NL112868C - - Google Patents
Info
- Publication number
- NL112868C NL112868C NL112868DA NL112868C NL 112868 C NL112868 C NL 112868C NL 112868D A NL112868D A NL 112868DA NL 112868 C NL112868 C NL 112868C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/08—Arrangements for producing a reverberation or echo sound
- G10K15/10—Arrangements for producing a reverberation or echo sound using time-delay networks comprising electromechanical or electro-acoustic devices
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
- H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
-
- 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
- H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2203/00—Details of circuits for transducers, loudspeakers or microphones covered by H04R3/00 but not provided for in any of its subgroups
- H04R2203/12—Beamforming aspects for stereophonic sound reproduction with loudspeaker arrays
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1091771X | 1957-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL112868C true NL112868C (OSRAM) |
Family
ID=19868886
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL221726D NL221726A (OSRAM) | 1957-10-18 | ||
| NL112868D NL112868C (OSRAM) | 1957-10-18 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL221726D NL221726A (OSRAM) | 1957-10-18 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1091771B (OSRAM) |
| NL (2) | NL112868C (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034865A3 (en) * | 1980-02-25 | 1981-09-16 | N.V. Philips' Gloeilampenfabrieken | Arrangement for the transmission of audio signals |
| EP0034844B1 (en) * | 1980-02-25 | 1983-10-19 | Koninklijke Philips Electronics N.V. | A direction- and frequency-independent loudspeaker- or microphone-column or a loudspeaker- or microphone-surface |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2509938B1 (fr) * | 1981-04-01 | 1987-11-13 | Trt Telecom Radio Electr | Agencement de transducteurs acoustiques et utilisation de cet agencement dans un poste telephonique " mains libres " |
| JP4007254B2 (ja) | 2003-06-02 | 2007-11-14 | ヤマハ株式会社 | アレースピーカーシステム |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE927037C (de) * | 1949-02-23 | 1955-04-28 | Nordwestdeutscher Rundfunk | Kapazitives Mikrophon mit veraenderbarer Richtcharakteristik |
| DE928351C (de) * | 1949-06-05 | 1955-05-31 | Siemens Ag | Lautsprecheranordnung mit mehreren, zur Erzielung einer Richtwirkung nach Art der geraden Strahlergruppe in einer Reihe angeordneten Einzellautsprechern |
-
0
- NL NL221726D patent/NL221726A/xx unknown
- NL NL112868D patent/NL112868C/xx active
-
1958
- 1958-10-14 DE DEN15714A patent/DE1091771B/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034865A3 (en) * | 1980-02-25 | 1981-09-16 | N.V. Philips' Gloeilampenfabrieken | Arrangement for the transmission of audio signals |
| EP0034844B1 (en) * | 1980-02-25 | 1983-10-19 | Koninklijke Philips Electronics N.V. | A direction- and frequency-independent loudspeaker- or microphone-column or a loudspeaker- or microphone-surface |
Also Published As
| Publication number | Publication date |
|---|---|
| NL221726A (OSRAM) | |
| DE1091771B (de) | 1960-10-27 |