FR679871A - Perfectionnements aux hauts-parleurs - Google Patents
Perfectionnements aux hauts-parleursInfo
- Publication number
- FR679871A FR679871A FR679871DA FR679871A FR 679871 A FR679871 A FR 679871A FR 679871D A FR679871D A FR 679871DA FR 679871 A FR679871 A FR 679871A
- Authority
- FR
- France
- Prior art keywords
- enhancements
- loudspeaker
- loudspeaker enhancements
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2275528A GB317222A (en) | 1928-08-07 | 1928-08-07 | Improvements relating to loud speakers |
Publications (1)
Publication Number | Publication Date |
---|---|
FR679871A true FR679871A (fr) | 1930-04-18 |
Family
ID=10184551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR679871D Expired FR679871A (fr) | 1928-08-07 | 1929-08-05 | Perfectionnements aux hauts-parleurs |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR679871A (fr) |
GB (1) | GB317222A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3814857A (en) * | 1969-11-04 | 1974-06-04 | N Thomasen | Two-way loudspeaker system with two tandem-connected high-range speakers |
-
1928
- 1928-08-07 GB GB2275528A patent/GB317222A/en not_active Expired
-
1929
- 1929-08-05 FR FR679871D patent/FR679871A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB317222A (en) | 1929-08-15 |
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