JPS5933006U - Light beam retroreflector with secrecy - Google Patents

Light beam retroreflector with secrecy

Info

Publication number
JPS5933006U
JPS5933006U JP1982127455U JP12745582U JPS5933006U JP S5933006 U JPS5933006 U JP S5933006U JP 1982127455 U JP1982127455 U JP 1982127455U JP 12745582 U JP12745582 U JP 12745582U JP S5933006 U JPS5933006 U JP S5933006U
Authority
JP
Japan
Prior art keywords
secrecy
light beam
retroreflector
beam retroreflector
plane mirrors
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
Application number
JP1982127455U
Other languages
Japanese (ja)
Inventor
八木　建己
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1982127455U priority Critical patent/JPS5933006U/en
Publication of JPS5933006U publication Critical patent/JPS5933006U/en
Pending legal-status Critical Current

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Landscapes

  • Optical Communication System (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は光ビーム通信における交信状態を概要的に示し
た説明図、第２図は本考案の秘匿性を有する光ビーム逆
反射器の一実施例を原理的に表わした断面図である。 １．１’、２・・・平面鏡、３・・・フレーム、４・・
・ゴムクッション、５・・・電歪素子、６・・・スイッ
チ、７・・・直流電源。FIG. 1 is an explanatory diagram schematically showing a communication state in optical beam communication, and FIG. 2 is a sectional view showing the principle of an embodiment of a light beam retroreflector having secrecy according to the present invention. 1.1', 2...plane mirror, 3...frame, 4...
-Rubber cushion, 5...electrostrictive element, 6...switch, 7...DC power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ３枚の平面鏡を互いに直交せしめて構成したｈ−ナーリ
フレクタ型逆反射器において、３枚の平面鏡の内の少な
くとも１枚の平面鏡の直交度を電磁的操作手段によって
自在に変化せしめ得るように構成して、有害な反射を防
止し得べ（なしたることを特徴とする秘匿性を有する光
ビーム逆反射器。An h-nerre reflector type retroreflector configured with three plane mirrors orthogonal to each other, configured such that the degree of orthogonality of at least one of the three plane mirrors can be freely changed by electromagnetic operation means. A light beam retroreflector having secrecy, characterized in that it can prevent harmful reflections.
JP1982127455U 1982-08-25 1982-08-25 Light beam retroreflector with secrecy Pending JPS5933006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982127455U JPS5933006U (en) 1982-08-25 1982-08-25 Light beam retroreflector with secrecy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982127455U JPS5933006U (en) 1982-08-25 1982-08-25 Light beam retroreflector with secrecy

Publications (1)

Publication Number Publication Date
JPS5933006U true JPS5933006U (en) 1984-02-29

Family

ID=30289470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982127455U Pending JPS5933006U (en) 1982-08-25 1982-08-25 Light beam retroreflector with secrecy

Country Status (1)

Country Link
JP (1) JPS5933006U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238043A (en) * 1985-08-12 1987-02-19 Nec Corp Reflecting mirror for laser communication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238043A (en) * 1985-08-12 1987-02-19 Nec Corp Reflecting mirror for laser communication

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