NL18322C - - Google Patents
Info
- Publication number
- NL18322C NL18322C NL18322DA NL18322C NL 18322 C NL18322 C NL 18322C NL 18322D A NL18322D A NL 18322DA NL 18322 C NL18322 C NL 18322C
- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
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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
- 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
- H04R25/652—Ear tips; Ear moulds
- H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
-
- 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
- H04R25/658—Manufacture of housing parts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31963/25A GB267611A (en) | 1925-12-17 | 1925-12-17 | Improvements in or relating to adjustable telephone ear-pieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL18322C true NL18322C (en) |
Family
ID=10330984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL18322D NL18322C (en) | 1925-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH119082A (en) |
| GB (1) | GB267611A (en) |
| NL (1) | NL18322C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100322854B1 (en) * | 1999-05-20 | 2002-02-08 | 이형도 | Ear mike phone |
| DE10227450B4 (en) * | 2002-06-20 | 2004-11-18 | Bruckhoff Apparatebau Gmbh | Head set for a functional device, in particular a microphone |
| DE102004016540A1 (en) * | 2004-03-31 | 2005-10-27 | Bruckhoff Apparatebau Gmbh | hearing Aid |
| US11297408B2 (en) * | 2020-05-26 | 2022-04-05 | Bose Corporation | In-ear earpiece retaining structure |
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0
- NL NL18322D patent/NL18322C/xx active
-
1925
- 1925-12-17 GB GB31963/25A patent/GB267611A/en not_active Expired
-
1926
- 1926-01-06 CH CH119082D patent/CH119082A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB267611A (en) | 1927-03-17 |
| CH119082A (en) | 1927-04-01 |