JPS53110532A - Automatic controller of developer concentrations of wet type diazo copiers - Google Patents

Automatic controller of developer concentrations of wet type diazo copiers

Info

Publication number
JPS53110532A
JPS53110532A JP2472977A JP2472977A JPS53110532A JP S53110532 A JPS53110532 A JP S53110532A JP 2472977 A JP2472977 A JP 2472977A JP 2472977 A JP2472977 A JP 2472977A JP S53110532 A JPS53110532 A JP S53110532A
Authority
JP
Japan
Prior art keywords
wet type
developer
concentrations
automatic controller
type diazo
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
JP2472977A
Other languages
Japanese (ja)
Inventor
Hiroki Takeda
Hisao Yoshihara
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
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2472977A priority Critical patent/JPS53110532A/en
Publication of JPS53110532A publication Critical patent/JPS53110532A/en
Pending legal-status Critical Current

Links

Landscapes

  • Photographic Processing Devices Using Wet Methods (AREA)

Abstract

PURPOSE: To automatically compensate the changes in developer concentrations through evaporation of water content and obtain good copy quality by detecting the concentrations from the electric resistances detected by a pair of electrodes provided in the circulation line of a developer and controlling a water feeder by the detection outputs thereof.
COPYRIGHT: (C)1978,JPO&Japio
JP2472977A 1977-03-09 1977-03-09 Automatic controller of developer concentrations of wet type diazo copiers Pending JPS53110532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2472977A JPS53110532A (en) 1977-03-09 1977-03-09 Automatic controller of developer concentrations of wet type diazo copiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2472977A JPS53110532A (en) 1977-03-09 1977-03-09 Automatic controller of developer concentrations of wet type diazo copiers

Publications (1)

Publication Number Publication Date
JPS53110532A true JPS53110532A (en) 1978-09-27

Family

ID=12146230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2472977A Pending JPS53110532A (en) 1977-03-09 1977-03-09 Automatic controller of developer concentrations of wet type diazo copiers

Country Status (1)

Country Link
JP (1) JPS53110532A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143640U (en) * 1977-04-18 1978-11-13
JPS59131930A (en) * 1982-10-21 1984-07-28 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Treatment of radiation photosensitive member
JPS60156063A (en) * 1984-01-25 1985-08-16 Fuji Photo Film Co Ltd Method and apparatus for automatically developing photosensitive lithographic plate
JPS6161164A (en) * 1984-08-31 1986-03-28 Konishiroku Photo Ind Co Ltd Method of replenishing development replenishing liquid automatic developing device of photosensitive planographic printing plate
JPS629353A (en) * 1985-07-08 1987-01-17 Fuji Photo Film Co Ltd Bubble detecting method
JPH01180548A (en) * 1988-01-12 1989-07-18 Fuji Photo Film Co Ltd Method for developing photosensitive planographic printing plate
EP0418757A2 (en) * 1989-09-20 1991-03-27 Fuji Photo Film Co., Ltd. Light-sensitive material processing apparatus
EP0456167A2 (en) * 1990-05-08 1991-11-13 Fuji Photo Film Co., Ltd. Apparatus for treating a photosensitive material and method of adding water for use in the same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143640U (en) * 1977-04-18 1978-11-13
JPS59131930A (en) * 1982-10-21 1984-07-28 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Treatment of radiation photosensitive member
EP0107454A3 (en) * 1982-10-21 1986-03-12 Vickers Plc Improvements in or relating to the processing of radiation sensitive devices
US4577948A (en) * 1982-10-21 1986-03-25 Vickers Plc Method and apparatus for controlling the processing of radiation sensitive plates with a liquid by monitoring the electrical conductivity of the liquid
JPS60156063A (en) * 1984-01-25 1985-08-16 Fuji Photo Film Co Ltd Method and apparatus for automatically developing photosensitive lithographic plate
JPH0428296B2 (en) * 1984-01-25 1992-05-14 Fuji Photo Film Co Ltd
JPS6161164A (en) * 1984-08-31 1986-03-28 Konishiroku Photo Ind Co Ltd Method of replenishing development replenishing liquid automatic developing device of photosensitive planographic printing plate
JPH058823B2 (en) * 1984-08-31 1993-02-03 Konishiroku Photo Ind
JPS629353A (en) * 1985-07-08 1987-01-17 Fuji Photo Film Co Ltd Bubble detecting method
JPH01180548A (en) * 1988-01-12 1989-07-18 Fuji Photo Film Co Ltd Method for developing photosensitive planographic printing plate
EP0418757A2 (en) * 1989-09-20 1991-03-27 Fuji Photo Film Co., Ltd. Light-sensitive material processing apparatus
EP0456167A2 (en) * 1990-05-08 1991-11-13 Fuji Photo Film Co., Ltd. Apparatus for treating a photosensitive material and method of adding water for use in the same

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