FR2422507B1 - - Google Patents

Info

Publication number
FR2422507B1
FR2422507B1 FR7810766A FR7810766A FR2422507B1 FR 2422507 B1 FR2422507 B1 FR 2422507B1 FR 7810766 A FR7810766 A FR 7810766A FR 7810766 A FR7810766 A FR 7810766A FR 2422507 B1 FR2422507 B1 FR 2422507B1
Authority
FR
France
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.)
Expired
Application number
FR7810766A
Other languages
French (fr)
Other versions
FR2422507A1 (en
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.)
Electricite de France SA
Original Assignee
Electricite de France SA
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 Electricite de France SA filed Critical Electricite de France SA
Priority to FR7810766A priority Critical patent/FR2422507A1/en
Publication of FR2422507A1 publication Critical patent/FR2422507A1/en
Application granted granted Critical
Publication of FR2422507B1 publication Critical patent/FR2422507B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • 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
FR7810766A 1978-04-12 1978-04-12 Forming coloured inscription on paper - using a flat electrode carrying a moist sheet of paper contg. a pH sensitive developer, and a pointed inscription electrode Granted FR2422507A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7810766A FR2422507A1 (en) 1978-04-12 1978-04-12 Forming coloured inscription on paper - using a flat electrode carrying a moist sheet of paper contg. a pH sensitive developer, and a pointed inscription electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7810766A FR2422507A1 (en) 1978-04-12 1978-04-12 Forming coloured inscription on paper - using a flat electrode carrying a moist sheet of paper contg. a pH sensitive developer, and a pointed inscription electrode

Publications (2)

Publication Number Publication Date
FR2422507A1 FR2422507A1 (en) 1979-11-09
FR2422507B1 true FR2422507B1 (en) 1983-05-06

Family

ID=9207018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7810766A Granted FR2422507A1 (en) 1978-04-12 1978-04-12 Forming coloured inscription on paper - using a flat electrode carrying a moist sheet of paper contg. a pH sensitive developer, and a pointed inscription electrode

Country Status (1)

Country Link
FR (1) FR2422507A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57140175A (en) * 1981-02-24 1982-08-30 Ibm Printer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE817821C (en) * 1948-12-31 1951-10-22 Siemens & Halske A G Writing device for registering measuring devices

Also Published As

Publication number Publication date
FR2422507A1 (en) 1979-11-09

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Legal Events

Date Code Title Description
ST Notification of lapse