NL6803955A - - Google Patents
Info
- Publication number
- NL6803955A NL6803955A NL6803955A NL6803955A NL6803955A NL 6803955 A NL6803955 A NL 6803955A NL 6803955 A NL6803955 A NL 6803955A NL 6803955 A NL6803955 A NL 6803955A NL 6803955 A NL6803955 A NL 6803955A
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967S0108984 DE1297678B (de) | 1967-03-23 | 1967-03-23 | Zeilenfoermige Lautsprecheranordnung fuer die Wiedergabe eines breiten Frequenzbandes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6803955A true NL6803955A (https=) | 1968-09-24 |
Family
ID=7529184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6803955A NL6803955A (https=) | 1967-03-23 | 1968-03-20 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH477141A (https=) |
| DE (1) | DE1297678B (https=) |
| FR (1) | FR1556836A (https=) |
| NL (1) | NL6803955A (https=) |
| SE (1) | SE325057B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL171854C (nl) * | 1977-07-26 | 1983-05-16 | Philips Nv | Luidsprekercombinatie, bestaande uit een aantal groepen dynamische luidsprekers, welke in nagenoeg een continu vlak naast elkaar zijn opgesteld. |
-
1967
- 1967-03-23 DE DE1967S0108984 patent/DE1297678B/de active Pending
-
1968
- 1968-03-06 CH CH333368A patent/CH477141A/de not_active IP Right Cessation
- 1968-03-20 FR FR1556836D patent/FR1556836A/fr not_active Expired
- 1968-03-20 NL NL6803955A patent/NL6803955A/xx unknown
- 1968-03-20 SE SE3702/68A patent/SE325057B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1556836A (https=) | 1969-02-07 |
| SE325057B (https=) | 1970-06-22 |
| CH477141A (de) | 1969-08-15 |
| DE1297678B (de) | 1969-06-19 |