JP2009251068A - Electronic eyeglasses and charger therefor - Google Patents

Electronic eyeglasses and charger therefor Download PDF

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JP2009251068A
JP2009251068A JP2008095635A JP2008095635A JP2009251068A JP 2009251068 A JP2009251068 A JP 2009251068A JP 2008095635 A JP2008095635 A JP 2008095635A JP 2008095635 A JP2008095635 A JP 2008095635A JP 2009251068 A JP2009251068 A JP 2009251068A
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charging device
charging
modern
power
battery
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Satoko Machida
佐土子 町田
Koji Sone
浩二 曽根
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Panasonic Corp
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Panasonic Corp
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    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length
    • G02C7/081—Ophthalmic lenses with variable focal length
    • G02C7/083—Electrooptic lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • G02C11/10—Electronic devices other than hearing aids

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Acoustics & Sound (AREA)
  • Otolaryngology (AREA)
  • Eyeglasses (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide electronic eyeglasses which can be charged while being put on, and to provide a charger therefor. <P>SOLUTION: The eyeglasses comprise variable focus lenses, a frame having the variable focus lenses mounted thereon, a driving circuit for driving the variable focus lenses, a battery for driving the driving circuit, and ear pads provided with power reception coils for charging the battery by electromagnetic induction. The charger for the use of the electronic eyeglasses has power transmission coils which are to be fitted to the ear pads so as to pierce them and supply power to the power reception coils, disposed in positions facing each other. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、電磁誘導式充電を使用する電子眼鏡およびその充電装置に関する。   The present invention relates to an electronic spectacle that uses electromagnetic induction charging and a charging device thereof.

従来、眼鏡には、近視者用には凹、遠視者用には凸の単レンズの単レンズ眼鏡が用いられていた。しかし、老眼（遠視）の近視又は遠視者には、このような単レンズ眼鏡を複数使用しなければなない。一つの眼鏡で両方の機能を満たすために、異なる焦点距離を持つレンズを組み合わせた２焦点レンズが考案された。ところが、この２焦点レンズを用いた遠近両用眼鏡では、焦点の合うレンズ領域が狭く見えにくいため、使用者に不快感を与えてしまう。そこで、レンズの焦点距離を電気的に制御することにより、近視と遠視の両方で、広い視野範囲を確保できる遠近両用の電子眼鏡が考案されている。   Conventionally, single-lens spectacles of a concave single lens for a nearsighted person and a convex single lens for a farsighted person have been used. However, a plurality of such single lens glasses must be used for presbyopia (hyperopia) myopia or hyperopia. In order to satisfy both functions with a single spectacle, a bifocal lens was devised that combines lenses with different focal lengths. However, in the bifocal glasses using this bifocal lens, the focused lens area is difficult to see narrow, which gives the user an unpleasant feeling. In view of this, there has been devised a bifocal electronic spectacle that can secure a wide visual field range in both myopia and hyperopia by electrically controlling the focal length of the lens.

電子眼鏡は、液晶レンズとフレームと電気回路とで構成されている。この液晶レンズは、光の通過する方向（配向状態）により屈折率が異なる液晶素子を用いた可変焦点レンズである。また、液晶レンズの液晶層の両端には、電圧を印加するための透明電極を設けている。フレームは、レンズを固定するリムと眼前にレンズを維持するためのテンプルとノーズパッドで構成される。電気回路は、液晶レンズの駆動制御回路、電源制御回路、電源、スイッチで構成される。また、電気回路はフレームに組み込まれ、液晶レンズと電気的に接続している。   Electronic glasses are composed of a liquid crystal lens, a frame, and an electric circuit. This liquid crystal lens is a variable focus lens using a liquid crystal element having a different refractive index depending on a light passing direction (alignment state). In addition, transparent electrodes for applying a voltage are provided at both ends of the liquid crystal layer of the liquid crystal lens. The frame includes a rim for fixing the lens, a temple for maintaining the lens in front of the eye, and a nose pad. The electric circuit includes a liquid crystal lens drive control circuit, a power supply control circuit, a power supply, and a switch. An electric circuit is incorporated in the frame and is electrically connected to the liquid crystal lens.

液晶レンズ内の液晶素子が予め屈折率の高くなる向きに配向されている場合には、近視矯正時は、液晶レンズに電圧を印加しないで使用する。一方、遠視矯正時には、液晶レンズに電圧を印加して、強制的に液晶素子の配向を屈折率の低くなる向きに変えて使用する。近視と遠視の切り替えには、手動または自動スイッチを用いる（例えば、特許文献１参照。）。   When the liquid crystal elements in the liquid crystal lens are aligned in the direction in which the refractive index is increased in advance, the liquid crystal lens is used without applying a voltage to the myopia correction. On the other hand, during hyperopia correction, a voltage is applied to the liquid crystal lens to forcibly change the orientation of the liquid crystal element so that the refractive index is lowered. A manual or automatic switch is used for switching between myopia and hyperopia (for example, see Patent Document 1).

このような電子眼鏡は携帯して用いられるため、電源には小型電池が使用される。さらに、使用者が電池交換をしないで長時間使用するためには充電可能な二次電池が用いられる。二次電池の充電方法としては、使用者が眼鏡を外して、眼鏡ホルダに置くことにより充電がおこなわれる。フレームには受電部、眼鏡ホルダには給電部が設けられ、眼鏡ホルダの給電部からフレームの受電部を介して二次電池に電力が供給される（例えば、特許文献２参照。）。   Since such electronic glasses are carried and used, a small battery is used as a power source. Furthermore, a rechargeable secondary battery is used for the user to use the battery for a long time without replacing the battery. As a method for charging the secondary battery, charging is performed by the user removing the glasses and placing the glasses on the glasses holder. A power receiving unit is provided in the frame, and a power feeding unit is provided in the spectacle holder, and power is supplied from the power feeding unit of the spectacle holder to the secondary battery via the power receiving unit of the frame (see, for example, Patent Document 2).

また、携帯電話などでは、二次電池へ充電するための充電方式として、外部電源との電力接続が不要でかつ耐水性の高い電磁誘導方式が提案されている。電磁誘導方式による電極供給は、本体側に受電コイルを充電装置側に送電コイルが設けられ、充電時には本体を充電装置に設置して充電をおこなう方式が提案されている（例えば、特許文献３参照。）。
特開平４−３２２２１４号公報 特開２００４−２４５９００号公報 特開平１０−００４６３９号公報 For mobile phones and the like, an electromagnetic induction method that requires no power connection with an external power source and has high water resistance has been proposed as a charging method for charging a secondary battery. As for electrode supply by the electromagnetic induction method, a method is proposed in which a power receiving coil is provided on the main body side and a power transmission coil is provided on the charging device side, and charging is performed by installing the main body on the charging device during charging (see, for example, Patent Document 3). .)
JP-A-4-322214 JP 2004-245900 A JP 10-004639 A

しかしながら、前記従来の電子眼鏡用充電装置では、電子眼鏡を外して充電する必要があり、充電中は電子眼鏡を使用できないという課題を有していた。   However, the conventional electronic eyeglass charging device has a problem that the electronic eyeglasses need to be removed and charged, and the electronic eyeglasses cannot be used during the charging.

本発明は、前記従来の課題を解決するもので、電子眼鏡を装着したままで充電できる電子眼鏡及びその充電装置を提供することを目的とする。   The present invention solves the above-described conventional problems, and an object thereof is to provide an electronic spectacle that can be charged while the electronic spectacle is worn, and a charging device thereof.

前記従来の課題を解決するために、本発明の電子眼鏡及びその充電装置は、可変焦点レンズと、前記可変焦点レンズを取り付けたフレームと、前記可変焦点レンズを駆動するための駆動回路と、前記駆動回路の駆動用電池と、前記駆動用電池を電磁誘導にて充電するための受電コイルを備えたモダンとからなることを特徴としたものである。   In order to solve the conventional problems, an electronic spectacle of the present invention and a charging device thereof include a variable focus lens, a frame to which the variable focus lens is attached, a drive circuit for driving the variable focus lens, It is characterized by comprising a drive battery for a drive circuit and a modern equipped with a power receiving coil for charging the drive battery by electromagnetic induction.

本発明の電子眼鏡及びその充電装置によれば、電子眼鏡を装着したままで充電できるので、充電中も継続して使用することが出来る。   According to the electronic spectacles and the charging device of the present invention, the electronic spectacles can be charged with the electronic spectacles attached, so that they can be used continuously during charging.

以下に、本発明の電子眼鏡用充電装置の実施の形態を図面とともに詳細に説明する。   Embodiments of a charging device for electronic glasses according to the present invention will be described below in detail with reference to the drawings.

（実施の形態１）
図１は、本発明の実施の形態１における本発明の電子眼鏡の概略図を示す。本発明の電子眼鏡は、可変焦点レンズ１とフレーム２で構成される。フレーム２は、リム３、ブリッジ４、テンプル５、ヨロイ６、ヒンジ７、モダン８、ノーズパッド９の部品によって構成されている。フレーム２の各部品の機能を説明する。リム３は可変焦点レンズ１の周りを囲んで固定している。ブリッジ４は、２つのリム３を接続している。テンプル５と、テンプル５の先端にあるモダン８と、ノーズパッド９は、顔にメガネを固定する。ヨロイ６は、テンプル５につながるリム３の両端部である。ヒンジ７は、リム３とブリッジ４で構成されるフロント部とテンプル５を接続している。図示していないが、フレーム２には、可変焦点レンズ１を駆動するための電気回路と焦点距離を切り替えるスイッチが組み込まれている。 (Embodiment 1)
FIG. 1 is a schematic view of electronic glasses of the present invention in Embodiment 1 of the present invention. The electronic spectacles of the present invention are composed of a variable focus lens 1 and a frame 2. The frame 2 is constituted by parts of a rim 3, a bridge 4, a temple 5, an armor 6, a hinge 7, a modern 8, and a nose pad 9. The function of each part of the frame 2 will be described. The rim 3 is fixed around the variable focus lens 1. The bridge 4 connects the two rims 3. The temple 5, the modern 8 at the tip of the temple 5, and the nose pad 9 fix the glasses to the face. The armor 6 is both ends of the rim 3 connected to the temple 5. The hinge 7 connects the temple 5 with the front part constituted by the rim 3 and the bridge 4. Although not shown, the frame 2 incorporates an electric circuit for driving the variable focus lens 1 and a switch for switching the focal length.

図２は、図１における電子眼鏡の側面図である。図２に示すように、モダン８の先端に受電コイル１０を設けることで、非接触充電出来る電磁誘導型の充電器が使用できる。この受電コイル１０の位置は、充電器をモダン８に取り付けた際に頭部を不必要に圧迫としない場所でかつ確実に受電コイル１０に電力供給できる場所が好ましい。モダン８の材料には、樹脂材料が良い。受電コイル１０の近傍に磁性体で出来た金属フレームを配しないことが好ましい。電磁誘導により発生した磁束のほとんどが受電コイル１０に集まるため、充電ロスが少なくなる。樹脂材料の代わりに、比透磁率が１．００００００４未満の材料、例えば、銅や銀を用いても良い。   FIG. 2 is a side view of the electronic glasses in FIG. As shown in FIG. 2, an electromagnetic induction charger capable of non-contact charging can be used by providing a power receiving coil 10 at the tip of the modern 8. The position of the power receiving coil 10 is preferably a place where the power is surely supplied to the power receiving coil 10 in a place where the head is not unnecessarily compressed when the charger is attached to the modern 8. A resin material is good for the Modern 8 material. It is preferable not to arrange a metal frame made of a magnetic material in the vicinity of the power receiving coil 10. Since most of the magnetic flux generated by the electromagnetic induction is collected in the power receiving coil 10, the charging loss is reduced. Instead of the resin material, a material having a relative permeability less than 1.000004, for example, copper or silver may be used.

図３は、電子眼鏡の側面図で電源制御回路１１と駆動回路１２とを示したものである。電源制御回路１１は、コイル制御、充電回路、整流回路等から構成されており、受電コイル１０と接続されている。図３に示すように、受電コイル１０を樹脂材料で形成されたモダン８の内部に設け、受電コイル１０から離れた場所であるヨロイ６に電源制御回路１１と駆動回路１２と駆動用二次電池１３を含む電子回路を設けている。この構成により、電子回路は、充電中の漏れ磁束の影響を受けることが少なくなるため、電子回路部分に電磁シールドを設ける必要がない。また、各電気部品で発熱が生じることを防ぐことができる。   FIG. 3 shows the power supply control circuit 11 and the drive circuit 12 in a side view of the electronic glasses. The power control circuit 11 includes a coil control, a charging circuit, a rectifier circuit, and the like, and is connected to the power receiving coil 10. As shown in FIG. 3, the power receiving coil 10 is provided inside a modern 8 made of a resin material, and a power control circuit 11, a drive circuit 12, and a driving secondary battery are connected to the armor 6, which is away from the power receiving coil 10. An electronic circuit including 13 is provided. With this configuration, the electronic circuit is less affected by the leakage magnetic flux during charging, and therefore it is not necessary to provide an electromagnetic shield in the electronic circuit portion. Moreover, it is possible to prevent heat generation in each electrical component.

（実施の形態２）
図４は、本発明の実施の形態２における電子眼鏡と電子眼鏡用充電装置の概略図を示す。図４において、電子眼鏡は、可変焦点レンズ１とフレーム２で構成される。フレーム２は、リム３、ブリッジ４、テンプル５、ヨロイ６、ヒンジ７、モダン８、ノーズパッド９の部品によって構成されている。フレーム２の各部品の機能を説明する。リム３は可変焦点レンズ１の周りを囲んで固定している。ブリッジ４は、２つのリム３を接続している。テンプル５と、テンプル５の先端にあるモダン８と、ノーズパッド９は、顔にメガネを固定する。ヨロイ６は、テンプル５につながるリム３の両端部である。ヒンジ７は、リム３とブリッジ４で構成されるフロント部とテンプル５を接続している。携帯型充電部１４は、充電時にモダン８に嵌め込む。図示していないが、電気回路はヨロイ６のいずれかの左右どちらか一方、または両方に取り付けられる。図４は、電気回路が両方取り付けられている場合の電子眼鏡用充電装置を示している。 (Embodiment 2)
FIG. 4 is a schematic diagram of electronic glasses and a charging device for electronic glasses according to Embodiment 2 of the present invention. In FIG. 4, the electronic glasses are composed of a variable focus lens 1 and a frame 2. The frame 2 is constituted by parts of a rim 3, a bridge 4, a temple 5, an armor 6, a hinge 7, a modern 8, and a nose pad 9. The function of each part of the frame 2 will be described. The rim 3 is fixed around the variable focus lens 1. The bridge 4 connects the two rims 3. The temple 5, the modern 8 at the tip of the temple 5, and the nose pad 9 fix the glasses to the face. The armor 6 is both ends of the rim 3 connected to the temple 5. The hinge 7 connects the temple 5 with the front part constituted by the rim 3 and the bridge 4. The portable charging unit 14 is fitted into the modern 8 at the time of charging. Although not shown, the electric circuit is attached to either one or both of the left and right of the alloy 6. FIG. 4 shows a charging device for electronic glasses when both electric circuits are attached.

図５に、携帯型充電部１４の構成図を示す。図５において、電子眼鏡の充電に非接触の電磁誘導型充電を用いるため、受電コイル１０がモダン８の頭部と接触しない側寄りに設けられ、さらに電源制御回路１１と接続されている。電源制御回路１１は、コイル制御、充電回路、整流回路等を含んでいる。携帯型充電部１４の頭部と接触しない側に、送電コイル１５と電池１６と制御回路１７を設ける。また、電池１６には、薄型の電池が用いられ、送電コイル１５と電池１６の全部または、一部が重なるように配置される。そのため、送電コイル１５と電池１６の間には、約１ｃｍの間隔が空けられるか、電磁シールド処理が施される。携帯型充電部１４に設けられる電池１６の種類は、例えば、一次電池、二次電池、燃料電池等が用いられる。   FIG. 5 shows a configuration diagram of the portable charging unit 14. In FIG. 5, since non-contact electromagnetic induction charging is used for charging the electronic glasses, the power receiving coil 10 is provided on the side not contacting the head of the modern 8 and is further connected to the power supply control circuit 11. The power supply control circuit 11 includes a coil control, a charging circuit, a rectifier circuit, and the like. A power transmission coil 15, a battery 16, and a control circuit 17 are provided on the side of the portable charging unit 14 that does not contact the head. In addition, a thin battery is used as the battery 16, and the power transmission coil 15 and the battery 16 are all or partially overlapped. Therefore, an interval of about 1 cm is provided between the power transmission coil 15 and the battery 16 or an electromagnetic shielding process is performed. As the type of the battery 16 provided in the portable charging unit 14, for example, a primary battery, a secondary battery, a fuel cell, or the like is used.

電子眼鏡用充電装置の動作説明をおこなう。電池切れが生じた場合、もしくは電池残量の警告表示がなされた場合に、携帯型充電部１４をモダン８に嵌め込む。携帯型充電部１４が嵌め込まれると、送電コイル１５から受電コイル１０へ電力が供給される。充電しながら眼鏡を使用したい場合は、そのまま眼鏡を装着し、充電が終了したら携帯型充電部１４を外して使用してもよい。   The operation of the electronic eyeglass charger will be described. The portable charging unit 14 is fitted into the modern 8 when the battery runs out or when a warning about the remaining battery level is displayed. When the portable charging unit 14 is fitted, power is supplied from the power transmission coil 15 to the power reception coil 10. If you want to use glasses while charging, you can wear glasses as they are, and remove the portable charger 14 when charging is complete.

以上のように、実施の形態２においては、携帯型充電部１４とモダン８を密着して固定させることにより、送電コイル１５と受電コイル１０の間隔を数ミリの距離で維持できることになり、高効率で充電がおこなうことができる。また、実施の形態２の携帯型充電部１４の材料として、例えば、シリコーン樹脂やエラストマー等の軟質材を用いると、頭部への痛みは少なくなり、充電中に眼鏡から携帯型充電部１４が外れにくくなるという効果がある。さらに、携帯型充電部１４の頭部へ接触する側ともう一方側の厚みが異なるため、左右両方に取り付ける場合でも、左右の取り違えを少なくすることができる。   As described above, in the second embodiment, the portable charging unit 14 and the modern 8 are fixed in close contact with each other, whereby the distance between the power transmission coil 15 and the power reception coil 10 can be maintained at a distance of several millimeters. Charging can be performed efficiently. Further, when a soft material such as silicone resin or elastomer is used as the material of the portable charging unit 14 according to the second embodiment, pain to the head is reduced, and the portable charging unit 14 is connected from the glasses during charging. There is an effect that it becomes difficult to come off. Further, since the thickness of the portable charging unit 14 that contacts the head is different from the thickness of the other side, even when the portable charging unit 14 is attached to both the left and right sides, it is possible to reduce the left-right mix.

図６は、本発明の第２の実施の形態における携帯型充電部１４の別の形態を示す。図６に示すように、携帯型充電部１４をモダン８に嵌め込み耳の裏を囲うような形状をしている。携帯型充電部１４の頭部と接触しない側に、送電コイル１５と制御回路１７を設け、送電コイル１５の下側、すなわち携帯型充電部１４の下端に電池１６を設ける。この構成にすることにより、携帯型充電部１４を薄型にすることができ、さらに、取り付け時の位置決めを確実にし、取り付け間違いをなくすることができる。   FIG. 6 shows another form of the portable charging unit 14 according to the second embodiment of the present invention. As shown in FIG. 6, the portable charging unit 14 is fitted into the modern 8 so as to surround the back of the ear. The power transmission coil 15 and the control circuit 17 are provided on the side that does not contact the head of the portable charging unit 14, and the battery 16 is provided on the lower side of the power transmission coil 15, that is, the lower end of the portable charging unit 14. By adopting this configuration, the portable charging unit 14 can be made thin, and positioning at the time of attachment can be ensured, and an attachment error can be eliminated.

図７は、本発明の第２の実施の形態における携帯型充電部１４の別の形態を示す。図７では、携帯型充電部１４の内側側面にスイッチ１８を設けているのが特徴である。携帯型充電部１４がモダン８に嵌め込まれ、モダン８がスイッチ１８に接触することにより、携帯型充電部１４の制御回路１７が駆動して充電動作が開始される。この構成にすることにより、充電時のみにスイッチ１８がＯＮされる凸部のない携帯充電部１４にすることができる。   FIG. 7 shows another form of the portable charging unit 14 according to the second embodiment of the present invention. FIG. 7 is characterized in that a switch 18 is provided on the inner side surface of the portable charging unit 14. When the portable charging unit 14 is fitted into the modern 8 and the modern 8 contacts the switch 18, the control circuit 17 of the portable charging unit 14 is driven to start the charging operation. With this configuration, it is possible to provide the portable charging unit 14 without a convex portion in which the switch 18 is turned on only during charging.

また、図８に示すように、携帯型充電部１４の内側奥にスイッチ１８設けても良い。モダン８が携帯型充電部１４の奥まで嵌め込まれ、モダン８の先端がスイッチ１８に接触することにより、携帯型充電部１４の制御回路１７が駆動して充電動作が開始される。この構成では、送電コイル１５と受電コイル１０が確実に同心円になる位置、すなわち効率が高い位置でスイッチ１８がＯＮされる。別の方法として、図９に示すように、スイッチ１８をセンサ、例えば、フォトダイオード１９とフォトトランジスタ２０としたことにより、モダン８がフォトダイオード１９とフォトトランジスタ２０の間を通過することで充電が開始される非接触式スイッチとなり、モダン８に傷をつけないようにすることができる。   Further, as shown in FIG. 8, a switch 18 may be provided at the inner back of the portable charging unit 14. When the modern 8 is fitted to the back of the portable charging unit 14 and the tip of the modern 8 comes into contact with the switch 18, the control circuit 17 of the portable charging unit 14 is driven to start a charging operation. In this configuration, the switch 18 is turned on at a position where the power transmission coil 15 and the power reception coil 10 are reliably concentric, that is, at a position where efficiency is high. As another method, as shown in FIG. 9, the switch 18 is a sensor, for example, a photodiode 19 and a phototransistor 20, so that the modern 8 passes between the photodiode 19 and the phototransistor 20 to be charged. It becomes a non-contact type switch to be started, and it can prevent the modern 8 from being damaged.

図１０は、本発明の実施の形態２における携帯型充電部１４の別の形態を示す。図１０において、携帯型充電部１４に発光体２１を設ける。発光体２１には、例えば、ＬＥＤなどを用いる。携帯型充電部１４に設けられたスイッチ１８がＯＮされた時、または、送電コイル１５と受電コイル１０が同心円の位置になった時に発光させる。充電が終了すると同時に発光をやめて通知する。   FIG. 10 shows another form of portable charging unit 14 according to Embodiment 2 of the present invention. In FIG. 10, a light emitter 21 is provided in the portable charging unit 14. For the light emitter 21, for example, an LED or the like is used. Light is emitted when the switch 18 provided in the portable charging unit 14 is turned on or when the power transmission coil 15 and the power reception coil 10 are in concentric positions. At the same time as charging ends, the flash is turned off and notification is sent.

（実施の形態３）
図１１は、本発明の実施の形態３における電子眼鏡用充電装置の側面図を示す。実施の形態２の構成と異なるところは、携帯型充電部１４に送電コイル１５と充電用二次電池２２と外部電源２３と接続するための外部端子２４を設けた点である。図１１において、携帯型充電部１４の頭部と接触しない側に、送電コイル１５と充電用二次電池２２と制御回路１７を設ける。さらに、外部電源２３、例えば、電池ボックスやＡＣ電源と接続するための外部端子２４が設けられる。この電子眼鏡用充電装置の動作は、駆動用二次電池１３を充電した後、モダン８から取り外した携帯型充電部１４と外部電源２３をケーブル２５で接続し、充電用二次電池２２を充電する。 (Embodiment 3)
FIG. 11 shows a side view of a charging device for electronic glasses according to Embodiment 3 of the present invention. The difference from the configuration of the second embodiment is that the portable charging unit 14 is provided with an external terminal 24 for connection to the power transmission coil 15, the charging secondary battery 22, and the external power supply 23. In FIG. 11, the power transmission coil 15, the charging secondary battery 22, and the control circuit 17 are provided on the side of the portable charging unit 14 that does not contact the head. Furthermore, an external power source 23, for example, an external terminal 24 for connecting to a battery box or an AC power source is provided. The electronic spectacle charging device operates by charging the driving secondary battery 13 and then connecting the portable charging unit 14 removed from the modern 8 and the external power source 23 with a cable 25 to charge the charging secondary battery 22. To do.

以上のように、実施の形態３においては、携帯型充電部１４だけを充電し、充電完了した携帯型充電部１４を携帯するだけで眼鏡の充電ができるため、より携帯性が高まった再充電可能な電子眼鏡用充電装置となる。また、実施の形態３の携帯型充電部１４を外部電源２３に収納できる構造としたことにより、充電しながら持ち運ぶことができ、充電中の携帯性を高めることもできる。   As described above, in the third embodiment, only the portable charging unit 14 is charged, and the charging of the glasses can be performed only by carrying the charged portable charging unit 14. It becomes a possible charging device for electronic glasses. In addition, since the portable charging unit 14 according to the third embodiment is configured to be housed in the external power source 23, the portable charging unit 14 can be carried while being charged, and portability during charging can be improved.

本発明にかかる電子眼鏡用充電装置は、装着中の充電でもデザイン性を損なうことなく、高耐水性でかつ高効率に充電が可能な携帯型充電装置として有用である。   The charging device for electronic glasses according to the present invention is useful as a portable charging device that can be charged with high water resistance and high efficiency without impairing the design even during charging during wearing.

一般的な電子眼鏡の概略図Schematic diagram of general electronic glasses 本発明の実施の形態１における電子眼鏡の側面図Side view of electronic spectacles in Embodiment 1 of the present invention 本発明の実施の形態１における別の電子眼鏡の側面図Side view of another electronic spectacle according to Embodiment 1 of the present invention. 本発明の実施の形態２における電子眼鏡と電子眼鏡用充電装置の概略図Schematic diagram of electronic glasses and charging device for electronic glasses in Embodiment 2 of the present invention 本発明の実施の形態２における電子眼鏡用充電装置の構成図Configuration diagram of charging apparatus for electronic glasses according to Embodiment 2 of the present invention 本発明の実施の形態２における別の電子眼鏡用充電装置の側面図Side view of another charging device for electronic glasses according to Embodiment 2 of the present invention. 本発明の実施の形態２における別の電子眼鏡用充電装置の側面図Side view of another charging device for electronic glasses according to Embodiment 2 of the present invention. 本発明の実施の形態２における別の電子眼鏡用充電装置の上面図Top view of another charging apparatus for electronic glasses according to Embodiment 2 of the present invention 本発明の実施の形態２における別の電子眼鏡用充電装置の側面図Side view of another charging device for electronic glasses according to Embodiment 2 of the present invention. 本発明の実施の形態２における別の電子眼鏡用充電装置の側面図Side view of another charging device for electronic glasses according to Embodiment 2 of the present invention. 本発明の実施の形態３における電子眼鏡用充電装置の側面図Side view of charging device for electronic glasses according to Embodiment 3 of the present invention

符号の説明Explanation of symbols

１ 可変焦点レンズ
２ フレーム
３ リム
４ ブリッジ
５ テンプル
６ ヨロイ
７ ヒンジ
８ モダン
９ ノーズパッド
１０ 受電コイル
１１ 電源制御回路
１２ 駆動回路
１３ 駆動用二次電池
１４ 携帯型充電部
１５ 送電コイル
１６ 電池
１７ 制御回路
１８ スイッチ
１９ フォトダイオード
２０ フォトトランジスタ
２１ 発光体
２２ 充電用二次電池
２３ 外部電源
２４ 外部端子
２５ ケーブル DESCRIPTION OF SYMBOLS 1 Variable focus lens 2 Frame 3 Rim 4 Bridge 5 Temple 6 Yoro 7 Hinge 8 Modern 9 Nose pad 10 Power receiving coil 11 Power supply control circuit 12 Drive circuit 13 Secondary battery for driving 14 Portable charging part 15 Power transmission coil 16 Battery 17 Control circuit 18 Switch 19 Photodiode 20 Phototransistor 21 Light emitter 22 Rechargeable battery 23 External power supply 24 External terminal 25 Cable

Claims (9)

可変焦点レンズと、
前記可変焦点レンズを取り付けたフレームと、
前記可変焦点レンズを駆動するための駆動回路と、
前記駆動回路の駆動用電池と、
前記駆動用電池を電磁誘導にて充電するための受電コイルを備えたモダンとからなる電子眼鏡。 A variable focus lens,
A frame to which the variable focus lens is attached;
A drive circuit for driving the variable focus lens;
A battery for driving the drive circuit;
Electronic glasses comprising modern power receiving coils for charging the drive battery by electromagnetic induction. 前記モダンは、樹脂材料で形成されている請求項１に記載の電子眼鏡。 The electronic glasses according to claim 1, wherein the modern is made of a resin material. 前記モダンは、比透磁率が１．００００００４未満である物質からなる請求項１に記載の電子眼鏡。 The electronic glasses according to claim 1, wherein the modern is made of a material having a relative permeability of less than 1.000004. 請求項１に記載の電子眼鏡に用いる充電装置において、
前記モダン部を貫通するように嵌め込み前記受電コイルに電力を供給するための送電コイルが対向した位置に配置されている充電装置。 In the charging device used for the electronic glasses according to claim 1,
A charging device in which a power transmission coil that is fitted so as to penetrate the modern portion and supplies power to the power receiving coil is disposed at a facing position. 請求項１に記載の電子眼鏡に用いる充電装置において、
前記モダン部を包み込むように嵌め込み前記受電コイルに電力を供給するための送電コイルが対向した位置に配置されている充電装置。 In the charging device used for the electronic glasses according to claim 1,
A charging device in which a power transmission coil that is fitted so as to wrap around the modern portion and supplies power to the power receiving coil is disposed at a facing position. 前記充電装置は、耳の裏を囲う形状をした請求項４又は５に記載の充電装置。 The charging device according to claim 4 or 5, wherein the charging device has a shape surrounding a back of an ear. 前記充電装置は、携帯型充電部の内側に充電開始を行うスイッチを備えた請求項４又は５に記載の充電装置。 The said charging device is a charging device of Claim 4 or 5 provided with the switch which starts charge inside a portable charging part. 前記充電装置は、携帯型充電部に発光体を備えた４又は５に記載の充電装置。 The charging device according to 4 or 5, wherein the charging device includes a light emitter in a portable charging unit. 前記充電装置は、送電コイルと充電用二次電池と外部電源と接続するための外部端子を備えた請求項４又は５に記載の充電装置。 The charging device according to claim 4, wherein the charging device includes an external terminal for connecting to a power transmission coil, a secondary battery for charging, and an external power source.
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