NL6917616A - - Google Patents
Info
- Publication number
- NL6917616A NL6917616A NL6917616A NL6917616A NL6917616A NL 6917616 A NL6917616 A NL 6917616A NL 6917616 A NL6917616 A NL 6917616A NL 6917616 A NL6917616 A NL 6917616A NL 6917616 A NL6917616 A NL 6917616A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE6807970U DE6807970U (de) | 1968-11-21 | 1968-11-21 | Kopfhoerer mit buegel aus elastischem material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6917616A true NL6917616A (https=) | 1970-05-25 |
Family
ID=6595942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6917616A NL6917616A (https=) | 1968-11-21 | 1969-11-21 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE6807970U (https=) |
| FR (1) | FR2023797A1 (https=) |
| GB (1) | GB1229086A (https=) |
| NL (1) | NL6917616A (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8703414L (sv) * | 1987-09-02 | 1989-03-03 | Kompositprodukter Sk Fm Ab | Hoerselskydd |
| GB2309351A (en) * | 1996-01-19 | 1997-07-23 | Chik Sum Chan | Audio headphones with detachable speakers |
| GB0423194D0 (en) | 2004-10-19 | 2004-11-24 | Racal Acoustics Ltd | Attachment apparatus |
| US7444687B2 (en) | 2005-08-29 | 2008-11-04 | 3M Innovative Properties Company | Hearing protective device that includes cellular earmuffs |
| US20070044206A1 (en) * | 2005-08-29 | 2007-03-01 | Sato Luciana M | Hearing protective earmuff device having frictionally engageable ear cups |
| EP1777985B1 (en) * | 2005-10-21 | 2008-10-29 | AKG Acoustics GmbH | Headphone with improved earpiece suspension |
| JP4560488B2 (ja) * | 2006-01-18 | 2010-10-13 | 株式会社オーディオテクニカ | ヘッドホン |
| USD609699S1 (en) | 2008-06-04 | 2010-02-09 | Racal Acoustics Limited | Ear piece |
| AU324191S (en) | 2008-06-04 | 2009-01-23 | Racal Acoustics Ltd | Ear pieces |
-
1968
- 1968-11-21 DE DE6807970U patent/DE6807970U/de not_active Expired
-
1969
- 1969-11-19 GB GB1229086D patent/GB1229086A/en not_active Expired
- 1969-11-20 FR FR6939924A patent/FR2023797A1/fr not_active Withdrawn
- 1969-11-21 NL NL6917616A patent/NL6917616A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE6807970U (de) | 1969-04-30 |
| FR2023797A1 (https=) | 1970-08-21 |
| GB1229086A (https=) | 1971-04-21 |