CH551124A - HORN SPEAKER. - Google Patents
HORN SPEAKER.Info
- Publication number
- CH551124A CH551124A CH854172A CH854172A CH551124A CH 551124 A CH551124 A CH 551124A CH 854172 A CH854172 A CH 854172A CH 854172 A CH854172 A CH 854172A CH 551124 A CH551124 A CH 551124A
- Authority
- CH
- Switzerland
- Prior art keywords
- horn speaker
- horn
- speaker
- Prior art date
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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2569671 | 1971-06-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH551124A true CH551124A (en) | 1974-06-28 |
Family
ID=11217467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH854172A CH551124A (en) | 1971-06-09 | 1972-06-08 | HORN SPEAKER. |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH551124A (en) |
DE (1) | DE2228827C2 (en) |
ES (1) | ES181623Y (en) |
FR (1) | FR2143715B3 (en) |
NL (1) | NL7207928A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1592246A (en) * | 1976-09-23 | 1981-07-01 | Isaac T P | Sound projection system |
FR2495423B1 (en) * | 1980-11-28 | 1989-11-10 | Topalian Daniel | ACOUSTIC ENCLOSURE WITH UNFOLDED DOUBLE FRONT PAVILION, AND REAR CLOSED BOX |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE522584A (en) * | 1952-09-11 |
-
1972
- 1972-06-08 CH CH854172A patent/CH551124A/en not_active IP Right Cessation
- 1972-06-09 DE DE19722228827 patent/DE2228827C2/en not_active Expired
- 1972-06-09 NL NL7207928A patent/NL7207928A/xx active Search and Examination
- 1972-06-09 ES ES1972181623U patent/ES181623Y/en not_active Expired
- 1972-06-09 FR FR7221508A patent/FR2143715B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2143715B3 (en) | 1975-08-08 |
FR2143715A1 (en) | 1973-02-09 |
ES181623Y (en) | 1974-03-16 |
DE2228827C2 (en) | 1983-12-01 |
NL7207928A (en) | 1972-12-12 |
ES181623U (en) | 1973-04-01 |
DE2228827A1 (en) | 1973-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |