FR788927A - Microphone portatif - Google Patents
Microphone portatifInfo
- Publication number
- FR788927A FR788927A FR788927DA FR788927A FR 788927 A FR788927 A FR 788927A FR 788927D A FR788927D A FR 788927DA FR 788927 A FR788927 A FR 788927A
- Authority
- FR
- France
- Prior art keywords
- hand
- held microphone
- microphone
- held
- 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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US723230A US2085184A (en) | 1934-04-30 | 1934-04-30 | Lapel microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR788927A true FR788927A (fr) | 1935-10-19 |
Family
ID=24905396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR788927D Expired FR788927A (fr) | 1934-04-30 | 1935-04-17 | Microphone portatif |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2085184A (fr) |
| FR (1) | FR788927A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8175314B1 (en) | 2007-07-20 | 2012-05-08 | Webster Brian E | Tactical microphone support systems |
-
1934
- 1934-04-30 US US723230A patent/US2085184A/en not_active Expired - Lifetime
-
1935
- 1935-04-17 FR FR788927D patent/FR788927A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2085184A (en) | 1937-06-29 |
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