BE708496A - - Google Patents

Info

Publication number: BE708496A
Authority: BE; Belgium

Application number

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.)

1966-12-27

Filing date

1967-12-22

Publication date

1968-06-24

1967-12-22 Application filed filed Critical

1968-06-24 Publication of BE708496A publication Critical patent/BE708496A/xx

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
- G09B3/06—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
- G09B3/08—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form
- G09B3/085—Manually or mechanically operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made of chart form with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Business, Economics & Management (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
Theoretical Computer Science (AREA)
Developing Agents For Electrophotography (AREA)
Combination Of More Than One Step In Electrophotography (AREA)
Printing Methods (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

BE708496D 1966-12-27 1967-12-22 BE708496A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US60474966A	1966-12-27	1966-12-27

Publications (1)

Publication Number	Publication Date
BE708496A true BE708496A (fr)	1968-06-24

Family

ID=24420871

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE708496D BE708496A (fr)	1966-12-27	1967-12-22

Country Status (7)

Country	Link
JP (1)	JPS5236012B1 (fr)
BE (1)	BE708496A (fr)
DE (1)	DE1572939A1 (fr)
FR (1)	FR1548188A (fr)
GB (1)	GB1214329A (fr)
NL (1)	NL6717552A (fr)
SE (1)	SE344127B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1536582A (en) *	1975-01-31	1978-12-20	Shade Inc	Method of reusing substrate for image presentation
FR2656713B1 (fr) *	1990-01-03	1992-12-04	Miehe Roger	Dispositif pour l'indication de donnees.
US20070281224A1 (en) *	2006-05-31	2007-12-06	Kerry Arthur Kirk	Scratch-off document and method for producing same
GB0800716D0 (en) *	2008-01-16	2008-02-20	Drinkwater Kenneth J	Novel diffusers, novel methods of manufacture, and novel gas and light barrier structures and applications
US8342576B2 (en)	2010-02-09	2013-01-01	Xerox Corporation	Method and system of printing a scratch-off document
US8883390B1 (en) *	2013-04-19	2014-11-11	Eastman Kodak Company	Method for creating a scratch-off document

1967
- 1967-12-20 JP JP8127967A patent/JPS5236012B1/ja active Pending
- 1967-12-21 GB GB5801767A patent/GB1214329A/en not_active Expired
- 1967-12-22 BE BE708496D patent/BE708496A/xx unknown
- 1967-12-22 SE SE1777967A patent/SE344127B/xx unknown
- 1967-12-22 NL NL6717552A patent/NL6717552A/xx unknown
- 1967-12-27 DE DE19671572939 patent/DE1572939A1/de active Pending
- 1967-12-27 FR FR1548188D patent/FR1548188A/fr not_active Expired

Also Published As

Publication number	Publication date
NL6717552A (fr)	1968-06-28
GB1214329A (en)	1970-12-02
JPS5236012B1 (fr)	1977-09-13
FR1548188A (fr)	1968-11-29
SE344127B (fr)	1972-03-27
DE1572939A1 (de)	1970-03-26

Publication	Publication Date	Title
FR1548188A (fr)	1968-11-29
AU5917865A (fr)	1967-11-23
AU428063B2 (fr)	1972-09-13
AU1141566A (fr)	1968-03-21
AU433222B2 (fr)	1973-03-01
AU5895065A (fr)	1967-11-09
AU612166A (fr)	1968-01-04
AU1144366A (fr)	1968-04-26
AU6703465A (fr)	1968-04-26
AU1393566A (fr)	1968-05-16
BE674777A (fr)	1966-05-03
BE637138A (fr)
BE692934A (fr)	1967-07-20
BE692878A (fr)	1967-07-19
BE692815A (fr)	1967-07-18
BE692081A (fr)	1967-05-29
BE682669A (fr)	1966-12-01
BE675173A (fr)	1966-05-16
BE675139A (fr)	1966-05-03
BE675084A (fr)	1966-04-03
BE674987A (fr)	1966-06-16
BE674882A (fr)	1966-05-03
BE674792A (fr)	1966-05-03
BE529218A (fr)
BE674713A (fr)	1966-05-03