BE688889A - - Google Patents
Info
- Publication number
- BE688889A BE688889A BE688889DA BE688889A BE 688889 A BE688889 A BE 688889A BE 688889D A BE688889D A BE 688889DA BE 688889 A BE688889 A BE 688889A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/16—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with field-effect devices
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Pressure Sensors (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50553165A | 1965-10-28 | 1965-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE688889A true BE688889A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-03-31 |
Family
ID=24010693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE688889D BE688889A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-10-28 | 1966-10-26 |
Country Status (3)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61222178A (ja) * | 1985-03-15 | 1986-10-02 | Sharp Corp | 電界効果型圧力センサ |
| DE3515349A1 (de) * | 1985-04-27 | 1986-10-30 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Elektrischer geber zur messung mechanischer groessen |
-
1966
- 1966-09-30 GB GB4380966A patent/GB1128318A/en not_active Expired
- 1966-10-26 BE BE688889D patent/BE688889A/xx unknown
- 1966-10-28 DE DE19661547105 patent/DE1547105A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1547105A1 (de) | 1969-10-02 |
| GB1128318A (en) | 1968-09-25 |