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.)
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 LtdfiledCriticalRicoh Co Ltd
Publication of FR2169236A1publicationCriticalpatent/FR2169236A1/fr
Application grantedgrantedCritical
Publication of FR2169236B1publicationCriticalpatent/FR2169236B1/fr
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/20—Duplicating or marking methods; Sheet materials for use therein using electric current
G—PHYSICS
G01—MEASURING; TESTING
G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
G01D15/34—Recording surfaces
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Fax Reproducing Arrangements
(AREA)
Photoreceptors In Electrophotography
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
FR7302603A1972-01-281973-01-25Recording materials - contg supported recording layer contg reducible metal cpd and copper iodide mixt
GrantedFR2169236A1
(en)