BE696120A - - Google Patents
Info
- Publication number
- BE696120A BE696120A BE696120DA BE696120A BE 696120 A BE696120 A BE 696120A BE 696120D A BE696120D A BE 696120DA BE 696120 A BE696120 A BE 696120A
- Authority
- BE
- Belgium
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6604014A NL6604014A (enrdf_load_stackoverflow) | 1966-03-26 | 1966-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE696120A true BE696120A (enrdf_load_stackoverflow) | 1967-09-25 |
Family
ID=19796103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE696120D BE696120A (enrdf_load_stackoverflow) | 1966-03-26 | 1967-03-24 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3527902A (enrdf_load_stackoverflow) |
| AT (1) | AT276515B (enrdf_load_stackoverflow) |
| BE (1) | BE696120A (enrdf_load_stackoverflow) |
| CH (1) | CH454227A (enrdf_load_stackoverflow) |
| DE (1) | DE1512734B2 (enrdf_load_stackoverflow) |
| ES (1) | ES337233A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1133049A (enrdf_load_stackoverflow) |
| NL (1) | NL6604014A (enrdf_load_stackoverflow) |
| SE (1) | SE318611B (enrdf_load_stackoverflow) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770911A (en) * | 1972-07-21 | 1973-11-06 | Industrial Research Prod Inc | Hearing aid system |
| US3798390A (en) * | 1972-07-24 | 1974-03-19 | Gould Inc | Hearing aid with valved dual ports |
| USD247704S (en) | 1976-12-20 | 1978-04-11 | Superex Electronics Corporation | Hand held microphone or the like |
| USD247235S (en) | 1977-03-02 | 1978-02-14 | Gentex Corporation | Hand-held microphone |
| USD247705S (en) | 1977-04-01 | 1978-04-11 | Armstrong William J | Microphone |
| USD247706S (en) | 1977-04-01 | 1978-04-11 | Armstrong William J | Microphone |
| USD247707S (en) | 1977-04-01 | 1978-04-11 | Armstrong William J | Microphone |
| JPS5910864Y2 (ja) * | 1980-06-16 | 1984-04-04 | 本田技研工業株式会社 | マイクロホン保持装置 |
| USD288512S (en) * | 1985-04-24 | 1987-03-03 | Thermo-Serv, Inc. | Wine glass |
| US5410608A (en) * | 1992-09-29 | 1995-04-25 | Unex Corporation | Microphone |
| US8003878B2 (en) * | 2008-08-05 | 2011-08-23 | Gaynier David A | Electroacoustic transducer system |
| US9116178B1 (en) * | 2012-10-11 | 2015-08-25 | Reliance Controls Corporation | Circuit tester with variable volume audible voltage indication |
| USD868042S1 (en) * | 2017-04-06 | 2019-11-26 | Bing Yang | Karaoke microphone |
| USD869445S1 (en) * | 2019-05-22 | 2019-12-10 | Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd | Earphone |
| USD883260S1 (en) * | 2019-12-25 | 2020-05-05 | Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd | Earphone |
| USD893462S1 (en) * | 2020-03-05 | 2020-08-18 | Shenzhen Humboldt Technology Co., Ltd | Headphone |
| USD1038084S1 (en) * | 2021-08-19 | 2024-08-06 | Harman International Industries, Incorporated | Headphone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB956448A (en) * | 1959-06-24 | 1964-04-29 | Philips Electrical Ind Ltd | Improvements in or relating to electrodynamic microphones |
-
1966
- 1966-03-26 NL NL6604014A patent/NL6604014A/xx unknown
-
1967
- 1967-02-24 ES ES337233A patent/ES337233A1/es not_active Expired
- 1967-03-21 US US624942A patent/US3527902A/en not_active Expired - Lifetime
- 1967-03-22 DE DE1967N0030204 patent/DE1512734B2/de active Granted
- 1967-03-23 GB GB13661/67A patent/GB1133049A/en not_active Expired
- 1967-03-23 AT AT281867A patent/AT276515B/de active
- 1967-03-23 CH CH418667A patent/CH454227A/de unknown
- 1967-03-23 SE SE4135/67A patent/SE318611B/xx unknown
- 1967-03-24 BE BE696120D patent/BE696120A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6604014A (enrdf_load_stackoverflow) | 1967-09-27 |
| AT276515B (de) | 1969-11-25 |
| GB1133049A (en) | 1968-11-06 |
| SE318611B (enrdf_load_stackoverflow) | 1969-12-15 |
| US3527902A (en) | 1970-09-08 |
| DE1512734A1 (de) | 1969-05-22 |
| DE1512734B2 (de) | 1976-04-22 |
| ES337233A1 (es) | 1968-02-16 |
| CH454227A (de) | 1968-04-15 |