AU8876082A - Portable communication - Google Patents

Portable communication

Info

Publication number
AU8876082A
AU8876082A AU88760/82A AU8876082A AU8876082A AU 8876082 A AU8876082 A AU 8876082A AU 88760/82 A AU88760/82 A AU 88760/82A AU 8876082 A AU8876082 A AU 8876082A AU 8876082 A AU8876082 A AU 8876082A
Authority
AU
Australia
Prior art keywords
portable communication
portable
communication
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU88760/82A
Inventor
David Allen Hotvet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Security Systems Inc
Original Assignee
Telex Communications Inc
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 Inc filed Critical Telex Communications Inc
Publication of AU8876082A publication Critical patent/AU8876082A/en
Abandoned legal-status Critical Current

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)
AU88760/82A 1981-09-28 1982-09-27 Portable communication Abandoned AU8876082A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30598581A 1981-09-28 1981-09-28
US305985 1981-09-28

Publications (1)

Publication Number Publication Date
AU8876082A true AU8876082A (en) 1983-04-14

Family

ID=23183238

Family Applications (1)

Application Number Title Priority Date Filing Date
AU88760/82A Abandoned AU8876082A (en) 1981-09-28 1982-09-27 Portable communication

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
IT8223377A0 (en) 1982-09-22
BE894297A (en) 1983-01-03
DK402382A (en) 1983-03-29
JPS5868085A (en) 1983-04-22
DE3234222A1 (en) 1983-04-21
IT1154026B (en) 1987-01-21
FR2513841A1 (en) 1983-04-01
BR8205282A (en) 1983-08-16
GB2107502A (en) 1983-04-27

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