FR1543779A - Dispositif engendrant un son - Google Patents

Dispositif engendrant un son

Info

Publication number: FR1543779A
Authority: FR; France
Prior art keywords: generating device; sound generating; sound; generating
Prior art date: 1966-12-23
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.): Active

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

Priority date (The priority date 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 date listed.)

1966-12-23

Publication of FR1543779A publication Critical patent/FR1543779A/fr

Status Active legal-status Critical Current

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
- H03B5/08—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
- 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
- H03B5/1237—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 comprising means for varying the frequency of the generator
- H03B5/1262—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 comprising means for varying the frequency of the generator the means comprising switched elements

FR1543779D 1966-12-23 Dispositif engendrant un son Active FR1543779A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US60424466A	1966-12-23	1966-12-23

Publications (1)

Publication Number	Publication Date
FR1543779A true FR1543779A (fr)

Family

ID=24418814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1543779D Active FR1543779A (fr)	1966-12-23		Dispositif engendrant un son

Country Status (7)

Country	Link
US (1)	US3427569A (fr)
BE (1)	BE706271A (fr)
CH (1)	CH460093A (fr)
ES (1)	ES348527A1 (fr)
FR (1)	FR1543779A (fr)
GB (1)	GB1174458A (fr)
NL (1)	NL6717360A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3573663A (en) *	1969-02-10	1971-04-06	Lorain Prod Corp	Frequency control circuit
US3932824A (en) *	1970-03-06	1976-01-13	Wycoff Keith H	Signal selective circuit
JPS5121283B1 (fr) *	1970-09-19	1976-07-01
JPS5121282B1 (fr) *	1970-09-19	1976-07-01
SE358799B (fr) *	1971-12-06	1973-08-06	Sonab Dev Ab
US3891940A (en) *	1973-02-10	1975-06-24	Iwatsu Electric Co Ltd	Two-tone generator using transistors for switching LC resonant circuits
US3971896A (en) *	1973-11-16	1976-07-27	Iwasaki Tsushinki Kabushiki Kaisha	Two-tone generator using switching transistors in LC resonant circuits controlled by push-button
FR2612017A1 (fr) *	1987-03-03	1988-09-09	Aerospatiale	Oscillateur a circuit accorde reglable dans une large gamme de frequence
US5872489A (en) *	1997-04-28	1999-02-16	Rockwell Science Center, Llc	Integrated tunable inductance network and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2532455A (en) *	1947-04-23	1950-12-05	Rca Corp	Oscillation generator
US2761066A (en) *	1951-10-25	1956-08-28	Harris A Robinson	Harmonic generator
US2801341A (en) *	1956-01-24	1957-07-30	David L Jaffe	Oscillator
US2930991A (en) *	1958-03-03	1960-03-29	Rca Corp	Frequency shift oscillator
NL242923A (fr) *	1958-09-08
US2991357A (en) *	1959-08-31	1961-07-04	Gen Electric	Amplitude modulated radio frequency transmitter
US3101447A (en) *	1960-11-10	1963-08-20	Magnavox Co	Modulated oscillator circuit

0
- FR FR1543779D patent/FR1543779A/fr active Active
1966
- 1966-12-23 US US604244A patent/US3427569A/en not_active Expired - Lifetime
1967
- 1967-10-02 GB GB44709/67A patent/GB1174458A/en not_active Expired
- 1967-11-09 BE BE706271D patent/BE706271A/xx unknown
- 1967-12-20 NL NL6717360A patent/NL6717360A/xx unknown
- 1967-12-21 CH CH1810267A patent/CH460093A/de unknown
- 1967-12-22 ES ES348527A patent/ES348527A1/es not_active Expired

Also Published As

Publication number	Publication date
US3427569A (en)	1969-02-11
CH460093A (de)	1968-07-31
BE706271A (fr)	1968-03-18
ES348527A1 (es)	1969-03-16
NL6717360A (fr)	1968-06-24
GB1174458A (en)	1969-12-17

Publication	Publication Date	Title
FR1516424A (fr)	1968-03-08	Dispositif semi-conducteur
FR1515222A (fr)	1968-03-01	Dispositif hydro-pneumatique
FR1543779A (fr)		Dispositif engendrant un son
FR1538083A (fr)	1968-08-30	Dispositif arithmétique
FR1519136A (fr)	1968-03-29	Dispositif audio-visuel
BE749936R (fr)	1970-10-16	Dispositif
FR1505359A (fr)	1967-12-15	Dispositif formant rayonnage
FR1494885A (fr)	1967-09-15	Dispositif de balayage optico-mécanique
FR1496637A (fr)	1967-09-29	Dispositif vibreur
FR1441207A (fr)	1966-06-03	Dispositif générateur de tonalité
FR1512650A (fr)	1968-02-09	Dispositif électrophotographique
FR1544950A (fr)	1968-11-08	Dispositif résonnant
FR1518374A (fr)	1968-03-22	Dispositif semi-conducteur
FR1474000A (fr)	1967-03-24	Dispositif variateur-embrayeur de vitesses
CH470212A (de)	1969-03-31	Schwinggerät
AT278161B (de)	1970-01-26	Statische Sendeeinrichtung
FR1499658A (fr)	1967-10-27	Appareil téléphonique
FR1528633A (fr)	1968-06-14	Dispositif de rayonnage
FR1506498A (fr)	1967-12-22	Dispositif antipropulsion
FR1467321A (fr)	1967-01-27	Dispositif chrono-commutateur
FR1433577A (fr)	1966-04-01	Dispositif sonore
FR1510838A (fr)	1968-01-26	Dispositif régulateur
FR1473296A (fr)	1967-03-17	Dispositif de radiotéléphonie
FR1510485A (fr)	1968-01-19	Dispositif de renvidage
FR1516036A (fr)	1968-03-08	Dispositif anti-boue