GB368751A - Improvements in or relating to devices for use in the reproduction of sound - Google Patents
Improvements in or relating to devices for use in the reproduction of soundInfo
- Publication number
- GB368751A GB368751A GB3648030A GB3648030A GB368751A GB 368751 A GB368751 A GB 368751A GB 3648030 A GB3648030 A GB 3648030A GB 3648030 A GB3648030 A GB 3648030A GB 368751 A GB368751 A GB 368751A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discs
- turned
- insulating
- plates
- pick
- 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
- 239000002184 metal Substances 0.000 abstract 3
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 229910000906 Bronze Inorganic materials 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 241001422033 Thestylus Species 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 239000010974 bronze Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract 1
- IDLFZVILOHSSID-OVLDLUHVSA-N corticotropin Chemical compound C([C@@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1NC=NC=1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C(C)C)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC(N)=O)C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)NC(=O)[C@@H](N)CO)C1=CC=C(O)C=C1 IDLFZVILOHSSID-OVLDLUHVSA-N 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3648030A GB368751A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to devices for use in the reproduction of sound |
FR719856D FR719856A (fr) | 1930-12-03 | 1931-06-26 | Perfectionnements à la reproduction des sons |
BE383116D BE383116A (enrdf_load_stackoverflow) | 1930-12-03 | 1931-10-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3648030A GB368751A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to devices for use in the reproduction of sound |
Publications (1)
Publication Number | Publication Date |
---|---|
GB368751A true GB368751A (en) | 1932-03-03 |
Family
ID=10388539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3648030A Expired GB368751A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to devices for use in the reproduction of sound |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE383116A (enrdf_load_stackoverflow) |
FR (1) | FR719856A (enrdf_load_stackoverflow) |
GB (1) | GB368751A (enrdf_load_stackoverflow) |
-
1930
- 1930-12-03 GB GB3648030A patent/GB368751A/en not_active Expired
-
1931
- 1931-06-26 FR FR719856D patent/FR719856A/fr not_active Expired
- 1931-10-03 BE BE383116D patent/BE383116A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE383116A (enrdf_load_stackoverflow) | 1931-11-30 |
FR719856A (fr) | 1932-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB368751A (en) | Improvements in or relating to devices for use in the reproduction of sound | |
GB420390A (en) | Microphone | |
US1893049A (en) | Sound producing device | |
GB368926A (en) | Improvements in acoustic diaphragms | |
US1776902A (en) | Sound amplifier | |
GB284343A (en) | Improvements in or connected with souud reproducing devices | |
US980713A (en) | Diaphragm for sound-reproducers. | |
US1773605A (en) | Loud-speaker | |
US1980235A (en) | Acoustic diaphragm | |
GB209173A (en) | Improvements in or relating to microphonic transmitters | |
US1581177A (en) | Sound box | |
GB709656A (en) | Improvements in electrodynamic sound receiving and transmitting apparatus | |
SU17379A1 (ru) | Контактный микрофон типа Рейса с угольным порошком между электродами | |
GB284739A (en) | Improvements in or relating to sound diaphragm apparatus | |
GB240620A (en) | An improved diaphragm for gramophone sound boxes | |
GB227303A (en) | Improvements in or relating to gramophone sound boxes | |
GB304888A (en) | Improvements in diaphragms for use in connection with gramophone sound boxes, loud speaking telephone receivers and for like purposes | |
GB290299A (en) | Improved diaphragm for loudspeakers | |
GB240219A (en) | Improvements relating to gramophones and other sound reproducing apparatus | |
GB315578A (en) | Improvements in and relating to diaphragms for acoustic devices | |
GB341495A (en) | Improvements in or relating to sound receiving or re-producing instruments or apparatus | |
GB359526A (en) | Diaphragm for recording and reproducing acoustic oscillations | |
GB323016A (en) | Improvements in or relating to sound reproducing apparatus | |
GB283211A (en) | Loud speaker | |
GB291645A (en) | Improvements in or relating to sound reproducing devices such as loud speakers |