in eine Lage über dem Schlitz 65 bewegt worden ist, wird normalerweise von den Kassettenhalteenden 75a und 75b gestützt, damit sie die in Pig.. 4 dargestellte Position beibehält. Wenn die Betätigungsvorrichtung 94 und die Kupplung 88 erregt sind, erlauben die sich nach unten bewegenden Kassettenhalteenden 75a und 75b das Absenken der Kassette 85 unter den Boden 64 bis zum Erreichen der in Pig. 3 dargestellten Position. Wenn sich die Kassette 85 in der in Pig„ 3 dargestellten abgesenkten Position befindet, gelangt die Wandlerkopfanordnung 86 in einen Übertragungseingriff mit dem in der Kassette enthaltenen Band. Es ist zu erkennen, daß die Wandlerkopfanordnung die oben erwähnten Ton- und Signalköpfe 17 bzw. 18 sowie geeignete Löschköpfe enthalten kann.It can be seen that rotation of the shaft 80 results in an alternating movement of the parallelogram lever assembly 76 between that in Pig. 4 * position shown in which the cassette holding ends 75 a and 75 b substantially in one level with the bottom 64 of the cassette case, and that in Pig. 3 position shown in which the cassette holding ends are lowered to about the level of the support part 84, causes. A particular cassette 85 that has been moved by the cartridge carrier to a position above the slot 65 is normally by the cartridge holding ends 75a and 75b supported so that it maintains the position shown in Pig. When the actuator 94 and the clutch 88 are energized, the downwardly moving cartridge holding ends 75a and 75b permit Lower the cassette 85 below the floor 64 until it reaches the in Pig. 3 position shown. When the cassette 85 is in the lowered position shown in Pig "3, the transducer head assembly 86 comes into transferring engagement with the tape contained in the cartridge. It will be seen that the transducer head assembly includes the aforementioned audio and signal heads 17 and 18, respectively, as well as suitable ones May contain erase heads.

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Es ist eine Bandtransportvorrichtung mit zwei Spindeln 90 und 91 vorgesehen, die in einem Abstand voneinander liegen, der mit dem Abstand von Spule zu Spule der verwendeten Kassetten übereinstimmt. Die Bandtransportvorrichtung wird von einer geeigneten Anordnung mit zwei Schienen 92 und 93.seitlich verschiebbar gehalten, und es ist eine durch die drehfest mit der Welle 80 verbundene Kurvenscheibe 95 schematisch dargestellte Betätigungsvorrichtung vorgesehen, mit deren Hilfe die Bandtransportvorrichtung selektiv längs der erwähnten Schienen so bewegt werden kann, daß sie entweder die in Pig. 4 dargestellte zurückgezogene Lage oder die in Pig. 3 dargestellte Eingriffslage einnimmt, in der die Spindeln 90 und 91 der Bandtransportvorrichtung wirkungsmäßig mit den entsprechenden Bandspulen der abgesenkten Kassette in Eingriff stehen. Für den Fachmann ist zu erkennen, daß die seitlich bewegliche Bandtransportvorrichtung weitere herkömmliche Elemente wie eine Bandantriebsrolle und Ausrichtstifte zur Einwirkung auf die Kassette 85 aufweist, die aus Gründen der Übersichtlichkeit der Zeichnung weggelassen sind, da diese Elemente bei Bandtransportvorrichtungen für Kassetten üblich sind. Ferner befindet sich gegenüber der innerhalb der Kassette 85 liegenden Bandantriebsrolle eine Anpressrolle 96 mit herkömmlicher Konstruktion und Wirkungsweise.A tape transport device is provided with two spindles 90 and 91 which are at a distance from one another that corresponds to the distance from spool to spool of the cassettes used. The tape transport device is held laterally displaceable by a suitable arrangement with two rails 92 and 93, and it is an actuating device shown schematically by the cam disk 95 connected non-rotatably to the shaft 80 provided, with the help of which the tape transport device selectively along the mentioned Rails can be moved to either match those in Pig. 4 or the retracted position shown in Pig. 3 assumes the engagement position shown, in which the spindles 90 and 91 of the tape transport device with the effect engage the corresponding tape reels of the lowered cassette. For those skilled in the art it can be seen that the side-to-side tape transport other conventional elements such as a capstan and alignment pins to act on the cassette 85, which has been omitted for the sake of clarity of the drawing as these elements are common in tape transport devices for cartridges. There is also opposite the tape drive roller lying within the cassette 85, a pressure roller 96 of conventional construction and mode of action.

Bei einem vollständigen Kassettenwechselzyklus der als Beispiel dargestellten Kassettenwechselvorrichtung, der bei der Position von Fig. 3 beginnt, bei der die Kassette abgesenkt ist und die Bandtransportvorrichtung mit der Kassette voll in Eingriff steht, wird die Betätigungsvorrichtung 94 in Betrieb gesetzt, und die Kupplung 88 wird so in Eingriff gebracht, daß die Bandtransportvorrichtung aus ihrem Eingriff mit der Kassette 85 zurückgezogen wird. Die Kassette wird dann von den Kassettenhalteenden 75a und 75b angehoben, damit sie die Stellung vonWith a full cartridge change cycle of the as Example illustrated cassette changing device, which begins at the position of FIG. 3, in which the cassette is lowered and the tape transport is fully engaged with the cassette, the actuator 94 put into operation, and the clutch 88 is brought into engagement that the tape transport device is withdrawn from engagement with the cartridge 85. The cassette is then released from the cassette holding ends 75a and 75b raised to take the position of

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Pig. 4 einnimmt. Die Betätigungsvorrichtung 94- kann mit einer selektiven Verbindung mit dem Motor versehen sein, der normalerweise die Spindeln 90 und 91 antreibt, oder sie kann andererseits auch mit einem eigenen Motor versehen sein. Wenn die Kassette 85 völlig angehoben ist, dann wird der Kassettenträger durch eine geeignete Verbindung zwischen der Portschaltvorrichtung und der Kassettenwechselvorrichtung um eine Stellung so weitergeschaltet, daß die nächste Kassette über den Schlitz 65 bewegt wird. Eine fortgesetzte Drehung der Welle 80 senkt die Kassettenhalteenden 75a und 75b auf den Punkt ab, bei dem sich die neue Kassette in einer Linie mit der Bantransportvorrichtung befindet. Schließlich bewegt eine Drehung der Kurvenscheibe 95 die Bandtransportvorrichtung in Eingriff mit der neu eingegebenen Kassette.Pig. 4 occupies. The actuator 94- can be provided with a selective connection with the motor that normally drives the spindles 90 and 91, or, on the other hand, it can also be provided with its own motor. When the cassette 85 is fully raised, then the cassette carrier is connected by a suitable connection between the port switching device and the cassette changing device is switched by one position so that the next cassette is moved over the slot 65. Continued rotation of the shaft 80 lowers the cartridge holding ends 75a and 75b to the point where the new cassette is in line with the tape transport device. Eventually one rotation of the cam moves it 95 the tape transport device engages the newly inserted cassette.

Die verschiedenen Arbeitsstufen des Kassettenwechslers, bei denen eine neue Kassette anstelle der vorher in einer Aufzeichnungs/Wiedergabe-Beziehung mit der Kopfanordnung 86 befindlichen Kassette eingesetzt wird, sind in Pig. 9 zusammen mit den entsprechenden Stellungen der Schalter B-1, B-2 und B-3 bei Betätigung der hier beschriebenen Ausfuhrungsform dargestellt. Insbesondere ist zu erkennen, daß der von einer Kurvenscheibe betätigte Schalter B-1 geöffnet ist, wenn die Bandtransportvorrichtung tatsächlich mit einer Kassette 85 in. Eingriff steht, während er sonst stets geschlossen ist. Der Schalter B-2 ist im Verlauf des Kassettenausstoßabschnitts jedes Kassettenwechselzyklus momentan geöffnet. Beispielsweise kann der Schalter B-2 geöffnet sein, wenn sich die gerade auszustoßende Kassette etwa auf halbem Weg zur voll angehobenenen Position von Pig. 4 befindet, und er kann geschlossen werden, wenn die Kassette völlig· angehoben ist. Der von einer Kurvenscheibe betätigte Schalter B-3 ist in der dargestellten A'isführungsform geöffnet, nachdem der Kassettenträger so verschoben worden ist, daß sich eine neue Kassette über dem Schlitz 65The various stages of the cassette changer in which a new cassette instead of the previous one in a Recording / playback relationships employed with the cartridge located in the head assembly 86 are disclosed in Pig. 9 together with the corresponding positions of switches B-1, B-2 and B-3 when actuating the ones described here Embodiment shown. In particular, it can be seen that the switch B-1 actuated by a cam is open is when the tape transport device is actually engaged with a cassette 85, while otherwise is always closed. The switch B-2 is on during the cartridge eject portion of each cartridge changing cycle currently open. For example, switch B-2 can be open when the cartridge that is about to be ejected is located about halfway to Pig's fully raised position. 4 is located and it can be closed when the The cassette is fully · raised. The switch B-3 actuated by a cam is in the illustrated embodiment opened after the cassette carrier has been moved so that a new cassette is over the slot 65

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befindet, ehe eine wesentliche Abwärtsbewegung der neuen Kassette beginnt. Der Schalter B-3 wird geschlossen, wenn der Kassettenwechselzyklus beendet ist. Der Punktionszweck dieser drei Schalter wird aus der folgenden Beschreibung der Steuerschaltung ersichtlich, die für die hier beschriebene Ausfuhrungsform vorgesehen ist·located before a substantial downward movement of the new Cassette begins. Switch B-3 is closed when the cartridge changing cycle is completed. The purpose of the puncture these three switches will be apparent from the following description of the control circuit used for the one described here Embodiment is provided

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Claims

240A 1 72

Control circuit

The one in Pig. 7 control circuit receives a number of input signals, either through their presence or absence control the various work processes of the cassette changer. Of the Pig dictation / eavesdropping control unit. 5, a tape forward signal is applied to conductor 100 so that each time a tape forward signal with the signal value "1" is present when the tape transport control unit 15 is a signal which commands that unit to either forward / listen to the tape or in the mode move forward / dictate.

A tape movement sensor 101 emits an output signal whenever the tape of a cassette 85 which is engaged with the tape transport device 90 is actually emotional. The tape motion sensor 101 may be provided with any suitable device, an example being of such a sensor is formed by a commutator which is connected so that it is activated by the movement the conventional tape pressure roller is rotated, so that the rotational movement of the pressure roller driven by the tape Series of signal pulses generated on a brush in contact with the commutator. To smooth the impulses of the commutator can be provided, for example, an RC integration circuit, so that a suitable constant Tape movement signal is delivered whenever the tape is actually moving. A failure of the commanded belt movement, which occurs as a result of a jammed cassette or an exhausted supply of tape, terminates the output signal of the belt motion sensor 101.

A remaining tape sensor 102 causes an output signal to be generated with the signal value "1", if only a previous

% 09832/0819 % 09832/0819

The correct length of tape is left on the supply reel of the cassette, which is driven by the tape transport device will. The remainder of the tape sensor 102 can be formed from a device such as that described in the TJSA patent application SN 263 314 of June 15, 1972 is described; even any other suitable device could be used. Instead of a sensor that indicates when only a predetermined one Tape length is left, a counter or other device known in the art can also be used to achieve this used to indicate that a predetermined length of tape has been wound on the take-up reel.

The last cassette switch 103 supplies an output signal with the signal value "1" when the cassette carrier has been indexed into the position in which the final cartridge for insertion into an operative is available with the tape transport device. The last cartridge switch can be easily operated by one normally open pressure switch 103 are formed, according to Pig. 1 is arranged so that it is operated when the Cassette carrier indexes to the position in which the last available cassette moves over slot 65 will.

The circuit surrounded by the dashed line 104- for voluntary cassette change receives a busy signal from line 37 of FIG. 5 as well as the forward reset signal on head 38 of this figure.

There are two basic types of events that control cartridge changing in accordance with the invention. The first type of event, referred to herein as a voluntary change indicates a cartridge change that is under control by the dictating or as a result of an operation carried out by him. The second type of event, the referred to as involuntary change gives one

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Cassette change, which depends on certain others Events or conditions takes place that are not specifically commanded or controlled by the dictating ". The various Operating events which bring about an involuntary change are first considered here; for purposes of illustration it is assumed that a "particular cassette 85 is operative is engaged with tape transfer device 90 so that switch B-1 is open and the switches B-2 and B-3 are closed. The clutch 88, the actuator 94 and other control-dependent elements of the cassette changer are in Pig. 7 schematically with the Reference numeral 73 indicated; sje are considered to be they triggered a cassette change signal described above when a signal with the signal value "1" is received from the NAND circuit 105. Switches B-1, B-2 and B-3 deliver in the described embodiment, a signal with the signal value "1" in the open state and in the closed state Status of a signal with the signal value "0".

For those skilled in the art, a NAND circuit, such as circuit 105, is a logic circuit ^{which only outputs the signal value 11} O "at the output if all input signals have the signal value" 1 ". Thus, the NAND circuit provides the signal value" 1 "at the output "to the cassette changer 73 whenever a signal with the signal value" 0 "is present at one of its three inputs. The circuit emits a signal with the signal value "0" when the various possible conditions for an involuntary cassette change are given There is a predetermined length of tape on the supply reel of the cassette In the absence of commanded tape advancement, conductor 100 appears in response

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on a tape forward command signal, a signal with the signal value ⁿ 1 "which normally occurs when the dictator commands either a forward dictation movement or a forward listening movement of the tape". The normal occurrence of the tape movement as a function of this command signal has the consequence that the tape movement sensor 101 ^{emits an output signal with the signal value M} 1 ", which is ne-.gated by the inverter circuit 114 to the signal value" 0 "at the input of the time delay circuit 115 signal value ^M 0 ^M passes unchanged through time delay circuit 115 via the conductor 117 as an input signal to the NAND circuit 113 · It can be seen that the NAND circuit 113 at this time from the head of 117 the signal value ^H 0 "by the head 100, the tape -Forward signal of signal value "1" and receives an input signal of signal value "1" from conductor 118 of open switch B-1 so that it provides an input signal of signal value "1" to NAND circuit 115. (It is assumed at this point in time that the NAND circuit 105 also receives signals with the signal value "1" at its two additional inputs).

the commanded tape movement does not take place, but then the lack of a signal from the tape movement sensor 101 is inverted by the inverting circuit 114 so that an input signal with the signal value ^H 1 "arrives at the time delay circuit 115 one second to prevent a false report via the conductor 117 a signal with the signal value "1" to the NAND circuit 113. Since now all logic signals present at the inputs of the NAND circuit 113 have the signal values "1", this appears at the output Switching the signal value "0", which arrives at an input of the NAND circuit 105 via the conductor 112, so that a signal with the signal value "1" is then delivered,

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which triggers the operation of the cassette sweeper 73. That way, a cassette that is jammed or in which there is no more unrecorded tape left in the cassette changer. The tape forward signal is passed on conductor 116 as well the time delay circuit 115 supplied so that this Delay circuit only when a .8and forward signal is present is working. In the absence of a tape forward signal the operation of the time delay circuit is disabled, thus preventing the occurrence of an incorrect Ejection signal is prevented under certain operating conditions.

The switch B-1 is closed as soon as a cartridge change cycle occurs, whereby a signal with the signal value "0" is applied to the input of the UAITD circuit 122, which previously only received signals with the signal value "1" at its inputs, so that a output signal "has been maintained. the occurrence of the signal value" with the signal value ¹¹ O 0 "from switch B-1 has the consequence that the FAND circuit 122 now a signal having the signal value at the output" 1 "indicating a two-fold purpose The signal with the signal value "1" is carried on the one hand via the conductor 123 to the actuation of the cassette change signal unit 124, which applies a certain LF tone or another signal to the dictation station, which indicates to the dictator that a cassette change is taking place not unintentionally dictated "into the air" at the moment of the absence of an inserted cassette for recording the dictation ng is now fed to an input of the NAND circuit 126 via the conductor 125. It can be seen that the two other inputs of the NAND circuit 126 also receive signal values "1", so that this NAND circuit 126 sends an output signal with the signal value "0" via the conductor 127

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UAND attitude 105 delivers. This signal supplied via the conductor 127 with the signal value ⁿ O ⁿ ^{maintains the signal value H} 1 ^W supplied to the cassette changer 73,. even if the signal value "0" on the conductor 112 disappears as soon as the tape forward signal is no longer fed to the NAND circuit 113.

It is now considered "another involuntary change case in which the remaining band sensor has detected 102 that only a predetermined minimum length of tape, such as a tape length for two more Naehrichtendiktierminuten in the inserted tape cartridge are left. The output from the remaining tape sensor 102 signal value ^W 1 ^M is the conductor 130 passed directly to the actuation of the end zone signal unit 131, which supplies the dictation station with a characteristic audio signal or some other signal which is preferably noticeably different from the signal supplied by the cassette change signal unit 124 and indicates to the dictator that he is approaching the end of the tape. For example, the signal supplied by the end zone signal unit 131 is a low intermittent beep, while the cassette change signal generated by the cassette change signal unit 124 is an interrupted tone with a characteristically greater volume The signal unit may be connected to the last cartridge switch 103 to generate a continuous tone when the last available cartridge is ejected.

The signal value "1" from the remaining tape sensor 102 is simultaneously applied to the time delay circuit 132 which, after the time has elapsed, delivers a signal with the signal value "1" which is sent by the inverter circuit 133 to apply the signal ^{value n} 0 ^tt to an input of the ITAND circuit 122 is negated. The time delay circuit 132 preferably has a sufficient amount of time out of time

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the beginning of the end zone signal so that the dictator is given sufficient time Continue dictation "to an appropriate stop before the cartridge change cycle" begins.

As mentioned above, the NAND circuit 122 receives a signal with the signal value "1" from the open switch B-1, and it receives a signal via the conductor 134 from the circuit for voluntary cartridge change regardless of the position of the selector switch 200 located therein Another input signal with the signal value ^fl 1 ^M. Consequently, the occurrence of "the Erzeugung- to the NAND circuit 122 according to the above-mentioned timing of an output signal with the signal value" causes an input signal with the signal value ¹ O 1 "by the NAND circuit 122, which, as mentioned above, the actuating the cassette change signal unit 124 triggers and which is also applied to the NAND circuit 126 and to the NAND circuit 105 via the conductor 125 for controlling the cassette changer 7 3.

The involuntary change of the inserted cassette thus takes place after a predetermined period of time, after the remaining tape sensor 102 indicates that only a certain length of tape is left without an actual one Activity on the part of the dictator is required.

The involuntary sequence of the cassette changer described above takes place as a function of the corresponding events as long as there is a supply of fresh cassettes left in the cassette carrier. If the cassette carrier is shifted so that the position carrying the last cassette is in line with the slot 65, the cassette carrier actuates the last cassette switch 103, so that the signal value "1" is applied to the conductor 135, which is one input of the NAIiD Circuit 136 forms. As can be seen from Pig "9, the switch B-2 is closed at this time but _s

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so that a signal with the signal ^{value W} 0 "reaches the NAND circuit 136 via the input conductor 137. The signal value ¹ M" is thus maintained at the blocking conductor 138, so that one of the logical conditions is applied to the NAND circuit 126 which is necessary for Port setting of the cartridge change cycle are required. The cartridge changing operation continues in the usual manner so that the last remaining cartridge is brought into operative engagement with the tape transport device as described above.

When the dictation on this last remaining cassette is finished and either voluntary or involuntary ejection of this cassette takes place, a signal with the signal value "1" is applied to conductor 137 as a result of the opening of switch B-2, which then takes place, when the cartridge is raised about halfway to the fully ejected position of FIG. The NAND circuit 136 now receives a signal with the signal value "1" via both conductors 135 and 137, so that the output signal of this NAND circuit changes to the signal value "0", one of the signal values "1" from the Inputs of the NAND gate 126 is removed, which ^{are necessary to maintain the signal value "0 M} on the conductor 127. Since none of the other input signals of the NAND circuit 105 has the signal value zero at this point in time, the one previously applied to the cassette changer 73 now disappears Signal with the signal value "1." The cassette changer thus stops, with the last cassette being raised approximately half the way up into the cassette container.

The signal with the signal value "1" from the cassette switch 103 is also connected to the NAND circuit via conductor 141 142 created. The NAND circuit 142 receives at this point in time via the conductor 143 from the now open Switch B-2 and via conductor 144 from the now closed

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A switch B-1 after an alloy in the inverter ^{circuit 145 signals with the signal value H} 1 ". The NAND circuit 142 thus emits the signal value" 0 "as an input signal to the NAND circuit 147 via the line 146. The other input signal the NAND circuit 147, which is fed via the conductor 148, has the signal value "1", which is derived from the signal value "0" obtained from the ejection auto switch 149 after a negation by the inverter circuit 150 e ^ Lbt. It becomes Assuming that the switch 149 is at this time in the "Auto" position, the NAND circuit 147 supplies a signal with the signal value 1 via the conductor 151 to the cassette loading signal unit 152, which is indicated by an indicator lamp or by a Another signal unit can be formed, which indicates that all available cassettes of the system have been used. The switch B-1 is closed at this point in time of the change cycle, so that at the input of the NAND circuit 122 the signal value " 0 "and the operation of the cassette change signal unit 124 can be maintained.

When the used cassettes in the cassette carrier are to be replaced with fresh cassette supplies the operator of the machine first sets the eject auto switch 149 to the "eject" position, whereupon as an input signal a signal with the signal value "1" arrives at the NAND circuit 157 via the conductor 156. The switch B-3 remains closed when the ejection of the last cassette is stopped by opening switch B-2, and that Output signal with the signal value "0" from the closed Switch B-3 is negated in inverter circuit 158, so that the signal value "1" reaches the other input of the NAND circuit 157. Thus appears on the input line 159 of the NAND gate 105, the signal value "0" which triggers the resumption of the operation of the cassette changer 73. As soon as switch B-3 opens, however, it can be seen that the cassette changer has stopped again; this is done in embodiment described here at the time

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at which the last cassette is now fully ejected is. The cassette carrier is now in the starting position by hand is moved back and a supply of fresh cassettes is used in place of the ejected cassettes. Of the Signal value "1" from the last cassette switch 103 disappears, so that the blocking condition is no longer on output conductor 138 of LAND circuit 136 is present. When the cartridge is loading has been terminated by the machine operator, the eject auto switch is returned to the position "Auto" is moved back and a "0" signal on conductor 156 to NAND circuit 157 enables the cassette changer together with the negated "1" signal from the switch B-3 to perform the cartridge loading portion of the cartridge changing cycle. This cycle is in the usual Way ended when switch B-3 closes, and the Switch B-1 opens when a cartridge is operatively engaged with the tape transport device.

It can also be seen that the ejector auto-holder 149 can be brought into the "discharge" position at any time can, when a cassette is inserted into the cassette changer, causing the machine to immediately load a cassette eject and end the cartridge change cycle once the cartridge has fully returned to the cartridge case.

With the exception of the ejecting of a cassette triggered by the eject auto switch, the various are heretofore described cartridge change processes either depending on a predetermined remaining tape length in of a cartridge or in response to the lack of commanded tape movement, and these two events are "involuntary" in that they are not the result of an intentional or voluntary activity on the part of the dictator that commands the cassette change. With the circuit 104 for voluntary cassette change, however,

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shows that a voluntary change of cassette can take place under the control of the dictator who typically at a location remote from the actual cassette changer 60. The circuit 104 for the voluntary Cassette change includes a three-position switch 200 that can be selected in each the positions 201, 202 and 203 can be brought. The switch position 201 is switched so that on conductor 134, der.den switch with one input of NAND circuit 122 connects, the signal value "1" is maintained. The two holder divisions 202 and 203 are each with a pulse circuit 204 or 205 connected, each of which there: in, if no input signal is applied to them the corresponding switch positions 202 and 203 apply a signal with the signal value "1". The pulse circuit 205 receives the busy signal with the signal value "1" via the conductor 37 (FIG. 5), and this steady "!" Signal on the pulse circuit 205 holds the above-mentioned signal value "1" on switch position 203 upright. The busy signal on the conductor 37 is negated in the inverter circuit 206 and fed to the NAND circuit 207. The other input signal of NAND holding 207 is the forward reset signal from conductor 38 (Pig. 5), which is in the inverter circuit 208 is negated. The pulse circuit 204 receives from the NAND circuit 207 a signal with the signal value "1", when the dictation machine is busy, i.e. busy and not in the forward reset mode.

As for the operation of circuit 104, the pail is where switch 200 is in the switch position 201 is set, has been considered above and it can be seen that the presence or absence of a Busy signal cannot affect the cassette changer. The circuit 104 is in the switch position 201 ineffective for voluntary cassette change. If switch 200 is moved to switch position 203, then

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the normally maintained signal value "1" changes at this switch position as described above does not change the cassette as long as the busy signal remains on conductor 37. As soon as the dictator pulls the hook switch 10a brings it to the hang-up position, which indicates that he has finished the dictation process, then loses the dictation station 10 the previous state of occupancy of the dictation system, and the signal value "1" of the busy signal disappears on conductor 37. The pulse circuit 205 then causes a brief pulse to be applied with the signal value "0" to switch position 203 and thus via conductor 134 to an input of the NAND circuit 122. It should be remembered that the presence of a signal value "0" at one of the inputs of the UAlTD circuit 122 has the consequence that this HAND circuit at the output the Emits signal value "1", which triggers the cartridge change cycle. Although the brief "0" signal from the pulse circuit 205 disappears before the cartridge changing cycle is completed, the switch B-1 gives an output signal the signal value "0" to the NAND circuit 122 so that the Cartridge changer operation continues for the duration of the entire cartridge changing cycle. It is recognizable, that the process of switching the dictation point into the hang-up state for immediate ejection of the previously entered Cassette and leads to the insertion of a new cassette, while the discussed cassette is in the cassette changer would remain if the switch position 201 had been selected.

In practice it often happens that the dictator part of the cassette tape after the completion of the Dictation of a message can run back and then part of this message in the forward listening mode so that he can recheck a portion of the message that has just ended. The dictator can do the Then switch the dictation point to the hang-up state after

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he has listened to so much of the recorded message that he is satisfied with its content. With switch 200 in switch position 203, the cassette would be immediately ejected from the cassette changer without being wound forward to where the dictated message actually ends; this misalignment of the cassette tape is confusing to the transcriptionist and can potentially result in the remainder of the dictated message being omitted from the transcription and erased. This problem is eliminated when an automatic or voluntary cassette change is maintained in that the switch 200 is brought into the switch position 202. The busy signal present on conductor 37 when the dictation machine is busy is negated in inverter circuit 206, so that a signal with the signal value M1 "results at the input of NAND circuit 207 negated so that a "1" signal is applied to the NAND circuit 207. Thus, a signal with the signal value "1" is passed to the pulse circuit 204 at this point in time, which is maintained at switch position 202 while the dictation system is still being used . assuming that a Discussed tape is rewound by the dictator partially, as described above, followed by the absence follows a busy signal as Eolge a Auflegezustands the Diktierstelle, now reset conductor forward appears at 38, a ¹ M "signal, as described above has been described. At this point in time, however, the NAND circuit 207 continues to receive input signals with the signal value “1” and with the signal value “0”, so that the signal value “1” is maintained at the switch position 202. If the tape has been fully rewound in the forward reset state to a point at which the time line ends, as described above, then the signal value "0" appears on the forward reset conductor, which is negated in the inverter circuit 208, so that the Input of the NAND circuit 207 results in the signal value "1". This

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The input signal is combined with the signal value ^W 1 ^tt corresponding to the negated absence of a busy signal, so that the pulse circuit 204 now has an input signal. receives with the signal value ⁿ 0 ^w. The pulse circuit 204 causes a brief ⁿ 0 ^w signal to be generated at switch position 202, which has the consequence that the cartridge change cycle is triggered as described above. Accordingly, it can be seen that the automatic voluntary cartridge change has taken place after the tape has been wrapped in the cassette until the end of the previously dictated message.

It can be seen that one works with cassettes Central dictation system of the type described above created * - can be opened without the possibility of recording a time line or other control signals is provided. If this is the case, then the circuit 104 can for Voluntary change can be provided to selectively control the change of cassette when the dictation point is switched to the hang-up state.

For the professional in designing inactive logical ones Control devices and control systems can be seen that the use of special logic conditions when opening or Closing certain switches as well as choosing certain logic components such as NAND circuits that respond to such logic conditions address is a matter of design choices and that other logic states accordingly the presence or absence of events in the implementation of the embodiments described herein as long as the operational requirements are met.

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2Λ04172

Dictate with priority

Dictation facility users often want to dictate a letter or other message that has the priority to that is, copied before previously dictated messages target. The correct handling of dictated messages that have been assigned a priority status was with conventional dictation systems and dictation machines and especially with conventional central dictation systems recording on an endless loop of tape is associated with difficulties. If the dictator is already has dictated several messages on an endless tape and now wants to dictate a message with Yorrang is to be copied, then the person copying must pass over the dictated material in between in order to obtain the Priority message contained on the endless tape reached. After the priority message is written off has been, the transcribing person must rewind the tape to transcribe the previously skipped messages. This process is not only time consuming, but there is actually the possibility that the bypassed non-priority messages are inadvertently deleted by a subsequent message dictation, before copying can take place

The arrangement described here is a central dictation system in which a dictation station is on a priority basis if the dictator chooses, a second central dictation system can be made available. As you can see the system can be designed, for example, so that the dictation station normally with a conventional, with a central dictation system operating on an endless belt for receiving non-incoming messages. in the In the case of a priority message can, but also if the not "/ © rzmigige recording device already from the Dik-

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animal point is occupied, a switch must be operated to enable the occupancy of the non-priority Recording device caused by the dictation station and the occupancy of an available priority dictation device. It can be seen that a central dictation system of the type described here working with cassettes can be opened particularly suitable as a priority dictation device in such a system, since the one containing a priority message Cassette can be used immediately for copying out of sequence.

In fif ;. 8 is an example of a priority dictation system according to the invention shown, in which one with a conventional four-core sound and control line 301 with Using a switch 302 in a selected manner either with a regular central dictation device 303 or with a Priority Central Dictation Machine 304 can be connected. The circuit of the embodiment described here is chosen so that the regular dictation machine 303, which is typically a conventional one with an endless loop of tape operating dictation-transcribing equipment of the type known in the art, normally via the switch is connected so that it is available for occupancy by the dictation station 300. The priority dictation machine 304, which can be a cassette dictation machine of the type described above is in this way with the dictation station for an occupancy instead of the regular dictation device 303 only when the dictation station assigned to the dictation station is actuated briefly Override dictation switch 305 available. The conductor 306 feeds an operating circuit from the priority dictation device 304 Coil of switch 302, and via this conductor and conductor 307, a control input signal also arrives Priority selection circuit. For the purposes of the embodiment of the priority dictation system described here, the head an operating signal with a voltage of - 24 V, which is supplied by the priority dictation device 304 and the signal

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nal value "O" should represent. The conductor 308 is connected to the occupancy or occupancy circuit of the priority dictation device 304. A signal with the signal ^{value 1} M "is maintained on this conductor 308 when the priority dictation machine is available for occupancy; on the other hand, a signal with the signal value" 0 "is maintained when the priority dictation machine" is occupied or not available for other reasons for occupancy is.

The priority dialing circuit in the dictation station 300 contains a light emitting diode 312 (LED) a conventional diode 313 and a resistor 314, all of these components in series parallel to the priority selector switch 305 and to another conventional diode 315. This override circuit is via two conductors 316 and 317 connected to a flip-flop circuit 318 which contains two NAND circuits 319 and 320. At the clamp 324, a bias voltage of -5 V, for example, is applied to conductor 316, with diode 325 being the NAND circuit from the negative present on flip-flop circuit 318 Disconnects tension. As can be seen, the flip-flop circuit 318 on conductor 316 holds the signal value "0" and on conductor 317 the signal value "1" upright when the priority selector switch 305 is open and when the Switch 302 is in a position in which the regular dictation device 303 is connected to the dictation station. Of the The above-mentioned logic state of the flip-flop circuit 318 is, however, after a selection and assignment of the priority dictation device 304 reversed by the dictation station 300.

When the dictation machine 300 is put into an off-hook state, the regular dictation machine 303 in FIG usually occupied when such a device is available for occupancy. NAND circuit 326 receives at this point via conductor 327 from the -5V source

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the signal ^{value n} O ⁿ , so that the ITAND circuit 329 is fed an input signal with the signal value "1" via the conductor 328. The other input of the NAND circuit 329 receives the signal value "1", so that the NAND Sehaltung 329 to the relay driver 330 is a ^M O ⁿ signal for holding the switch 302 in the in Fig. 8 shown disconnected from the conductor 317 at this time Position feeds, whereby the regular dictation device 303 is connected to the dictation station 300.

If a connection to the priority dictation device 304 is desired after the regular dictation device 303 has been occupied, the priority selection switch 305 is closed so that the signal value "I" to the NAND circuit 326 via the conductor 317, the diode 315, the conductor 316 and the conductor 327 can get. If the priority dictation device 304 is available for an occupancy at this point in time, the signal value "1" present on conductor 308 and the signal ^{value n} 0 ⁿ present on conductor 307, which is negated in inverter circuit 330, cause the output of a signal with the signal value "1" from the NAND circuit 331 via the conductor 332 to the other input of the NAND circuit 326. The output signal of the NAND circuit 326 changes to the signal value "O" at this point in time, which causes the NAND circuit 329 to come in To deliver an output signal with the signal value "1" to the Eelaistreiber 330. The switch 302 is energized so that the priority dictation device 304 is connected to the dictation station 300 instead of the regular dictation device 303.

The "O ⁿ state on the conductor 328 is sent via the conductor 336 negated in the inverter circuit 337 and a signal having the signal value" ball 1 "via the diode 338 so that an input signal to the NAND circuit reaches 339 and a charge on the capacitor 340 is given, which is otherwise on a bias voltage of, for example - 5 V

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is held. As soon as the priority dictation device is occupied by the dictation station 300 "after being connected by the switch 302, the signal ^{value" 1 "previously present on the conductor 308 is changed to the signal value M} 0", so that the output signal of the AND circuit 331 has the signal value ^M 0 "assumes" The ⁿ O "signal at the output of the AND circuit 331 reaches an input of the NAND circuit 341, and it is inverted in the inverter circuit 342 so that the signal value" 1 "is created. The occurrence of the signal value "0" on the conductor 332 results in the disappearance of the "O" signal on the conductor 328, so that the signal with the signal value "1" at the output of the inverter circuit 337 also disappears. However, the capacitor 340 maintains the "1" condition at the input of the NAND circuit 339 for a sufficient period of time so that this NAND circuit can supply an input signal with the signal value "0" for the first time via the conductor of the NAND circuit 319. The NAND circuit 319 thus outputs a “1” signal ah to the conductor 316, which signal is fed back to the NAND circuit 341 via the conductor 344 as an input signal. The other input of the NAND circuit 341 receives an ¹¹ 0 "signal at this point in time, so that the NAND circuit 320 receives input signals which cause a signal with the signal value" 0 "" to appear on conductor 317. It can therefore be seen that a priority assignment of the priority dictation device 304 results in the reversal of the logic state of the flip-flop circuit 318, which was previously maintained on this circuit. The reversal of the logic state of the flip-flop circuit 318, which is dependent on the priority assignment, allows a current to flow through the dictation point circuit with the resistor 314, the light-emitting diode 312 and the diode 313, so that the from the FlJp-flop circuit Recorded occupancy of the priority dictation machine

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304 is indicated by the lighting of the light emitting diode.

When the dictation of a priority message "has ended, the dictation station 300 is put on-hook so that the priority dictation device 304 is no longer occupied in the usual manner. This cancellation of the occupancy is reported by the signal value" 1 "reappearing on conductor 308 , whereupon the HAND circuit 341 receives a signal with the signal value "1" from the IJIiD circuit 331 and via the conductor 344 from the NAND circuit 319. The output signal of the NAND circuit 320 again assumes the signal value "1", which is fed back to the input of the NAND circuit 319 via the conductor 345. The signal value "1" is also present at the other input of the NAND circuit 319 at this point in time, so that the signal value "0" appears again on the conductor 316. This reversal of the state of the J ¹ Up-3? lop circuit 318 to the original logic state has the consequence that the input signal of the relay driver 330 assumes the signal value "0" again, so that the switch 302 again d The regular dictation device 303 can be connected to the dictation station for subsequent assignment when an off-hook condition occurs. The priority circuit has been completely reset at this point in time, which is indicated by the lack of light emission by the light-emitting diode 312.

If the priority dictation machine 304 when closing the priority selector 305 is not available, the signal value "0" on conductor 332 prevents priority switching of switch 302. Accordingly, it is in systems in which several dictation stations for a possible connection with the Priority dictation device 304 are available, it is not possible for a dictation station to be connected to an already occupied priority dictation device is connected.

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When the priority selector switch 305 is closed while the dictation station 300 is on-hook, what can happen unintentionally, then the switch 302 is operated in the manner described above so that that it connects the dictation station to the priority dictation device 304. The hang-up status of the dictation station However, 300 prevents the priority dictation machine from being used 304, so that the switch 302 maintains the priority connection only as long as the priority selector switch 305 remains closed. Since the priority selector switch 305 is advantageously only used for a short time key switch to be closed is formed, the priority dictation machine cannot inadvertently connect be held with a dictation point that is on-hook.

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Claims

\\ J Dictation arrangement with a mounting device for receiving a plurality of recording units, a message converter device and a displacement device which brings one of the recording units in the mounting device into a message recording relationship with the message converter device in a selected manner and which moreover selectively supports this one as a function of an alternating recording signal Takes the recording unit out of the message recording relationship and for this purpose brings a further i emits a first control signal, and a circuit arrangement which outputs the recording change signal to the displacement device as a function of this first control signal.

2. Arrangement according to claim 1, characterized in that the circuit arrangement contains time control devices, which is the recording change signal as a function of the first control signal to output a predetermined amount of time after the time at which the first control signal is displayed begins that there is still a predetermined recording unit on & r in the message recording relationship Message recording capacity is left.

3. Arrangement according to claim?, Characterized in that the timing devices the recording change signal

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after a predetermined period of time which is less than the message recording time on the predetermined remaining message recording capacity is still available.

4i arrangement according to claim 2, characterized by a Reporting device which, depending on the presence of the first control signal, emits a warning signal that begins when the first control signal indicates that there is only the predetermined message recording capacity left.

5. Arrangement according to claim 4, characterized in that the reporting device has a first signaling device is that emits a first warning signal, and that the notification device additionally contains end signal devices, which depending on the recording change provide a second warning signal indicating that there is no recording unit is arranged to receive a dictation, the second warning signal being distinct from the first warning signal is different, and that devices are provided which are dependent on the use of a further recording unit end the activity of the end signaling devices.

6. Anrodiaung according to claim 1, characterized in that the scanning devices contain a first sensing device and a second sensing device, the second sensing device delivering a second control signal in response to the absence of a selected movement of the attached recording unit with respect to the message converter device, and that changeover control devices are provided which rschiebungseinrichtungen in response to the first control signal or the second control signal to the V _e proposed for the recording alternating signal.

7. Arrangement according to claim 1, characterized by an occupancy sight for the optional delivery of an occupancy

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signals depending on one between the message recorder and a dictation recording connection established, termination signal arrangements, which are connected so that they respond to the occupancy signal and depending on the termination of a previously provide a termination signal and termination circuitry to the established dictation recording connection Output of the recording change signal to the shifting devices as a function of the termination signal.

8. Arrangement according to claim 7, characterized by forward reset devices, which selectively have a forward reset signal state when the relative position of the attached recording unit and the Conversely, message converter device is at a distance from a relative position of maximum movement that was previously has been achieved for the dictation recording, control devices that depending on the termination signal the Resetting the relative movement of the attached recording unit trigger in the forward direction against the maximum movement position and depending on the Termination of the forward reset signal received from the forward resets is supplied, the reset relative movement when reaching the position of the previously achieved End maximum movement, with the termination circuitry depending on the end of the forward reset signal, the alternate recording signal in response on reaching the maximum movement position.

9. dictation system with a device according to claim 1 and with a dictation station attached remotely from the dictation device, connected to the dictation machine for optional assignment and recording of dictated messages is characterized by switching devices that are assigned to the remote dictation station and are in

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are selectively operable to a voltage A is applied to the _u fzeichnungswechselsignal displacement devices.

10. dictation system according to claim 9, characterized by a warning signal device which emits a warning signal in response to the first control signal at the dictation station, indicating that in the attached recording unit there is only a predetermined message recording capacity left.

11. Plant according to claim 10, characterized in that the warning signal device is a first warning signal device for outputting a first warning signal, which additionally has a second warning signal device is present which, depending on the recording change signal, a second warning signal at the dictation station, indicating that no recording unit is attached to receive a dictation is, wherein the second warning signal is substantially different from the first warning signal, and that a device is provided which terminates the second warning signal in response to the insertion of a further recording unit.

12. Skin recorder for optional recording of regular messages or of messages with priority, with a message dictation point, a recorder? device for regular messages that can optionally be used to record and then record dictated messages from the dictation station is operable, a recording device for messages with priority, that is for seizing and then recording dictated messages from the dictation station is operable to the dictation station, the recorder for regular messages and the recorder for Messages with priority connected switching devices, which are dependent on a first SehaltSignalbedbedingungen assume a first state that the dictation point only

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communicates with the regular message recorder, and that in selected Way also assumes a second state depending on a second stop signal condition, who only brings the dictation station into an operational connection with the recording device for messages with priority, characterized by control switching devices associated with the dictation station and optionally a priority signal condition generate the desired actuation of the switching devices to accept the second condition and control circuitry associated with the Tax holding devices is connected so that to the Sehalteinrichtungen the second switching signal condition in Depending on the priority signal condition, the control circuitry depending on the termination of the occupancy of the recording device for messages with priority the first switching signal condition delivers to the holding facilities.

13. Apparatus according to claim 12, characterized in that the labeling device for messages with priority has a status circuit that generates an availability signal condition when this recorder is for an occupancy is available and generates a busy signal condition when this recorder is not available for an occupancy it is available that the control circuitry includes hold circuit devices that are responsive to the simultaneous presence of a busy signal condition on the status circuit and one of the control hold devices delivered priority signal condition to the switching devices delivers a hold signal condition which the switching devices independent of the following Hold termination of the priority signal condition from the control switching devices in the second state, and that the Hold circuit means in response to the termination of the busy signal condition and the occurrence of the

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2 4 O A 1 7 22 4 O A 1 7 2

Availability signar condition the hold signal all condition of the stop facilities "exit.

14. G © advises according to claim 13, characterized by a The reporting device assigned to the dictation station, which delivers a signal in response to the hold signal condition, which shows the priority assignment of the recording device for messages with priority.

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