GB190915657A - Improvements in Telephonic Receivers. - Google Patents

Improvements in Telephonic Receivers.

Info

Publication number
GB190915657A
GB190915657A GB190915657DA GB190915657A GB 190915657 A GB190915657 A GB 190915657A GB 190915657D A GB190915657D A GB 190915657DA GB 190915657 A GB190915657 A GB 190915657A
Authority
GB
United Kingdom
Prior art keywords
armature
telephonic receivers
telephonic
receivers
webb
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
Inventor
George Regester Webb
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190915657A publication Critical patent/GB190915657A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Seats For Vehicles (AREA)
  • Toys (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

15,657. Webb, G. R. July 5. Telephones.-In a magnetic receiver, an armature 6 suspended on a knife-edge on the end of one of the pole-pieces of the electro-magnet is connected to the diaphragm by a lever 5. The armature is adjusted by a thumb-screw to which the yielding suspension thread 12 is attached.,
GB190915657D 1909-07-05 1909-07-05 Improvements in Telephonic Receivers. Expired GB190915657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190915657T 1909-07-05

Publications (1)

Publication Number Publication Date
GB190915657A true GB190915657A (en) 1909-11-04

Family

ID=32556568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190915657D Expired GB190915657A (en) 1909-07-05 1909-07-05 Improvements in Telephonic Receivers.

Country Status (2)

Country Link
FR (1) FR404704A (en)
GB (1) GB190915657A (en)

Also Published As

Publication number Publication date
FR404704A (en) 1909-12-10

Similar Documents

Publication Publication Date Title
GB190915657A (en) Improvements in Telephonic Receivers.
GB909309A (en) Control systems employing transducers
US2461945A (en) Receiver connection in electroacoustic duplex system
US2380293A (en) Magnetically biased telephone ringer
US2492125A (en) Buzzer in telephone receiver for signaling
US643225A (en) Telephonic repeater.
GB190626872A (en) Improvements in Telephonic Receivers.
GB190925191A (en) Improvements in Appliances for Submarine Sound Signalling.
US312896A (en) Charles a
US1544653A (en) Electrical loud-speaking receiver
US255333A (en) Charles a
GB190215777A (en) Improvements in Telephone Instruments.
GB190717704A (en) Improvements in Loud Speaking Telephone Apparatus.
US539068A (en) Telephone
GB190714238A (en)
US1601413A (en) Electrical receiver apparatus
US836612A (en) Regulating device for telephone relays and transmitters.
GB221923A (en) Improvements in or relating to loud speaking telephones
GB127758A (en) Improvements in Telephone Receivers.
GB227560A (en) Improvements in telephone receivers and the like
GB191019517A (en) Improvements in Telephone Receivers.
GB116201A (en) Improvements in Telephone Receivers.
GB191406079A (en) Improvements in and connected with Devices for Recording Sounds.
GB190925112A (en) Improvements relating to Telephonic Receivers.
GB191208793A (en) Improvements relating to Telephone Relays or Receptors.