WO2009122848A1 - 光通信構造 - Google Patents
光通信構造 Download PDFInfo
- Publication number
- WO2009122848A1 WO2009122848A1 PCT/JP2009/054078 JP2009054078W WO2009122848A1 WO 2009122848 A1 WO2009122848 A1 WO 2009122848A1 JP 2009054078 W JP2009054078 W JP 2009054078W WO 2009122848 A1 WO2009122848 A1 WO 2009122848A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical communication
- communication element
- optical
- optical signal
- housing
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 231
- 230000007257 malfunction Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
- G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1143—Bidirectional transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3604—Rotary joints allowing relative rotational movement between opposing fibre or fibre bundle ends
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
Definitions
- the present invention relates to an optical communication structure that performs optical communication using an optical signal between a first casing and a second casing that slide relative to each other.
- the portable electronic device described in Patent Document 1 has a structure in which both housings composed of a first unit and a second unit are connected so as to be opened and closed by sliding movement. With such a structure, when the portable electronic device is not used, the size can be reduced by sliding the casings in the closing direction. On the other hand, when the portable electronic device is used, each function provided in the portable electronic device can be used by sliding and moving in the direction in which both housings are opened.
- both housings are provided with optical communication elements so that optical communication can be performed between both housings even when both housings are slid and relatively displaced. And according to the sliding movement of both housing
- Patent Document 1 includes a parallel light forming lens for forming parallel light before and after communication light irradiated from one optical communication element passes through a space serving as a light transmission path, and communication light.
- a parallel light forming lens for forming parallel light before and after communication light irradiated from one optical communication element passes through a space serving as a light transmission path, and communication light.
- light is incident on the other optical communication element via a shift lens that changes the optical path to a predetermined angle.
- the relative positional relationship between the parallel light forming lens and the shift lens is very important, and high accuracy is required for assembly. Therefore, if the accuracy cannot be maintained, a communication error may occur between the two optical communication elements.
- JP 2003-348203 A paragraph numbers 0008, 0010, 0032, etc.
- an object of the present invention is to perform appropriate optical communication between a pair of optical communication elements provided in each housing even when a pair of housings that are slidable with respect to each other is slid. It is to provide a possible optical communication structure.
- the optical communication structure according to the present invention is characterized in that in order to perform optical communication using an optical signal between a first housing and a second housing that slide relative to each other, A first optical communication element that is provided in one case and transmits the optical signal; and a second optical communication element that is provided in the second case and receives an optical signal transmitted from the first optical communication element; A slide module that moves the slide and stops the slide movement at a predetermined stop position, and one of the first casing and the second casing, and reflects the optical signal. And a light guide plate on which the same number of reflecting portions as the stop position are formed.
- the reflection part that reflects the optical signal is provided according to the stop position of the slide movement, the first light can be obtained even when the first housing and the second housing are slid to each other.
- the optical signal transmitted from the communication element can be reliably reflected to the second optical communication element. Therefore, it is possible to appropriately perform optical communication between the first optical communication element and the second optical communication element.
- a light emitting surface included in the first optical communication element and a light receiving surface included in the second optical communication element are provided so as to be orthogonal to each other, and the reflection unit transmits light transmitted from the first optical communication element. It is preferable that the signal is formed so as to reflect at right angles to the second optical communication element.
- the reflecting portion reflects the optical signal at a right angle, a slight positional deviation between the first optical communication element and the second optical communication element can be tolerated. Therefore, the production yield can be improved.
- an optical communication element provided in a casing of the first casing and the second casing that is not provided with the light guide plate is provided to move in parallel with the light guide plate. It is preferable that
- the reflecting portion formed on the light guide plate and the optical communication element can be easily positioned according to the sliding movement performed between the first housing and the second housing. It becomes possible. Therefore, it is possible to use the reflecting portion of the light guide plate according to the slide position, and it is possible to appropriately perform optical communication between the first optical communication element and the second optical communication element.
- a lens portion for adjusting a focal point of the optical signal reflected by the reflecting portion is formed on the light guide plate.
- the lens center of the lens portion is decentered.
- Such a configuration can prevent the optical signal from returning to the light emitting surface even when the optical signal is reflected from the light receiving surface. Therefore, malfunction of the optical communication element provided with the light emitting surface can be prevented.
- FIG. 1 is a diagram showing a schematic configuration of a mobile phone 1 having an optical communication structure according to the present embodiment.
- the optical communication structure according to the present invention is an optical communication using an optical signal between a first casing 2 and a second casing 3 that are slid and moved in a portable terminal such as a mobile phone 1 or a portable music player. The function to perform.
- the optical communication structure will be described as an example when applied to the mobile phone 1.
- the mobile phone 1 includes a first housing 2 and a second housing 3 that slide to each other.
- the first housing 2 is provided with a plurality of buttons 2 a that are used when performing various operations provided in the mobile phone 1.
- the various operations correspond to, for example, an operation of inputting a telephone number of a call destination when using the telephone function of the mobile phone 1 or inputting character information when using an e-mail function.
- an operation for photographing a subject when using the camera function or selecting a reception frequency of the tuner when using a television function is included.
- the second housing 3 is provided with a display screen 3a for displaying various information and a plurality of buttons 3b.
- Various information is information according to the various operations described above. More specifically, the various information corresponds to, for example, a telephone number or character information input by the button 2a when using a telephone function or an electronic mail function. When used as a camera function, it corresponds to a subject displayed on the display screen 3a used as a viewfinder when photographing a subject. When used as a television function, the received program is included in the above information.
- a first control unit (not shown) provided in the first housing 2 and a second control unit (not shown) provided in the second housing 3 It is necessary to communicate in order to send and receive data and the like.
- this communication is performed by optical communication using an optical signal not accompanied by a signal line.
- the optical communication is provided in the first casing 2 and is provided in the first optical communication element 12 that transmits an optical signal and the second casing 3 and is transmitted from the first optical communication element 12. This is realized by the second optical communication element 13 that receives the received optical signal.
- the first optical communication element 12 is provided in the first housing 2, and the second optical communication element 13 is provided in the second housing 3. Therefore, the optical communication performed between the first optical communication element 12 and the second optical communication element 13 is also performed inside the casings of the first casing 2 and the second casing 3.
- the first optical communication element 12 and the second optical communication element 13 include a light emitting surface 12 a included in the first optical communication element 12 and a light receiving surface 13 a included in the second optical communication element 13. They are provided so as to be orthogonal to each other. Therefore, in order for the second optical communication element 13 to receive the optical signal transmitted from the first optical communication element 12, it is necessary to change the optical axis of the optical signal.
- a light guide plate 4 is provided in this optical communication structure.
- the light guide plate 4 is provided in one of the first housing 2 and the second housing 3, and a reflection portion 5 that reflects an optical signal is formed.
- the light guide plate 4 will be described as being provided in the second housing 3.
- the light guide plate 4 is also provided in the housing of the second housing 3 in the same manner as the first optical communication element 12 and the second optical communication element 13 described above.
- the light guide plate 4 is formed with three reflecting portions 5 (5a, 5b, 5c). Although details will be described later, the reflecting portions 5a, 5b, and 5c change the optical axis of the optical signal as incident light according to the angle at which each reflecting portion is formed. Therefore, the light guide plate 4 causes the optical axis of the optical signal transmitted from the first optical communication element 12 to be directed in the direction of the second optical communication element 13 by the reflecting portions 5a, 5b, and 5c formed on the light guide plate 4. Works to change.
- the mobile phone 1 provided with the optical communication structure according to the present invention is composed of the first casing 2 and the second casing 3 that slide to each other as described above.
- This slide movement is realized by a slide module (not shown) provided in the mobile phone 1.
- the slide module has a function of sliding the first housing 2 and the second housing 3 with each other as described above and stopping the sliding movement at a predetermined stop position set in advance.
- the predetermined stop position is a position where the slide movement is stopped.
- This stop position is preset by the slide module. In the present embodiment, description will be made assuming that the positions where the slide movement is stopped are three positions as shown in FIG.
- FIG. 2 (a) shows a state where the sliding distance between the first housing 2 and the second housing 3 is the shortest.
- this state is referred to as a first state.
- FIG. 2C shows a state in which the slide distance between the first housing 2 and the second housing 3 is the longest.
- this state is referred to as a third state.
- FIG. 2B shows a state that is approximately half the sliding distance in the third state.
- this state is referred to as a second state.
- the stop position includes three positions corresponding to the first state, the second state, and the third state. And as for the above-mentioned reflective part 5, the same number of reflective parts 5a, 5b, and 5c as this stop position are formed (refer to Drawing 1).
- the light emitting surface 12a of the first optical communication element 12 and the light receiving surface 13a of the second optical communication element 13 are provided so as to be orthogonal to each other. Therefore, the reflecting portion 5 formed on the light guide plate 4 is formed so as to reflect the optical signal output from the first optical communication element 12 at a right angle with respect to the other of the second optical communication element 13. This will be described below with reference to the drawings.
- FIG. 3 is a schematic diagram showing the positional relationship between the first optical communication element 12, the second optical communication element 13, and the light guide plate 4.
- the components other than the first optical communication element 12, the second optical communication element 13, and the light guide plate 4 are omitted.
- the optical communication element provided in the casing that is not provided with the light guide plate 4 is provided so as to move in parallel with the light guide plate 4. That is, in the present embodiment, as indicated by the white arrow 30 in FIG. 3, the optical communication element 12 provided in the first housing 2 not provided with the light guide plate 4 is parallel to the light guide plate 4. Provided to move.
- the first optical communication element 12 is located at the position A shown in FIG.
- the optical signal transmitted from the light emitting surface 12a of the first optical communication element 12 is transmitted toward the reflecting portion 5a formed on the light guide plate 4 as indicated by a line 20a (dashed line) ( Light emission).
- the reflection unit 5a reflects the transmitted optical signal in the orthogonal direction.
- the optical axis of the optical signal transmitted from the light emitting surface 12a is changed in the orthogonal direction by the reflecting portion 5a. Therefore, it is preferable that the formation angle ⁇ of the reflecting portion 5a is 45 degrees.
- the optical signal reflected by the reflecting portion 5 a is propagated along the light guide plate 4.
- the focus of the optical signal reflected by the reflecting portion 5a is adjusted to the light guide plate 4 so that the optical signal propagating through the light guide plate 4 is appropriately received by the light receiving surface 13a of the second optical communication element 13.
- a lens portion 6 is formed.
- the optical signal reflected by the reflecting unit 5 a is changed in optical axis by the lens unit 6 and can be appropriately received (received) by the light receiving surface 13 a of the second optical communication element 13.
- the first optical communication element 12 is located at the position B shown in FIG.
- the optical signal transmitted from the light emitting surface 12a of the first optical communication element 12 is transmitted (light emission) toward the reflecting portion 5b formed on the light guide plate 4 as indicated by a line 20b (dotted line).
- the reflection unit 5b reflects the transmitted optical signal in the orthogonal direction. That is, the optical axis of the optical signal transmitted from the light emitting surface 12a is changed in the orthogonal direction by the reflecting portion 5b. Therefore, the formation angle ⁇ of the reflection part 5b is also preferably 45 degrees.
- the optical signal reflected by the reflecting portion 5 b is propagated along the light guide plate 4.
- the optical signal reflected by the reflection unit 5 b is changed in optical axis by the lens unit 6 and appropriately received (received) by the light receiving surface 13 a of the second optical communication element 13.
- the first optical communication element 12 is located at the position C shown in FIG.
- the optical signal transmitted from the light emitting surface 12a of the first optical communication element 12 is transmitted toward the reflecting portion 5c formed on the light guide plate 4 as indicated by a line 20c (two-dot chain line). (Light emission).
- the reflection unit 5c reflects the transmitted optical signal in the orthogonal direction. That is, the optical signal of the optical signal transmitted from the light emitting surface 12a is changed in the orthogonal direction by the reflecting portion 5c. Therefore, the formation angle ⁇ of the reflection portion 5c is also preferably 45 degrees.
- the optical signal reflected by the reflecting portion 5 c is propagated along the light guide plate 4.
- the optical signal reflected by the reflection unit 5 c is changed in optical axis by the lens unit 6 and appropriately received (received) by the light receiving surface 13 a of the second optical communication element 13.
- the second optical communication element 13 can appropriately receive the optical signal transmitted from the first optical communication element 12.
- the optical signal reflected by the reflecting portion 5 b passes through the lens center of the lens portion 6 and irradiates the light receiving surface 13 a of the second optical communication element 13. Is done.
- the optical signal may be reflected by the light receiving surface 13a and returned to the first optical communication element 12, and the first optical communication element 12 may malfunction due to such a returned optical signal.
- it is preferable that such a malfunction can be prevented.
- FIG. 4 is a diagram showing an example of a structure suitable for preventing the malfunction described above.
- the lens center of the lens portion 6 of the light guide plate 4 shown in FIG. 4 is formed to be decentered. Therefore, the optical signal reflected from the light receiving surface 13a of the second optical communication element 13 can be prevented from returning to the first optical communication element 12.
- FIG. 5 is a diagram showing another example of a structure suitable for preventing malfunction.
- 5 are positions where the optical signals reflected by the respective reflecting portions 5a, 5b, and 5c are adjusted so that they do not pass through the lens center 6a of the lens portion 6.
- An adjustment unit 7 is formed.
- the position of the reflection portion 5 b is adjusted (by providing the position adjustment portion 7, the position of the reflection portion 5 b with respect to the short direction of the light guide plate 4 is shifted from the lens center 6 a).
- An example is shown. With such a malfunction prevention structure, it is possible to reliably prevent the optical signal reflected from the light receiving surface 13a of the second optical communication element 13 from returning to the first optical communication element 12.
- the optical signal transmitted from the first optical communication element 12 can be transmitted to the second optical communication element 13 even when the first casing 2 and the second casing 3 are slid to each other.
- the optical communication structure based on this invention was demonstrated as an example at the time of providing the mobile telephone 1 with it.
- the scope of application of the present invention is not limited to this.
- it can also be applied to a portable music player.
- it is naturally possible to apply the present invention to a terminal having a plurality of casings that slide relative to each other.
- the first optical communication element 12 transmits an optical signal
- the second optical communication element 13 receives an optical signal transmitted from the first optical communication element 12.
- the scope of application of the present invention is not limited to this.
- the light emission surface 12a which the 1st optical communication element 12 has, and the light-receiving surface 13a which the 2nd optical communication element 13 has are provided so that it may mutually orthogonally cross, and the reflection part 5 is provided with the 1st optical communication element 12.
- the optical signal transmitted from is formed so as to be reflected at right angles to the second optical communication element 13.
- the scope of application of the present invention is not limited to this. Even if the light emitting surface 12 a included in the first optical communication element 12 and the light receiving surface 13 a included in the second optical communication element 13 are not provided so as to be orthogonal to each other, the reflection unit 5 is separated from the first optical communication element 12. If the transmitted optical signal is configured to reflect the second optical communication element 13, it is naturally possible to perform optical communication between the first optical communication element 12 and the second optical communication element 13.
- the optical signal transmitted from the first optical communication element 12 has been described as being received by the second optical communication element 13.
- the scope of application of the present invention is not limited to this.
- the first optical communication element 12 and the second optical communication element 13 are configured from an optical communication module that transmits and receives an optical signal
- the optical signal transmitted from the second optical communication element 13 is used as the second optical signal communication.
- the lens body 6 capable of adjusting the focus of the optical signal is provided on the first optical communication element 12 among the surfaces of the light guide plate 4.
- the present invention can be used for optical communication performed between a pair of optical communication elements provided in each casing when a pair of casings slidable with respect to each other is slid.
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- Optics & Photonics (AREA)
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Abstract
Description
上記実施形態では、本発明に係る光通信構造を携帯電話1に備えた場合の例として説明した。しかしながら、本発明の適用範囲は、これに限定されるものではない。携帯音楽プレーヤーに適用することも当然に可能である。また、その他にも、互いにスライド移動する複数の筐体を備えた端末に適用することは、当然に可能である。
Claims (5)
- 互いにスライド移動する第1筐体と第2筐体との間で光信号を用いた光通信を行う光通信構造であって、
前記第1筐体に備えられ、前記光信号を送信する第1光通信素子と、
前記第2筐体に備えられ、前記第1光通信素子から送信された光信号を受信する第2光通信素子と、
前記スライド移動をさせると共に、前記スライド移動を予め設定された所定の停止位置で停止させるスライドモジュールと、
前記第1筐体及び前記第2筐体の一方に備えられ、前記光信号を反射し、前記停止位置と同じ数の反射部が形成された導光板と、
を備えた光通信構造。 - 前記第1光通信素子が有する発光面と前記第2光通信素子が有する受光面とが、互いに直交するように備えられ、
前記反射部が、前記第1光通信素子から送信された光信号を、前記第2光通信素子に対して直角に反射するように形成されてある請求の範囲第1項に記載の光通信構造。 - 前記第1筐体及び前記第2筐体のうち、前記導光板が備えられていない方の筐体に備えられる光通信素子が、前記導光板に対して平行移動するように備えられている請求の範囲第1項又は第2項に記載の光通信構造。
- 前記導光板に、前記反射部で反射された光信号の焦点を調節するレンズ部が形成されてある請求の範囲第1項から第3項のいずれか一項に記載の光通信構造。
- 前記レンズ部のレンズ中心が、偏心されてある請求の範囲第4項に記載の光通信構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09728891A EP2273765A4 (en) | 2008-04-03 | 2009-03-04 | OPTICAL COMMUNICATION STRUCTURE |
CN2009801119797A CN101983500A (zh) | 2008-04-03 | 2009-03-04 | 光通信结构 |
US12/933,928 US20110105203A1 (en) | 2008-04-03 | 2009-03-04 | Optical Communication Structure |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-097332 | 2008-04-03 | ||
JP2008097332A JP2009253541A (ja) | 2008-04-03 | 2008-04-03 | 光通信構造 |
Publications (1)
Publication Number | Publication Date |
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WO2009122848A1 true WO2009122848A1 (ja) | 2009-10-08 |
Family
ID=41135240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/054078 WO2009122848A1 (ja) | 2008-04-03 | 2009-03-04 | 光通信構造 |
Country Status (7)
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US (1) | US20110105203A1 (ja) |
EP (1) | EP2273765A4 (ja) |
JP (1) | JP2009253541A (ja) |
KR (1) | KR20110002842A (ja) |
CN (1) | CN101983500A (ja) |
TW (1) | TW201003954A (ja) |
WO (1) | WO2009122848A1 (ja) |
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KR20220087399A (ko) | 2020-12-17 | 2022-06-24 | 이인호 | 식물복지를 고려한 친환경 낙과 및 낙엽 수거장치 |
KR20220139075A (ko) * | 2021-04-07 | 2022-10-14 | 삼성전자주식회사 | 광 센서를 포함하는 전자 장치 |
KR20230060912A (ko) | 2021-10-28 | 2023-05-08 | 이인호 | 중심링을 구비한 친환경 낙과 및 낙엽 수거장치 |
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US5889602A (en) * | 1996-12-10 | 1999-03-30 | Motorola, Inc. | Optical hinge |
JP2003348203A (ja) | 2002-05-27 | 2003-12-05 | Matsushita Electric Ind Co Ltd | ユニット間通信装置及びこれを備えた携帯電子機器 |
JP2007184676A (ja) * | 2006-01-04 | 2007-07-19 | Toshiba Corp | 携帯電子機器 |
Family Cites Families (9)
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JP3641983B2 (ja) * | 1998-11-10 | 2005-04-27 | 日産自動車株式会社 | 移動電話機保持装置 |
JP2003179678A (ja) * | 2001-10-03 | 2003-06-27 | Nec Corp | 携帯電話機 |
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- 2009-03-04 US US12/933,928 patent/US20110105203A1/en not_active Abandoned
- 2009-03-04 EP EP09728891A patent/EP2273765A4/en not_active Withdrawn
- 2009-03-04 WO PCT/JP2009/054078 patent/WO2009122848A1/ja active Application Filing
- 2009-03-04 KR KR1020107021994A patent/KR20110002842A/ko not_active Application Discontinuation
- 2009-03-17 TW TW098108581A patent/TW201003954A/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
EP2273765A1 (en) | 2011-01-12 |
JP2009253541A (ja) | 2009-10-29 |
CN101983500A (zh) | 2011-03-02 |
US20110105203A1 (en) | 2011-05-05 |
KR20110002842A (ko) | 2011-01-10 |
TW201003954A (en) | 2010-01-16 |
EP2273765A4 (en) | 2012-02-29 |
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