NL6818329A - - Google Patents
Info
- Publication number
- NL6818329A NL6818329A NL6818329A NL6818329A NL6818329A NL 6818329 A NL6818329 A NL 6818329A NL 6818329 A NL6818329 A NL 6818329A NL 6818329 A NL6818329 A NL 6818329A NL 6818329 A NL6818329 A NL 6818329A
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Electric hearing aids
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/02—Amplifying systems for the deaf
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Headphones And Earphones (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5755467 | 1967-12-19 | ||
| GB3690468 | 1968-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6818329A true NL6818329A (https=) | 1969-06-23 |
Family
ID=26263275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6818329A NL6818329A (https=) | 1967-12-19 | 1968-12-19 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1815836A1 (https=) |
| FR (1) | FR1602820A (https=) |
| NL (1) | NL6818329A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3668334A (en) * | 1970-05-07 | 1972-06-06 | Radioear Corp | Hearing aid with changeable battery cover containing rf pickup coil |
| DE2858302C2 (https=) * | 1977-03-24 | 1991-01-31 | Andreas Mailand/Milano It Pavel | |
| DE3508830A1 (de) * | 1985-03-13 | 1986-09-18 | Robert Bosch Gmbh, 7000 Stuttgart | Hoergeraet |
| DE9319128U1 (de) * | 1993-12-13 | 1995-11-23 | Lux-Wellenhof, Gabriele, 65830 Kriftel | Hörgerät |
-
1968
- 1968-12-19 FR FR1602820D patent/FR1602820A/fr not_active Expired
- 1968-12-19 NL NL6818329A patent/NL6818329A/xx unknown
- 1968-12-19 DE DE19681815836 patent/DE1815836A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1602820A (https=) | 1971-02-01 |
| DE1815836A1 (de) | 1969-08-28 |