GB620159A - Improvements in and relating to loudspeakers, microphones and the like - Google Patents
Improvements in and relating to loudspeakers, microphones and the likeInfo
- Publication number
- GB620159A GB620159A GB1898546A GB1898546A GB620159A GB 620159 A GB620159 A GB 620159A GB 1898546 A GB1898546 A GB 1898546A GB 1898546 A GB1898546 A GB 1898546A GB 620159 A GB620159 A GB 620159A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microphones
- loudspeakers
- relating
- loud
- former
- 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
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
620,159. Moving coil loud-speakers and microphones. RESLOSOUND, Ltd., (formerly RESLO (SOUND EQUIPMENT), Ltd.), and MURKHAM, L. W. June 25, 1946, No. 18985. [Class 40 (iv)] In cementing a moving-coil former to a metallic diaphragm in a loud-speaker or microphone, the strength of the joint is increased by the inclusion of fibrous material between the said former and metallic diaphragm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1898546A GB620159A (en) | 1946-06-25 | 1946-06-25 | Improvements in and relating to loudspeakers, microphones and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1898546A GB620159A (en) | 1946-06-25 | 1946-06-25 | Improvements in and relating to loudspeakers, microphones and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB620159A true GB620159A (en) | 1949-03-21 |
Family
ID=10121803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1898546A Expired GB620159A (en) | 1946-06-25 | 1946-06-25 | Improvements in and relating to loudspeakers, microphones and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB620159A (en) |
-
1946
- 1946-06-25 GB GB1898546A patent/GB620159A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8204902A1 (en) | Electro-acoustic transducers | |
GB677225A (en) | Improvements in or relating to electro-acoustic transducers | |
GB620159A (en) | Improvements in and relating to loudspeakers, microphones and the like | |
GB776280A (en) | Improvements in or relating to moving coil loudspeakers and microphones | |
GB761169A (en) | Improvements in or relating to hearing aids | |
GB464418A (en) | Improvements in or relating to sound reproducing apparatus | |
GB560219A (en) | Improvements in moving coil loud-speakers and microphones and like electro-acoustic apparatus | |
GB860938A (en) | Improvements in and relating to loudspeakers | |
GB641668A (en) | Sound reproduction devices | |
GB857413A (en) | Improvements in or relating to cone loudspeakers | |
GB716055A (en) | Improvements in and relating to sound reproduction | |
GB622828A (en) | Improvements in or relating to loudspeakers and like electro-acoustic transducers | |
GB637590A (en) | Improvements in moving-coil loudspeakers | |
GB675104A (en) | Improvements in or relating to loudspeakers | |
FR978341A (en) | Improvements to speakers, telephones, microphones or similar mechanisms for transmitting and receiving moving coil sounds | |
GB779156A (en) | A remote control device for use with apparatus incorporating a loud speaker | |
GB655229A (en) | Improvements in or relating to operating circuits for moving-coil loudspeakers | |
GB1206917A (en) | Electroacoustic transducer | |
GB630719A (en) | Improvements in or relating to loud speakers and like sound reproducing devices | |
JPS5427420A (en) | Multiway speaker device | |
GB656611A (en) | Improvements in and relating to telephone apparatus | |
GB614638A (en) | Improvements in and relating to loudspeaking telephone systems | |
GB300849A (en) | A loud speaker for radio-telephonic purposes | |
GB661887A (en) | Improvements in or relating to mounting for loudspeakers | |
GB317169A (en) | Improvements relating to the field magnets of microphones, loud speakers and the like |