NL255013A - - Google Patents
Info
- Publication number
- NL255013A NL255013A NL255013DA NL255013A NL 255013 A NL255013 A NL 255013A NL 255013D A NL255013D A NL 255013DA NL 255013 A NL255013 A NL 255013A
- 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
- 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
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/06—Telephone receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES64546A DE1110686B (de) | 1959-08-21 | 1959-08-21 | Elektroakustischer Wandler mit ringfoermigem Anker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255013A true NL255013A (US06650917-20031118-M00005.png) |
Family
ID=7497280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255013D NL255013A (US06650917-20031118-M00005.png) | 1959-08-21 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015120637A1 (de) | 2015-11-27 | 2017-06-14 | Sennheiser Electronic Gmbh & Co. Kg | Elektrodynamischer Schallwandler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE500297A (US06650917-20031118-M00005.png) * | 1951-10-31 |
-
0
- NL NL255013D patent/NL255013A/xx unknown
-
1959
- 1959-08-21 DE DES64546A patent/DE1110686B/de active Pending
-
1960
- 1960-08-15 GB GB2820260A patent/GB917717A/en not_active Expired
- 1960-08-16 BE BE594093A patent/BE594093A/fr unknown
- 1960-08-19 SE SE799560A patent/SE316801B/xx unknown
- 1960-08-19 CH CH944260A patent/CH400239A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1110686B (de) | 1961-07-13 |
| CH400239A (de) | 1965-10-15 |
| BE594093A (fr) | 1960-12-16 |
| SE316801B (US06650917-20031118-M00005.png) | 1969-11-03 |
| GB917717A (en) | 1963-02-06 |
