JPS5222522B2 - - Google Patents
Info
- Publication number
- JPS5222522B2 JPS5222522B2 JP847773A JP847773A JPS5222522B2 JP S5222522 B2 JPS5222522 B2 JP S5222522B2 JP 847773 A JP847773 A JP 847773A JP 847773 A JP847773 A JP 847773A JP S5222522 B2 JPS5222522 B2 JP S5222522B2
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Optical Recording Or Reproduction (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722203095 DE2203095B1 (de) | 1972-01-22 | 1972-01-22 | Geraet zur mechanischen aufzeichnung von schwingungen eines breiten frequenzbereiches (20 khz bis 200 bzw. 400 khz) auf ebene signaltraeger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4883801A JPS4883801A (cs) | 1973-11-08 |
| JPS5222522B2 true JPS5222522B2 (cs) | 1977-06-17 |
Family
ID=5833782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP847773A Expired JPS5222522B2 (cs) | 1972-01-22 | 1973-01-19 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5222522B2 (cs) |
| DE (1) | DE2203095B1 (cs) |
| DK (1) | DK137260C (cs) |
| FR (1) | FR2169099A1 (cs) |
| GB (1) | GB1421831A (cs) |
| IT (1) | IT973064B (cs) |
-
1972
- 1972-01-22 DE DE19722203095 patent/DE2203095B1/de active Granted
- 1972-12-28 IT IT3375672A patent/IT973064B/it active
-
1973
- 1973-01-12 GB GB168873A patent/GB1421831A/en not_active Expired
- 1973-01-19 JP JP847773A patent/JPS5222522B2/ja not_active Expired
- 1973-01-19 FR FR7301954A patent/FR2169099A1/fr not_active Withdrawn
- 1973-01-19 DK DK30973A patent/DK137260C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2169099A1 (cs) | 1973-09-07 |
| JPS4883801A (cs) | 1973-11-08 |
| DE2203095A1 (cs) | 1973-04-26 |
| DE2203095C2 (cs) | 1973-11-15 |
| DK137260B (da) | 1978-02-06 |
| IT973064B (it) | 1974-06-10 |
| GB1421831A (en) | 1976-01-21 |
| DE2203095B1 (de) | 1973-04-26 |
| DK137260C (da) | 1978-07-10 |