CA1027877A - Sound distribution system - Google Patents
Sound distribution systemInfo
- Publication number
- CA1027877A CA1027877A CA230,141A CA230141A CA1027877A CA 1027877 A CA1027877 A CA 1027877A CA 230141 A CA230141 A CA 230141A CA 1027877 A CA1027877 A CA 1027877A
- Authority
- CA
- Canada
- Prior art keywords
- distribution system
- sound distribution
- sound
- distribution
- Prior art date
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA230,141A CA1027877A (en) | 1975-06-25 | 1975-06-25 | Sound distribution system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA230,141A CA1027877A (en) | 1975-06-25 | 1975-06-25 | Sound distribution system |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1027877A true CA1027877A (en) | 1978-03-14 |
Family
ID=4103443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA230,141A Expired CA1027877A (en) | 1975-06-25 | 1975-06-25 | Sound distribution system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1027877A (en) |
-
1975
- 1975-06-25 CA CA230,141A patent/CA1027877A/en not_active Expired
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