BE742831A - - Google Patents

Info

Publication number
BE742831A
BE742831A BE742831DA BE742831A BE 742831 A BE742831 A BE 742831A BE 742831D A BE742831D A BE 742831DA BE 742831 A BE742831 A BE 742831A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE742831A publication Critical patent/BE742831A/xx

Links

Classifications

    • 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
    • G09B13/00—Teaching typing
    • 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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/21—Utilizing thermal characteristic, e.g., expansion or contraction, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
BE742831D 1968-12-20 1969-12-09 BE742831A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78560068A 1968-12-20 1968-12-20

Publications (1)

Publication Number Publication Date
BE742831A true BE742831A (xx) 1970-05-14

Family

ID=25136007

Family Applications (2)

Application Number Title Priority Date Filing Date
BE742831D BE742831A (xx) 1968-12-20 1969-12-09
BE747528D BE747528R (fr) 1968-12-20 1970-03-18 Systeme d'enseignement

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE747528D BE747528R (fr) 1968-12-20 1970-03-18 Systeme d'enseignement

Country Status (5)

Country Link
US (1) US3654619A (xx)
BE (2) BE742831A (xx)
DE (1) DE1961883A1 (xx)
ES (1) ES374763A1 (xx)
FR (1) FR2026642A1 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808720A (en) * 1971-12-29 1974-05-07 J Smith Audio-visual display apparatus
JPS4940568U (xx) * 1972-07-14 1974-04-10
US3936805A (en) * 1973-12-26 1976-02-03 International Business Machines Corporation Dictation system for storing and retrieving audio information
JPS5212049A (en) * 1975-07-15 1977-01-29 Nippon Kogaku Kk <Nikon> Recording and reproducing unit for games
US4190967A (en) * 1978-06-12 1980-03-04 Ruegg Robert J Keyboard attachment system and method for keyboard training
US5249256A (en) * 1978-11-09 1993-09-28 Canon Kabushiki Kaisha Electronic instrument for putting out information in the form of voice
FR2448756A1 (fr) * 1979-02-09 1980-09-05 Electronique Sa Ste Occitane Dispositif audio-visuel pour realiser des jeux ou sequences educatives
CH636389A5 (de) * 1979-04-19 1983-05-31 Dorina Naehmasch Naehmaschine.
JPS5676838A (en) * 1979-11-28 1981-06-24 Hitachi Ltd Aural output display unit
US4639877A (en) * 1983-02-24 1987-01-27 Jostens Learning Systems, Inc. Phrase-programmable digital speech system
US4675840A (en) * 1983-02-24 1987-06-23 Jostens Learning Systems, Inc. Speech processor system with auxiliary memory access
DE4016040A1 (de) * 1990-05-18 1991-11-21 Vortex Gmbh Dt Sperrventil
US6108001A (en) * 1993-05-21 2000-08-22 International Business Machines Corporation Dynamic control of visual and/or audio presentation
US20020013573A1 (en) * 1995-10-27 2002-01-31 William B. Telfair Apparatus and method for tracking and compensating for eye movements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780679A (en) * 1955-03-29 1957-02-05 Jr Edgar F Vandivere Recording and reproducing systems
US2985069A (en) * 1959-12-21 1961-05-23 Sidney O Sampson Audio visual synchronous recorder projector
US3340524A (en) * 1963-03-08 1967-09-05 Ind Macchine Elettroniche I M Device for the digital display of data stored in electronic circuits
US3245156A (en) * 1963-09-23 1966-04-12 Northrop Corp Audio-visual display system
US3414985A (en) * 1967-01-18 1968-12-10 Educational Data Systems Inc Teaching apparatus

Also Published As

Publication number Publication date
FR2026642A1 (xx) 1970-09-18
DE1961883A1 (de) 1970-07-09
US3654619A (en) 1972-04-04
ES374763A1 (es) 1972-02-01
BE747528R (fr) 1970-08-31

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