FR2511211B1 - SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS - Google Patents

SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS

Info

Publication number
FR2511211B1
FR2511211B1 FR8115580A FR8115580A FR2511211B1 FR 2511211 B1 FR2511211 B1 FR 2511211B1 FR 8115580 A FR8115580 A FR 8115580A FR 8115580 A FR8115580 A FR 8115580A FR 2511211 B1 FR2511211 B1 FR 2511211B1
Authority
FR
France
Prior art keywords
deficients
hearing
telephone handset
special telephone
special
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
FR8115580A
Other languages
French (fr)
Other versions
FR2511211A1 (en
Inventor
Jean-Noel Blanchard
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.)
LEM SA
Original Assignee
LEM SA
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 LEM SA filed Critical LEM SA
Priority to FR8115580A priority Critical patent/FR2511211B1/en
Publication of FR2511211A1 publication Critical patent/FR2511211A1/en
Application granted granted Critical
Publication of FR2511211B1 publication Critical patent/FR2511211B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
FR8115580A 1981-08-10 1981-08-10 SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS Expired FR2511211B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8115580A FR2511211B1 (en) 1981-08-10 1981-08-10 SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8115580A FR2511211B1 (en) 1981-08-10 1981-08-10 SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS

Publications (2)

Publication Number Publication Date
FR2511211A1 FR2511211A1 (en) 1983-02-11
FR2511211B1 true FR2511211B1 (en) 1987-07-10

Family

ID=9261404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8115580A Expired FR2511211B1 (en) 1981-08-10 1981-08-10 SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS

Country Status (1)

Country Link
FR (1) FR2511211B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570239B1 (en) * 1984-09-07 1988-07-15 Centre Nat Rech Scient EARPHONE, TELEPHONE HANDSET AND HEADSET FOR CORRECTING INDIVIDUAL HEARING DEFICIENCIES
FR2633125A1 (en) * 1988-06-17 1989-12-22 Sgs Thomson Microelectronics Acoustic apparatus with voice filtering card
FR2649272B1 (en) * 1989-06-30 1991-10-11 Depaepe Sa Henri ACOUSTIC AMPLIFICATION DEVICE FOR TELEPHONE SETTING
FR2762463B1 (en) * 1997-04-18 1999-06-04 Frederic Barok IMPROVED TELEPHONE APPARATUS FOR THE HEARING-HARD

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151376A (en) * 1977-01-24 1979-04-24 Walker Equipment & Service Co. Amplifier for telephone handset

Also Published As

Publication number Publication date
FR2511211A1 (en) 1983-02-11

Similar Documents

Publication Publication Date Title
GB2137458B (en) Digital handsfree telephone
GB2096434B (en) Loudspeaking telephone system
GB2077554B (en) Automatic telephone answering
MX153674A (en) SPEAKER TELEPHONE IMPROVEMENTS
FR2511211B1 (en) SPECIAL TELEPHONE HANDSET FOR HEARING DEFICIENTS
DE3578697D1 (en) TELEPHONE HANDSET.
EP0074319A3 (en) Telephone hand-set
AR231689A1 (en) TELEPHONE SUBSCRIBER TERMINAL
FR2523387B1 (en) TELEPHONE CONFERENCE CIRCUIT
FR2552288B1 (en) TELEPHONE SUBSCRIBER
FR2533783B1 (en) EXTENSIBLE TELEPHONE HANDSET
BE884175A (en) HANDSET
DK33485D0 (en) Hearing aids for telephone sets
FR2525061B1 (en) MEMBRANE FOR MICROPHONE
ATA21383A (en) TELEPHONE MICROPHONE
AR231890A1 (en) SUBSCRIBER TELEPHONE DEVICE
FR2490903B1 (en) TELEPHONE HANDSET
FR2518856B1 (en) ADDITIONAL RINGING ARRANGEMENT FOR TELEPHONE INSTALLATION
AU517168B3 (en) Telephone dialling aid
CA48920S (en) Telephone handset
FR2549664B3 (en) MULTIFUNCTIONAL SUPPORT FOR TELEPHONE HANDSET
KR860002080U (en) Hearing aid for telephone
FR2493647B1 (en) MULTIPLE CONFERENCE DEVICE FOR TELEPHONE CENTRAL
KR840002490U (en) Telephone handset
AU87916S (en) Telephone handset

Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
DA Annulment of decision of lapse
ST Notification of lapse