GB1400042A - Transceiver apparatus for use with a telephone handset to enable a deaf-mute to communicate by telephone - Google Patents

Transceiver apparatus for use with a telephone handset to enable a deaf-mute to communicate by telephone

Info

Publication number
GB1400042A
GB1400042A GB3931272A GB3931272A GB1400042A GB 1400042 A GB1400042 A GB 1400042A GB 3931272 A GB3931272 A GB 3931272A GB 3931272 A GB3931272 A GB 3931272A GB 1400042 A GB1400042 A GB 1400042A
Authority
GB
United Kingdom
Prior art keywords
signals
outgoing
incoming
telephone
deaf
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.)
Expired
Application number
GB3931272A
Other languages
English (en)
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.)
FRACASSI B
Original Assignee
FRACASSI B
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 B filed Critical FRACASSI B
Publication of GB1400042A publication Critical patent/GB1400042A/en
Expired 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
    • 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)
GB3931272A 1971-08-30 1972-08-23 Transceiver apparatus for use with a telephone handset to enable a deaf-mute to communicate by telephone Expired GB1400042A (en)

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
GB1400042A true GB1400042A (en) 1975-07-16

Family

ID=26329478

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3931272A Expired GB1400042A (en) 1971-08-30 1972-08-23 Transceiver apparatus for use with a telephone handset to enable a deaf-mute to communicate by telephone

Country Status (7)

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

Also Published As

Publication number Publication date
NL7211774A (https=) 1973-03-02
JPS4833709A (https=) 1973-05-12
DE2242253A1 (de) 1973-03-08
BE799530Q (fr) 1973-08-31
FR2152015A5 (https=) 1973-04-20
CH551121A (de) 1974-06-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees