BE397007A - - Google Patents
Info
- Publication number
- BE397007A BE397007A BE397007DA BE397007A BE 397007 A BE397007 A BE 397007A BE 397007D A BE397007D A BE 397007DA BE 397007 A BE397007 A BE 397007A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts
- D06P3/305—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts with oxidation dyes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE397007X | 1931-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE397007A true BE397007A (https=) |
Family
ID=6397128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE397007D BE397007A (https=) | 1931-12-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1993783A (https=) |
| BE (1) | BE397007A (https=) |
| GB (1) | GB397007A (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2589240A (en) * | 1945-04-07 | 1952-03-18 | William E Frye | Double pulse generator |
| US2656467A (en) * | 1950-08-21 | 1953-10-20 | North American Aviation Inc | Crystal oscillator |
| US3434051A (en) * | 1964-03-25 | 1969-03-18 | Litton Systems Inc | Crystal controlled transducer coupling circuit |
| US4233574A (en) * | 1977-07-15 | 1980-11-11 | Hitachi, Ltd. | Oscillation circuit |
| RU2331345C2 (ru) * | 2002-09-27 | 2008-08-20 | Колгейт-Палмолив Компани | Зубная щетка |
-
0
- BE BE397007D patent/BE397007A/xx unknown
-
1932
- 1932-12-28 US US649196A patent/US1993783A/en not_active Expired - Lifetime
- 1932-12-29 GB GB36782/32A patent/GB397007A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1993783A (en) | 1935-03-12 |
| GB397007A (en) | 1933-08-17 |