ES348527A1 - Un dispositivo generador de frecuencias. - Google Patents

Un dispositivo generador de frecuencias.

Info

Publication number: ES348527A1
Authority: ES; Spain
Prior art keywords: potential; circuit; frequencies; transistors; oscillate
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.): Expired

Application number

ES348527A

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

Filing date

1967-12-22

Publication date

1969-03-16

1967-12-22 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1969-03-16 Publication of ES348527A1 publication Critical patent/ES348527A1/es

Status Expired 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

Landscapes

Devices For Supply Of Signal Current (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

ES348527A 1966-12-23 1967-12-22 Un dispositivo generador de frecuencias. Expired ES348527A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ES348527A1 true ES348527A1 (es)	1969-03-16

Family

ID=24418814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES348527A Expired ES348527A1 (es)	1966-12-23	1967-12-22	Un dispositivo generador de frecuencias.

Country Status (7)

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

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 (es) *	1970-09-19	1976-07-01
JPS5121282B1 (es) *	1970-09-19	1976-07-01
SE358799B (es) *	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 (es) *	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 (es)	1968-03-18
FR1543779A (fr)
NL6717360A (es)	1968-06-24
GB1174458A (en)	1969-12-17

Publication	Publication Date	Title
US2048081A (en)	1936-07-21	Communication system
GB1395577A (en)	1975-05-29	Telephones
ES348527A1 (es)	1969-03-16	Un dispositivo generador de frecuencias.
GB1362505A (en)	1974-08-07	Circuit arrangement for an ultrasonic cleaning apparatus
JPS5984949U (ja)	1984-06-08	電話通信装置
GB1350205A (en)	1974-04-18	Telephone subscribers instrument circuits
US3824484A (en)	1974-07-16	Touch-tone signal generation system
US3218395A (en)	1965-11-16	Electronic signaling arrangement
ES252928A1 (es)	1960-05-01	Una dispsoiciënde senalizaciën para micro-telefonos verticales
US3617646A (en)	1971-11-02	Multifrequency oscillator employing solid-state device switching for frequency selection
GB1021915A (en)	1966-03-09	A frequency switching device
US3899638A (en)	1975-08-12	Portable tone data transmitter
GB1063138A (en)	1967-03-30	Key-controlled multi-frequency tone generator
US2386515A (en)	1945-10-09	Two-way carrier wave signal transmission system
US3573663A (en)	1971-04-06	Frequency control circuit
KR930017358A (ko)	1993-08-30	전압 제어 수정 오실레이터(vcxo)를 사용한 베이스 유닛을 갖는 두개의 송수화기 무선 전화기 시스템
ES430695A1 (es)	1976-11-01	Perfeccionamientos introducidos en una disposicion de cir- cuito para generar tonos de una escala musical para uso en instrumentos musicales electronicos.
US980356A (en)	1911-01-03	Multiplex telephony and telegraphy.
US1537099A (en)	1925-05-12	Carrier-current system
ES417537A1 (es)	1976-03-01	Mejoras en los circuitos de llamada por pulsador para apa- ratos telefonicos.
GB1473151A (es)	1977-05-11
US1731802A (en)	1929-10-15	Single-conductor telephone or telegraph
ES337280A1 (es)	1968-02-01	Un dispositivo desmodulador de ondas moduladas en angulo.
GB1155765A (en)	1969-06-18	Audio Frequency Generator
KR790001631B1 (ko)	1979-11-23	송화기형 터치톤 다이얼(Touch Tone Dial) 발생장치