IT1013012B - TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE - Google Patents

TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE

Info

Publication number
IT1013012B
IT1013012B IT5256771A IT5256771A IT1013012B IT 1013012 B IT1013012 B IT 1013012B IT 5256771 A IT5256771 A IT 5256771A IT 5256771 A IT5256771 A IT 5256771A IT 1013012 B IT1013012 B IT 1013012B
Authority
IT
Italy
Prior art keywords
deaf
mute
hearing
weak
communications
Prior art date
Application number
IT5256771A
Other languages
Italian (it)
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
Application filed by Fracassi B filed Critical Fracassi B
Priority to IT5256771A priority Critical patent/IT1013012B/en
Priority to CH1243972A priority patent/CH551121A/en
Priority to GB3931272A priority patent/GB1400042A/en
Priority to DE19722242253 priority patent/DE2242253A1/en
Priority to JP8591472A priority patent/JPS4833709A/ja
Priority to NL7211774A priority patent/NL7211774A/xx
Priority to FR7230855A priority patent/FR2152015A5/fr
Priority to BE131104A priority patent/BE799530Q/en
Application granted granted Critical
Publication of IT1013012B publication Critical patent/IT1013012B/en

Links

IT5256771A 1971-08-30 1971-08-30 TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE IT1013012B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT5256771A IT1013012B (en) 1971-08-30 1971-08-30 TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE
CH1243972A CH551121A (en) 1971-08-30 1972-08-22 RECEIVER AND TRANSMITTER DEVICE AS ADDITIONAL DEVICE TO A TELEPHONE SUBSCRIBER STATION.
GB3931272A 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
DE19722242253 DE2242253A1 (en) 1971-08-30 1972-08-28 RECEIVING AND TRANSMITTING DEVICE THAT CAN BE CONNECTED TO AND USED WITH A TELEVISION SET AND ALLOWS THE EXCHANGE OF MESSAGES, EVEN BETWEEN THE DEAF-MUTE
JP8591472A JPS4833709A (en) 1971-08-30 1972-08-29
NL7211774A NL7211774A (en) 1971-08-30 1972-08-29
FR7230855A FR2152015A5 (en) 1971-08-30 1972-08-30
BE131104A BE799530Q (en) 1971-08-30 1973-05-15 ACOUSTIC SIGNAL RECEPTION AND TRANSMISSION APPARATUS APPLICABLE TO THE TELEPHONE TO ENABLE THE USE ALSO TO DEAF-MUTE,

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5256771A IT1013012B (en) 1971-08-30 1971-08-30 TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE

Publications (1)

Publication Number Publication Date
IT1013012B true IT1013012B (en) 1977-03-30

Family

ID=11277253

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5256771A IT1013012B (en) 1971-08-30 1971-08-30 TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE

Country Status (1)

Country Link
IT (1) IT1013012B (en)

Similar Documents

Publication Publication Date Title
SE403871B (en) COMBINED TRANSMITTER AND RECEIVER UNIT FOR DUPLEX TYPE TELECOMMUNICATION SYSTEM
DK108094C (en) Transmission system for transmitting impulse signals and the associated transmitter and receiver.
IT993616B (en) HEARING AID WITH ADJUSTABLE BIDIRECTIONAL MICROPHONE INPUT
NL7809902A (en) DUPLEX TRANSMITTER RECEIVER.
OA00252A (en) Stereophonic transmission and reception system.
DK107877C (en) Transmission system for transmitting impulse signals and transmitter and receiver for uses therein.
AU450452B2 (en) Delay-and attenuation equalizer
DK118833B (en) System for single-side band transmission of signals and transmitter and receiver for use in the system.
IT1088164B (en) SOUND RECEIVER SYSTEM WITH SELECTED DIRECTIONAL BAND ELIMINATION
IT1013012B (en) TRANSMITTING RECEIVER DEVICE FOR COMMUNICATIONS BETWEEN OR WITH THE DEAF, MUTE AND WEAK OF HEARING WITH THE AID OF NORMAL TELEPHONE DEVICE
NL178739C (en) STEREO TRANSMITTER AND RECEIVER.
IT1045055B (en) TRANSMITTER RIOE DEVICE FOR COMMUNICATIONS BETWEEN AND WITH DEAF MYTHS AND HEARING DERIVATIONS WITH THE AID OF NORMAL TELEPHONE
DK109812C (en) Portable two-way radio transmitter and receiver equipment.
JPS5318304A (en) Privacy communication unit
CA969686A (en) Telephone line receiver and transmitter
FR977153A (en) Secret telephone communication system
JPS5221588A (en) Remote monitor device
JPS51144105A (en) Noise-proof telephone
CH425897A (en) Disinfectant disk for microphone or telephone receiver
CA475213A (en) Combined telephone and telegraph systems
AU5569365A (en) Hearing protection device fora telephone receiver
CA649435A (en) Sound attenuation
AU3944672A (en) Device for attenuating and transmitting sound
AU2983667A (en) Telephone transmitter amplifier
CH550519A (en) TELEPHONE NETWORK FOR TRANSMITTING AND TRANSMISSION OF TELEPHONY, TELEWRAPH AND DATA SIGNALS.