DE3347932C2 - - Google Patents

Info

Publication number
DE3347932C2
DE3347932C2 DE3347932A DE3347932A DE3347932C2 DE 3347932 C2 DE3347932 C2 DE 3347932C2 DE 3347932 A DE3347932 A DE 3347932A DE 3347932 A DE3347932 A DE 3347932A DE 3347932 C2 DE3347932 C2 DE 3347932C2
Authority
DE
Germany
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
DE3347932A
Inventor
Keishi Kubo
Takaaki Miyashita
Akiyoshi Yokohama Kanagawa Jp Yasumori
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
Application granted granted Critical
Publication of DE3347932C2 publication Critical patent/DE3347932C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/08—Photoprinting; Processes and means for preventing photoprinting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
    • G03G21/046—Preventing copies being made of an original by discriminating a special original, e.g. a bank note
DE3347932A 1982-04-23 1983-04-22 Expired DE3347932C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57068394A JPS58184967A (ja) 1982-04-23 1982-04-23 機密文書複製防止方法

Publications (1)

Publication Number Publication Date
DE3347932C2 true DE3347932C2 (de) 1987-02-05

Family

ID=13372437

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19833314670 Granted DE3314670A1 (de) 1982-04-23 1983-04-22 Verfahren und vorrichtung zum verhindern der vervielfaeltigung von vertraulichen dokumenten
DE3347932A Expired DE3347932C2 (de) 1982-04-23 1983-04-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19833314670 Granted DE3314670A1 (de) 1982-04-23 1983-04-22 Verfahren und vorrichtung zum verhindern der vervielfaeltigung von vertraulichen dokumenten

Country Status (3)

Country Link
US (1) US4586811A (de)
JP (1) JPS58184967A (de)
DE (2) DE3314670A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426126A1 (de) * 1993-07-23 1995-01-26 Ricoh Kk Bilderzeugungseinrichtung

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59135451A (ja) * 1983-01-24 1984-08-03 Ricoh Co Ltd 機密文書複製防止方法
US4908873A (en) * 1983-05-13 1990-03-13 Philibert Alex C Document reproduction security system
US4723149A (en) * 1985-05-08 1988-02-02 Kabushiki Kaisha Toshiba Image forming apparatus having a function for checking to copy a secret document
JPS6247243A (ja) * 1985-08-24 1987-02-28 Matsushita Electric Ind Co Ltd 伝送中継装置
US4678322A (en) * 1986-05-30 1987-07-07 Xerox Corporation Method and apparatus for the prevention of unauthorized copying of documents
US4791449A (en) * 1986-05-30 1988-12-13 Xerox Corporation System for prevention of unauthorized copying
US4739377A (en) * 1986-10-10 1988-04-19 Eastman Kodak Company Confidential document reproduction method and apparatus
US5321470A (en) * 1988-05-13 1994-06-14 Canon Kabushiki Kaisha Apparatus with anti-forgery provision
DE68927410T2 (de) * 1988-05-13 1997-03-20 Canon Kk Gerät zur Bildherstellung
JP2763543B2 (ja) 1988-05-13 1998-06-11 キヤノン株式会社 画像再生装置および画像再生制御装置
SG126671A1 (en) * 1989-02-10 2006-11-29 Canon Kk Apparatus for image reading or processing
US4956666A (en) * 1989-06-13 1990-09-11 Eastman Kodak Company Secure copier and method of reproduction
US4980719A (en) * 1989-06-13 1990-12-25 Eastman Kodak Company Copier/printer and method for reproduction of secure documents or the like
DE3938603A1 (de) * 1989-11-21 1991-05-23 Jung Bayropa Gmbh Verfahren zum erkennen von kopien
US5255106A (en) * 1991-02-05 1993-10-19 International Integrated Communications, Ltd. Method and apparatus for delivering secured hard-copy facsimile documents
GB2258660B (en) * 1991-08-14 1995-06-07 De La Rue Thomas & Co Ltd Luminescent materials and their preparation
US5208630A (en) * 1991-11-04 1993-05-04 Xerox Corporation Process for the authentication of documents utilizing encapsulated toners
US5638186A (en) * 1991-12-19 1997-06-10 Ricoh Company Ltd. Multi-function machine for combining and routing image data
US6346989B1 (en) * 1992-08-24 2002-02-12 Canon Kabushiki Kaisha Image processing apparatus and method
JP3391825B2 (ja) * 1992-10-26 2003-03-31 キヤノン株式会社 非可視化情報記録媒体及び検出装置
JPH06164914A (ja) * 1992-11-20 1994-06-10 Toppan Printing Co Ltd 複写防止方法及び複写機
EP0605208B1 (de) * 1993-01-01 2001-10-31 Canon Kabushiki Kaisha Bildverarbeitungsvorrichtung und -verfahren sowie Bildlesevorrichtung
JP3369269B2 (ja) * 1993-01-28 2003-01-20 株式会社リコー 画像読取装置
US5440409A (en) * 1993-07-01 1995-08-08 Konica Corporation Image forming apparatus with an unapproved copy preventing means
US5647010A (en) * 1993-09-14 1997-07-08 Ricoh Company, Ltd. Image forming apparatus with security feature which prevents copying of specific types of documents
JP3391533B2 (ja) * 1993-12-08 2003-03-31 株式会社リコー 画像形成装置
US6036230A (en) * 1994-10-11 2000-03-14 Oesterreichische National Bank Paper, especially security paper
JPH08132773A (ja) * 1994-11-10 1996-05-28 Fuji Xerox Co Ltd 原稿読取り装置およびこれを有する画像形成装置
JP3178305B2 (ja) * 1995-06-29 2001-06-18 オムロン株式会社 画像処理方法及び装置並びにそれを搭載した複写機，スキャナ及びプリンター
US5830609A (en) * 1996-05-10 1998-11-03 Graphic Arts Technical Foundation Security printed document to prevent unauthorized copying
US6171734B1 (en) 1996-05-10 2001-01-09 Graphic Arts Technical Foundation Security printed document to prevent unauthorized copying
US6298446B1 (en) * 1998-06-14 2001-10-02 Alchemedia Ltd. Method and system for copyright protection of digital images transmitted over networks
US7006257B1 (en) * 1999-11-19 2006-02-28 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and storage medium
US7958213B1 (en) * 2000-09-21 2011-06-07 Siemens Enterprise Communications, Inc. Processing electronic messages
US7379205B2 (en) * 2003-12-16 2008-05-27 Pitney Bowes Inc. System and method for embedding and extracting key information
CN102191043B (zh) * 2010-03-08 2013-11-06 海洋王照明科技股份有限公司 氧化锌发光材料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713861A (en) * 1969-12-04 1973-01-30 Xerox Corp Inhibitor device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852088A (en) * 1972-03-20 1974-12-03 Ibm Security document system and method
US3887742A (en) * 1972-04-13 1975-06-03 Richard E Reinnagel Copy resistant documents
US4025673A (en) * 1972-04-13 1977-05-24 Reinnagel Richard E Method of forming copy resistant documents by forming an orderly array of fibers extending upward from a surface, coating the fibers and printing the coated fibers and the copy resistant document resulting from said method
SE399602B (sv) * 1974-10-25 1978-02-20 Id Kort Ab Identitets-, behorighets- eller kontrollhandling
US3977785A (en) * 1975-01-06 1976-08-31 Xerox Corporation Method and apparatus for inhibiting the operation of a copying machine
JPS523910A (en) * 1975-06-26 1977-01-12 Minoru Kitagawa Laminer flow mixture supply mechanism of wankel engine
JPS5218399A (en) * 1975-08-01 1977-02-10 Canon Inc Method to prevent use of forged bank notes, etc.
US4118122A (en) * 1977-02-07 1978-10-03 Xerox Corporation Method of rendering objects uncopyable by photocopy processes
JPS5436731A (en) * 1977-08-26 1979-03-17 Canon Inc Bank note forgery preventing device for copying apparatus
JPS5536873A (en) * 1978-09-08 1980-03-14 Dainippon Printing Co Ltd Copy prevention method
JPS5538513A (en) * 1978-09-10 1980-03-18 Yoshihiro Yonahara Copying preventing device
JPS5596973A (en) * 1979-01-17 1980-07-23 Yoshihiro Yonahara Copying preventing method
US4281921A (en) * 1979-09-17 1981-08-04 Auken John A Van Plural color anti-copying systems for xerographic and electrostatic copying machines
DE3020652A1 (de) * 1980-05-30 1981-12-10 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Wertpapier mit echtheitsmerkmalen in form von lumineszierenden substanzen und verfahren zur aenderung derselben
JPS5713902A (en) * 1980-06-24 1982-01-25 Akebono Brake Ind Co Ltd Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railway
US4456373A (en) * 1982-04-26 1984-06-26 Burlington Industries, Inc. Means for deterring misuse of copying machines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713861A (en) * 1969-12-04 1973-01-30 Xerox Corp Inhibitor device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM Techn. Disc. Bull., Vol. 19, No. 4, Sept. 1976, S. 1469 u. 1470 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426126A1 (de) * 1993-07-23 1995-01-26 Ricoh Kk Bilderzeugungseinrichtung
DE4426126C2 (de) * 1993-07-23 2000-05-25 Ricoh Kk Kopiergerät

Also Published As

Publication number Publication date
US4586811A (en) 1986-05-06
DE3314670A1 (de) 1983-11-03
DE3314670C2 (de) 1988-05-11
JPS58184967A (ja) 1983-10-28

Similar Documents

Publication Publication Date Title
DE3329041C2 (de)
DE3343409C2 (de)
DE3347932C2 (de)
FR2520544B1 (de)
DE3306319C2 (de)
FR2524220B1 (de)
DE3208906C2 (de)
DE3241530C2 (de)
DE3219860C2 (de)
CH669705GA3 (de)
FR2523200B1 (de)
DE3202352C2 (de)
CH655502B (de)
DE3246930C2 (de)
FR2525043B3 (de)
DE3329897C2 (de)
DE3201023C2 (de)
DE3225304C2 (de)
DE3220449C2 (de)
DE3233772C2 (de)
FR2521430B1 (de)
FR2520506B1 (de)
FR2523647B1 (de)
FR2521746B1 (de)
DE3320924C2 (de)

Legal Events

Date Code Title Description
Q172 Divided out of (supplement):

Ref country code: DE

Ref document number: 3314670

8110 Request for examination paragraph 44
AC Divided out of

Ref country code: DE

Ref document number: 3314670

Format of ref document f/p: P

D2 Grant after examination
8364 No opposition during term of opposition
AC Divided out of

Ref country code: DE

Ref document number: 3314670

Format of ref document f/p: P

8328 Change in the person/name/address of the agent

Free format text: BARZ, P., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 80803 MUENCHEN

8339 Ceased/non-payment of the annual fee