ES427220A1 - Perfeccionamientos en generadores de pilotaje de transduc- tores por trenes de ondas sinusoidales. - Google Patents
Perfeccionamientos en generadores de pilotaje de transduc- tores por trenes de ondas sinusoidales.Info
- Publication number
- ES427220A1 ES427220A1 ES427220A ES427220A ES427220A1 ES 427220 A1 ES427220 A1 ES 427220A1 ES 427220 A ES427220 A ES 427220A ES 427220 A ES427220 A ES 427220A ES 427220 A1 ES427220 A1 ES 427220A1
- Authority
- ES
- Spain
- Prior art keywords
- generator
- controlling
- ultrasonic transducer
- periodic signals
- wave trains
- 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
- 230000000737 periodic effect Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/80—Generating trains of sinusoidal oscillations
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7321519A FR2298905A1 (fr) | 1973-06-13 | 1973-06-13 | Procede et dispositif d'emission de trains d'ondes sinusoidales |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES427220A1 true ES427220A1 (es) | 1976-07-01 |
Family
ID=9120897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES427220A Expired ES427220A1 (es) | 1973-06-13 | 1974-06-12 | Perfeccionamientos en generadores de pilotaje de transduc- tores por trenes de ondas sinusoidales. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3938071A (es) |
| DE (1) | DE2428179A1 (es) |
| ES (1) | ES427220A1 (es) |
| FR (1) | FR2298905A1 (es) |
| GB (1) | GB1435874A (es) |
| IT (1) | IT1011960B (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207772A (en) * | 1977-07-11 | 1980-06-17 | Mediscan, Inc. | Electronic drive system and technique for ultrasonic transducer |
| US4326273A (en) * | 1980-07-23 | 1982-04-20 | Hurst Performance, Inc. | Ultrasonic ranging device |
| US20090306550A1 (en) * | 2008-06-04 | 2009-12-10 | Eilaz Babaev | Ultrasonic Endometrial Cryoablation Method |
| US20090299235A1 (en) * | 2008-06-03 | 2009-12-03 | Eilaz Babaev | Ultrasonic Endometrial Cryoablation Device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735014A (en) * | 1956-02-14 | Keyed oscillator | ||
| IT581946A (es) * | 1956-11-27 | 1900-01-01 | ||
| US3201707A (en) * | 1957-06-28 | 1965-08-17 | Marcel J Aucremanne | Device for producing a signal for actuation of acoustic mines |
| US3078416A (en) * | 1959-07-09 | 1963-02-19 | Westinghouse Electric Corp | Generator for producing a signal having a symbolic waveform |
| US3182489A (en) * | 1962-10-22 | 1965-05-11 | Delcon Corp | Ultrasonic contaminant detecting |
| US3342283A (en) * | 1964-07-13 | 1967-09-19 | Gen Dynamics Corp | Control apparatus utilized to produce a beam from seismic sources |
| US3579117A (en) * | 1968-09-27 | 1971-05-18 | Bell Telephone Labor Inc | Waveform generator |
-
1973
- 1973-06-13 FR FR7321519A patent/FR2298905A1/fr active Granted
-
1974
- 1974-06-05 US US05/476,576 patent/US3938071A/en not_active Expired - Lifetime
- 1974-06-11 GB GB2578574A patent/GB1435874A/en not_active Expired
- 1974-06-11 DE DE19742428179 patent/DE2428179A1/de not_active Withdrawn
- 1974-06-12 ES ES427220A patent/ES427220A1/es not_active Expired
- 1974-06-12 IT IT68857/74A patent/IT1011960B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1011960B (it) | 1977-02-10 |
| DE2428179A1 (de) | 1975-01-02 |
| GB1435874A (en) | 1976-05-19 |
| FR2298905A1 (fr) | 1976-08-20 |
| FR2298905B1 (es) | 1978-12-29 |
| US3938071A (en) | 1976-02-10 |
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