FR1067282A - Improvement in telephone receivers - Google Patents

Improvement in telephone receivers

Info

Publication number
FR1067282A
FR1067282A FR1067282DA FR1067282A FR 1067282 A FR1067282 A FR 1067282A FR 1067282D A FR1067282D A FR 1067282DA FR 1067282 A FR1067282 A FR 1067282A
Authority
FR
France
Prior art keywords
improvement
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
Georges Beau
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.)
LE TELEPHONE PRIVE NAT
Original Assignee
LE TELEPHONE PRIVE NAT
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 LE TELEPHONE PRIVE NAT filed Critical LE TELEPHONE PRIVE NAT
Application granted granted Critical
Publication of FR1067282A publication Critical patent/FR1067282A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04Structural association of microphone with electric circuitry therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1067282D 1952-11-28 1952-11-28 Improvement in telephone receivers Expired FR1067282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1067282T 1952-11-28

Publications (1)

Publication Number Publication Date
FR1067282A true FR1067282A (en) 1954-06-14

Family

ID=9603163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1067282D Expired FR1067282A (en) 1952-11-28 1952-11-28 Improvement in telephone receivers

Country Status (1)

Country Link
FR (1) FR1067282A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899499A (en) * 1959-08-11 Eichwald
NL1037787C2 (en) * 2010-03-09 2011-09-13 Rolf Peter Dijkgraaf METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899499A (en) * 1959-08-11 Eichwald
NL1037787C2 (en) * 2010-03-09 2011-09-13 Rolf Peter Dijkgraaf METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED

Similar Documents

Publication Publication Date Title
FR1064265A (en) Improvement in suspensions
FR1078796A (en) Improvement in boumerange
FR1074254A (en) Improvement in bumper bearings
FR1067282A (en) Improvement in telephone receivers
FR1072573A (en) Improvement in frontofocometers
FR1052695A (en) Improvements to telephone sets
FR1053549A (en) Improvement in elevators
FR1069248A (en) Stretcher refinements
FR1066398A (en) Improvements to automatic telephone systems
FR1058491A (en) Improvements to automatic telephone systems
FR1060728A (en) Improvements in variometric capacities
FR1061950A (en) Improvement in watertight fittings
FR63282E (en) Filter improvement
FR1033068A (en) Improvement in telephone receivers
FR1055549A (en) Improvement in ebulliometers
FR1071509A (en) Improvement in mules-jennys
FR62425E (en) Improvements in special steels
FR1058281A (en) Improvement in seals
FR1073282A (en) Improvement in ski-skis
FR1082394A (en) Superheterodyne receiver
FR1058339A (en) Improvement in mounted dethatchers
FR1061243A (en) Improvement in automatic radio-compasses
FR1078499A (en) Improvements in transmissions
FR1137440A (en) Improvement in sliding contacts
FR1073530A (en) Improvements to telephone installations