JPH0251433U - - Google Patents
Info
- Publication number
- JPH0251433U JPH0251433U JP1988130666U JP13066688U JPH0251433U JP H0251433 U JPH0251433 U JP H0251433U JP 1988130666 U JP1988130666 U JP 1988130666U JP 13066688 U JP13066688 U JP 13066688U JP H0251433 U JPH0251433 U JP H0251433U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- optical axis
- transmitting
- receiving device
- axis direction
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
Landscapes
- Optical Communication System (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
第１図は本考案の送受信装置を示す斜視図、第
２図はその送受信装置を示すブロツク図、第３図
は光ビーム送受光装置を示す斜視図、第４図はそ
の略線的断面図、第５図は微調整用光軸方位誤差
検出回路を示す略線図、第６図及び第７図は撮像
面を示す略線図、第８図は租調整回路部を示すブ
ロツク図、第９図はその動作の説明に供する信号
波形図、第１０図は撮像面を示す略線図、第１１
図は垂直位置検出回路の動作の説明に供する信号
波形図、第１２図は水平位置検出回路の動作の説
明に供する信号波形図、第１３図及び第１４図は
シヤツタの他の実施例を示す略線図、第１５図は
従来例を示す略線的平面図である。
１０…主送受信装置、１３…表示装置、１６…
方位調整回路、１７…租調整回路、１８…微調整
回路、２０…光ビーム送受光装置、２０Ｘ…Ｘ軸
方向駆動部、２０Ｙ…Ｙ軸方向駆動部、２１…調
整ずれ検出回路、３０…送受光学系、５０…レー
ザ光源、５１…受光部、５２，５２Ｘ…送受光用
レンズ、５５…テレビジヨンカメラ、５６…コリ
メートスコープ。
Fig. 1 is a perspective view showing a transmitting/receiving device of the present invention, Fig. 2 is a block diagram showing the transmitting/receiving device, Fig. 3 is a perspective view showing a light beam transmitting/receiving device, and Fig. 4 is a schematic cross-sectional view thereof. , FIG. 5 is a schematic diagram showing the optical axis direction error detection circuit for fine adjustment, FIGS. 6 and 7 are schematic diagrams showing the imaging plane, FIG. 8 is a block diagram showing the tax adjustment circuit section, and FIG. Fig. 9 is a signal waveform diagram for explaining the operation, Fig. 10 is a schematic diagram showing the imaging plane, and Fig. 11 is a schematic diagram showing the imaging plane.
The figure is a signal waveform diagram to explain the operation of the vertical position detection circuit, Figure 12 is a signal waveform diagram to explain the operation of the horizontal position detection circuit, and Figures 13 and 14 show other embodiments of the shutter. Schematic diagram: FIG. 15 is a schematic plan view showing a conventional example. 10... Main transmitting/receiving device, 13... Display device, 16...
Orientation adjustment circuit, 17... Tax adjustment circuit, 18... Fine adjustment circuit, 20... Light beam transmitting/receiving device, 20X... Optical system, 50... Laser light source, 51... Light receiving section, 52, 52X... Lens for transmitting and receiving light, 55... Television camera, 56... Collimating scope.
Claims (1)
変調された光ビームを伝送する光空間伝送装置に
おいて、 上記第１の送受信装置から送出される上記光ビ
ームの一部を抽出して得られる抽出光ビームと、
上記第２の送受信装置から射出される光軸調整用
光とを望遠レンズ光学系に入射してテレビジヨン
カメラで撮像し、上記抽出光ビームと、上記光軸
調整用光との光軸の相対誤差を検出し、上記第１
の光ビームの光軸方位を粗調整する粗調整手段と
、 上記相対誤差が所定範囲内に収束したときに、
上記第１の光ビームの光軸方位を粗調整する粗調
整手段から微調整する微調整手段に切り換える切
換手段と を具えることを特徴とする光空間伝送装置。[Claims for Utility Model Registration] In an optical space transmission device that has a first and a second transmitting/receiving device and transmits a light beam modulated with an information signal, the light beam is transmitted from the first transmitting/receiving device. an extracted light beam obtained by extracting a part of the
The optical axis adjustment light emitted from the second transmitting/receiving device is incident on a telephoto lens optical system and imaged by a television camera, and the optical axis of the extracted light beam and the optical axis adjustment light are relative to each other. Detect the error and perform the first
coarse adjustment means for coarsely adjusting the optical axis direction of the light beam; and when the relative error converges within a predetermined range,
and switching means for switching from coarse adjustment means for coarsely adjusting the optical axis direction of the first light beam to fine adjustment means for finely adjusting the optical axis direction of the first light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988130666U JPH0644198Y2 (en) | 1988-10-04 | 1988-10-04 | Optical space transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988130666U JPH0644198Y2 (en) | 1988-10-04 | 1988-10-04 | Optical space transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0251433U true JPH0251433U (en) | 1990-04-11 |
| JPH0644198Y2 JPH0644198Y2 (en) | 1994-11-14 |
Family
ID=31386040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988130666U Expired - Lifetime JPH0644198Y2 (en) | 1988-10-04 | 1988-10-04 | Optical space transmission device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644198Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171035A (en) * | 1987-01-09 | 1988-07-14 | Agency Of Ind Science & Technol | Optical space transmission system |
-
1988
- 1988-10-04 JP JP1988130666U patent/JPH0644198Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171035A (en) * | 1987-01-09 | 1988-07-14 | Agency Of Ind Science & Technol | Optical space transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0644198Y2 (en) | 1994-11-14 |
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