FR65313E - Gaseous microphone - Google Patents
Gaseous microphoneInfo
- Publication number
- FR65313E FR65313E FR65313DA FR65313E FR 65313 E FR65313 E FR 65313E FR 65313D A FR65313D A FR 65313DA FR 65313 E FR65313 E FR 65313E
- Authority
- FR
- France
- Prior art keywords
- microphone
- gaseous
- gaseous microphone
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1094344T | 1953-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR65313E true FR65313E (en) | 1956-02-08 |
Family
ID=9616986
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1094344D Expired FR1094344A (en) | 1953-10-17 | 1953-10-17 | Gaseous microphone |
FR65313D Expired FR65313E (en) | 1953-10-17 | 1954-02-13 | Gaseous microphone |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1094344D Expired FR1094344A (en) | 1953-10-17 | 1953-10-17 | Gaseous microphone |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR1094344A (en) |
-
1953
- 1953-10-17 FR FR1094344D patent/FR1094344A/en not_active Expired
-
1954
- 1954-02-13 FR FR65313D patent/FR65313E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1094344A (en) | 1955-05-18 |
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