JPH08242205A - Portable electronic equipment with infrared-ray communication function - Google Patents
Portable electronic equipment with infrared-ray communication functionInfo
- Publication number
- JPH08242205A JPH08242205A JP7045571A JP4557195A JPH08242205A JP H08242205 A JPH08242205 A JP H08242205A JP 7045571 A JP7045571 A JP 7045571A JP 4557195 A JP4557195 A JP 4557195A JP H08242205 A JPH08242205 A JP H08242205A
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- portable electronic
- electronic device
- transmitting
- electronic equipment
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、携帯型電子機器に関
し、特に、赤外線通信機能を有する携帯型電子機器に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device, and more particularly to a portable electronic device having an infrared communication function.
【０００２】[0002]
【従来の技術】従来、携帯情報端末やノートパソコン等
の携帯型電子機器２１は、図５に示すように、赤外線
（インフラレッド）送受光素子部２２を電子機器本体に
有している。そのため、赤外線送受光素子部２４を有す
る携帯型電子機器２３と赤外線通信を行うことができ
る。2. Description of the Related Art Conventionally, a portable electronic device 21, such as a portable information terminal or a notebook computer, has an infrared (infrared) transmitting / receiving element section 22 in the electronic device body as shown in FIG. Therefore, infrared communication can be performed with the portable electronic device 23 having the infrared transmitting / receiving element unit 24.
【０００３】[0003]
【発明が解決しようとする課題】従来の赤外線通信機能
付携帯型電子機器では、赤外線送受光素子部が電子機器
本体の一箇所に固定されているため、携帯型電子機器同
志で赤外線通信を行うためには、携帯型電子機器の赤外
線送受光素子部を互いに向かい合う位置に向けなければ
ならない。In the conventional portable electronic equipment with infrared communication function, the infrared transmitting / receiving element portion is fixed to one place of the electronic equipment main body, so that infrared communication is carried out by the portable electronic equipment. In order to do so, the infrared transmitting / receiving element parts of the portable electronic device must be directed to the positions facing each other.
【０００４】したがって、携帯型電子機器の向きあるい
は位置を容易に変えられない場合、例えば、会議の席で
赤外線通信をしようとしている者同志が対座していない
場合には、通信相手の電子機器の赤外線送受光素子部と
自分の電子機器の赤外線送受光素子部を向かい合うよう
にしなければならず、非常に使い勝手が悪いという問題
がある。Therefore, when the orientation or position of the portable electronic device cannot be easily changed, for example, when the persons trying to perform infrared communication at the conference table are not sitting together, the electronic device of the communication partner It is necessary to make the infrared ray transmitting / receiving element section and the infrared ray transmitting / receiving element section of the own electronic device face each other, which is very inconvenient.
【０００５】また、方向の異なる複数の相手と同時に通
信することはできなかった。Further, it has not been possible to simultaneously communicate with a plurality of parties having different directions.
【０００６】本発明の目的は、上述した課題を解決し、
電子機器本体の向きあるいは位置を変えなくても、赤外
線通信を可能にする携帯型電子機器を提供することにあ
る。The object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide a portable electronic device that enables infrared communication without changing the orientation or position of the electronic device body.
【０００７】本発明の他の目的は、複数の相手電子機器
と同時に通信を行うことができる携帯型電子機器を提供
することにある。Another object of the present invention is to provide a portable electronic device which can communicate with a plurality of partner electronic devices at the same time.
【０００８】[0008]
【課題を解決するための手段】上述した目的を達成する
ために、本発明による携帯型電子機器は、複数の赤外線
送受光手段と、前記複数の赤外線送受光手段の中から使
用する赤外線送受光手段を選択する選択手段と、を有し
ている。In order to achieve the above-mentioned object, a portable electronic device according to the present invention is provided with a plurality of infrared ray transmitting / receiving means, and infrared ray transmitting / receiving means to be used from among the infrared ray transmitting / receiving means. Selecting means for selecting means.
【０００９】前記複数の赤外線送受光手段は前記電子機
器筐体の各面に１つづつ有することが好ましい。It is preferable that each of the plurality of infrared ray transmitting / receiving means is provided on each surface of the electronic equipment casing.
【００１０】また、前記選択手段が、前記複数の赤外線
送受光手段とそれぞれ接続された複数のスイッチと、入
力手段と、前記入力手段より入力された選択信号に応じ
て前記複数のスイッチの中で前記選択信号に対応するス
イッチをオン状態にする制御手段と、を有している。Further, the selecting means includes a plurality of switches respectively connected to the plurality of infrared ray transmitting / receiving means, an input means, and among the plurality of switches according to a selection signal input from the input means. Control means for turning on a switch corresponding to the selection signal.
【００１１】[0011]
【作用】上述した構成の採用により、本発明による携帯
型電子機器は、複数の赤外線送受光素子部から使用者の
希望する方向にある赤外線送受光素子部を選択して使用
することができるので、電子機器本体の方向を変えるこ
となく、希望する相手と赤外線通信を行うことができ
る。By adopting the above-mentioned structure, the portable electronic device according to the present invention can select and use the infrared transmitting / receiving element section in the direction desired by the user from the plurality of infrared transmitting / receiving element sections. , It is possible to perform infrared communication with a desired partner without changing the direction of the electronic device body.
【００１２】また、複数の電子機器と同時に通信を行う
ことができる。Further, it is possible to communicate with a plurality of electronic devices at the same time.
【００１３】[0013]
【実施例】次に本発明について図面を参照して詳細に説
明する。The present invention will be described in detail with reference to the drawings.
【００１４】図１（ａ）および（ｂ）は、それぞれ本発
明の一実施例を示す外観斜視図および平面図である。1A and 1B are an external perspective view and a plan view, respectively, showing an embodiment of the present invention.
【００１５】携帯型電子機器１１は、複数の赤外線送受
光素子部１２、１３、１４および１５と、ディスプレイ
１６と、キーパッド１７とを有している。The portable electronic device 11 has a plurality of infrared ray transmitting / receiving element sections 12, 13, 14 and 15, a display 16 and a keypad 17.
【００１６】キーパッド１７は複数の操作パッドを有し
ていて、これらのパッドを操作することにより、必要な
情報がディスプレイ１６上に表示される。また、このキ
ーパッド１７は、複数の赤外線送受光素子部１２乃至１
５のうち使用する赤外線送受光素子部を選択するために
も用いられる。The keypad 17 has a plurality of operation pads. By operating these pads, necessary information is displayed on the display 16. Further, the keypad 17 includes a plurality of infrared ray transmitting / receiving element portions 12 to 1
It is also used to select the infrared transmission / reception element part to be used out of 5.
【００１７】図２は本発明の携帯型電子機器の構成ブロ
ック図を示している。同図において、携帯型電子機器１
１は、図１に示した赤外線送受光素子部１２乃至１５お
よびキーパッド１７の他に、切り換えスイッチ１８、１
９、２０および２１と、赤外線送受信機部２２と、モデ
ム部２３と、制御部２４と、ユーザーインタフェース２
５とを有している。赤外線送受光部１２、１３、１４お
よび１５はそれぞれスイッチ１８、１９、２０および２
１に接続されている。FIG. 2 is a block diagram showing the configuration of the portable electronic device of the present invention. In the figure, a portable electronic device 1
Reference numeral 1 denotes a changeover switch 18, 1 in addition to the infrared ray transmitting / receiving element portions 12 to 15 and the keypad 17 shown in FIG.
9, 20 and 21, an infrared transmitter / receiver unit 22, a modem unit 23, a control unit 24, and a user interface 2
5 and 5. The infrared ray transmitting / receiving units 12, 13, 14 and 15 are provided with switches 18, 19, 20 and 2 respectively.
Connected to 1.
【００１８】赤外線の送出について、ユーザーインタフ
ェース２３あるいはキーパッド１７から入力された情報
は、制御部２２の制御により、モデム部２１で変調さ
れ、赤外線送受信機部２０を介して選択された赤外線送
受光部から相手先電子機器へ送出される。このとき、選
択された赤外線送受光部と接続されたスイッチはオン状
態となっている。それ以外のスイッチは、オフ状態とな
っている。Regarding the transmission of infrared rays, the information inputted from the user interface 23 or the keypad 17 is modulated by the modem section 21 under the control of the control section 22, and the infrared transmission / reception selected through the infrared transceiver section 20. Sent from the department to the other party's electronic device. At this time, the switch connected to the selected infrared transmitter / receiver is in the ON state. The other switches are off.
【００１９】使用する赤外線送受光部の選択はキーパッ
ド１７および制御部２４により行われる。使用者が赤外
線通信に際して、相手側電子機器の方向にある赤外線送
受光部をキーパッド１７で選択する。そして、制御部２
４は、キーパッド１７からの選択信号を受けて、その赤
外線送受光部に接続されたスイッチをオン状態にする。
例えば、赤外線送受光部１２を選択するとスイッチ１８
がオン状態となる。スイッチ１３乃至１５はオフ状態を
維持する。The infrared transmitter / receiver to be used is selected by the keypad 17 and the controller 24. During infrared communication, the user selects the infrared transmitter / receiver in the direction of the partner electronic device with the keypad 17. And the control unit 2
4 receives the selection signal from the keypad 17, and turns on the switch connected to the infrared transmitting / receiving unit.
For example, if the infrared transmitter / receiver 12 is selected, the switch 18
Turns on. The switches 13 to 15 maintain the off state.
【００２０】このようにして、必要な方向だけに赤外線
が送出される。In this way, infrared rays are transmitted only in the necessary directions.
【００２１】一方、赤外線の受信について、相手先電子
機器からの情報は、赤外線送受光素子部１２乃至１５の
うち選択された赤外線送受光部で受光され、その赤外線
送受光部と接続されたスイッチおよび赤外線送受信機部
２２を介してモデム部２３で復調され、制御部２４の制
御により、ディスプレイ１６あるいはユーザーインタフ
ェース２５に出力される。On the other hand, regarding the reception of infrared rays, the information from the other party's electronic device is received by the infrared transmission / reception section selected from the infrared transmission / reception element sections 12 to 15, and the switch connected to the infrared transmission / reception section. The signal is demodulated by the modem unit 23 via the infrared transmitter / receiver unit 22 and output to the display 16 or the user interface 25 under the control of the control unit 24.
【００２２】赤外線受光部の選択は、上述した赤外線の
送出時と同様に行われる。つまり、使用者が、相手側電
子機器の方向にある赤外線送受光部をキーパッド１７で
選択すると、制御部２４は、キーパッド１７からの選択
信号を受けて、その赤外線送受光部に接続されたスイッ
チをオン状態にする。例えば、赤外線送受光部１３を選
択するとスイッチ１９がオン状態となる。スイッチ１
２、１３および１５はオフ状態を維持する。The selection of the infrared ray receiving section is performed in the same manner as the above-mentioned infrared ray transmission. That is, when the user selects the infrared transmitter / receiver in the direction of the partner electronic device with the keypad 17, the controller 24 receives the selection signal from the keypad 17 and is connected to the infrared transmitter / receiver. Switch to the on state. For example, when the infrared transmitter / receiver 13 is selected, the switch 19 is turned on. Switch 1
2, 13 and 15 remain off.
【００２３】図３は本発明における携帯型電子機器の一
使用例を説明するための図である。FIG. 3 is a view for explaining an example of use of the portable electronic device according to the present invention.
【００２４】図３において、複数の赤外線送受光部１２
乃至１５を有する携帯型電子機器１１は１つの携帯型電
子機器２６と赤外線通信を行っている。携帯型電子機器
２６は１つの赤外線送受光部２７を有している。携帯型
電子機器１１の使用者は、キーパッド１７を操作するこ
とにより、通信を行う携帯型電子機器２６方向の赤外線
送受光部１２を選択する。すると、制御部２４はスイッ
チ１８をオン状態にする。このようにして、相手側電子
機器との赤外線通信が行われる。In FIG. 3, a plurality of infrared ray transmitting / receiving units 12 are provided.
The portable electronic device 11 having any one of 15 to 15 is in infrared communication with one portable electronic device 26. The portable electronic device 26 has one infrared transmitting / receiving unit 27. The user of the portable electronic device 11 operates the keypad 17 to select the infrared transmitter / receiver 12 in the direction of the portable electronic device 26 with which communication is to be performed. Then, the control unit 24 turns on the switch 18. In this way, infrared communication with the partner electronic device is performed.
【００２５】図４は本発明における携帯型電子機器の他
の使用例を説明するための図である。FIG. 4 is a diagram for explaining another example of use of the portable electronic device according to the present invention.
【００２６】図４において、複数の赤外線送受光部１２
乃至１５を有する携帯型電子機器１１は複数の携帯型電
子機器２６、２８および３０と同時に赤外線通信を行っ
ている。携帯型電子機器２６、２８および３０は、それ
ぞれ赤外線送受光部２７、２９および３１を有してい
る。携帯型電子機器１１の使用者は、キーパッド１７を
操作することにより、通信を行うそれぞれの携帯型電子
機器方向の赤外線送受光部１２乃至１４を選択する。す
ると、制御部２４はスイッチ１８乃至２０をオン状態に
する。このようにして、複数の相手側電子機器との赤外
線通信が行われる。In FIG. 4, a plurality of infrared transmitting / receiving units 12 are provided.
The portable electronic device 11 including the portable electronic devices 11 to 15 is simultaneously performing infrared communication with the plurality of portable electronic devices 26, 28 and 30. The portable electronic devices 26, 28 and 30 have infrared transmitting / receiving units 27, 29 and 31, respectively. The user of the portable electronic device 11 operates the keypad 17 to select the infrared transmission / reception units 12 to 14 in the direction of the respective portable electronic devices with which communication is to be performed. Then, the control unit 24 turns on the switches 18 to 20. In this way, infrared communication with a plurality of counterpart electronic devices is performed.
【００２７】このように、携帯型電子機器１１は、複数
の赤外線送受光部のうち通信に必要な数の、また、必要
な方向の赤外線送受光部を使用することができる。その
ため、携帯型電子機器本体を相手先電子機器の方向に向
けることなく通信を行うことができる。As described above, the portable electronic device 11 can use as many infrared transmitting / receiving sections as required for communication and in a desired direction among the plurality of infrared transmitting / receiving sections. Therefore, communication can be performed without directing the portable electronic device body toward the partner electronic device.
【００２８】また、同時に複数方向の携帯型電子機器と
通信を行うことができる。Further, it is possible to simultaneously communicate with portable electronic devices in a plurality of directions.
【００２９】さらに、薄型でかつ小型の携帯型電子機器
において、電子機器筐体の薄い側面部に赤外線送受光部
が設けられても、各面に赤外線送受光部を有していれ
ば、電子機器本体の向きを変えることなく広範囲に渡っ
て通信を行うことができる。Furthermore, in a thin and small portable electronic device, even if the infrared transmitter / receiver is provided on the thin side surface of the electronic device casing, if the infrared transmitter / receiver is provided on each side Communication can be performed over a wide range without changing the direction of the device body.
【００３０】上述の実施例では、赤外線送受光部を電子
機器筐体の各側面部に設けたが、これに限定されるもの
ではない。In the above-mentioned embodiment, the infrared transmitting / receiving section is provided on each side surface of the electronic equipment casing, but the invention is not limited to this.
【００３１】[0031]
【発明の効果】以上説明したように、本発明による携帯
型電子機器は、複数の赤外線送受光部を有し、希望する
赤外線送受光部を選択して切り換えることができるの
で、電子機器本体の向きを変えることなく赤外線通信を
行うことができる。As described above, the portable electronic device according to the present invention has a plurality of infrared transmitting / receiving parts and can select and switch desired infrared transmitting / receiving parts. Infrared communication can be performed without changing the direction.
【００３２】また、薄型の携帯型電子機器の側面に赤外
線送受光素子部を設けても、携帯型電子機器の向きによ
らず、より広い方向で通信を行うことができる。Further, even if the infrared transmitting / receiving element portion is provided on the side surface of the thin portable electronic device, communication can be performed in a wider direction regardless of the orientation of the portable electronic device.
【００３３】更に、複数の携帯型電子機器に同時に情報
を送出することができる。Further, it is possible to simultaneously send information to a plurality of portable electronic devices.
【図１】（ａ）および（ｂ）はそれぞれ本発明の一実施
例を示す外観斜視図および平面図。1A and 1B are an external perspective view and a plan view, respectively, showing an embodiment of the present invention.
【図２】本発明における携帯型電子機器の構成ブロック
図。FIG. 2 is a configuration block diagram of a portable electronic device according to the present invention.
【図３】本発明における携帯型電子機器の一使用例を説
明するための図である。FIG. 3 is a diagram for explaining a usage example of the portable electronic device according to the present invention.
【図４】本発明における携帯型電子機器の他の使用例を
説明するための図である。FIG. 4 is a diagram for explaining another example of use of the portable electronic device according to the present invention.
【図５】従来例の携帯型電子機器を示す外観斜視図。FIG. 5 is an external perspective view showing a conventional portable electronic device.
１１ 携帯型電子機器 １２ 赤外線送受光部 １３ 赤外線送受光部 １４ 赤外線送受光部 １５ 赤外線送受光部 １６ ディスプレイ １７ キーパッド １８ スイッチ １９ スイッチ ２０ スイッチ ２１ スイッチ ２２ 赤外線送受信機部 ２３ モデム部 ２４ 制御部 ２５ ユーザーインタフェース 11 Portable Electronic Equipment 12 Infrared Transmitter / Receiver 13 Infrared Transmitter / Receiver 14 Infrared Transmitter / Receiver 15 Infrared Transmitter / Receiver 16 Display 17 Keypad 18 Switch 19 Switch 20 Switch 21 Switch 22 Infrared Transmitter / Receiver 23 Modem 24 24 Control 25 User interface
Claims (3)
において、 複数の赤外線送受光手段と、 前記複数の赤外線送受光手段の中から使用する赤外線送
受光手段を選択する選択手段と、 を有することを特徴とする携帯型電子機器。1. A portable electronic device having an infrared communication function, comprising: a plurality of infrared transmitting / receiving means; and selecting means for selecting an infrared transmitting / receiving means to be used from among the infrared transmitting / receiving means. A portable electronic device characterized by:
機器筐体の各面に１つづつ有することを特徴とする請求
項１記載の携帯型電子機器。2. The portable electronic device according to claim 1, wherein each of the plurality of infrared transmitting / receiving means is provided on each surface of the electronic device housing.
のスイッチと、 入力手段と、 前記入力手段より入力された選択信号に応じて前記複数
のスイッチの中で前記選択信号に対応するスイッチをオ
ン状態にする制御手段と、 を有することを特徴とする請求項１記載の携帯型電子機
器。3. The selecting means comprises a plurality of switches respectively connected to the plurality of infrared transmitting / receiving means, an input means, and a plurality of switches among the plurality of switches according to a selection signal input from the input means. The portable electronic device according to claim 1, further comprising: a control unit that turns on a switch corresponding to the selection signal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045571A JPH08242205A (en) | 1995-03-06 | 1995-03-06 | Portable electronic equipment with infrared-ray communication function |
| CA002170810A CA2170810A1 (en) | 1995-03-06 | 1996-03-01 | Portable electronic apparatus having a plurality of infrared elements |
| AU47901/96A AU695083B2 (en) | 1995-03-06 | 1996-03-05 | Portable electronic apparatus having a plurality of infrared elements |
| GB9604791A GB2298752B (en) | 1995-03-06 | 1996-03-06 | Portable electronic apparatus having an infrared communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045571A JPH08242205A (en) | 1995-03-06 | 1995-03-06 | Portable electronic equipment with infrared-ray communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08242205A true JPH08242205A (en) | 1996-09-17 |
Family
ID=12723041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7045571A Pending JPH08242205A (en) | 1995-03-06 | 1995-03-06 | Portable electronic equipment with infrared-ray communication function |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH08242205A (en) |
| AU (1) | AU695083B2 (en) |
| CA (1) | CA2170810A1 (en) |
| GB (1) | GB2298752B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005093974A1 (en) * | 2004-03-25 | 2005-10-06 | Toa Corporation | Photodetector and infrared communication device |
| WO2015097924A1 (en) * | 2013-12-27 | 2015-07-02 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | Communication method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997002550A2 (en) * | 1995-07-05 | 1997-01-23 | Philips Electronics N.V. | System for communicating between a dynamic group of apparatuses |
| SE512449C2 (en) * | 1998-04-24 | 2000-03-20 | Ericsson Telefon Ab L M | Device and method for wireless data transmission |
| JP4572049B2 (en) | 1999-11-01 | 2010-10-27 | アイアール ビジョン アクチボラゲット | Information communication method, receiver, transmitter, and system for executing the method |
| US6577877B1 (en) * | 2000-02-23 | 2003-06-10 | Motorola, Inc. | Wireless infrared peripheral interface for a communication device |
| FR2849556A1 (en) * | 2002-12-30 | 2004-07-02 | Jean Marc Rene Villers | Portable electronic device e.g. cellular phone, pocket computer or PDA for transmitting personal data, has case with push buttons for activating device and selecting data for transmitting to another device by transmitting part |
| DE102007036096A1 (en) * | 2007-08-01 | 2009-02-05 | Kaltenbach & Voigt Gmbh | Dental hand-held device for generating measurement results |
| US10439714B2 (en) | 2017-04-18 | 2019-10-08 | Purelifi Limited | Mobile device for optical wireless communication |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02281829A (en) * | 1989-04-24 | 1990-11-19 | N T T Data Tsushin Kk | Terminal equipment of data collecting/allotting system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1160438A (en) * | 1966-09-16 | 1969-08-06 | Philip Burton | Improvements in or relating to the Control of Power Driven Models by means of a Beam of Light. |
| EP0027833A1 (en) * | 1979-10-30 | 1981-05-06 | Siemens Aktiengesellschaft | Telephone substation |
| JP2870791B2 (en) * | 1989-03-20 | 1999-03-17 | ソニー株式会社 | Wireless headphones |
| AU8734491A (en) * | 1991-01-09 | 1992-08-17 | Light Ideas Incorporated | Switched diversity for optical communications |
| JP2730810B2 (en) * | 1991-05-10 | 1998-03-25 | シャープ株式会社 | Information processing device |
| WO1994001942A1 (en) * | 1992-07-01 | 1994-01-20 | Motorola Inc. | High bit rate infrared communication system for overcoming multipath |
| JP3205127B2 (en) * | 1993-06-22 | 2001-09-04 | キヤノン株式会社 | Communication control method and device |
-
1995
- 1995-03-06 JP JP7045571A patent/JPH08242205A/en active Pending
-
1996
- 1996-03-01 CA CA002170810A patent/CA2170810A1/en not_active Abandoned
- 1996-03-05 AU AU47901/96A patent/AU695083B2/en not_active Ceased
- 1996-03-06 GB GB9604791A patent/GB2298752B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02281829A (en) * | 1989-04-24 | 1990-11-19 | N T T Data Tsushin Kk | Terminal equipment of data collecting/allotting system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005093974A1 (en) * | 2004-03-25 | 2005-10-06 | Toa Corporation | Photodetector and infrared communication device |
| WO2015097924A1 (en) * | 2013-12-27 | 2015-07-02 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | Communication method |
| US9294666B2 (en) | 2013-12-27 | 2016-03-22 | Panasonic Intellectual Property Corporation Of America | Communication method |
| US9413460B2 (en) | 2013-12-27 | 2016-08-09 | Panasonic Intellectual Property Corporation Of America | Communication method |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2298752B (en) | 1997-04-09 |
| AU4790196A (en) | 1996-09-19 |
| GB9604791D0 (en) | 1996-05-08 |
| CA2170810A1 (en) | 1996-09-07 |
| GB2298752A (en) | 1996-09-11 |
| AU695083B2 (en) | 1998-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19970715 |