NL7406483A - - Google Patents

Info

Publication number
NL7406483A
NL7406483A NL7406483A NL7406483A NL7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A NL 7406483 A NL7406483 A NL 7406483A
Authority
NL
Netherlands
Application number
NL7406483A
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 NL7406483A publication Critical patent/NL7406483A/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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied

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)
  • Recording Or Reproducing By Magnetic Means (AREA)
NL7406483A 1973-05-15 1974-05-14 NL7406483A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973057045U JPS548825Y2 (xx) 1973-05-15 1973-05-15

Publications (1)

Publication Number Publication Date
NL7406483A true NL7406483A (xx) 1974-11-19

Family

ID=13044467

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7406483A NL7406483A (xx) 1973-05-15 1974-05-14

Country Status (8)

Country Link
US (1) US3969831A (xx)
JP (1) JPS548825Y2 (xx)
CA (1) CA1015557A (xx)
DE (1) DE2423025C3 (xx)
FR (1) FR2230031B1 (xx)
GB (1) GB1467675A (xx)
IT (1) IT1033075B (xx)
NL (1) NL7406483A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50136676U (xx) * 1974-04-25 1975-11-11
JPS60148232U (ja) * 1984-03-13 1985-10-02 岐阜プラスチック工業株式会社 折りたたみ式間仕切り
US4817127A (en) * 1986-08-08 1989-03-28 Dictaphone Corporation Modular dictation/transcription system
FR2673024B1 (fr) * 1991-01-29 1994-11-18 Sonodac Dispositif formant laboratoire de langues portable.
JP4904971B2 (ja) * 2006-08-01 2012-03-28 ヤマハ株式会社 演奏教習用設定装置及びプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200516A (en) * 1961-04-21 1965-08-17 Fleetwood Furniture Company Electronic teaching device
US3181253A (en) * 1962-03-20 1965-05-04 Candreva George Laboratory teaching system
US3217428A (en) * 1963-07-24 1965-11-16 Stuart M Spaulding Teaching laboratory
US3315375A (en) * 1964-05-19 1967-04-25 William L Heinz Teaching system
US3470785A (en) * 1967-08-14 1969-10-07 Conn Ltd C G Teaching aid for electric keyboard instrument
US3462855A (en) * 1968-10-14 1969-08-26 Judson E Cornish Teaching cabinet
US3705271A (en) * 1971-03-26 1972-12-05 Economy Co Audio tutoring device including recording capability

Also Published As

Publication number Publication date
JPS548825Y2 (xx) 1979-04-23
DE2423025B2 (de) 1977-08-04
DE2423025A1 (de) 1974-11-21
FR2230031A1 (xx) 1974-12-13
JPS503659U (xx) 1975-01-16
US3969831A (en) 1976-07-20
GB1467675A (en) 1977-03-16
IT1033075B (it) 1979-07-10
CA1015557A (en) 1977-08-16
FR2230031B1 (xx) 1980-01-04
DE2423025C3 (de) 1978-04-06

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
BN A decision not to publish the application has become irrevocable