NL7105001A - - Google Patents
Info
- Publication number
- NL7105001A NL7105001A NL7105001A NL7105001A NL7105001A NL 7105001 A NL7105001 A NL 7105001A NL 7105001 A NL7105001 A NL 7105001A NL 7105001 A NL7105001 A NL 7105001A NL 7105001 A NL7105001 A NL 7105001A
- 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
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7105001A NL7105001A (enrdf_load_stackoverflow) | 1971-04-14 | 1971-04-14 | |
| US00240012A US3790724A (en) | 1971-04-14 | 1972-03-31 | Electromagnetic microphone including at least one acoustic resistance |
| DE19722217051 DE2217051C3 (de) | 1971-04-14 | 1972-04-08 | Elektrodynamisches Mikrophon mit mindestens einem Schallwiderstand |
| AT312972A AT325692B (de) | 1971-04-14 | 1972-04-11 | Elektrodynamisches mikrophon |
| GB1661072A GB1369377A (en) | 1971-04-14 | 1972-04-11 | Microphones |
| FR7213007A FR2133693B1 (enrdf_load_stackoverflow) | 1971-04-14 | 1972-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7105001A NL7105001A (enrdf_load_stackoverflow) | 1971-04-14 | 1971-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7105001A true NL7105001A (enrdf_load_stackoverflow) | 1972-10-17 |
Family
ID=19812916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7105001A NL7105001A (enrdf_load_stackoverflow) | 1971-04-14 | 1971-04-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3790724A (enrdf_load_stackoverflow) |
| AT (1) | AT325692B (enrdf_load_stackoverflow) |
| FR (1) | FR2133693B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1369377A (enrdf_load_stackoverflow) |
| NL (1) | NL7105001A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2236374C3 (de) * | 1972-07-25 | 1975-01-16 | Josef Wilhelm 8725 Arnstein Manger | Elektroakustisches Wandlersystem |
| US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
| GB2134745B (en) * | 1983-02-04 | 1986-10-22 | Standard Telephones Cables Ltd | Electro acoustic tranducer |
| AT382281B (de) * | 1984-11-15 | 1987-02-10 | Akg Akustische Kino Geraete | Kreisringfoermige membran, insbesondere fuer mikrophone und kopfhoerer |
| US4752963A (en) * | 1985-06-12 | 1988-06-21 | Kabushiki Kaisha Kenwood | Electroacoustic converter having a recessed step on the center pole |
| DE3700594A1 (de) * | 1986-01-16 | 1987-07-23 | Akg Akustische Kino Geraete | Druckgradientenempfaenger |
| WO1999045742A1 (en) * | 1998-03-03 | 1999-09-10 | Koninklijke Philips Electronics N.V. | A loudspeaker featuring acoustic friction to damp resonance |
| JP2002152885A (ja) * | 2000-11-14 | 2002-05-24 | Sony Corp | スピーカ装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB812348A (en) * | 1954-06-03 | 1959-04-22 | Leonard Walter Murkham | Improvements in and relating to electro magnetic transducers |
| US1941073A (en) * | 1931-08-12 | 1933-12-26 | Bell Telephone Labor Inc | Pneumatic sound reproducer |
| DE971704C (de) * | 1953-06-25 | 1959-03-19 | Carl Ludwig Lehner | Elektroakustischer Wandler fuer telefonische Zwecke |
| US3240883A (en) * | 1961-05-25 | 1966-03-15 | Shure Bros | Microphone |
| GB1037244A (en) * | 1964-02-20 | 1966-07-27 | Standard Telephones Cables Ltd | Improvements in or relating to moving coil transducers |
| US3581015A (en) * | 1966-12-28 | 1971-05-25 | Aiwa Co | Dynamic microphone |
-
1971
- 1971-04-14 NL NL7105001A patent/NL7105001A/xx unknown
-
1972
- 1972-03-31 US US00240012A patent/US3790724A/en not_active Expired - Lifetime
- 1972-04-11 AT AT312972A patent/AT325692B/de not_active IP Right Cessation
- 1972-04-11 GB GB1661072A patent/GB1369377A/en not_active Expired
- 1972-04-13 FR FR7213007A patent/FR2133693B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT325692B (de) | 1975-11-10 |
| DE2217051B2 (de) | 1976-09-02 |
| DE2217051A1 (de) | 1972-10-26 |
| US3790724A (en) | 1974-02-05 |
| FR2133693A1 (enrdf_load_stackoverflow) | 1972-12-01 |
| FR2133693B1 (enrdf_load_stackoverflow) | 1979-01-05 |
| GB1369377A (en) | 1974-10-09 |
| ATA312972A (de) | 1975-01-15 |