JPS5413772B2 - - Google Patents
Info
- Publication number
- JPS5413772B2 JPS5413772B2 JP14845575A JP14845575A JPS5413772B2 JP S5413772 B2 JPS5413772 B2 JP S5413772B2 JP 14845575 A JP14845575 A JP 14845575A JP 14845575 A JP14845575 A JP 14845575A JP S5413772 B2 JPS5413772 B2 JP S5413772B2
- Authority
- JP
- Japan
- 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
- H04R21/00—Variable-resistance transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electron Tubes For Measurement (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14845575A JPS5273020A (en) | 1975-12-15 | 1975-12-15 | Electrode for carbon transmitter |
| US05/886,156 US4205206A (en) | 1975-10-31 | 1978-03-13 | Carbon granule microphone with molded resin-conductive carbon electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14845575A JPS5273020A (en) | 1975-12-15 | 1975-12-15 | Electrode for carbon transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5273020A JPS5273020A (en) | 1977-06-18 |
| JPS5413772B2 true JPS5413772B2 (enExample) | 1979-06-02 |
Family
ID=15453141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14845575A Granted JPS5273020A (en) | 1975-10-31 | 1975-12-15 | Electrode for carbon transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5273020A (enExample) |
-
1975
- 1975-12-15 JP JP14845575A patent/JPS5273020A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5273020A (en) | 1977-06-18 |