EP0872818B1 - Remote control device with illuminated keybad - Google Patents

Remote control device with illuminated keybad Download PDF

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Publication number
EP0872818B1
EP0872818B1 EP19980106205 EP98106205A EP0872818B1 EP 0872818 B1 EP0872818 B1 EP 0872818B1 EP 19980106205 EP19980106205 EP 19980106205 EP 98106205 A EP98106205 A EP 98106205A EP 0872818 B1 EP0872818 B1 EP 0872818B1
Authority
EP
European Patent Office
Prior art keywords
light
keys
keypad
guide means
illuminated
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
Application number
EP19980106205
Other languages
German (de)
French (fr)
Other versions
EP0872818A3 (en
EP0872818A2 (en
Inventor
Ludwig Kronmeister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grundig AG
Original Assignee
Grundig Multimedia BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grundig Multimedia BV filed Critical Grundig Multimedia BV
Publication of EP0872818A2 publication Critical patent/EP0872818A2/en
Publication of EP0872818A3 publication Critical patent/EP0872818A3/en
Application granted granted Critical
Publication of EP0872818B1 publication Critical patent/EP0872818B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys

Definitions

  • the invention relates to an operating device for a communication device, in particular a remote control for a device of entertainment electronics according to the preamble of patent claim 1.
  • Remote controls are commonly used as so-called remote control transmitters for operating consumer electronic devices, such as televisions, video recorders and audio devices. Since such remote controls are often to be operated by the user in darkened rooms, also remote control transmitter are known whose keypads are illuminated.
  • EP-A-0414366 is known a light guide for illuminating an information-carrying element.
  • a translucent plate having at least one region connected to the information-carrying element, the plate having means for reflecting light from an external light source into the plane of the plate.
  • the reflecting means comprise a first reflecting means which directs light from the light source in a first direction in the plane of the plate, and a second reflecting means, the light from the first reflecting means in a second direction, transverse to the first direction and in the plane the plate reflects.
  • a third reflecting means which reflects light from the second reflecting means in a third direction, transverse to the second direction and in lateral, parallel, but opposite to the first direction, and in the plane of the plate.
  • the invention has for its object to provide an operating device of the type mentioned above, the keypad is illuminated as homogeneously as possible without great effort and is easy to produce.
  • the light-conducting means homogenous distribution of the available light, in particular to the edge regions of the buttons to be illuminated, resulting in a simpler and more ergonomic handling of the Whyseininoplasty even in darkened visibility.
  • Fig. 1 shows a first embodiment of a keypad 1 as a section in the side view.
  • the keypad 1 consists of keys 2 which are surrounded by light-guiding means 9. Between the buttons 2 each light emitting diodes 8 are arranged.
  • Fig. 2 shows that in Fig. 1 illustrated keypad in plan view.
  • the keypad 1 is part of an operating device, such as a remote control for a TV.
  • the keypad contains buttons 2 for activating certain device functions.
  • buttons 2 for activating certain device functions.
  • In the area between the keys 2 are in the in Fig. 2 illustrated embodiment, four LEDs 8 are provided which are provided for illuminating the area surrounding the keys 2.
  • Each key 2 is surrounded by a light guide 9 for this purpose.
  • the light-guiding means 9 are formed as circular rings, and consist of a transparent material. This material can also be colored to produce certain optical effects.
  • the individual rings of the light-guiding means 9 are integral to the simplified manufacture of the operating device, i. produced as a coherent rings.
  • Fig. 3 shows a further embodiment of a keypad in cross section.
  • the keypad 1 consists of keys 5, 6, 7, which are surrounded by light-guiding means 9.
  • the light is transmitted to the light guide 9.
  • the light-guiding means 9 are connected to a notch. Accordingly, in the upper area 11 of Lichtleitstoff another notch provided.
  • the function for illuminating the keypad 1 corresponds to the in Fig. 3 illustrated embodiment, substantially in the context of Fig. 1 and Fig. 2 explained embodiments, so that reference is made to the simplification to the relevant description.
  • Fig. 4 shows that in Fig. 3 illustrated keypad in plan view.
  • the keypad 1 has keys 3, 4, 5, 6, 7, which are provided for activating certain device functions of a consumer electronics device.
  • the edge regions of the keys 3, 4, 5, 6, 7 are surrounded by light-guiding means 9.
  • the entire keypad 1 is framed by another light guide 12.
  • light-emitting diodes 8 covered by the operating device are provided in the keypad.
  • LEDs 8 is in the in Fig. 4 illustrated embodiment in addition to lighting only the surrounding area of the keys 3, 4, 5, 6, 7 also achieves illumination of the entire keypad 1.
  • illustrated light guide 9, 12 are can be made in one piece from a translucent material.

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Selective Calling Equipment (AREA)

Description

Die Erfindung betrifft eine Bedieneinrichtung für ein Kommunikationsgerät, insbesondere eine Fernbedienung für ein Gerät der Unterhaltungselektronik gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to an operating device for a communication device, in particular a remote control for a device of entertainment electronics according to the preamble of patent claim 1.

Fernbedienungen sind als sogenannte Fernbedienungsgeber zur Bedienung von Geräten der Unterhaltungselektronik, beispielsweise Fernsehgeräten, Videorecordern sowie Audiogeräten, gebräuchlich. Da derartige Fernbedienungen häufig auch in abgedunkelten Räumen vom Benutzer bedient werden sollen, sind auch Fernbedienungsgeber bekannt, deren Tastaturfelder beleuchtbar sind.Remote controls are commonly used as so-called remote control transmitters for operating consumer electronic devices, such as televisions, video recorders and audio devices. Since such remote controls are often to be operated by the user in darkened rooms, also remote control transmitter are known whose keypads are illuminated.

Aus DE 90 13 860 U1 ist eine Fernbedienung für elektronische Geräte bekannt, deren Bedienelemente beleuchtet sind. Die Beleuchtung erfolgt mit Hilfe von flexiblen Lichtleitern. Zur Beleuchtung ist eine einzige aus einer Batterie gespeiste Lichtquelle vorgesehen.Out DE 90 13 860 U1 a remote control for electronic devices is known whose controls are illuminated. The lighting is done with the help of flexible light guides. For illumination, a single light source powered by a battery is provided.

Aus EP-A-0414366 ist ein Lichtleiter zur Beleuchtung eines informationstragenden Elementes bekannt. Hierzu ist eine lichtdurchlässige Platte mit wenigstens einem, mit dem informationstragenden Element verbundenen Bereich umfasst, wobei die Platte Einrichtungen zum Reflektieren von Licht von einer externen Lichtquelle in die Ebene der Platte aufweist. Die reflektierenden Einrichtungen umfassen eine erste reflektierende Einrichtung, die Licht von der Lichtquelle in eine erste Richtung in der Ebene der Platte leitet und eine zweite reflektierende Einrichtung, die Licht von der ersten reflektierenden Einrichtung in eine zweite Richtung, quer zur ersten Richtung und in der Ebene der Platte reflektiert.Out EP-A-0414366 is known a light guide for illuminating an information-carrying element. For this purpose, a translucent plate having at least one region connected to the information-carrying element, the plate having means for reflecting light from an external light source into the plane of the plate. The reflecting means comprise a first reflecting means which directs light from the light source in a first direction in the plane of the plate, and a second reflecting means, the light from the first reflecting means in a second direction, transverse to the first direction and in the plane the plate reflects.

Weiterhin ist eine dritte reflektierende Einrichtung vorhanden, die Licht von der zweiten reflektierenden Einrichtung in einer dritten Richtung, quer zur zweiten Richtung und in seitlichen, parallel, jedoch entgegengesetzt zur ersten Richtung, und in der Ebene der Platte reflektiert.Further, there is a third reflecting means which reflects light from the second reflecting means in a third direction, transverse to the second direction and in lateral, parallel, but opposite to the first direction, and in the plane of the plate.

Der Erfindung liegt die Aufgabe zugrunde, eine Bedieneinrichtung der eingangs genannten Art anzugeben, dessen Tastaturfeld ohne großen Aufwand möglichst homogen beleuchtbar ist und die einfach herstellbar ist.The invention has for its object to provide an operating device of the type mentioned above, the keypad is illuminated as homogeneously as possible without great effort and is easy to produce.

Diese Aufgabe wird durch eine Bedieneinrichtung mit den im Anspruch 1 angegebenen Merkmalen gelöst.This object is achieved by an operating device with the features specified in claim 1.

Durch die Lichtleitmittel erfolgt eine homogene Verteilung des zur Verfügung stehenden Lichts, insbesondere an die Randbereiche der zu beleuchtenden Tasten, wodurch sich eine einfachere und ergonomischere Handhabbarkeit der Bedieneineinrichtung auch bei abgedunkelten Sichtverhältnissen ergibt.The light-conducting means homogenous distribution of the available light, in particular to the edge regions of the buttons to be illuminated, resulting in a simpler and more ergonomic handling of the Bedienseininrichtung even in darkened visibility.

Im folgenden wird die Erfindung anhand der in den Fig. dargestellten Ausführungsbeispielen näher beschrieben und erläutert.In the following the invention with reference to the embodiments illustrated in the figures will be described and explained in more detail.

Es zeigen:

Fig. 1
ein erstes Ausführungsbeispiel eines Tastaturfelds mit Lichtleitmitteln in der Seitenansicht,
Fig. 2
das in Fig. 1 dargestellte Tastaturfeld in der Draufsicht,
Fig. 3
ein weiteres Ausführungsbeispiel eines Tastaturfelds in der geschnittenen Seitenansicht und
Fig. 4
das in Fig. 3 dargestellte Tastaturfeld in der Draufsicht.
Show it:
Fig. 1
a first embodiment of a keypad with light guide in the side view,
Fig. 2
this in Fig. 1 illustrated keypad in plan view,
Fig. 3
a further embodiment of a keypad in the sectional side view and
Fig. 4
this in Fig. 3 illustrated keypad in plan view.

Fig. 1 zeigt ein erstes Ausführungsbeispiel eines Tastaturfelds 1 als Schnitt in der Seitenansicht. Das Tastaturfeld 1 besteht aus Tasten 2, die von Lichtleitmitteln 9 umgeben sind. Zwischen den Tasten 2 sind jeweils Leuchtdioden 8 angeordnet. Fig. 1 shows a first embodiment of a keypad 1 as a section in the side view. The keypad 1 consists of keys 2 which are surrounded by light-guiding means 9. Between the buttons 2 each light emitting diodes 8 are arranged.

Die Funktion des in Fig. 1 dargestellten Tastaturfelds ist folgendermaßen: Durch Betätigung einer Taste auf der Bedieneinrichtung, auf der das Tastaturfeld 1 angeordnet ist, erfolgt eine Aktivierung der Leuchtdioden 8, d.h. eine Abstrahlung von Licht. Dieses Licht wird über die Lichtleitmittel 9 an die Umgebung der Tasten 2 weiter verteilt, zur besseren Verteilung des abgegebenen Lichts sind die Lichtleitmittel bei dem in Fig. 1 dargestellten Ausführungsbeispiel im unteren Bereich abgewinkelt.The function of in Fig. 1 By pressing a button on the operating device on which the keypad 1 is arranged, there is an activation of the light-emitting diodes 8, that is, a radiation of light. This light is further distributed via the light guide 9 to the environment of the keys 2, for better distribution of the emitted light, the light guide at the in Fig. 1 illustrated embodiment in the lower region angled.

Fig. 2 zeigt das in Fig. 1 dargestellte Tastaturfeld in der Draufsicht. Das Tastaturfeld 1 ist Teil einer Bedieneinrichtung, beispielsweise einer Fernbedienung für ein Fernsehgerät. Das Tastaturfeld enthält Tasten 2 zur Aktivierung bestimmter Gerätefunktionen. Im Bereich zwischen den Tasten 2 sind bei dem in Fig. 2 dargestellten Ausführungsbeispiel vier Leuchtdioden 8 vorgesehen, die zur Beleuchtung des die Tasten 2 umgebenden Bereichs vorgesehen sind. Jede Taste 2 ist hierzu von einem Lichtleitmittel 9 umgeben. Fig. 2 shows that in Fig. 1 illustrated keypad in plan view. The keypad 1 is part of an operating device, such as a remote control for a TV. The keypad contains buttons 2 for activating certain device functions. In the area between the keys 2 are in the in Fig. 2 illustrated embodiment, four LEDs 8 are provided which are provided for illuminating the area surrounding the keys 2. Each key 2 is surrounded by a light guide 9 for this purpose.

Die Lichtleitmittel 9 sind als kreisförmig ausgebildete Ringe ausgebildet, und bestehen aus einem lichtdurchlässigen Material. Dieses Material kann zur Erzeugung von bestimmten optischen Effekten auch farbig ausgebildet sein. Die einzelnen Ringe der Lichtleitmittel 9 sind zur vereinfachten Herstellung der Bedieneinrichtung einstückig, d.h. als zusammenhängend ausgebildete Ringe hergestellt.The light-guiding means 9 are formed as circular rings, and consist of a transparent material. This material can also be colored to produce certain optical effects. The individual rings of the light-guiding means 9 are integral to the simplified manufacture of the operating device, i. produced as a coherent rings.

Fig. 3 zeigt ein weiteres Ausführungsbeispiel eines Tastaturfelds im Querschnitt. Das Tastaturfeld 1 besteht aus Tasten 5, 6, 7, die von Lichtleitmitteln 9 umgeben sind. Im Bereich der Tasten 5 und 6 sind Leuchtdioden 8 vorgesehen, deren Licht an die Lichtleitmittel 9 weitergeleitet wird. In einem unteren Bereich 10 sind die Lichtleitmittel 9 mit einer Einkerbung verbunden. Entsprechend ist im oberen Bereich 11 der Lichtleitmittel eine weitere Einkerbung vorgesehen. Die Funktion zur Beleuchtung des Tastaturfelds 1 entspricht bei dem in Fig. 3 dargestellten Ausführungsbeispiel im wesentlichen der im Zusammenhang in Fig. 1 und Fig. 2 erläuterten Ausführungsbeispiele, so daß zur Vereinfachung auf die diesbezügliche Beschreibung verwiesen wird. Fig. 3 shows a further embodiment of a keypad in cross section. The keypad 1 consists of keys 5, 6, 7, which are surrounded by light-guiding means 9. In the area of the keys 5 and 6 LEDs 8 are provided, the light is transmitted to the light guide 9. In a lower region 10, the light-guiding means 9 are connected to a notch. Accordingly, in the upper area 11 of Lichtleitmittel another notch provided. The function for illuminating the keypad 1 corresponds to the in Fig. 3 illustrated embodiment, substantially in the context of Fig. 1 and Fig. 2 explained embodiments, so that reference is made to the simplification to the relevant description.

Fig. 4 zeigt das in Fig. 3 dargestellte Tastaturfeld in der Draufsicht. Das Tastaturfeld 1 weist Tasten 3, 4, 5, 6, 7 auf, die zur Aktivierung bestimmter Gerätefunktionen eines Geräts der Unterhaltungselektronik vorgesehen sind. Die Randbereiche der Tasten 3, 4, 5, 6, 7 sind von Lichtleitmitteln 9 umgeben. Darüberhinaus ist das gesamte Tastaturfeld 1 von einem weiteren Lichtleitmittel 12 umrahmt. Im Bereich zwischen den Tasten 3, 4, 5, 6, 7 sind im Tastaturfeld von der Bedieneinrichtung abgedeckte Leuchtdioden 8 vorgesehen. Fig. 4 shows that in Fig. 3 illustrated keypad in plan view. The keypad 1 has keys 3, 4, 5, 6, 7, which are provided for activating certain device functions of a consumer electronics device. The edge regions of the keys 3, 4, 5, 6, 7 are surrounded by light-guiding means 9. In addition, the entire keypad 1 is framed by another light guide 12. In the area between the keys 3, 4, 5, 6, 7, light-emitting diodes 8 covered by the operating device are provided in the keypad.

Durch die Leuchtdioden 8 wird bei dem in Fig. 4 dargestellten Ausführungsbeispiel neben einer Beleuchtung lediglich des Umgebungsbereichs der Tasten 3, 4, 5, 6, 7 auch eine Beleuchtung des gesamten Tastaturfeldes 1 erzielt. Hierzu dient neben den die jeweiligen Tasten 3, 4, 5, 6, 7 umgebenden Lichtleitmittel 9 der als weiteres Lichtleittmittel 12 ausgebildete Leuchtrahmen 12. Auch die in Fig. 4 dargestellten Lichtleitmittel 9, 12 sind können einstückig aus einem lichtdurchlässigen Material hergestellt.By the LEDs 8 is in the in Fig. 4 illustrated embodiment in addition to lighting only the surrounding area of the keys 3, 4, 5, 6, 7 also achieves illumination of the entire keypad 1. Serves for this purpose in addition to the respective keys 3, 4, 5, 6, 7 surrounding light-conducting 9 of the light-emitting means 12 formed as a further light-emitting frame 12. Also in Fig. 4 illustrated light guide 9, 12 are can be made in one piece from a translucent material.

Claims (1)

  1. Operator control device for a consumer electronics appliance, having a keypad (1) which has keys (2...7), illumination means (8) for illuminating the keys (2...7) and light-guide means (9) for passing on the light which is discharged by the illumination means (8) to the keypad (1), with the light-guide means (9) being matched to the shape of the keys (2...7) and surrounding the keys (2...7), the light-guide means (9) being formed integrally and cohesively from a transparent material, the illumination means (8) comprising at least four light-emitting diodes which are provided for illuminating the edge regions of the keys which are to be illuminated, each key (2) being surrounded by a light-guide means (9), the light-guide means (9) being a circular ring which comprises a transparent material and can be coloured in order to generate an optical effect, with the means for illuminating the keys (2...7) being arranged in the region of the keypad (1), with the light-guide means (9) being angled in the lower region which faces the illumination means (8) or the light-guide means (9) having an indentation in a lower region (10) which faces the illumination means (8) and/or in an upper region (11) which is averted from the illumination means (8), and the keypad (1) being framed by a further light-guide means (12).
EP19980106205 1997-04-17 1998-04-04 Remote control device with illuminated keybad Expired - Lifetime EP0872818B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997116064 DE19716064B4 (en) 1997-04-17 1997-04-17 Control device with illuminated keypad
DE19716064 1997-04-17

Publications (3)

Publication Number Publication Date
EP0872818A2 EP0872818A2 (en) 1998-10-21
EP0872818A3 EP0872818A3 (en) 1999-04-07
EP0872818B1 true EP0872818B1 (en) 2011-08-31

Family

ID=7826797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980106205 Expired - Lifetime EP0872818B1 (en) 1997-04-17 1998-04-04 Remote control device with illuminated keybad

Country Status (2)

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EP (1) EP0872818B1 (en)
DE (1) DE19716064B4 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004517447A (en) 2000-12-29 2004-06-10 ベルツ リミテッド Case
US7006349B2 (en) 2000-12-29 2006-02-28 Vertu Limited Casing
DE102006032060A1 (en) * 2006-07-10 2008-01-31 Huf Hülsbeck & Fürst Gmbh & Co. Kg Mobile actuator
DE102007037301A1 (en) * 2007-08-07 2009-02-12 BSH Bosch und Siemens Hausgeräte GmbH Home appliance arrangement
DE102010030066B4 (en) 2010-06-15 2015-12-24 Technisat Digital Gmbh Remote control transmitter with a lighted touch field

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015943A1 (en) * 1980-04-25 1981-11-05 Rollei-Werke Franke & Heidecke Gmbh & Co Kg, 3300 Braunschweig REMOTE CONTROL DEVICE
GB2235295B (en) * 1989-08-24 1993-09-08 Technophone Ltd Light guide
DE9013860U1 (en) * 1990-10-05 1991-01-03 Diemer & Fastenrath, 58511 Lüdenscheid Remote control for electronic devices
US5130897A (en) * 1991-10-31 1992-07-14 At&T Bell Laboratories Light guide for a telephone dial

Also Published As

Publication number Publication date
EP0872818A3 (en) 1999-04-07
DE19716064A1 (en) 1998-10-22
DE19716064B4 (en) 2008-09-25
EP0872818A2 (en) 1998-10-21

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