SE328026B - - Google Patents
Info
- Publication number
- SE328026B SE328026B SE00752/69A SE75269A SE328026B SE 328026 B SE328026 B SE 328026B SE 00752/69 A SE00752/69 A SE 00752/69A SE 75269 A SE75269 A SE 75269A SE 328026 B SE328026 B SE 328026B
- Authority
- SE
- Sweden
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
- H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE00752/69A SE328026B (fr) | 1969-01-21 | 1969-01-21 | |
US2551A US3639679A (en) | 1969-01-21 | 1970-01-13 | Semiconductor microphone |
DE19702002778 DE2002778B2 (de) | 1969-01-21 | 1970-01-19 | Halbleitermikrophon |
FR707002099A FR2033255B1 (fr) | 1969-01-21 | 1970-01-21 | |
GB3045/70A GB1243608A (en) | 1969-01-21 | 1970-01-21 | Transducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE00752/69A SE328026B (fr) | 1969-01-21 | 1969-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE328026B true SE328026B (fr) | 1970-09-07 |
Family
ID=20257050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE00752/69A SE328026B (fr) | 1969-01-21 | 1969-01-21 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3639679A (fr) |
DE (1) | DE2002778B2 (fr) |
FR (1) | FR2033255B1 (fr) |
GB (1) | GB1243608A (fr) |
SE (1) | SE328026B (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2907897A (en) * | 1956-07-09 | 1959-10-06 | Howard H Sander | Pressure transducer |
DE1100305B (de) * | 1958-09-09 | 1961-02-23 | Siemens Ag | Elektromechanischer Wandler nach Art eines Tonabnehmers |
US2916639A (en) * | 1958-10-30 | 1959-12-08 | Ampex | Magnetic transducing device and circuit therefor |
US3274406A (en) * | 1963-01-31 | 1966-09-20 | Rca Corp | Acoustic-electromagnetic device |
US3264416A (en) * | 1963-05-06 | 1966-08-02 | Gen Telephone & Elect | Transducer |
FR1567136A (fr) * | 1966-12-30 | 1969-05-16 |
-
1969
- 1969-01-21 SE SE00752/69A patent/SE328026B/xx unknown
-
1970
- 1970-01-13 US US2551A patent/US3639679A/en not_active Expired - Lifetime
- 1970-01-19 DE DE19702002778 patent/DE2002778B2/de not_active Withdrawn
- 1970-01-21 FR FR707002099A patent/FR2033255B1/fr not_active Expired
- 1970-01-21 GB GB3045/70A patent/GB1243608A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1243608A (en) | 1971-08-25 |
FR2033255B1 (fr) | 1974-03-01 |
DE2002778B2 (de) | 1972-01-20 |
DE2002778A1 (de) | 1970-07-30 |
US3639679A (en) | 1972-02-01 |
FR2033255A1 (fr) | 1970-12-04 |