JPS59180207U - rotary photo coupler - Google Patents

rotary photo coupler

Info

Publication number
JPS59180207U
JPS59180207U JP1983075169U JP7516983U JPS59180207U JP S59180207 U JPS59180207 U JP S59180207U JP 1983075169 U JP1983075169 U JP 1983075169U JP 7516983 U JP7516983 U JP 7516983U JP S59180207 U JPS59180207 U JP S59180207U
Authority
JP
Japan
Prior art keywords
parabolic mirror
multifocal
rotary
photo coupler
light sources
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
Application number
JP1983075169U
Other languages
Japanese (ja)
Other versions
JPH0317493Y2 (en
Inventor
斉藤　昭七
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP1983075169U priority Critical patent/JPS59180207U/en
Publication of JPS59180207U publication Critical patent/JPS59180207U/en
Application granted granted Critical
Publication of JPH0317493Y2 publication Critical patent/JPH0317493Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
  • Optical Communication System (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 the drawing]

第１図、第２図及び第３図は夫々従来のロータリトラン
スの夫々ロータ及びステータを示す平面図、断面図及び
等節回路を示す回路図、第４図は本考案によるロータリ
フォトカプラの一実施例を示す構成図、第５図は第４図
例の要部の例を示す線図、第６図及び第７図は本考案に
よるロータリフォトカプラの原理の説明に供する線図、
第８図及び第９図は夫々本考案によるロータリフォトカ
プラを適用したＶＴＲのテープ案内ドラムの例を示す断
面図である。 １０は多焦点放物面鏡、ｌ　Ｏａ、　　１０ｂ、　　Ｉ
　ＯＣはその複数の放物面鏡、１１ａ、　　１　ｌｂ、
　　Ｉ　ＩＣは複数の光源、１２ａ、１２ｂ、１２Ｃは
受光器である。1, 2, and 3 are a plan view and a sectional view showing the rotor and stator of a conventional rotary transformer, respectively, and a circuit diagram showing an isotonic circuit, and FIG. 4 is a diagram showing a rotary photocoupler according to the present invention. 5 is a diagram showing an example of the main part of the example shown in FIG. 4; FIGS. 6 and 7 are diagrams illustrating the principle of the rotary photocoupler according to the present invention;
FIGS. 8 and 9 are cross-sectional views showing examples of tape guide drums for VTRs to which the rotary photocoupler according to the present invention is applied. 10 is a multifocal parabolic mirror, l Oa, 10b, I
OC is a plurality of parabolic mirrors, 11a, 1 lb,
I IC is a plurality of light sources, and 12a, 12b, and 12C are light receivers.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 同心円状に配され、焦点の位置がそれぞれ異る複数の放
物面鏡からなる多焦点放物面鏡と、該多焦点放物面鏡の
各放物面鏡に所定の入射角で平行な各別のビームを入射
せしめる複数の光源と、上記多焦点放物面鏡の各焦点付
近に配されて上記多焦点放物面鏡かうの反射ビームを受
光する！数の受光器とを有し、上記複数の光源と上記複
数の受光器及び上記多焦点放物面鏡とを所定の位置関係
で相対的に回転するようにしたことを特徴とするロータ
リフォトカプラ。A multifocal parabolic mirror consisting of a plurality of parabolic mirrors arranged concentrically and having different focal positions, and A plurality of light sources that input different beams are arranged near each focal point of the multifocal parabolic mirror to receive the reflected beams from the multifocal parabolic mirror! A rotary photocoupler comprising a plurality of light receivers, the plurality of light sources, the plurality of light receivers, and the multifocal parabolic mirror being relatively rotated in a predetermined positional relationship. .
JP1983075169U 1983-05-19 1983-05-19 rotary photo coupler Granted JPS59180207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983075169U JPS59180207U (en) 1983-05-19 1983-05-19 rotary photo coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983075169U JPS59180207U (en) 1983-05-19 1983-05-19 rotary photo coupler

Publications (2)

Publication Number Publication Date
JPS59180207U true JPS59180207U (en) 1984-12-01
JPH0317493Y2 JPH0317493Y2 (en) 1991-04-12

Family

ID=30205243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983075169U Granted JPS59180207U (en) 1983-05-19 1983-05-19 rotary photo coupler

Country Status (1)

Country Link
JP (1) JPS59180207U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237770A (en) * 1986-04-07 1987-10-17 Mitsubishi Electric Corp Rotor signal transmitter
JPS63282903A (en) * 1987-05-15 1988-11-18 Nippon Hoso Kyokai <Nhk> Revolving magnetic head type video tape recorder
JPS6473502A (en) * 1987-09-14 1989-03-17 Matsushita Electric Ind Co Ltd Recorder
JP2013201678A (en) * 2012-03-26 2013-10-03 Canon Inc Rotation-type imaging device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237770A (en) * 1986-04-07 1987-10-17 Mitsubishi Electric Corp Rotor signal transmitter
JPS63282903A (en) * 1987-05-15 1988-11-18 Nippon Hoso Kyokai <Nhk> Revolving magnetic head type video tape recorder
JPS6473502A (en) * 1987-09-14 1989-03-17 Matsushita Electric Ind Co Ltd Recorder
JP2013201678A (en) * 2012-03-26 2013-10-03 Canon Inc Rotation-type imaging device

Also Published As

Publication number Publication date
JPH0317493Y2 (en) 1991-04-12

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