ATA778675A - Kopfhorer - Google Patents
KopfhorerInfo
- Publication number
- ATA778675A ATA778675A AT778675A AT778675A ATA778675A AT A778675 A ATA778675 A AT A778675A AT 778675 A AT778675 A AT 778675A AT 778675 A AT778675 A AT 778675A AT A778675 A ATA778675 A AT A778675A
- Authority
- AT
- Austria
- Prior art keywords
- headphone
- Prior art date
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
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT778675A AT337795B (de) | 1975-10-13 | 1975-10-13 | Kopfhorer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT778675A AT337795B (de) | 1975-10-13 | 1975-10-13 | Kopfhorer |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA778675A true ATA778675A (de) | 1976-11-15 |
AT337795B AT337795B (de) | 1977-07-25 |
Family
ID=3599467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT778675A AT337795B (de) | 1975-10-13 | 1975-10-13 | Kopfhorer |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT337795B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2028062T3 (es) * | 1986-01-23 | 1992-07-01 | Siemens Plessey Electronic Systems Limited | Traductores acusticos. |
-
1975
- 1975-10-13 AT AT778675A patent/AT337795B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT337795B (de) | 1977-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |