GB411566A - Improvements relating to microphones and receivers - Google Patents

Improvements relating to microphones and receivers

Info

Publication number
GB411566A
GB411566A GB3689832A GB3689832A GB411566A GB 411566 A GB411566 A GB 411566A GB 3689832 A GB3689832 A GB 3689832A GB 3689832 A GB3689832 A GB 3689832A GB 411566 A GB411566 A GB 411566A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
case
ring
giving rise
contact potential
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
GB3689832A
Other languages
English (en)
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
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
Priority to BE400294D priority Critical patent/BE400294A/xx
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Priority to GB3689832A priority patent/GB411566A/en
Priority to FR765856D priority patent/FR765856A/fr
Publication of GB411566A publication Critical patent/GB411566A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Road Signs Or Road Markings (AREA)
  • Building Environments (AREA)
  • Prevention Of Electric Corrosion (AREA)
GB3689832A 1932-12-30 1932-12-30 Improvements relating to microphones and receivers Expired GB411566A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE400294D BE400294A (fr) 1932-12-30
GB3689832A GB411566A (en) 1932-12-30 1932-12-30 Improvements relating to microphones and receivers
FR765856D FR765856A (fr) 1932-12-30 1933-12-20 Perfectionnements relatifs aux microphones et récepteurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3689832A GB411566A (en) 1932-12-30 1932-12-30 Improvements relating to microphones and receivers

Publications (1)

Publication Number Publication Date
GB411566A true GB411566A (en) 1934-06-14

Family

ID=10392049

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3689832A Expired GB411566A (en) 1932-12-30 1932-12-30 Improvements relating to microphones and receivers

Country Status (3)

Country Link
BE (1) BE400294A (fr)
FR (1) FR765856A (fr)
GB (1) GB411566A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976947C (de) * 1952-06-25 1964-09-17 Standard Elek K Lorenz Ag Federnde Einspannung der Membran einer Sprech- oder Hoerkapsel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976947C (de) * 1952-06-25 1964-09-17 Standard Elek K Lorenz Ag Federnde Einspannung der Membran einer Sprech- oder Hoerkapsel

Also Published As

Publication number Publication date
FR765856A (fr) 1934-06-18
BE400294A (fr)

Similar Documents

Publication Publication Date Title
GB1256652A (fr)
GB411566A (en) Improvements relating to microphones and receivers
GB529869A (en) Improvements in telephone transmitters of the carbon granule type
GB552328A (en) Improvements in or relating to loud speakers and the like
US2266788A (en) Hearing aid device
GB855972A (en) Improvements in and relating to microphones
GB709656A (en) Improvements in electrodynamic sound receiving and transmitting apparatus
GB367578A (en) Improvements in telephone systems such as public address systems and the like
GB400440A (en) Improvements in or relating to microphones
GB295668A (en) Telephone receivers
GB274957A (en) Improvements in or relating to telephone apparatus
Nelson Patterns of Land Settlement.
GB326310A (en) Improvements in and relating to microphones
GB341006A (en) Improvements in or relating to microphones
GB254582A (en) Improvements in telephone receivers
GB344539A (en) Improvements in or relating to directional aerial systems
GB1206164A (en) Improvements in or relating to moving coil transducers
GB356246A (en) Improvements in the construction of field magnets for moving coil loud speakers
GB451703A (en) The recovery of silver from thiosulphate solutions
GB973479A (en) Improvements in hearing aids
GB261089A (en) Improvements in sound reproduction, recording, amplification and like devices
GB548273A (en) Improvements in sound reproducing and receiving devices
GB206914A (en) Improvements in, or relating to receivers as used in line or wireless telephony, and the like
GB191023748A (en) Improvements in and relating to Telephone Receivers.
GB1074160A (en) Improved loudspeaker