#Aural communication pdf#

Modern high speed transportation and the greatly increased numbers of persons traveling about the world have brought about much need for communication between persons speaking ditferent languages.

one-fourth to Joseph Coors, and one-fourth to Paul E. Appleton, Wheatridge, (3010., assignors of one-half to Joseph M. App/efon ATTORNEYS United States Patent Office 3,287,830 VISUAL AND AURAL COMMUNICATION DEVICE Paul E. FLEURY ETAL 3,287,330 I VISUAL AND AURAL COMMUNICATION DEVICE I Filed Ap4 Sheets-Sheet 4 INVENTORS. 29, 1966 P, FLEURY ETAL VISUAL AND AURAL COMMUNICATION DEVICE Filed Ap4 Sheets-Sheet 5 INVENTORS. 29, 1966 VISUAL AND AURAL COMMUNICATION DEVICE 4 Sheets- Sheet 2 Filed ApIJDEIBDDDPU HCUDIJDDD EDGE DUUDDDU IJDD DD UIJDDUDDU II lllll Fmgxfi INVENTORS. FLEURY ETAL 33 VISUAL AND AURAL COMMUNICATION DEVICE Filed April 2'7, 1964 4 SheetsSheet 1 INVENTORS Paul E. G09B5/067- Combinations of audio and projected visual presentation, e.g.G09B5/06- Electrically-operated educational appliances with both visual and audible presentation of the material to be studied.G09B5/00- Electrically-operated educational appliances.G09B- EDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS.

G09- EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS.

238000004642 transportation engineering Methods 0.000 description 2.

238000004519 manufacturing process Methods 0.000 description 2.

238000006011 modification reaction Methods 0.000 description 8.

230000000875 corresponding Effects 0.000 claims description 14.

230000000007 visual effect Effects 0.000 title claims description 118.

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 Joseph M Gidding, Joseph Coors, Paul E Fleury filed Critical Joseph M Gidding Priority to US362565A priority Critical patent/US3287830A/en Application granted granted Critical Publication of US3287830A publication Critical patent/US3287830A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US362565A Inventor Paul E Fleury Raymond H Appleton Original Assignee Joseph M Gidding Joseph Coors Paul E Fleury Priority date (The priority date is an assumption and is not a legal conclusion.

#Aural communication pdf#

Google Patents Visual and aural communication deviceĭownload PDF Info Publication number US3287830A US3287830A US362565A US36256564A US3287830A US 3287830 A US3287830 A US 3287830A US 362565 A US362565 A US 362565A US 36256564 A US36256564 A US 36256564A US 3287830 A US3287830 A US 3287830A Authority US United States Prior art keywords visual reproduction strip sound carriage Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3287830A - Visual and aural communication device US3287830A - Visual and aural communication device