GB461073A - Improvements in electro-dynamic sound reproducers - Google Patents

Improvements in electro-dynamic sound reproducers

Info

Publication number
GB461073A
GB461073A GB35371/36A GB3537136A GB461073A GB 461073 A GB461073 A GB 461073A GB 35371/36 A GB35371/36 A GB 35371/36A GB 3537136 A GB3537136 A GB 3537136A GB 461073 A GB461073 A GB 461073A
Authority
GB
United Kingdom
Prior art keywords
electro
dynamic sound
sound reproducers
acoustic
jensen
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
GB35371/36A
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.)
JENSEN RADIO Manufacturing Co
Original Assignee
JENSEN RADIO Manufacturing Co
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 JENSEN RADIO Manufacturing Co filed Critical JENSEN RADIO Manufacturing Co
Publication of GB461073A publication Critical patent/GB461073A/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
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

461,073. Acoustic filters. JENSEN RADIO MANUFACTURING CO. May 3, 1935, No. 35371/36. Convention date, June 4, 1934. Divided out of 460,994. Drawings to Specification. [Class 13] [Also in Group XXXIX] The description is wholly included in Specification 460,994 as open to inspection under Sect. 91. Subordinate claims relate to the provision of an acoustic network forming a low-pass filter in association with a moving member of an electro-dynamic loud-speaker.
GB35371/36A 1934-06-04 1935-05-03 Improvements in electro-dynamic sound reproducers Expired GB461073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US460994XA 1934-06-04 1934-06-04

Publications (1)

Publication Number Publication Date
GB461073A true GB461073A (en) 1937-02-03

Family

ID=21941604

Family Applications (2)

Application Number Title Priority Date Filing Date
GB35371/36A Expired GB461073A (en) 1934-06-04 1935-05-03 Improvements in electro-dynamic sound reproducers
GB13250/35A Expired GB460994A (en) 1934-06-04 1935-05-03 Improvements in electro-dynamic sound reproducers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB13250/35A Expired GB460994A (en) 1934-06-04 1935-05-03 Improvements in electro-dynamic sound reproducers

Country Status (1)

Country Link
GB (2) GB461073A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350966A (en) * 1999-06-10 2000-12-13 Stefan Gamble Internal acoustic energy control treatment for loudspeaker or microphone housings
US10097926B2 (en) 2015-12-04 2018-10-09 Bose Corporation Voice coil bobbin for an electroacoustic transducer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900427B1 (en) * 1979-01-08 1979-08-02 Licentia Gmbh Dynamic transducer with a voice coil in an air gap filled with a magnetic fluid
SE0501267L (en) * 2005-06-03 2006-07-18 Tommy Skogsberg Acoustic shape resistance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350966A (en) * 1999-06-10 2000-12-13 Stefan Gamble Internal acoustic energy control treatment for loudspeaker or microphone housings
GB2350966B (en) * 1999-06-10 2001-08-22 Stefan Gamble Loudspeaker cabinet and microphone housing internal energy control treatment
US10097926B2 (en) 2015-12-04 2018-10-09 Bose Corporation Voice coil bobbin for an electroacoustic transducer

Also Published As

Publication number Publication date
GB460994A (en) 1937-02-03

Similar Documents

Publication Publication Date Title
GB461073A (en) Improvements in electro-dynamic sound reproducers
GB227162A (en) Improvements in electro-magnetic transmitters and receivers for reproducing sound
JPS53130013A (en) Diaphragm for speakers and production of the same
GB487566A (en) Earcap for telephone receivers or mouth-piece for microphones
FR842736A (en) Loudspeaker membrane improvements
GB405538A (en) Improvements in moving-coil loud speakers
GB626421A (en) Cabinet for phonographs
GB443816A (en) Loudspeakers
GB447846A (en) Improvements in and relating to moving-coil loud speakers
GB448189A (en) Improvements in or relating to moving coil loudspeakers
GB318608A (en)
GB451557A (en) New or improved method of and means for improving or correcting the acoustical effects of a room
CA339704A (en) Electro-dynamic loudspeaker
FR759064A (en) Membrane, especially for telephones, microphones or other electro-acoustic devices
CA325710A (en) Loud speaker diaphragm
CA363360A (en) Loudspeaker or microphone actuating member
CA377651A (en) Audio frequency amplifier
GB372472A (en) Improved diaphragm for gramophone sound boxes, telephone receivers and the like
CA301201A (en) Telephonic loud speaker
CA375326A (en) Loud speaker
GB516363A (en) Improvements relating to laminated moulds or dies particularly for use in moulding pulp and method of making same
AU103265B2 (en) Improvements in electroacoustical reproducers
FR868657A (en) Central office filter for the transmission of news by carrier frequency over telephone lines
CA367130A (en) Sound reproducing diaphragm
AU171738A (en) Improvements in or relating to tone control systems for audio frequency amplifiers