BE724424A - - Google Patents

Info

Publication number
BE724424A
BE724424A BE724424DA BE724424A BE 724424 A BE724424 A BE 724424A BE 724424D A BE724424D A BE 724424DA BE 724424 A BE724424 A BE 724424A
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 BE724424A publication Critical patent/BE724424A/xx

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/06Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/062Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Electrically Operated Instructional Devices (AREA)
BE724424D 1968-01-09 1968-11-25 BE724424A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA9438 1968-01-09

Publications (1)

Publication Number Publication Date
BE724424A true BE724424A (xx) 1969-05-02

Family

ID=4083973

Family Applications (1)

Application Number Title Priority Date Filing Date
BE724424D BE724424A (xx) 1968-01-09 1968-11-25

Country Status (11)

Country Link
US (1) US3529101A (xx)
AT (1) AT292330B (xx)
BE (1) BE724424A (xx)
CH (1) CH469318A (xx)
DE (1) DE1811730B2 (xx)
ES (1) ES362014A1 (xx)
FR (1) FR1599196A (xx)
GB (1) GB1205466A (xx)
NL (1) NL155964B (xx)
OA (1) OA02948A (xx)
SE (1) SE331764B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693182A (en) * 1970-08-31 1972-09-19 Honeywell Inc Card recorder for transcribing magnetic information
US3864746A (en) * 1973-08-13 1975-02-04 Edward S Burgess End of message unit for use in push to talk microphones
US4044393A (en) * 1975-07-14 1977-08-23 Upaya, Inc. Hand guided tape player

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2281405A (en) * 1938-05-11 1942-04-28 Barrish Robert Lloyd Method and apparatus for transmission of signals
US2886650A (en) * 1952-10-22 1959-05-12 Univ Illinois Recording device
US2822425A (en) * 1954-09-14 1958-02-04 Walter R Hicks Book with sound track speaking head guided by opposite page
US3315242A (en) * 1963-04-24 1967-04-18 Ibm Modulation and transfer of information achieved by speed differential
US3341854A (en) * 1963-04-24 1967-09-12 Ibm Modulating magnetic record transfer means

Also Published As

Publication number Publication date
SE331764B (xx) 1971-01-11
OA02948A (fr) 1970-12-15
CH469318A (fr) 1969-02-28
ES362014A1 (es) 1970-09-01
DE1811730B2 (de) 1973-04-19
NL155964B (nl) 1978-02-15
AT292330B (de) 1971-08-25
NL6816686A (xx) 1969-07-11
DE1811730A1 (de) 1969-07-24
US3529101A (en) 1970-09-15
GB1205466A (en) 1970-09-16
FR1599196A (xx) 1970-07-15
DE1811730C3 (xx) 1973-11-15

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