NL6500173A - - Google Patents
Info
- Publication number
- NL6500173A NL6500173A NL6500173A NL6500173A NL6500173A NL 6500173 A NL6500173 A NL 6500173A NL 6500173 A NL6500173 A NL 6500173A NL 6500173 A NL6500173 A NL 6500173A NL 6500173 A NL6500173 A NL 6500173A
- Authority
- NL
- Netherlands
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
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
-
- 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
- H04R9/10—Telephone receivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST21526A DE1219521B (en) | 1964-01-08 | 1964-01-08 | Electrodynamic converter in telecommunications technology |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6500173A true NL6500173A (en) | 1965-07-09 |
Family
ID=7459036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6500173A NL6500173A (en) | 1964-01-08 | 1965-01-07 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3296386A (en) |
DE (1) | DE1219521B (en) |
GB (1) | GB1022850A (en) |
NL (1) | NL6500173A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3453400A (en) * | 1965-12-08 | 1969-07-01 | Aldo L Coen | Field structure for magnetic loudspeaker and methods of manufacture |
US3413579A (en) * | 1966-03-14 | 1968-11-26 | Westinghouse Electric Corp | Magnetic field assembly for electro-mechanical transducers |
US3953687A (en) * | 1973-11-05 | 1976-04-27 | Carbonneau Industries, Inc. | Magnetic structure for moving voice coil loudspeaker |
DE2503828C3 (en) * | 1975-01-30 | 1983-04-21 | Friedrich Reiner Telefonfabrik | Permanent dynamic electroacoustic transducer capsule |
US4421956A (en) * | 1981-09-29 | 1983-12-20 | Peavey Electronics Corp. | Loud speaker with minimized magnetic leakage |
US9723410B2 (en) * | 2014-07-08 | 2017-08-01 | Harman International Industries, Incorporated | Speaker assembly |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2675533A (en) * | 1951-03-26 | 1954-04-13 | Phillips Petroleum Co | Seismometer |
-
1964
- 1964-01-08 DE DEST21526A patent/DE1219521B/en active Pending
- 1964-12-29 US US421900A patent/US3296386A/en not_active Expired - Lifetime
-
1965
- 1965-01-01 GB GB63/65A patent/GB1022850A/en not_active Expired
- 1965-01-07 NL NL6500173A patent/NL6500173A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3296386A (en) | 1967-01-03 |
DE1219521B (en) | 1966-06-23 |
GB1022850A (en) | 1966-03-16 |