GB295625A - Improvements in or relating to sound reproducers - Google Patents

Improvements in or relating to sound reproducers

Info

Publication number
GB295625A
GB295625A GB15688/28A GB1568828A GB295625A GB 295625 A GB295625 A GB 295625A GB 15688/28 A GB15688/28 A GB 15688/28A GB 1568828 A GB1568828 A GB 1568828A GB 295625 A GB295625 A GB 295625A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
diaphragm
connected together
under tension
secured
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
GB15688/28A
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.)
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
Publication of GB295625A publication Critical patent/GB295625A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB15688/28A 1927-08-15 1928-05-29 Improvements in or relating to sound reproducers Expired GB295625A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US212944A US1672796A (en) 1927-08-15 1927-08-15 Sound reproducer

Publications (1)

Publication Number Publication Date
GB295625A true GB295625A (en) 1929-08-29

Family

ID=22793058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15688/28A Expired GB295625A (en) 1927-08-15 1928-05-29 Improvements in or relating to sound reproducers

Country Status (4)

Country Link
US (1) US1672796A (enrdf_load_stackoverflow)
BE (1) BE352291A (enrdf_load_stackoverflow)
FR (1) FR657396A (enrdf_load_stackoverflow)
GB (1) GB295625A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519322A (en) * 1947-03-06 1950-08-15 Stewart A Downs Molasses dispenser for cattle
US2837340A (en) * 1952-04-07 1958-06-03 Golda A Duncan Mechanical sound reproducing device
US2853146A (en) * 1955-02-07 1958-09-23 George A Coates Transmitter with vibratile air coupling
US3985201A (en) * 1974-10-24 1976-10-12 Kloster Glenn R Infinite sound reproduction chamber
US4039044A (en) * 1974-11-25 1977-08-02 Oskar Heil Low frequency electro-acoustic transducer with interconnected diaphragms interleaved with fixed diaphragms
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US6061461A (en) * 1998-05-08 2000-05-09 Paddock; Paul W. Audio transducer

Also Published As

Publication number Publication date
BE352291A (enrdf_load_stackoverflow)
FR657396A (fr) 1929-05-22
US1672796A (en) 1928-06-05

Similar Documents

Publication Publication Date Title
GB863659A (en) Improvements in and relating to electro-acoustic transducers
GB295625A (en) Improvements in or relating to sound reproducers
US1778084A (en) Screen loud-speaker
US1613609A (en) Acoustic device
US1644605A (en) Sound amplifier for radio and telephone reception
US1771266A (en) Radio loud-speaker
GB315294A (en) Improvements in electro-static sound reproducers
US1947749A (en) Loud speaker
GB316007A (en) Improvements in or relating to sound reproducing devices such as loud speakers
GB328237A (en) Improvements in or relating to talking machines, and loud speakers
GB385082A (en) Improvements in devices for protecting the ear against acoustic shocks
US1884171A (en) Sound reproducing device
GB243837A (en) Improvements in sound producing devices
GB331064A (en) Improvements in or relating to diaphragm units for loud speakers and the like
GB455208A (en) Improvements in electro-dynamic loud speakers, microphones and the like sound reproducing and recording apparatus
GB336322A (en) Improvements in or relating to loud speakers
GB322484A (en) Improvements in loud speakers and the like
GB298818A (en) Improvements in or relating to loud speakers for wireless installations
US1993768A (en) Acoustic device
GB320873A (en) Improvements in sound-reproducing apparatus
US1713399A (en) Loud-speaker
GB329376A (en) Improvements in and relating to sound reproducing diaphragms
GB334350A (en) Improvements in or relating to mounting cone diaphragms of loud speakers and the like
GB257317A (en) Improvements in or relating to devices for emitting or receiving sound
GB297539A (en) Improvements in or relating to sound reproducing devices such as loud speakers