FR564941A - Improvements to telephone receivers and transmitters - Google Patents

Improvements to telephone receivers and transmitters

Info

Publication number
FR564941A
FR564941A FR564941DA FR564941A FR 564941 A FR564941 A FR 564941A FR 564941D A FR564941D A FR 564941DA FR 564941 A FR564941 A FR 564941A
Authority
FR
France
Prior art keywords
transmitters
telephone receivers
receivers
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
Application number
Other languages
French (fr)
Inventor
Albert-Marie Marquer
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 filed Critical
Application granted granted Critical
Publication of FR564941A publication Critical patent/FR564941A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
FR564941D 1923-04-10 1923-04-10 Improvements to telephone receivers and transmitters Expired FR564941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564941T 1923-04-10

Publications (1)

Publication Number Publication Date
FR564941A true FR564941A (en) 1924-01-15

Family

ID=8946115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564941D Expired FR564941A (en) 1923-04-10 1923-04-10 Improvements to telephone receivers and transmitters

Country Status (1)

Country Link
FR (1) FR564941A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075870A (en) * 1996-12-02 2000-06-13 Microtronic B.V. Electroacoustic transducer with improved shock resistance
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7236609B1 (en) 1999-10-07 2007-06-26 Knowles Electronics, Llc. Electro-acoustic transducer with resistance to shock-waves
US9859879B2 (en) 2015-09-11 2018-01-02 Knowles Electronics, Llc Method and apparatus to clip incoming signals in opposing directions when in an off state
US10945077B2 (en) 2017-12-30 2021-03-09 Knowles Electronics, Llc Electroacoustic transducer with improved shock protection
US11659337B1 (en) 2021-12-29 2023-05-23 Knowles Electronics, Llc Balanced armature receiver having improved shock performance

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075870A (en) * 1996-12-02 2000-06-13 Microtronic B.V. Electroacoustic transducer with improved shock resistance
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7236609B1 (en) 1999-10-07 2007-06-26 Knowles Electronics, Llc. Electro-acoustic transducer with resistance to shock-waves
US7995789B2 (en) 1999-10-07 2011-08-09 Knowles Electronics, Llc Electroacoustic transducer with resistance to shock-waves
US9859879B2 (en) 2015-09-11 2018-01-02 Knowles Electronics, Llc Method and apparatus to clip incoming signals in opposing directions when in an off state
US10945077B2 (en) 2017-12-30 2021-03-09 Knowles Electronics, Llc Electroacoustic transducer with improved shock protection
US11659337B1 (en) 2021-12-29 2023-05-23 Knowles Electronics, Llc Balanced armature receiver having improved shock performance

Similar Documents

Publication Publication Date Title
FR564941A (en) Improvements to telephone receivers and transmitters
FR608731A (en) Improvements to telegraph receivers
FR607912A (en) Improvements to sound transmitters and receivers
FR588290A (en) Improvements to telephone transmitters and receivers
FR564750A (en) Improvements to telephony receivers and the like
FR27812E (en) Improvements to speaker phones
FR705756A (en) Improvements to telephone transmitters
FR582522A (en) Improvements to telephone receivers
FR30857E (en) Improvements to telephone receivers
FR565182A (en) Improvements to telephone receivers
FR575494A (en) Improvements to telephone receivers
FR588100A (en) Improvements to loudspeaker receivers
FR604660A (en) Improvements to telephone receivers
FR588543A (en) Improvements to telephone receivers
FR576443A (en) Improvements to telephone devices
FR598466A (en) Improvements to telephone receivers
FR602147A (en) Improvements to telephone receivers
FR594668A (en) Improvements to telephone receivers
FR613355A (en) Improvements to telephone transmitters
FR605750A (en) Improvements to telephone transmitters
FR583697A (en) Improvements to telephone circuits
FR598346A (en) Improvements to speaker phone receivers
FR579132A (en) Improvements to audio phones
FR615276A (en) Improvements to telephone receivers
FR601707A (en) Improvements to telephone receivers