EP1103162B1 - Infrared helmet - Google Patents
Infrared helmet Download PDFInfo
- Publication number
- EP1103162B1 EP1103162B1 EP99932600A EP99932600A EP1103162B1 EP 1103162 B1 EP1103162 B1 EP 1103162B1 EP 99932600 A EP99932600 A EP 99932600A EP 99932600 A EP99932600 A EP 99932600A EP 1103162 B1 EP1103162 B1 EP 1103162B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- head set
- infrared
- switch
- sound
- strap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
Definitions
- the present invention relates to an infrared headphone according to the preamble of claim 1.
- an infrared headphone which consists of two playback transducers connected to one another via a chin guard, an electrical circuit that receives infrared signals and converts them into audio signals, and two microphones with downstream microphone amplifiers.
- the circuit of this infrared headphone is such that the playback transducers can be supplied with the signals derived from the infrared circuit or the microphone amplifiers either individually or in combination.
- the microphones are arranged at a distance from one another on the chin guard in such a way that they are symmetrical with respect to the media plane of the head of a user, the signals derived from the microphones being supplied in phase opposition to the other microphone amplifier in the same ratio.
- infrared headphones are usually in operative connection with a transmitter that converts the emitted sound signals, for example from a television or a hi-fi system, into invisible infrared rays, and emits them into the room where they are received by the infrared headphones which can provide wireless infrared sound transmission. It makes sense to have such a transmitter at the same time as a charging station for the infrared receiver and for at least one battery insert, which is used in the charged state to operate the infrared headphones.
- the publication WO 95/35011 A discloses an infrared headphone as a chin guard receiver educated.
- These infrared headphones essentially consist of a basic housing made of two temple ends, each with one end arranged Small speaker. The two temple ends are stored in the basic housing, whereby those each in connection with a spring element acting in the area of the bearing are spreadable, making a pleasant ear attachment via these spring elements the small speaker can be accomplished.
- the commissioning and decommissioning is with this headphone by means of a manually operated switch performed.
- GB 2 304 488 A and FR 2 280 283 A also disclose cable-free Headphones with which the expandable headband is also a pleasant one Enable ear attachment and in which an on / off switch is integrated whose on / off actuation is dependent on the bow spread, which makes manual There is no need to operate the switch.
- the invention as characterized in the claims, is the object based on the ease of use of an infrared headphone of the type mentioned at the beginning, the acceptance and availability of such a device to increase.
- an infrared headset which is also called chin strap receiver, receives this over the invisible infrared beam the sound signals, which in the chin guard receiver via small loudspeakers attached to the two ends of brackets amplified and passed on to the ears.
- the temple ends connected to the basic housing each of which is equipped with a small loudspeaker at the end, and together form a chin guard receiver, be designed to be resiliently spreadable in at least one level by a mounted guide.
- a pleasant ear-side attachment of the small loudspeakers is achieved, on the other hand, this controlled spreading leads to an automatic activation of the chin guard receiver by the spreading being in operative connection with a switch which is preferably placed in the basic housing.
- this arrangement according to the invention makes wearing the chin strap receiver in active connection with the The arrangement of the small speakers is pleasantly designed, because unpleasant pressure points on the ears cannot arise. If the chin guard receiver is put down, it switches off automatically.
- the user determines that the chin guard receiver has switched on automatically. This on / off philosophy also protects the battery charge and the previously set volume is retained when you put it back on.
- the recipient is informed by the user a combined on / off switch and volume control.
- the volume control is always turned to zero.
- the volume control is always turned to zero.
- the Reuse is then determined that the battery energy or The battery is empty and the device is no longer immediately operational the user must switch to the appropriate volume after each switch-on adjust again.
- Another circuit according to the invention in the chin guard receiver ensures that that an automatic switch-off of the receiver intervenes when the reception quality falls below a certain quality tolerance limit. This means, that the wearer will instinctively always take the receiving position which the transmission allows on the basis of the specified quality control. Therefore, the chin guard receiver is outside the transmission range or will If the infrared beam is disturbed, the chin guard receiver switches off the disturbed sound transmission off, but switches on again immediately as soon as the reception by turning the wearer towards the transmitter again stands perfectly so the wearer is no longer annoying and uncomfortable Disadvantages sound disturbances, sound disturbances these which basically can massively reduce the acceptance of a chin guard receiver.
- the infrared transmission beams are only switched on as long as a television program or music is received. If the sound emitting device is switched off, switch off the infrared transmission beams after a few minutes.
- Fig. 1 the chin guard receiver is shown in use on users the basic housing 20a-c of the chin guard receiver is shown here as well as the placed small speaker 21 outlined.
- Fig. 2 the front 20a of the chin guard receiver is shown again.
- the chin guard receiver is worn in such a way that this front side 20a must always be directed towards the transmitter.
- This front side 20a is usually provided with a clearly visible inscription, which offers the wearer reliable help in correctly fitting the chin guard receiver.
- the basic housing On the underside, the basic housing has an opening 28 into which an operational battery insert E is inserted.
- the geometrical design of the battery insert E is such that there is only one way to insert the battery insert E correctly and completely into the chin guard receiver.
- the rear of the chin strap receiver is shown with item 20b. Sound transmission settings 25 and 26 are integrated therein.
- Item 20c represents the top of the chin guard receiver.
- a volume control 23 which is provided with an adjustable volume gradation identified by numbers, a marking 24 indicating the gradation set. This means that the user can always selectively control his or her pleasant volume.
- This volume adjustment on the top of the chin guard receiver is very easy to use.
- the volume control 23 is located on the right-hand side when viewed from the wearer.
- Item 27 identifies the two bracket ends, which are mounted in the basic housing 20a-c in a resiliently expandable manner and are in operative connection with a switch shown in more detail in FIG. 3.
- This switch responds to the spread position of the temple ends 27 by activating the receiver circuit. This remains on reception as long as the chin guard receiver is worn. When the same is put down, the bow ends 27 spring into a rest position in which the switch goes to "off".
- the temple ends 27 each carry a small loudspeaker 21 via skin-friendly padding 22, which are placed at the ear canal inputs and ensure perfect reception. The padding also serves to keep the small speaker 21 and its opening clean.
- a circuit in the chin guard receiver ensures that the reception is automatically switched off whenever the reception quality falls below a certain quality tolerance limit. This means that the wearer instinctively turns to the receiving position that allows the transmission based on the specified quality control. Accordingly, if the chin guard receiver is outside the transmission range or if the infrared beam is deflected, partially absorbed or disturbed, the chin guard receiver immediately switches off the disturbed sound transmission, but then immediately switches it on again as soon as the quality of the sound management built into the chin guard receiver is switched on again is allowed. Thus, the wearer is no longer confronted by annoying and unpleasant sound disturbances when wearing the chin strap receiver.
- FIG. 3 shows the switching on / off of the reception of the chin guard receiver, which has already been briefly explained above, as a function of the position of the bow ends 27. whose positioning is made possible by an appropriately attached spring 9.
- This spring 9 is held between a stop plate 8 and the side plane of the electronic circuit board 14, this stop plate 8 being part of the shift lever 6.
- a further stop plate 8a which lies in the same plane with the stop surface of the stop plate 8 already mentioned on the shift lever 6, and this with the lateral border 13 of the basic housing serves as a limit for the sprung rotary movement 12, i.e. the spread position, in the plane of the bracket ends 27 is fixed.
- the shift lever 6 is equipped with a corresponding lever action at the upper end of the basic housing so that it can rotate 10.
- the bracket ends 27 When the bracket ends 27 are at rest, the two stop plates 8, 8a are pressed against one another by the spring 9. Due to the spreading position 12, the temple ends 27 assume a new position 27a, which forms the carrying position of the chin guard receiver.
- the spring 9 is slightly compressed in such a way that the lower end of the switching lever 6 makes contact with the switch 5.
- the electronic circuit board 14 which is in operative connection with the switch 5 switches on immediately upon receipt as soon as the switch 5 is activated by the resilient rotary movement 12 of the bracket ends 27. In the rest position of the temple ends 27, reception is switched off.
- the bracket ends 27 each have a spring 9 and corresponding stop plates, so that an advantageous symmetrical suspension can be achieved.
- the headphones described here are in operation for obvious reasons been focused with infrared signals. This is not meant to exclude in any way remain that these headphones are of course also for reception and Implementation of other wireless signals, for example radio signals, for Use can come. Only the specific electronic components vary then from case to case: on the basic structure of the described according to the invention Headphones, however, do not change these signal-related adjustments.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Headphones And Earphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Infrarot-Kopfhörer gemäss Oberbegriff
des Anspruchs 1.The present invention relates to an infrared headphone according to the preamble
of
Aus DE-33 25 031 C2 ist ein Infrarot-Kopfhörer bekanntgeworden, welcher aus
zwei über einen Kinnbügel miteinander verbundenen Wiedergabewandlern, aus
einer Infrarot-Signale aufnehmenden und in Audio-Signale umwandelnden elektrischen
Schaltung sowie aus zwei Mikrofonen mit nachgeordneten Mikrofonverstärkern
besteht. Die Schaltung dieses Infrarot-Kopfhörers ist so gehalten, dass den
Wiedergabewandlern wahlweise die jeweils von der Infrarot-Schaltung bzw. den
Mikrofonverstärkern abgeleiteten Signalen einzeln oder in Kombination zugeführt
werden. Dabei sind die Mikrofone mit einem Abstand voneinander am Kinnbügel
derart angeordnet, dass sie sich symmetrisch zur Mediaebene des Kopfes eines
Benützers befinden, wobei die von den Mikrofonen abgeleiteten Signale gegenphasig
in gleichem Verhältnis dem jeweils anderen Mikrofonverstärker zugeführt
werden.
Dieser Infrarot-Kopfhörer steht dabei üblicherweise in Wirkverbindung mit einem
Sender, der die emittierten Tonsignale, beispielsweise aus einem Fernseher oder
aus einer HiFi-Anlage, in unsichtbare Infrarot-Strahlen umwandelt, und diese in
den Raum abstrahlt, wo sie vom Infrarot-Kopfhörer empfangen werden, womit eine
drahtlose Infrarot-Tonübertragung bereitgestellt werden kann. Sinnvollerweise
ist ein solcher Sender zugleich Ladestation für den Infrarot-Empfänger und für
mindestens einen Akku-Einsatz, der im aufgeladenen Zustand zum Betrieb des
Infrarot-Kopfhörers eingesetzt wird.From DE-33 25 031 C2 an infrared headphone has become known, which consists of two playback transducers connected to one another via a chin guard, an electrical circuit that receives infrared signals and converts them into audio signals, and two microphones with downstream microphone amplifiers. The circuit of this infrared headphone is such that the playback transducers can be supplied with the signals derived from the infrared circuit or the microphone amplifiers either individually or in combination. The microphones are arranged at a distance from one another on the chin guard in such a way that they are symmetrical with respect to the media plane of the head of a user, the signals derived from the microphones being supplied in phase opposition to the other microphone amplifier in the same ratio.
These infrared headphones are usually in operative connection with a transmitter that converts the emitted sound signals, for example from a television or a hi-fi system, into invisible infrared rays, and emits them into the room where they are received by the infrared headphones which can provide wireless infrared sound transmission. It makes sense to have such a transmitter at the same time as a charging station for the infrared receiver and for at least one battery insert, which is used in the charged state to operate the infrared headphones.
Die Druckschrift WO 95/35011 A offenbart einen Infrarot-Kopfhörer als Kinnbügelempfänger ausgebildet. Dieser Infrarot-Kopfhörer besteht im wesentlichen aus einem Grundgehäuses aus zwei Bügelenden mit je einem endseitig angeordneten Kleinlautsprecher. Die beiden Bügelenden sind im Grundgehäuse gelagert, wobei jene jeweils in Verbindung mit einem im Bereich der Lagerung wirkenden Federelement spreizbar sind, womit über diese Federlemente eine angenehme Ohransetzung der Kleinlautsprecher bewerkstelligt werden kann. Die In- und Ausserbetriebssetzung wird bei diesem Kopfhörer mittels eines handbetätigbaren Schalters vorgenommen.The publication WO 95/35011 A discloses an infrared headphone as a chin guard receiver educated. These infrared headphones essentially consist of a basic housing made of two temple ends, each with one end arranged Small speaker. The two temple ends are stored in the basic housing, whereby those each in connection with a spring element acting in the area of the bearing are spreadable, making a pleasant ear attachment via these spring elements the small speaker can be accomplished. The commissioning and decommissioning is with this headphone by means of a manually operated switch performed.
Die Druckschriften GB 2 304 488 A und FR 2 280 283 A offenbaren ebenfalls kabelfreie Kopfhörer, bei welchen die spreizbaren Kopfbügel ebenfalls eine angenehme Ohransetzung ermöglichen und in welche ein Ein-/Aus-Schalter integriert ist, dessen Ein-/Aus-Betätigung bügelspreizabhängig ist, womit sich eine manuelle Betätigung des Schalters erübrigt.GB 2 304 488 A and FR 2 280 283 A also disclose cable-free Headphones with which the expandable headband is also a pleasant one Enable ear attachment and in which an on / off switch is integrated whose on / off actuation is dependent on the bow spread, which makes manual There is no need to operate the switch.
Der Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, liegt die Aufgabe zugrunde, bei einem Infrarot-Kopfhörer der eingangs genannten Art die Bedienungsfreundlichkeit, die Akzeptanz und die Verfügbarkeit eines solchen Gerätes zu erhöhen.The invention, as characterized in the claims, is the object based on the ease of use of an infrared headphone of the type mentioned at the beginning, the acceptance and availability of such a device to increase.
Bei einem Infrarot-Kopfhörer, der auch Kinnbügelempfänger genannt wird, empfängt dieser über den unsichtbaren Infrarotstrahl die Tonsignale, welche im Kinnbügelempfänger über an den beiden Enden von Bügeln angebrachte Kleinlautsprecher verstärkt und an die Ohren weitergeleitet wird.With an infrared headset, which is also called chin strap receiver, receives this over the invisible infrared beam the sound signals, which in the chin guard receiver via small loudspeakers attached to the two ends of brackets amplified and passed on to the ears.
Erfindungsgemäss wird vorgeschlagen, die mit dem Grundgehäuse verbundenen
Bügelenden, welche endseitig mit je einem Kleinlautsprecher bestückt sind, und
zusammen einen Kinnbügelempfänger bilden, in mindestens einer Ebene durch
eine gelagerte Führung federnd spreizbar zu gestalten. Damit wird einerseits eine
angenehme ohrseitige Ansetzung der Kleinlautsprecher erreicht, andererseits
führt diese kontrollierte Spreizung zu einer automatischen Einschaltung des Kinnbügelempfängers,
indem die Spreizung in Wirkverbindung mit einem vorzugsweise
im Grundgehäuse plazierten Schalter steht Ferner wird durch diese erfindungsgemässe
Vorkehrung das Tragen des Kinnbügelempfängers in Wirkverbindung
mit der Anordnung der Kleinlautsprecher angenehm gestaltet, indem unangenehme
Druckstellen auf die Ohrenpartien gar nicht entstehen können.
Wird der Kinnbügelempfänger abgelegt, so schaltet sich dieser automatisch aus.
Für den Träger heisst dies, dass die Ansetzung durch Umfassen der beiden
Kleinlautsprecher an beiden Bügelenden geschieht, und durch eine kontrollierte
Spreizung der beiden Bügelenden voneinander werden die Kleinlautsprecher an
den Ohrkanaleingängen gesetzt. Nach dieser Operation stellt der Benützer fest,
dass sich der Kinnbügelempfänger automatisch eingeschaltet hat. Diese
Ein/Ausschaltung-Philosophie schont darüber hinaus die Akkuladung und die zuvor
eingestellte Lautstärke bleibt beim Wieder-Aufsetzen erhalten.According to the invention, it is proposed that the temple ends connected to the basic housing, each of which is equipped with a small loudspeaker at the end, and together form a chin guard receiver, be designed to be resiliently spreadable in at least one level by a mounted guide. On the one hand, a pleasant ear-side attachment of the small loudspeakers is achieved, on the other hand, this controlled spreading leads to an automatic activation of the chin guard receiver by the spreading being in operative connection with a switch which is preferably placed in the basic housing.Furthermore, this arrangement according to the invention makes wearing the chin strap receiver in active connection with the The arrangement of the small speakers is pleasantly designed, because unpleasant pressure points on the ears cannot arise.
If the chin guard receiver is put down, it switches off automatically. For the wearer, this means that the attachment takes place by embracing the two small loudspeakers at both temple ends, and by means of a controlled spreading of the two temple ends from one another, the small loudspeakers are placed at the ear canal inputs. After this operation, the user determines that the chin guard receiver has switched on automatically. This on / off philosophy also protects the battery charge and the previously set volume is retained when you put it back on.
Bei ähnlichen existierenden Produkten wird der Empfänger vom Benützer mittels eines kombinierten Ein-/Ausschalters und Lautstärkereglers geschaltet. Beim Ausschalten wird der Lautstärkeregler immer auf Null gedreht. Insbesondere bei schwerhörigen Benützem, für welche sich das Gerät besonders gut eignet, wird nach dem Weglegen des Empfängers oft vergessen, diesen auszuschalten. Beim Wiederbenützen wird dann festgestellt, dass die Akkumulatorenenergie oder die Batterie leer ist, und das Gerät nicht mehr unmittelbar betriebsbereit ist Ausserdem muss der Benützer nach jedem Einschalten die für ihn angemessene Lautstärke wieder einregeln. Diese Nachteile werden mit dem erfindungsgemässen Gegenstand behoben.In the case of similar existing products, the recipient is informed by the user a combined on / off switch and volume control. At the When switched off, the volume control is always turned to zero. Especially at hearing impaired users, for whom the device is particularly well suited after putting the receiver away, often forget to switch it off. At the Reuse is then determined that the battery energy or The battery is empty and the device is no longer immediately operational the user must switch to the appropriate volume after each switch-on adjust again. These disadvantages are solved with the inventive Fixed item.
Eine weitere erfindungsgemässe Schaltung im Kinnbügelempfänger sorgt dafür, dass eine automatische Ausschaltung des Empfängers eingreift, wenn die Empfangsqualität eine bestimmte Gütetoleranzgrenze unterschreitet. Dies bedeutet, dass der Träger instintiv immer jene Empfangsposition einnehmen wird, welche die Uebermittlung aufgrund der vorgegebenen Gütekontrolle zulässt. Demnach, befindet sich der Kinnbügelempfänger ausserhalb des Sendebereichs oder wird der Infrarotstrahl gestört, schaltet der Kinnbügelempfänger die gestörte Tonübertragung aus, schaltet indessen aber augenblicklich wieder ein, sobald der Empfang durch eine entsprechende Hinwendung des Trägers Richtung Sender wieder einwandfrei steht Somit wird der Träger nicht mehr durch lästige und unangenehme Tonstörungen benachteiligt, Tonstörungen diese, welche im Grunde genommen die Akzeptanz eines Kinnbügelempfängers massiv herabmindern können.Another circuit according to the invention in the chin guard receiver ensures that that an automatic switch-off of the receiver intervenes when the reception quality falls below a certain quality tolerance limit. This means, that the wearer will instinctively always take the receiving position which the transmission allows on the basis of the specified quality control. Therefore, the chin guard receiver is outside the transmission range or will If the infrared beam is disturbed, the chin guard receiver switches off the disturbed sound transmission off, but switches on again immediately as soon as the reception by turning the wearer towards the transmitter again stands perfectly so the wearer is no longer annoying and uncomfortable Disadvantages sound disturbances, sound disturbances these which basically can massively reduce the acceptance of a chin guard receiver.
Die Infrarot-Sendestrahlen sind nur solange eingeschaltet, als ein Fersehprogramm oder Musik empfangen wird. Wird das tonemittierende Gerät ausgeschaltet, schalten nach wenigen Minuten die Infrarot-Sendestrahlen ab.The infrared transmission beams are only switched on as long as a television program or music is received. If the sound emitting device is switched off, switch off the infrared transmission beams after a few minutes.
Mit einem gut pazierten und gut bedienbaren Schalter im nicht näher gezeigten Sender besteht jederzeit die Möglichkeit, bei der Tonübertragung zwischen der Mono- oder Stereo-Uebertragung zu wählen.With a well placed and easy to use switch in the not shown There is always the possibility for the transmitter to transmit sound between the Select mono or stereo transmission.
Vorteilhafte und zweckmässige Weiterbildungen der erfindungsgemässen Aufgabenlösung sind in den weiteren Ansprüchen gekennzeichnet.Advantageous and expedient developments of the task solution according to the invention are characterized in the further claims.
Im folgenden wird anhand der Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert. Alle für das unmittelbare Verständnis der Erfindung unwesentlichen Merkmale sind fortgelassen worden. Gleiche Merkmale sind in den verschiedenen Figuren mit den gleichen Bezugszeichen versehen. In the following, an embodiment of the invention will be described with reference to the drawings explained in more detail. All of which are not essential for the immediate understanding of the invention Features have been left out. The same features are in the different figures with the same reference numerals.
Es zeigt
Die folgende Beschreibung wird positionsorientiert verfasst, wobei dieser Beschreibung die oben aufgeführten Zeichnungen zugrundegelegt werden.The following description is written position-oriented, with this description the drawings listed above are used.
In Fig. 1 wird der Kinnbügelempfänger im Einsatz auf Benützer gezeigt Dabei
wird hier das Grundgehäuse 20a-c des Kinnbügelempfängers gezeigt sowie die
plazierten Kleinlautsprecher 21 dargelegt.In Fig. 1 the chin guard receiver is shown in use on users
the
In Fig. 2 wird nochmals die Frontseite 20a des Kinnbügelempfängers gezeigt.
Getragen wird der Kinnbügelempfänger so, dass diese Frontseite 20a immer in
Richtung des Senders gerichtet sein muss. Diese Frontseite 20a wird üblicherweise
mit einer gut sichtbaren Aufschrift versehen, welche dem Träger eine sichere
Hilfe beim richtigen Aufsetzen des Kinnbügelempfängers bietet.
Unterseitig weist das Grundgehäuse eine Oeffnung 28 auf, in welche ein betriebsmässiger
Akku-Einsatz E eingeschoben wird. Dabei ist die geometrische
Ausgestaltung des Akku-Einsatzes E so gehalten, dass es nur eine Möglichkeit
gibt, den Akku-Einsatz E seitenrichtig und vollständig in den Kinnbügelempfänger
einzuführen.
Mit Pos. 20b wird die Rückseite des Kinnbügelempfängers gezeigt Hierin integriert
befinden sich Tonübertragungseinstellungen 25 und 26. Diese Einstellungen
werden jeweils von einem Hörberater vorgenommen, welche die Tonübertragungseigenschaften
des Kinnbügelempfängers auf das spezifische Gehör des
Trägers optimal einstellt.
Pos. 20c stellt die Oberseite des Kinnbügelempfängers dar. Ersichtlich ist hier ein
Lautstärkeregler 23, der mit einer einstellbaren durch Zahlen gekennzeichneten
Lautstärke-Abstufung versehen ist, wobei eine Markierung 24 auf die eingestellte
Abstufung hinweist. Damit kann der Benützer seine ihm angenehme Lautstärke
immer gezielt ansteuern. Diese oberseitig des Kinnbügelempfängers angebrachte
Einstellung der Lautstärke ist sehr bedienungsfreundlich. Beim richtigen Tragen
des Kinnbügelempfängers befindet sich der Lautstärkeregler 23 vom Träger aus
gesehen rechtsseitig.
Pos. 27 kennzeichnet die beiden Bügelenden, welche im Grundgehäuse 20a-c
federnd spreizbar gelagert sind und in Wirkverbindung mit einem weiter in Fig. 3
näher gezeigten Schalter stehen. Dieser Schalter spricht auf die gespreizte Stellung
der Bügelenden 27 an, indem der Empfängerkreislauf aktiviert wird. Dieser
bleibt dann so lange auf Empfang, als der Kinnbügelempfänger getragen wird.
Beim Ablegen desselben federn die Bügelenden 27 in eine Ruheposition ein, bei
welcher der Schalter auf "aus" geht.
Endseitig tragen die Bügelenden 27 über eine hautfreundliche Polsterung 22 je
einen Kleinlautsprecher 21, welche an den Ohrkanaleingängen angelegt werden
und für einen einwandfreien Empfang sorgen. Die Polsterung dient auch den
Kleinlautsprecher 21 und dessen Oeffnung sauber zu halten.
Eine nicht näher gezeigte Schaltung im Kinnbügelempfänger sorgt dafür, dass
eine automatische Ausschaltung des Empfanges immer dann stattfindet, wenn die
Empfangsqualität eine bestimmte Gütetoleranzgrenze unterschreitet. Dies bedeutet,
dass sich der Träger instintiv immer jener Empfangsposition zuwendet oder
einnimmt, welche die Uebermittlung aufgrund der vorgegebenen Gütekontrolle
zulässt. Demnach, befindet sich der Kinnbügelempfänger ausserhalb des Sendebereichs
oder wird der infrarotstrahl abgelenkt, teilaufgefangen oder gestört,
schaltet der Kinnbügelempfänger augenblicklich die gestörte Tonübertragung
aus, schaltet sie dann aber sofort wieder ein, sobald der Empfang vom schaltungsmässigen
im Kinnbügelempfänger eingebauten Tonmanagement von der
Güte her wieder zugelassen wird. Somit wird der Träger nicht mehr durch lästige
und unangenehme Tonstörungen beim Tragen des Kinnbügelempfängers konfrontiert.In Fig. 2 the
The chin guard receiver is worn in such a way that this
On the underside, the basic housing has an opening 28 into which an operational battery insert E is inserted. The geometrical design of the battery insert E is such that there is only one way to insert the battery insert E correctly and completely into the chin guard receiver.
The rear of the chin strap receiver is shown with item 20b.
Item 20c represents the top of the chin guard receiver. Here you can see a
At the ends, the temple ends 27 each carry a
A circuit in the chin guard receiver, not shown, ensures that the reception is automatically switched off whenever the reception quality falls below a certain quality tolerance limit. This means that the wearer instinctively turns to the receiving position that allows the transmission based on the specified quality control. Accordingly, if the chin guard receiver is outside the transmission range or if the infrared beam is deflected, partially absorbed or disturbed, the chin guard receiver immediately switches off the disturbed sound transmission, but then immediately switches it on again as soon as the quality of the sound management built into the chin guard receiver is switched on again is allowed. Thus, the wearer is no longer confronted by annoying and unpleasant sound disturbances when wearing the chin strap receiver.
Fig. 3 zeigt die bereits oben kurz erläuterte Ein-/Ausschaltung des Empfanges
des Kinnbügelempfängers in Abhängigkeit zu der Stellung der Bugelenden 27. In
schaltungstechnischer Zusammenwirkung mit einer im Grundgehäuse angeordneten
Elektronikleiterplatte 14 wirkt seitlich ein Schalter 5, der von einem Schalthebel
6 angesteuert wird, dessen Positionierung durch eine entsprechend angebrachte
Feder 9 ermöglicht wird. Diese Feder 9 wird zwischen einer Anschlagplatte
8 und der Seitenebene der Elektronikleiterplatte 14 gehalten, wobei diese Anschlagplatte
8 Bestandteil des Schalthebels 6 ist. Als Wegbegrenzung der gefederten
Drehbewegung 12, also der Spreizlage, in der Ebene der Bügelenden 27
dient eine weitere Anschlagplatte 8a, die in der gleichen Ebene mit der Anschlagfläche
der bereits genannten Anschlagplatte 8 am Schalthebel 6 liegt, und diese
mit der seitlichen Umrandung 13 des Grundgehäuses fixiert ist. Der Schalthebel 6
ist durch eine entsprechende Hebelwirkung ausgestattet am oberen Ende des
Grundgehäuse drehbar gelagert 10. Im Ruhezustand der Bügelenden 27 liegen
die beiden Anschlagplatten 8, 8a, durch die Feder 9 angedrückt, aneinander.
Durch die Spreizlage 12 nehmen die Bügelenden 27 eine neue Stellung 27a ein,
welche die Tragposition des Kinnbügelempfängers bildet Dabei wird die Feder 9
leicht komprimiert, dergestalt, dass das untere Ende des Schalthebels 6 Kontakt
mit dem Schalter 5 erstellt. Die mit dem Schalter 5 in Wirkverbindung stehende
Elektronikleiterplatte 14 schaltet sofort auf Empfang ein, sobald der Schalter 5
durch die federnde Drehbewegung 12 der Bügelenden 27 aktiviert ist. In Ruhestellung
der Bügelenden 27 ist der Empfang ausgeschaltet. Die Bügelenden 27
weisen je eine Feder 9 und entsprechende Anschlagplatten auf, damit eine vorteilhafte
symmetrische Federung erzielt werden kann. 3 shows the switching on / off of the reception of the chin guard receiver, which has already been briefly explained above, as a function of the position of the bow ends 27. whose positioning is made possible by an appropriately attached
Due to the spreading
Der hier beschriebene Kopfhörer ist aus naheliegenden Gründen auf den Betrieb mit Infrarot-Signalen fokussiert worden. Damit soll in keiner Weise ausgeschlossen bleiben, dass dieser Kopfhörer selbstverständlich auch für den Empfang und Umsetzung anderer drahtloser Signale, beispielsweise von Funksignalen, zum Einsatz gelangen kann. Lediglich die spezifischen elektronischen Bausteine variieren dann von Fall zu Fall: Am Grundaufbau des erfindungsgemässen beschriebenen Kopfhörers ändern diese signalbedingten Anpassungen indessen nichts.The headphones described here are in operation for obvious reasons been focused with infrared signals. This is not meant to exclude in any way remain that these headphones are of course also for reception and Implementation of other wireless signals, for example radio signals, for Use can come. Only the specific electronic components vary then from case to case: on the basic structure of the described according to the invention Headphones, however, do not change these signal-related adjustments.
Claims (7)
- Infrared head set which is embodied as a chinstrap receiver and is designed to receive infrared signals and convert them into a sound transmission in the audible range, which infrared head set is essentially composed of a base housing (20a-c), of two strap ends (27) each with a small loudspeaker (21) arranged at their end, the two strap ends (27) being mounted in the base housing and being capable of being spread apart in at least one plane, characterized in that the strap ends (27) are operatively connected to at least one switch (5) which is accommodated in the lever action region of this plane, and in that in a certain spread-apart position (12) of the strap ends (27) due to the strap being worn, the switch (5) switches on the reception circuit, and in that the chinstrap receiver contains a circuit sound management system which automatically switches off the transmission when the sound quality drops below a specific level and switches this transmission on again automatically when the sound quality is restored.
- Infrared head set according to Claim 1, characterized in that the strap ends (27) have a bearing (10) which is arranged in the base housing (20a-c), in that the strap ends (27) are lengthened underneath this bearing by means of at least one switching lever (6), in that this switching lever (6) is operatively connected to a spring (9), and in that, as a result of the spread-apart position (12) of the strap ends (27) due to the strap being worn, the switching lever (6) actuates the switch (5) which switches on the reception.
- Infrared head set according to Claim 2, characterized in that the switch (5) is operatively connected to an electronic printed circuit board (14).
- Infrared head set according to Claims 1 and 2, characterized in that, in the position of rest of the strap ends (27), the switching lever (6) runs up against a stop (8, 8a), and in that, in a spread-apart position (12) due to the strap being worn, the spring (9) experiences compression.
- Infrared head set according to Claim 1, characterized in that the infrared head set is operatively connected to a sound/infrared-converting transmitter which has a switch which can be operated from the outside for switching over from mono to stereo reception.
- Infrared head set according to one or more of Claims 1 to 5, characterized in that the head set can be operated to receive any other wireless signal and convert it into a sound frequency in the audible range.
- Infrared head set according to Claim 6, characterized in that the head set is designed to receive radio signals and convert them into a sound frequency in the audible range.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH162498 | 1998-08-03 | ||
CH162498 | 1998-08-03 | ||
PCT/CH1999/000361 WO2000008894A1 (en) | 1998-08-03 | 1999-08-01 | Infrared helmet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1103162A1 EP1103162A1 (en) | 2001-05-30 |
EP1103162B1 true EP1103162B1 (en) | 2002-07-17 |
Family
ID=4214803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99932600A Expired - Lifetime EP1103162B1 (en) | 1998-08-03 | 1999-08-01 | Infrared helmet |
Country Status (7)
Country | Link |
---|---|
US (1) | US6735306B1 (en) |
EP (1) | EP1103162B1 (en) |
JP (1) | JP2002522993A (en) |
AT (1) | ATE220846T1 (en) |
DE (1) | DE59902057D1 (en) |
DK (1) | DK1103162T3 (en) |
WO (1) | WO2000008894A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003317455A (en) * | 2002-04-26 | 2003-11-07 | Mitsubishi Electric Corp | Information reproducing apparatus and information reproducing method |
EP1510103B1 (en) * | 2002-06-04 | 2011-03-30 | Adec & Partner AG | Headset |
SE528024C2 (en) * | 2004-07-12 | 2006-08-08 | Niklas Danielson | An ear speaker unit and a computer system |
US20060083397A1 (en) * | 2004-10-19 | 2006-04-20 | Obo Pro.2 Inc. | Wireless headphone with a self-actuated switch |
EP1651002A1 (en) * | 2004-10-20 | 2006-04-26 | Obo Pro.2 Inc. | Wireless headphone with a self-actuated switch |
JP4158117B2 (en) * | 2005-03-28 | 2008-10-01 | ソニー株式会社 | Headphone device |
US9438984B1 (en) | 2005-08-29 | 2016-09-06 | William F. Ryann | Wearable electronic pieces and organizer |
US8155362B2 (en) * | 2007-11-29 | 2012-04-10 | Plantronics, Inc. | Wireless listening system |
JP2018531544A (en) * | 2015-09-22 | 2018-10-25 | ミュージック インコーポレイテッド | Replacement ear cup for headphones |
EP3968805A1 (en) * | 2019-05-16 | 2022-03-23 | Locatelli S.p.A. | Protective helmet |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT315264B (en) * | 1972-07-11 | 1974-05-27 | Akg Akustische Kino Geraete | Headphones for interpreting systems, language schools and the like. |
DE2435552B2 (en) | 1974-07-24 | 1976-07-22 | Loewe Opta Gmbh, 1000 Berlin | HEADPHONE |
JPS5828968B2 (en) * | 1977-08-31 | 1983-06-20 | ソニー株式会社 | PLL frequency synthesizer tuner |
US4229829A (en) * | 1978-03-16 | 1980-10-21 | Grunwald Peter H | Apparatus for wireless transmission of a teaching program in a classroom |
NL7804041A (en) * | 1978-04-17 | 1979-10-19 | Philips Nv | STETHOSCOPIC EARPHONE. |
US4461025A (en) * | 1982-06-22 | 1984-07-17 | Audiological Engineering Corporation | Automatic background noise suppressor |
DE3325031A1 (en) | 1983-07-11 | 1985-01-24 | Sennheiser Electronic Kg, 3002 Wedemark | INFRARED HEADPHONES |
US4734928A (en) * | 1986-06-16 | 1988-03-29 | B/W Investments | Cellular mobile phone with a plurality of accessing telephone numbers for allowing access to the mobile phones by any one of the telephones numbers |
JP2830421B2 (en) | 1990-08-14 | 1998-12-02 | ソニー株式会社 | Wireless receiver |
JPH069293U (en) * | 1992-07-10 | 1994-02-04 | アイワ株式会社 | Headphones and other operating mechanism |
FR2706103B1 (en) * | 1993-06-03 | 1997-01-31 | Ericsson Ge Mobile Communicat | Radiotelephone apparatus. |
US5642426A (en) | 1994-06-13 | 1997-06-24 | Neuman; Bernard | Integral radio and infrared assistive listening device |
JPH08162993A (en) * | 1994-12-08 | 1996-06-21 | Matsushita Electric Ind Co Ltd | Wireless aural transmitter-receiver |
JP3045051B2 (en) | 1995-08-17 | 2000-05-22 | ソニー株式会社 | Headphone equipment |
DE10042691C2 (en) * | 2000-08-31 | 2002-08-01 | Sennheiser Electronic | Stethoset headphones |
-
1999
- 1999-08-01 WO PCT/CH1999/000361 patent/WO2000008894A1/en active IP Right Grant
- 1999-08-01 AT AT99932600T patent/ATE220846T1/en active
- 1999-08-01 US US09/762,199 patent/US6735306B1/en not_active Expired - Lifetime
- 1999-08-01 DE DE59902057T patent/DE59902057D1/en not_active Expired - Lifetime
- 1999-08-01 EP EP99932600A patent/EP1103162B1/en not_active Expired - Lifetime
- 1999-08-01 JP JP2000564413A patent/JP2002522993A/en not_active Withdrawn
- 1999-08-01 DK DK99932600T patent/DK1103162T3/en active
Also Published As
Publication number | Publication date |
---|---|
WO2000008894A1 (en) | 2000-02-17 |
JP2002522993A (en) | 2002-07-23 |
US6735306B1 (en) | 2004-05-11 |
EP1103162A1 (en) | 2001-05-30 |
DE59902057D1 (en) | 2002-08-22 |
DK1103162T3 (en) | 2002-11-04 |
ATE220846T1 (en) | 2002-08-15 |
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