JPH0340615A - Voice signal transmission equipment - Google Patents
Voice signal transmission equipmentInfo
- Publication number
- JPH0340615A JPH0340615A JP1175798A JP17579889A JPH0340615A JP H0340615 A JPH0340615 A JP H0340615A JP 1175798 A JP1175798 A JP 1175798A JP 17579889 A JP17579889 A JP 17579889A JP H0340615 A JPH0340615 A JP H0340615A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical signal
- photoelectric conversion
- conversion element
- space
- 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
- 230000008054 signal transmission Effects 0.000 title abstract description 4
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000005236 sound signal Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Optical Communication System (AREA)
- Headphones And Earphones (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、音声信号などの空間伝送に関するものである
。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to spatial transmission of audio signals and the like.
従来技術
近年、音声信号を光信号や電波信号で空間伝送する音響
機器が出現し、コードレス化が進んでいる。BACKGROUND OF THE INVENTION In recent years, audio equipment that spatially transmits audio signals using optical signals or radio signals has appeared, and the use of cordless equipment is progressing.
しかし、コードレス化と言っても現状では、送信部と受
信部間（信号の伝送路）のみがコードレスとなり、イヤ
ホンスピーカとイヤホンスピーカ駆動部間はコードで接
続されている。However, at present, only the transmission section and the reception section (signal transmission path) are cordless, and the earphone speaker and the earphone speaker drive section are connected by a cord.
また、ヘッドホンタイプで、コードレス化を図っている
物もある。There are also headphone-type products that are cordless.
以下に従来の技術について説明する。The conventional technology will be explained below.
第２図により、従来技術の一例を説明する。An example of the prior art will be explained with reference to FIG.
まず、送信部では、電気の音声信号Ａを光信号送信部１
Ａで光信号Ｂに変換し、空間に送出する。First, in the transmitter, the electrical audio signal A is sent to the optical signal transmitter 1.
It is converted into an optical signal B at A and sent out into space.
次に、受信部では、光電変換部２Ａで前記光信号Ｂを電
気信号Ｃに変換したのち、スピーカ駆動部３Ａに送出す
る。スピーカ駆動部３Ａは前記電気信号Ｃを信号増幅り
してスピーカ４Ａを駆動する。Next, in the receiving section, the photoelectric conversion section 2A converts the optical signal B into an electrical signal C, and then sends it to the speaker driving section 3A. The speaker drive unit 3A amplifies the electric signal C and drives the speaker 4A.
発明が解決しようとする課題
しかしながら、上記の従来技術における構成では、スピ
ーカ駆動部３Ａとスピーカ４Ａもしくはイヤホンスピー
カ（図示せず）間に電気ケーブルを必要とする。また、
光電変換部２Ａおよびスピーカ駆動部３Ａを動作させる
ために電源部（図示せず）をも必要とするなどの課題を
有していた。Problems to be Solved by the Invention However, the above-described configuration in the prior art requires an electric cable between the speaker drive section 3A and the speaker 4A or earphone speaker (not shown). Also,
This has problems such as requiring a power supply section (not shown) to operate the photoelectric conversion section 2A and the speaker drive section 3A.
本発明は、上記従来の課題を解決するもので、電源部と
電気ケーブルを必要としない音声信号伝送装置を提供す
ることを目的とする。The present invention solves the above-mentioned conventional problems, and aims to provide an audio signal transmission device that does not require a power supply section and an electric cable.
課題を解決するための手段
この目的を達成するために本発明は、空間からの光信号
を集光する集光レンズと、前記集光レンズに密着し、集
光した前記光信号を電気信号に変換する光電変換素子と
、前記光電変換素子の端子に直接接続され、前記電気信
号を音に変換するイヤホンスピーカとからなる構成を有
している。Means for Solving the Problems In order to achieve this object, the present invention includes a condensing lens that condenses an optical signal from space, a condensing lens that is in close contact with the condensing lens, and converts the condensed optical signal into an electrical signal. It has a configuration consisting of a photoelectric conversion element that converts the signal, and an earphone speaker that is directly connected to a terminal of the photoelectric conversion element and converts the electrical signal into sound.
作用
この構成によって、光信号送信部がらの光信号を集光レ
ンズで集光し、充電変換素子に与えることで電気信号に
変換される。この電気信号を直接イヤホンスピーカに供
給することで電源（電気／電池）および電気コードを必
要としない光信号受信部を実現することができる。Function: With this configuration, the optical signal from the optical signal transmitter is focused by the condensing lens, and is converted into an electrical signal by applying it to the charging conversion element. By directly supplying this electrical signal to the earphone speaker, it is possible to realize an optical signal receiving section that does not require a power source (electricity/battery) or an electrical cord.
実施例
以下本発明の一実施例について、図面を参照しながら説
明する。EXAMPLE An example of the present invention will be described below with reference to the drawings.
第一図は本発明の具体的実施例のブロックを示すもので
ある。FIG. 1 shows a block diagram of a specific embodiment of the present invention.
第一図において、１は光信号送信部で、電気の音声信号
Ａを発光素子（図示せず）を駆動し、光信号Ｂに変換し
たのち空間に送出する。２は集光レンズで、空間を介し
て伝送された光信号Ｂを集める。３は光電変換素子で、
集光レンズ２を介して集められた光信号Ｂの強弱を電気
信号Ｃ（強弱信号）に変換する。４はイヤホンスピーカ
で、電気信号Ｃを振動に変換する。以上のように構成さ
れた音声信号伝送装置について、以下その動作を説明す
る。In FIG. 1, reference numeral 1 denotes an optical signal transmitter, which drives an electrical audio signal A to a light emitting element (not shown), converts it into an optical signal B, and then sends it into space. 2 is a condensing lens that collects the optical signal B transmitted through space. 3 is a photoelectric conversion element,
The strength of the optical signal B collected through the condenser lens 2 is converted into an electric signal C (strength/weakness signal). 4 is an earphone speaker that converts the electrical signal C into vibration. The operation of the audio signal transmission device configured as described above will be described below.
まず、送信側の動作を説明する。First, the operation on the sending side will be explained.
本装置の光信号送信部１に入力された電気信号の音声信
号Ａは、ＬＥＤなとの発光素子（図示せず）を駆動する
回路〈駆動回路は、一般的な回路構成でよく特に図示せ
ず）を通して光信号Ｂに変換され空間に送出される。The audio signal A, which is an electric signal input to the optical signal transmitter 1 of this device, is transmitted to a circuit that drives a light emitting element (not shown) such as an LED (the drive circuit may have a general circuit configuration and is not particularly shown). ) is converted into an optical signal B and sent out into space.
次に、受信側の説明をする。Next, the receiving side will be explained.
送信側で光信号Ｂに変換されて空間に送出された音声信
号Ａの光を、集光レンズ２で受信する。The condensing lens 2 receives the light of the audio signal A, which is converted into an optical signal B and sent into space on the transmitting side.
この集光レンズ２は空間の不特定の位置からの光信号Ｂ
を効率良く受光するように動作する。集光レンズ２の形
状は特に規定しないが、一般的には先端が半球状で、そ
れ以降のレンズが円筒状などになっている物であればよ
い。集光レンズ２で受光した光信号Ｂは、密着状態に配
置した光電変換素子３に伝わる。This condensing lens 2 receives an optical signal B from an unspecified position in space.
It operates to efficiently receive light. Although the shape of the condensing lens 2 is not particularly limited, it may generally have a hemispherical tip and a cylindrical lens thereafter. The optical signal B received by the condensing lens 2 is transmitted to the photoelectric conversion element 3 arranged in close contact with each other.
光電変換素子３では、集光レンズ２で集光した光信号Ｂ
を電気信号に変換する。この光電変換素子３は、例えば
、ホトダイオードやホトセルなどを用い、外部からの電
源供給を必要とせず、光を電気信号に変換する素子を用
いることで実現できる。電気信号に変換された光信号Ｂ
は、光電変換素子３の端子に直接接続されたイヤホンス
ピーカ４に電気信号りを供給駆動する。イヤホンスピー
カ４は、通常のテレビやラジオなどのイヤホンと同様の
もので、電気信号りを空気振動に変換して鼓膜を振動さ
せ、音を聞かせる。In the photoelectric conversion element 3, the optical signal B collected by the condensing lens 2
into an electrical signal. This photoelectric conversion element 3 can be realized by using, for example, a photodiode, a photocell, or the like, and an element that converts light into an electrical signal without requiring an external power supply. Optical signal B converted to electrical signal
supplies an electric signal to the earphone speaker 4 directly connected to the terminal of the photoelectric conversion element 3 to drive it. The earphone speaker 4 is similar to earphones for ordinary televisions and radios, and converts electrical signals into air vibrations to vibrate the eardrum and produce sound.
以上のように本実施例によれば、光信号受信部５は、電
源（電池やＤＣ電源など）を必要としない構成でかつ、
イヤホンスピーカ用の電気コードを必要としない構成の
音声信号伝送装置が実親できる。また、電源レス、コー
ドレスなどから、イヤホン程度の大きさの音声信号伝送
装置が実現できる。As described above, according to this embodiment, the optical signal receiving section 5 has a configuration that does not require a power source (such as a battery or a DC power source), and
An audio signal transmission device with a configuration that does not require an electrical cord for earphone speakers can be realized. Furthermore, since it does not require a power supply or is cordless, it is possible to realize an audio signal transmission device that is about the size of an earphone.
発明の効果
以上のように本発明は、充電変換素子が疑似的電源の役
割をさせることで、電源（電池やＤＣ電源）レス化が実
現できる。また、光電変換素子に直接集光レンズとイヤ
ホンスピーカが接続できることからコードレス化と小型
が図れる。Effects of the Invention As described above, the present invention allows the charging conversion element to function as a pseudo power source, thereby making it possible to eliminate the need for a power source (battery or DC power source). Furthermore, since the condenser lens and earphone speaker can be directly connected to the photoelectric conversion element, it can be made cordless and compact.
第１図は本発明の一実施例のブロック図である。第２図
は従来のブロック図である。
ｌ・・・・・・光信号送信部、２・・・・・・集光レン
ズ３・・・・・・光電変換素子、４・・・・・・イヤホ
ンスピーノノ５・・・・・・光信号受信部。FIG. 1 is a block diagram of one embodiment of the present invention. FIG. 2 is a conventional block diagram. l... Optical signal transmitter, 2... Condensing lens 3... Photoelectric conversion element, 4... Earphone speaker 5... Optical signal receiver.
Claims (1)
ンズに密着し、前記光信号を電気信号に変換する光電変
換素子と、前記光電変換素子の端子に直接接続され、電
気信号を音に変換するイヤホンスピーカとからなる音声
信号伝送装置。a condenser lens that condenses an optical signal from space; a photoelectric conversion element that is in close contact with the condenser lens and converts the optical signal into an electrical signal; and a photoelectric conversion element that is directly connected to a terminal of the photoelectric conversion element and that converts the electrical signal. An audio signal transmission device consisting of an earphone speaker that converts into sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1175798A JPH0340615A (en) | 1989-07-07 | 1989-07-07 | Voice signal transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1175798A JPH0340615A (en) | 1989-07-07 | 1989-07-07 | Voice signal transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340615A true JPH0340615A (en) | 1991-02-21 |
Family
ID=16002437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1175798A Pending JPH0340615A (en) | 1989-07-07 | 1989-07-07 | Voice signal transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340615A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366867A (en) * | 1992-04-01 | 1994-11-22 | Nihon Millipore Kogyo | Method of determining viable microbial cell count |
| US8343415B2 (en) | 2007-01-15 | 2013-01-01 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic particulate material and processes for forming same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS494510B1 (en) * | 1969-09-04 | 1974-02-01 |
-
1989
- 1989-07-07 JP JP1175798A patent/JPH0340615A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS494510B1 (en) * | 1969-09-04 | 1974-02-01 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5366867A (en) * | 1992-04-01 | 1994-11-22 | Nihon Millipore Kogyo | Method of determining viable microbial cell count |
| US8343415B2 (en) | 2007-01-15 | 2013-01-01 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic particulate material and processes for forming same |
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