BE799530Q - Appareil de reception et de transmission de signaux acoustiques applicable au telephone pour en permettre l'usage egalement aux sourds-muets, - Google Patents

Appareil de reception et de transmission de signaux acoustiques applicable au telephone pour en permettre l'usage egalement aux sourds-muets,

Info

Publication number
BE799530Q
BE799530Q BE131104A BE131104A BE799530Q BE 799530 Q BE799530 Q BE 799530Q BE 131104 A BE131104 A BE 131104A BE 131104 A BE131104 A BE 131104A BE 799530 Q BE799530 Q BE 799530Q
Authority
BE
Belgium
Prior art keywords
deaf
mute
telephone
enable
transmission apparatus
Prior art date
Application number
BE131104A
Other languages
English (en)
French (fr)
Original Assignee
Fracassi Bruno
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
Priority claimed from IT5256771A external-priority patent/IT1013012B/it
Priority claimed from IT5360271A external-priority patent/IT1045055B/it
Application filed by Fracassi Bruno filed Critical Fracassi Bruno
Application granted granted Critical
Publication of BE799530Q publication Critical patent/BE799530Q/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
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Telephone Set Structure (AREA)
BE131104A 1971-08-30 1973-05-15 Appareil de reception et de transmission de signaux acoustiques applicable au telephone pour en permettre l'usage egalement aux sourds-muets, BE799530Q (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT5256771A IT1013012B (it) 1971-08-30 1971-08-30 Dispositivo rice trasmittente per comunicazioni tra o con sordi muti e deboli di udito con l ausilio di normale apparecchio telefonico
IT5360271A IT1045055B (it) 1971-10-21 1971-10-21 Dispositivo rioe trasmittente per comunicazioni tra e con sordi miti e deroli d udito con l ausilio di normale apparecchio telefonico

Publications (1)

Publication Number Publication Date
BE799530Q true BE799530Q (fr) 1973-08-31

Family

ID=26329478

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131104A BE799530Q (fr) 1971-08-30 1973-05-15 Appareil de reception et de transmission de signaux acoustiques applicable au telephone pour en permettre l'usage egalement aux sourds-muets,

Country Status (7)

Country Link
JP (1) JPS4833709A (OSRAM)
BE (1) BE799530Q (OSRAM)
CH (1) CH551121A (OSRAM)
DE (1) DE2242253A1 (OSRAM)
FR (1) FR2152015A5 (OSRAM)
GB (1) GB1400042A (OSRAM)
NL (1) NL7211774A (OSRAM)

Also Published As

Publication number Publication date
DE2242253A1 (de) 1973-03-08
FR2152015A5 (OSRAM) 1973-04-20
GB1400042A (en) 1975-07-16
JPS4833709A (OSRAM) 1973-05-12
CH551121A (de) 1974-06-28
NL7211774A (OSRAM) 1973-03-02

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