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 (enrdf_load_html_response) 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 (enrdf_load_html_response)
FR (1) FR765856A (enrdf_load_html_response)
GB (1) GB411566A (enrdf_load_html_response)

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 (enrdf_load_html_response)

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