NL6918230A - - Google Patents
Info
- Publication number
- NL6918230A NL6918230A NL6918230A NL6918230A NL6918230A NL 6918230 A NL6918230 A NL 6918230A NL 6918230 A NL6918230 A NL 6918230A NL 6918230 A NL6918230 A NL 6918230A NL 6918230 A NL6918230 A NL 6918230A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/06—Hearing aids
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/552—Binaural
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Headphones And Earphones (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5778968 | 1968-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6918230A true NL6918230A (en) | 1970-06-09 |
Family
ID=10480022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6918230A NL6918230A (en) | 1968-12-05 | 1969-12-04 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1960963A1 (en) |
| GB (1) | GB1297914A (en) |
| NL (1) | NL6918230A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3328100C3 (en) * | 1983-01-21 | 1996-08-14 | Micro Technic Hoergeraete Gmbh | Miniature sound transmission device |
| JP2935266B2 (en) * | 1987-05-11 | 1999-08-16 | ジャンポルスキー、アーサー | Paradoxical hearing aids |
| FR2642856B1 (en) * | 1989-02-06 | 1991-04-26 | Rudezl Michel | ADAPTABLE AUDIO-UNIVERSAL MODULE ON EYEWEAR BRANCHES |
| WO1994010818A1 (en) * | 1992-11-02 | 1994-05-11 | Lourens George Bordewijk | Sound amplification system |
| CN112237009B (en) * | 2018-01-05 | 2022-04-01 | L·奥拉 | Hearing aid and method of use |
-
1968
- 1968-12-05 GB GB1297914D patent/GB1297914A/en not_active Expired
-
1969
- 1969-12-04 DE DE19691960963 patent/DE1960963A1/en active Pending
- 1969-12-04 NL NL6918230A patent/NL6918230A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1960963A1 (en) | 1970-07-30 |
| DE1960963B2 (en) | 1972-07-27 |
| GB1297914A (en) | 1972-11-29 |