NL4564C - - Google Patents
Info
- Publication number
- NL4564C NL4564C NL10058A NL10058A NL4564C NL 4564 C NL4564 C NL 4564C NL 10058 A NL10058 A NL 10058A NL 10058 A NL10058 A NL 10058A NL 4564 C NL4564 C NL 4564C
- 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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
-
- 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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/57—Aspects of electrical interconnection between hearing aid parts
-
- 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
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK493429X | 1917-03-31 | ||
| DK350498X | 1917-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL4564C true NL4564C (xx) | 1919-02-01 |
Family
ID=62566550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL10058A NL4564C (xx) | 1917-03-31 | 1918-06-24 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE350498C (xx) |
| FR (1) | FR493429A (xx) |
| GB (1) | GB114850A (xx) |
| NL (1) | NL4564C (xx) |
-
1918
- 1918-04-03 DE DE1918350498D patent/DE350498C/de not_active Expired
- 1918-04-11 GB GB621518A patent/GB114850A/en not_active Expired
- 1918-05-22 FR FR493429A patent/FR493429A/fr not_active Expired
- 1918-06-24 NL NL10058A patent/NL4564C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| GB114850A (en) | 1919-01-23 |
| FR493429A (fr) | 1919-08-08 |
| DE350498C (de) | 1922-03-22 |