ES296996A1 - Perfeccionamientos en dispositivos para el accionamiento de avisadores acusticos de excitaciën electromagnetica - Google Patents
Perfeccionamientos en dispositivos para el accionamiento de avisadores acusticos de excitaciën electromagneticaInfo
- Publication number
- ES296996A1 ES296996A1 ES0296996A ES296996A ES296996A1 ES 296996 A1 ES296996 A1 ES 296996A1 ES 0296996 A ES0296996 A ES 0296996A ES 296996 A ES296996 A ES 296996A ES 296996 A1 ES296996 A1 ES 296996A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- devices
- machine
- legally binding
- google translate
- Prior art date
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems, e.g. audible personal calling systems
- G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
-
- 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
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
-
- 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
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3309563 | 1963-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES296996A1 true ES296996A1 (es) | 1964-09-16 |
Family
ID=11236328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0296996A Expired ES296996A1 (es) | 1963-03-21 | 1964-02-28 | Perfeccionamientos en dispositivos para el accionamiento de avisadores acusticos de excitaciën electromagnetica |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE645213A (ca) |
| ES (1) | ES296996A1 (ca) |
-
1964
- 1964-02-28 ES ES0296996A patent/ES296996A1/es not_active Expired
- 1964-03-13 BE BE645213D patent/BE645213A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE645213A (ca) | 1964-07-01 |
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