FR2227705A1 - - Google Patents
Info
- Publication number
- FR2227705A1 FR2227705A1 FR7414269A FR7414269A FR2227705A1 FR 2227705 A1 FR2227705 A1 FR 2227705A1 FR 7414269 A FR7414269 A FR 7414269A FR 7414269 A FR7414269 A FR 7414269A FR 2227705 A1 FR2227705 A1 FR 2227705A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- H04R27/00—Public address systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Amplifiers (AREA)
- Audible And Visible Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732321898 DE2321898C3 (de) | 1973-04-30 | 1973-04-30 | Elektroakustische Anlage mit mehreren räumlich verteilten Mikrofonen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2227705A1 true FR2227705A1 (nl) | 1974-11-22 |
FR2227705B3 FR2227705B3 (nl) | 1977-03-04 |
Family
ID=5879739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7414269A Expired FR2227705B3 (nl) | 1973-04-30 | 1974-04-24 |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT330269B (nl) |
BE (1) | BE814413A (nl) |
CH (1) | CH564297A5 (nl) |
DE (1) | DE2321898C3 (nl) |
ES (1) | ES424705A1 (nl) |
FR (1) | FR2227705B3 (nl) |
LU (1) | LU69951A1 (nl) |
NL (1) | NL7405680A (nl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191492A2 (de) * | 1985-02-15 | 1986-08-20 | Helmut Brähler | Rechnergesteuerte elektroakustische Diskussionsanlage |
-
1973
- 1973-04-30 DE DE19732321898 patent/DE2321898C3/de not_active Expired
-
1974
- 1974-03-28 ES ES424705A patent/ES424705A1/es not_active Expired
- 1974-04-05 AT AT288574A patent/AT330269B/de not_active IP Right Cessation
- 1974-04-24 FR FR7414269A patent/FR2227705B3/fr not_active Expired
- 1974-04-25 CH CH571574A patent/CH564297A5/xx not_active IP Right Cessation
- 1974-04-26 NL NL7405680A patent/NL7405680A/xx not_active Application Discontinuation
- 1974-04-29 LU LU69951A patent/LU69951A1/xx unknown
- 1974-04-30 BE BE143801A patent/BE814413A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191492A2 (de) * | 1985-02-15 | 1986-08-20 | Helmut Brähler | Rechnergesteuerte elektroakustische Diskussionsanlage |
EP0191492A3 (en) * | 1985-02-15 | 1987-12-16 | Helmut Brahler | Computer-controlled electro-acoustic device |
Also Published As
Publication number | Publication date |
---|---|
AT330269B (de) | 1976-06-25 |
CH564297A5 (nl) | 1975-07-15 |
LU69951A1 (nl) | 1974-08-06 |
FR2227705B3 (nl) | 1977-03-04 |
NL7405680A (nl) | 1974-11-01 |
ATA288574A (de) | 1975-09-15 |
DE2321898B2 (de) | 1975-03-06 |
BE814413A (fr) | 1974-10-30 |
ES424705A1 (es) | 1976-05-16 |
DE2321898A1 (de) | 1974-11-14 |
DE2321898C3 (de) | 1975-10-23 |