FR2485162B3 - - Google Patents
Info
- Publication number
- FR2485162B3 FR2485162B3 FR8013872A FR8013872A FR2485162B3 FR 2485162 B3 FR2485162 B3 FR 2485162B3 FR 8013872 A FR8013872 A FR 8013872A FR 8013872 A FR8013872 A FR 8013872A FR 2485162 B3 FR2485162 B3 FR 2485162B3
- 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.)
- Expired
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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/1752—Masking
- G10K11/1754—Speech masking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
- F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
-
- 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
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Otolaryngology (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Casings For Electric Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8013872A FR2485162A1 (fr) | 1980-06-23 | 1980-06-23 | Appareil d'eclairage et generateur acoustique combines, notamment pour bureaux a amenagement modulaire integre |
GB8020658A GB2078922B (en) | 1980-06-23 | 1980-06-24 | Combination acoustic conditioner and light fixture |
DE19803023891 DE3023891A1 (de) | 1980-06-23 | 1980-06-26 | Kombinierte licht- und schallquelle |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8013872A FR2485162A1 (fr) | 1980-06-23 | 1980-06-23 | Appareil d'eclairage et generateur acoustique combines, notamment pour bureaux a amenagement modulaire integre |
GB8020658A GB2078922B (en) | 1980-06-23 | 1980-06-24 | Combination acoustic conditioner and light fixture |
DE19803023891 DE3023891A1 (de) | 1980-06-23 | 1980-06-26 | Kombinierte licht- und schallquelle |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2485162A1 FR2485162A1 (fr) | 1981-12-24 |
FR2485162B3 true FR2485162B3 (ja) | 1983-04-15 |
Family
ID=27188726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8013872A Granted FR2485162A1 (fr) | 1980-06-23 | 1980-06-23 | Appareil d'eclairage et generateur acoustique combines, notamment pour bureaux a amenagement modulaire integre |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3023891A1 (ja) |
FR (1) | FR2485162A1 (ja) |
GB (1) | GB2078922B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3928253A1 (de) * | 1989-08-26 | 1991-02-28 | Graeff Karl Hermann Dr | Beschallungs- und beleuchtungseinheit |
DE4440583C2 (de) * | 1994-11-14 | 2002-02-28 | Albert Baur | Lautsprecher-Leuchten-Kombination |
FR3007881B1 (fr) * | 2013-06-28 | 2016-03-25 | Devinant R&D | Installation de masquage acoustique |
EP4198387A1 (en) * | 2021-12-15 | 2023-06-21 | Claudio Lamberini | Apparatus for the treatment of environmental parameters |
-
1980
- 1980-06-23 FR FR8013872A patent/FR2485162A1/fr active Granted
- 1980-06-24 GB GB8020658A patent/GB2078922B/en not_active Expired
- 1980-06-26 DE DE19803023891 patent/DE3023891A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3023891A1 (de) | 1982-01-21 |
GB2078922A (en) | 1982-01-13 |
GB2078922B (en) | 1985-05-22 |
FR2485162A1 (fr) | 1981-12-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |