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FR2730592B1 - LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE - Google Patents

LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE

Info

Publication number
FR2730592B1
FR2730592B1 FR9501547A FR9501547A FR2730592B1 FR 2730592 B1 FR2730592 B1 FR 2730592B1 FR 9501547 A FR9501547 A FR 9501547A FR 9501547 A FR9501547 A FR 9501547A FR 2730592 B1 FR2730592 B1 FR 2730592B1
Authority
FR
France
Prior art keywords
portable telephone
amplifier device
listening amplifier
listening
telephone
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 - Fee Related
Application number
FR9501547A
Other languages
French (fr)
Other versions
FR2730592A1 (en
Inventor
Michele Blanchot
Jean Claude Nudelmont
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.)
Professional General Electronic Products PGEP SAS
Original Assignee
Professional General Electronic Products PGEP SAS
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 Professional General Electronic Products PGEP SAS filed Critical Professional General Electronic Products PGEP SAS
Priority to FR9501547A priority Critical patent/FR2730592B1/en
Publication of FR2730592A1 publication Critical patent/FR2730592A1/en
Application granted granted Critical
Publication of FR2730592B1 publication Critical patent/FR2730592B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H04M1/2155—Acoustic coupling
    • 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
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
FR9501547A 1995-02-10 1995-02-10 LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE Expired - Fee Related FR2730592B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9501547A FR2730592B1 (en) 1995-02-10 1995-02-10 LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9501547A FR2730592B1 (en) 1995-02-10 1995-02-10 LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE

Publications (2)

Publication Number Publication Date
FR2730592A1 FR2730592A1 (en) 1996-08-14
FR2730592B1 true FR2730592B1 (en) 1997-04-25

Family

ID=9476028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9501547A Expired - Fee Related FR2730592B1 (en) 1995-02-10 1995-02-10 LISTENING AMPLIFIER DEVICE FOR PORTABLE TELEPHONE

Country Status (1)

Country Link
FR (1) FR2730592B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7095981B1 (en) 2000-04-04 2006-08-22 Great American Technologies Low power infrared portable communication system with wireless receiver and methods regarding same
KR20030077445A (en) * 2002-03-26 2003-10-01 오버브레이크, 엘엘씨 Method and apparatus for using an external audio system with a communication device
ITTO20020874A1 (en) * 2002-10-09 2004-04-10 Ote S P A PMR HANDHELD WITH REMOVABLE SPEAKER UNIT.
EP2362684A1 (en) * 2010-02-23 2011-08-31 Aleksandar Krcmarevic Device for a HDO hearing aid and HDO hearing aid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2701768A1 (en) * 1977-01-18 1978-07-20 Hans Hermann Wittorf Loudspeaking telephone attachment - has inbuilt coil and amplifier activated by mercury switch sensitive to orientation of handset
FR2515456B1 (en) * 1981-10-28 1989-07-28 Lem REMOVABLE AMPLIFIED EARPHONE
DE9408745U1 (en) * 1993-12-10 1995-01-26 Agoston, Wolfgang, 65929 Frankfurt Mobile phone with external loudspeaker connection

Also Published As

Publication number Publication date
FR2730592A1 (en) 1996-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse