JPS5319831A - Exposure adjustment device for copier - Google Patents

Exposure adjustment device for copier

Info

Publication number
JPS5319831A
JPS5319831A JP9399576A JP9399576A JPS5319831A JP S5319831 A JPS5319831 A JP S5319831A JP 9399576 A JP9399576 A JP 9399576A JP 9399576 A JP9399576 A JP 9399576A JP S5319831 A JPS5319831 A JP S5319831A
Authority
JP
Japan
Prior art keywords
copier
adjustment device
exposure adjustment
light output
fluorescent lamp
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
JP9399576A
Other languages
Japanese (ja)
Inventor
Tetsuaki Sonoda
Kazuhiko Takasu
Koichi Tomura
Yoshio Watanabe
Ryoichi Moriyama
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.)
Ricoh Co Ltd
Hitachi Lighting Ltd
Original Assignee
Ricoh Co Ltd
Hitachi Lighting 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 Ricoh Co Ltd, Hitachi Lighting Ltd filed Critical Ricoh Co Ltd
Priority to JP9399576A priority Critical patent/JPS5319831A/en
Publication of JPS5319831A publication Critical patent/JPS5319831A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)

Abstract

PURPOSE:To enhance the office work efficiency by detecting the light output of a printing fluorescent lamp in order to maintian the light output of the fluorescent lamp constant resulting from the control of a high frequency lighting device.
JP9399576A 1976-08-09 1976-08-09 Exposure adjustment device for copier Pending JPS5319831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9399576A JPS5319831A (en) 1976-08-09 1976-08-09 Exposure adjustment device for copier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9399576A JPS5319831A (en) 1976-08-09 1976-08-09 Exposure adjustment device for copier

Publications (1)

Publication Number Publication Date
JPS5319831A true JPS5319831A (en) 1978-02-23

Family

ID=14097972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9399576A Pending JPS5319831A (en) 1976-08-09 1976-08-09 Exposure adjustment device for copier

Country Status (1)

Country Link
JP (1) JPS5319831A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11705156B2 (en) * 2019-01-11 2023-07-18 Fujifilm Corporation Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11705156B2 (en) * 2019-01-11 2023-07-18 Fujifilm Corporation Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus

Similar Documents

Publication Publication Date Title
EG13340A (en) Light generation by an electrodeless fluorescent lamp
JPS5319831A (en) Exposure adjustment device for copier
JPS529988A (en) Lamp controlling device
JPS5442129A (en) Lighting device for copier
JPS52102729A (en) Original copy illumination for monochroic electronic copying machine
JPS5384376A (en) System of flashing fluorescent lamp
JPS52100775A (en) Fluorescent lamp
JPS52131669A (en) Discharge lamp lighting device
JPS5222383A (en) Light dimming apparatus
JPS538012A (en) Facsimile trnsmission unit
JPS5768877A (en) Lighting device of copying machine
JPS5726877A (en) Copying machine
JPS5440023A (en) Facsimile device
JPS52118975A (en) Lighting device for discharge lamp
JPS51148272A (en) Discharge lamp lighting device
JPS51130081A (en) Apparatus for lighting a discharge lamp
JPS5211673A (en) Discharge lamp lighting device
JPS5386110A (en) Light volume adjusting mechanism of facsimile device
JPS5262982A (en) Lighting device for fluorescent lamp
JPS524676A (en) Discharge lamp lighting device
JPS5214084A (en) Device for lighting in an emergency
JPS52118976A (en) Adjusting and lighting device for discharge lamp
JPS5366740A (en) Copying machine
JPS5214421A (en) Method for exposure
JPS5351731A (en) Illuminating device

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050412

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20050708

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20050822

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051012

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070123