JP2002131573A5

JP2002131573A5 -

Info

Publication number: JP2002131573A5
Application number: JP2000322414A
Authority: JP
Filing date: 2000-10-23
Publication date: 2005-05-19
Anticipated expiration: 2020-10-23

Description

【００１４】
【課題を解決するための手段】
上記目的を達成するために、請求項１に記載の発明は、光信号を透過する透光性媒体と、前記透光性媒体の第１の端面に複数の階段状の段差を設けることにより形成された、光信号を入射又は出射若しくは入射及び出射するための複数の入出射部と、前記透光性媒体の前記第１の端面に対向する第２の端面に配置され、前記複数の入出射部より入射された光信号を該第１の端面の方向に反射する反射手段と、を備えた光信号伝達装置であって、前記第２の端面から最も近い入出射部までの長さを、おおよそ前記段差の長さに整数又は整数の逆数を乗じた長さとしたものである。
請求項２に記載の発明は、光信号を透過する透光性媒体と、前記透光性媒体の第１の端面に複数の階段状の段差を設けることにより形成された、光信号を入射又は出射若しくは入射及び出射するための複数の入出射部と、前記透光性媒体の前記第１の端面に対向する第２の端面に配置され、前記複数の入出射部より入射された光信号を該第１の端面の方向に反射する反射手段と、を備えた光信号伝達装置であって、前記第２の端面から最も近い入出射部までの長さを、おおよそ前記段差の長さに１．５又は０．５を乗じた長さとしたものである。
請求項３に記載の発明は、光信号を透過する透光性媒体と、前記透光性媒体の第１の端面に複数の階段状の段差を設けることにより形成された、光信号を入射又は出射若しくは入射及び出射するための複数の入出射部と、前記透光性媒体の前記第１の端面に対向する第２の端面に配置され、前記複数の入出射部より入射された光信号を該第１の端面の方向に反射する反射手段と、を備えた光信号伝達装置であって、前記第２の端面から最も近い入出射部までの長さを、おおよそ前記段差の長さに前記入出射部の数を乗じた長さとしたものである。
請求項４に記載の発明は、光信号を透過する透光性媒体と、前記透光性媒体の第１の端面に複数の階段状の段差を設けることにより形成された、光信号を入射又は出射若しくは入射及び出射するための複数の入出射部と、前記透光性媒体の前記第１の端面に対向する第２の端面に配置され、前記複数の入出射部より入射された光信号を該第１の端面の方向に反射する反射手段と、を備えた光信号伝達装置であって、前記第２の端面から最も近い入出射部までの長さを、おおよそ前記段差の長さに、該入出射部の数が偶数の場合には入出射部の数以上の偶数、該入出射部の数が奇数の場合には入出射部の数以上の奇数、を乗じた長さとしたものである。 [0014]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is formed by providing a translucent medium which transmits an optical signal, and a plurality of stepped steps on the first end face of the translucent medium. And a plurality of input / output portions for receiving or emitting or emitting or receiving an optical signal, and a second end face opposite to the first end face of the translucent medium, An optical signal transmission device comprising: reflection means for reflecting an optical signal incident from the second portion in the direction of the first end face, wherein a length from the second end face to the closest incident / exit portion is The length of the step is approximately multiplied by an integer or a reciprocal of an integer .
According to the second aspect of the present invention, there is provided a light transmitting medium for transmitting an optical signal, and an optical signal formed by providing a plurality of stepped steps on the first end face of the light transmitting medium. A plurality of input / output units for emitting or entering and emitting, and a second end surface opposite to the first end surface of the translucent medium, the optical signals incident from the plurality of input / output units An optical signal transmission device comprising: reflection means for reflecting in the direction of the first end face, wherein the length from the second end face to the closest incident / exit portion is approximately 1 .5 or 0.5 multiplied by the length.
According to the third aspect of the present invention, there is provided a light transmitting medium for transmitting an optical signal, and an optical signal formed by providing a plurality of stepped steps on the first end face of the light transmitting medium. A plurality of input / output units for emitting or entering and emitting, and a second end surface opposite to the first end surface of the translucent medium, the optical signals incident from the plurality of input / output units An optical signal transmission device comprising: reflection means for reflecting in the direction of the first end face, wherein the length from the second end face to the closest incident / exit portion is approximately the length of the step The length is the product of the number of entry and exit parts.
The invention according to claim 4 is characterized in that a translucent medium for transmitting an optical signal, and an optical signal formed by providing a plurality of step-like steps on the first end face of the translucent medium. A plurality of input / output units for emitting or entering and emitting, and a second end surface opposite to the first end surface of the translucent medium, the optical signals incident from the plurality of input / output units An optical signal transmission device comprising: reflection means for reflecting in the direction of the first end face, wherein the length from the second end face to the closest input / output portion corresponds to the length of the step, The length is multiplied by an even number more than the number of input / output units when the number of the input / output units is even, and an odd number more than the number of the input / output units when the number of the input / output units is odd is there.

請求項１乃至４に記載の発明においては、前記反射手段は、前記入出射部から入射された光信号を前記第１の端面の方向に拡散反射するようにしてもよいし、鏡面反射するようにしてもよい。 In the first to fourth aspects of the present invention, the reflecting means may diffusely reflect the light signal incident from the incident / exit unit in the direction of the first end face, or may mirror-reflect the light signal. You may

請求項９に記載の発明は、上記光信号伝達装置の何れかを用いて、光信号によりデータを伝送する光データバスシステムである。 The invention according to claim 9 is an optical data bus system for transmitting data by an optical signal using any of the optical signal transmission devices.

請求項１１に記載の発明は、光信号に担持させるデータを生成する電子回路と、前記電子回路により生成されたデータを担持する光信号を請求項９に記載の光データバスシステムにおける光信号伝達装置の入出射部に入射する入射手段と、前記複数の入出射部の各々から出射された光信号を受光し、受光した光信号から抽出されたデータを出力する出力手段と、を含んで構成された信号処理装置である。 The invention according to claim 11 is an electronic circuit for generating data to be carried by an optical signal, and an optical signal transmission in an optical data bus system according to claim 9 for carrying an optical signal carrying data generated by the electronic circuit. The apparatus includes: an incident unit that enters the input / output unit of the device; and an output unit that receives light signals emitted from each of the plurality of input / output units and outputs data extracted from the received light signal. Signal processing device.

このように、光信号伝達装置の入出射部の数を、階段状の段差の長さに乗じた長さを、反射手段が配置されている端面から最も近い入出射部までの距離とすることなどにより、光信号が入射される入出射部の位置に関係なく出射光信号のばらつきを小さくすることができる。 Thus, the length obtained by multiplying the number of input and output parts of the optical signal transmission device by the length of the step difference is the distance from the end face where the reflection means is disposed to the nearest input and output part. As a result, the variation in the emitted light signal can be reduced regardless of the position of the input / output unit to which the light signal is incident.

Claims

A translucent medium that transmits an optical signal;
A plurality of input / output portions for inputting or emitting an optical signal, or formed by providing a plurality of step-like steps on the first end face of the translucent medium;
Reflection means disposed on a second end face opposite to the first end face of the translucent medium, and reflecting light signals incident from the plurality of input / output portions toward the first end face;
An optical signal transmission device comprising
The length from the second end face to the closest input / output portion is approximately the length of the step multiplied by an integer or a reciprocal of an integer .
Optical signal transmission device.

A translucent medium that transmits an optical signal;
A plurality of input / output portions for inputting or emitting an optical signal, or formed by providing a plurality of step-like steps on the first end face of the translucent medium;
Reflection means disposed on a second end face opposite to the first end face of the translucent medium, and reflecting light signals incident from the plurality of input / output portions toward the first end face;
An optical signal transmission device comprising
The length from the second end face to the closest incident / emission part is approximately the length of the step multiplied by 1.5 or 0.5,
Optical signal transmission device.

A translucent medium that transmits an optical signal;
A plurality of input / output portions for inputting or emitting an optical signal, or formed by providing a plurality of step-like steps on the first end face of the translucent medium;
Reflection means disposed on a second end face opposite to the first end face of the translucent medium, and reflecting light signals incident from the plurality of input / output portions toward the first end face;
An optical signal transmission device comprising
The length from the second end face to the closest incident / emission portion is approximately the length of the step multiplied by the number of the incident / emission portions.
Optical signal transmission device.

A translucent medium that transmits an optical signal;
A plurality of input / output portions for inputting or emitting an optical signal, or formed by providing a plurality of step-like steps on the first end face of the translucent medium;
Reflection means disposed on a second end face opposite to the first end face of the translucent medium, and reflecting light signals incident from the plurality of input / output portions toward the first end face;
An optical signal transmission device comprising
The length from the second end face to the closest incident / emission part is approximately the length of the step, and when the number of the input / output parts is an even number, the even number more than the number of input / output parts, the input / output parts If the number of is an odd number, the length multiplied by an odd number greater than the number of input and output parts,
Optical signal transmission device.

The optical signal transmission device according to any one of claims 1 to 4, wherein the reflection means diffuses and reflects the light signal incident from the incident / exit unit in the direction of the first end face.

The optical signal transmission device according to any one of claims 1 to 4, wherein the reflection means mirror-reflects the light signal incident from the incident / exit unit in the direction of the first end face.

The optical signal transmission device according to any one of claims 1 to 6, wherein an end face of the light emitting and receiving part is a reflective surface formed to be inclined with respect to an upper surface of the translucent medium.

8. The optical signal transfer device of claim 7, wherein the slope is 45 degrees.

An optical data bus system for transmitting data by an optical signal using the optical signal transmission device according to any one of claims 1 to 8.

A translucent medium that transmits an optical signal;
A plurality of input / output portions for inputting or emitting an optical signal, or formed by providing a plurality of step-like steps on the first end face of the translucent medium;
Reflection means disposed on a second end face opposite to the first end face of the translucent medium, and reflecting light signals incident from the plurality of input / output portions toward the first end face;
An optical signal transmission device comprising
The length from the second end face to the closest incident / emission part is approximately the length of the step multiplied by an integer equal to or greater than the number of the input / output parts.
Optical signal transmission device.

An electronic circuit that generates data to be carried by the optical signal;
10. An incident means for causing an optical signal carrying data generated by the electronic circuit to be incident on an incident / emission portion of an optical signal transmission device in an optical data bus system according to claim 9.
An output unit that receives an optical signal emitted from each of the plurality of input / output units and outputs data extracted from the received optical signal;
Signal processing device equipped with