BE727701A - - Google Patents
Info
- Publication number
- BE727701A BE727701A BE727701DA BE727701A BE 727701 A BE727701 A BE 727701A BE 727701D A BE727701D A BE 727701DA BE 727701 A BE727701 A BE 727701A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
- H04R2227/007—Electronic adaptation of audio signals to reverberation of the listening space for PA
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6801448A NL6801448A (ja) | 1968-02-01 | 1968-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727701A true BE727701A (ja) | 1969-07-30 |
Family
ID=19802648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727701D BE727701A (ja) | 1968-02-01 | 1969-01-30 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT289227B (ja) |
| BE (1) | BE727701A (ja) |
| CA (1) | CA918080A (ja) |
| CH (1) | CH502045A (ja) |
| DE (1) | DE1903661A1 (ja) |
| ES (1) | ES363113A1 (ja) |
| FR (1) | FR2001114A1 (ja) |
| GB (1) | GB1259512A (ja) |
| NL (1) | NL6801448A (ja) |
| SE (1) | SE360538B (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3796832A (en) * | 1972-06-02 | 1974-03-12 | C Jaffe | Sound enhancing system |
| NL7901120A (nl) * | 1979-02-13 | 1980-08-15 | Philips Nv | Geluidsinstallatie voor kunstmatige nagalm. |
| SE418665B (sv) * | 1979-10-16 | 1981-06-15 | Gustav Georg Arne Bolin | Sett att forbettra akustiken i en lokal |
| DE4218105A1 (de) * | 1992-06-02 | 1993-12-09 | Friedrich Strobel | Synchronisiertes Lautsprecher-Staffettensystem zur verzerrarmen Großraumbeschallung |
-
1968
- 1968-02-01 NL NL6801448A patent/NL6801448A/xx unknown
-
1969
- 1969-01-25 DE DE19691903661 patent/DE1903661A1/de active Pending
- 1969-01-29 SE SE120169A patent/SE360538B/xx unknown
- 1969-01-29 CH CH134969A patent/CH502045A/de not_active IP Right Cessation
- 1969-01-29 AT AT87969A patent/AT289227B/de not_active IP Right Cessation
- 1969-01-29 GB GB1259512D patent/GB1259512A/en not_active Expired
- 1969-01-30 CA CA041527A patent/CA918080A/en not_active Expired
- 1969-01-30 FR FR6901950A patent/FR2001114A1/fr active Pending
- 1969-01-30 ES ES363113A patent/ES363113A1/es not_active Expired
- 1969-01-30 BE BE727701D patent/BE727701A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE360538B (ja) | 1973-09-24 |
| FR2001114A1 (ja) | 1969-09-26 |
| GB1259512A (ja) | 1972-01-05 |
| CA918080A (en) | 1973-01-02 |
| ES363113A1 (es) | 1970-11-16 |
| CH502045A (de) | 1971-01-15 |
| NL6801448A (ja) | 1969-08-05 |
| DE1903661A1 (de) | 1969-09-04 |
| AT289227B (de) | 1971-04-13 |