JPS5425111A - Lighting optical apparatus - Google Patents

Lighting optical apparatus

Info

Publication number
JPS5425111A
JPS5425111A JP8973877A JP8973877A JPS5425111A JP S5425111 A JPS5425111 A JP S5425111A JP 8973877 A JP8973877 A JP 8973877A JP 8973877 A JP8973877 A JP 8973877A JP S5425111 A JPS5425111 A JP S5425111A
Authority
JP
Japan
Prior art keywords
optical apparatus
lighting optical
diffusing
encircling
filament
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
JP8973877A
Other languages
Japanese (ja)
Inventor
Shuji Kizu
Kazumichi Nagaai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8973877A priority Critical patent/JPS5425111A/en
Publication of JPS5425111A publication Critical patent/JPS5425111A/en
Pending legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE: To prevent lighting unevenness, and to enable the constant-line focusing illumination regardless of the shape of a filament by encircling the circumference of an illumination lamp with a diffusing materials and by providing a reflective surface to one part of the diffusing material.
COPYRIGHT: (C)1979,JPO&Japio
JP8973877A 1977-07-28 1977-07-28 Lighting optical apparatus Pending JPS5425111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8973877A JPS5425111A (en) 1977-07-28 1977-07-28 Lighting optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8973877A JPS5425111A (en) 1977-07-28 1977-07-28 Lighting optical apparatus

Publications (1)

Publication Number Publication Date
JPS5425111A true JPS5425111A (en) 1979-02-24

Family

ID=13979096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8973877A Pending JPS5425111A (en) 1977-07-28 1977-07-28 Lighting optical apparatus

Country Status (1)

Country Link
JP (1) JPS5425111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61257164A (en) * 1985-05-11 1986-11-14 Takeshita Sangyo Kk Apparatus for producing laver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61257164A (en) * 1985-05-11 1986-11-14 Takeshita Sangyo Kk Apparatus for producing laver

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