DK402382A - AUDITORIES TEACHING APPLIANCES - Google Patents

AUDITORIES TEACHING APPLIANCES Download PDF

Info

Publication number
DK402382A
DK402382A DK402382A DK402382A DK402382A DK 402382 A DK402382 A DK 402382A DK 402382 A DK402382 A DK 402382A DK 402382 A DK402382 A DK 402382A DK 402382 A DK402382 A DK 402382A
Authority
DK
Denmark
Prior art keywords
auditories
teaching appliances
appliances
teaching
auditories teaching
Prior art date
Application number
DK402382A
Other languages
Danish (da)
Inventor
David Allen Hotvet
Original Assignee
Telex Communications
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 Telex Communications filed Critical Telex Communications
Publication of DK402382A publication Critical patent/DK402382A/en

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
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication

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)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
DK402382A 1981-09-28 1982-09-09 AUDITORIES TEACHING APPLIANCES DK402382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30598581A 1981-09-28 1981-09-28

Publications (1)

Publication Number Publication Date
DK402382A true DK402382A (en) 1983-03-29

Family

ID=23183238

Family Applications (1)

Application Number Title Priority Date Filing Date
DK402382A DK402382A (en) 1981-09-28 1982-09-09 AUDITORIES TEACHING APPLIANCES

Country Status (9)

Country Link
JP (1) JPS5868085A (en)
AU (1) AU8876082A (en)
BE (1) BE894297A (en)
BR (1) BR8205282A (en)
DE (1) DE3234222A1 (en)
DK (1) DK402382A (en)
FR (1) FR2513841A1 (en)
GB (1) GB2107502A (en)
IT (1) IT1154026B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1186842B (en) * 1985-03-12 1987-12-16 Francesco Buzzi MULTIPLE TRANSMITTER AND RECEIVER COMPLEX FOR VISUAL COMMUNICATIONS
FR2892845A1 (en) * 2005-10-28 2007-05-04 Andre Greze Radio communication device for e.g. guiding students during exercise, has high frequency transmitter, micro-receiver with antenna, and audio amplifier with sound power for actuating loudspeaker which generates acoustic vibrations
EP3163910A1 (en) 2015-10-28 2017-05-03 GN Resound A/S A wireless hearing system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2289015A1 (en) * 1974-10-24 1976-05-21 France Etat Alarm system for theft of hand luggage - has alarm in luggage operated when moved beyond magnetic field produced by emitter on person

Also Published As

Publication number Publication date
GB2107502A (en) 1983-04-27
BE894297A (en) 1983-01-03
BR8205282A (en) 1983-08-16
IT8223377A0 (en) 1982-09-22
JPS5868085A (en) 1983-04-22
IT1154026B (en) 1987-01-21
AU8876082A (en) 1983-04-14
DE3234222A1 (en) 1983-04-21
FR2513841A1 (en) 1983-04-01

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment