NL187776C - Oscillator met variabele frequentie. - Google Patents

Oscillator met variabele frequentie.

Info

Publication number: NL187776C
Authority: NL; Netherlands
Prior art keywords: oscillator; variable frequency; variable; frequency
Prior art date: 1973-12-05

Application number

NLAANVRAGE7415768,A

Other languages

English (en)

Dutch (nl)

Other versions

NL7415768A (nl

NL187776B (nl

Original Assignee

Sony 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.)

1973-12-05

Filing date

1974-12-03

Publication date

1992-01-02

1974-12-03 Application filed by Sony Corp filed Critical Sony Corp

1975-06-09 Publication of NL7415768A publication Critical patent/NL7415768A/xx

1991-08-01 Publication of NL187776B publication Critical patent/NL187776B/xx

1992-01-02 Application granted granted Critical

1992-01-02 Publication of NL187776C publication Critical patent/NL187776C/xx

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
- H03B5/36—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 semiconductor device
- H03B5/366—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 semiconductor device and comprising means for varying the frequency by a variable voltage or current
- H03B5/368—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 semiconductor device and comprising means for varying the frequency by a variable voltage or current the means being voltage variable capacitance diodes
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
- H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or 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
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
- 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
- H03B5/36—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 semiconductor device
- H03B5/362—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 semiconductor device the amplifier being a single transistor
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0037—Functional aspects of modulators
- H03C2200/0087—Measures to address temperature induced variations of modulation
- H03C2200/0091—Measures to address temperature induced variations of modulation by stabilising the temperature

NLAANVRAGE7415768,A 1973-12-05 1974-12-03 Oscillator met variabele frequentie. NL187776C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP48138442A JPS5087559A (mo)	1973-12-05	1973-12-05

Publications (3)

Publication Number	Publication Date
NL7415768A NL7415768A (nl)	1975-06-09
NL187776B NL187776B (nl)	1991-08-01
NL187776C true NL187776C (nl)	1992-01-02

Family

ID=15222076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7415768,A NL187776C (nl)	1973-12-05	1974-12-03	Oscillator met variabele frequentie.

Country Status (8)

Country	Link
US (1)	US3995233A (mo)
JP (1)	JPS5087559A (mo)
CA (1)	CA1014627A (mo)
DE (1)	DE2457374C2 (mo)
FR (1)	FR2254148B1 (mo)
GB (1)	GB1481630A (mo)
IT (1)	IT1026821B (mo)
NL (1)	NL187776C (mo)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5565188A (en)	1978-11-10	1980-05-16	Seiko Instr & Electronics Ltd	Electronic watch
DE2945546C2 (de) *	1979-11-10	1983-09-29	Philips Patentverwaltung Gmbh, 2000 Hamburg	Schaltungsanordnung für abstimmbare HF-Kreise
FR2501434B1 (fr) *	1981-03-03	1985-10-11	Cepe	Oscillateur a frequence commandee comportant un element piezoelectrique et presentant une plage de variation de frequence etendue
US4511863A (en) *	1983-03-22	1985-04-16	General Electric Company	Combined modulation and temperature compensation circuit
US4620226A (en) *	1984-05-17	1986-10-28	Cheung William S H	Apparatus for producing audio and visual signals for modulating a television system carrier signal
US4607239A (en) *	1985-02-28	1986-08-19	The United States Of America As Represented By The Secretary Of The Army	Adjustment of the frequency-temperature characteristics of crystal oscillators
US4630008A (en) *	1985-03-29	1986-12-16	Weeks Richard W	Direct FM crystal-controlled oscillator
US4924195A (en) *	1989-06-19	1990-05-08	At&T Bell Laboratories	Crystal oscillator with broad tuning capability
US4951007A (en) *	1989-10-04	1990-08-21	The United States Of America As Represented By The Secretary Of The Army	Temperature compensated crystal oscillator (TCXO) with improved temperature compensation
US5030926A (en) *	1990-07-10	1991-07-09	At&T Bell Laboratories	Voltage controlled balanced crystal oscillator circuit
EP0744836A3 (en) *	1995-05-25	1998-03-25	Kabushiki Kaisha Meidensha	Temperature compensated crystal oscillator
KR20040012852A (ko) *	2001-05-21	2004-02-11	톰슨 라이센싱 에스.에이.	광대역 전압 제어형 수정 발진기
JP2003332842A (ja) *	2002-05-13	2003-11-21	Fujitsu Media Device Kk	発振器
US7679461B2 (en) *	2004-10-11	2010-03-16	Telefonaktiebolaget L M Ericsson (Publ)	Varactor device with reduced temperature dependence
US7511476B2 (en) *	2005-01-04	2009-03-31	Digisensors, Inc.	Electromagnetic sensor systems and methods of use thereof
JP6397066B2 (ja) *	2017-02-20	2018-09-26	日本電波工業株式会社	水晶発振器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4314672Y1 (mo) *	1965-06-02	1968-06-20
US3373379A (en) *	1966-06-17	1968-03-12	Motorola Inc	Crystal oscillator with temperature compensation
US3569865A (en) *	1969-06-12	1971-03-09	Us Navy	High stability voltage-controlled crystal oscillator

1973
- 1973-12-05 JP JP48138442A patent/JPS5087559A/ja active Pending
1974
- 1974-11-27 US US05/527,693 patent/US3995233A/en not_active Expired - Lifetime
- 1974-12-03 NL NLAANVRAGE7415768,A patent/NL187776C/xx not_active IP Right Cessation
- 1974-12-04 CA CA215,243A patent/CA1014627A/en not_active Expired
- 1974-12-04 DE DE2457374A patent/DE2457374C2/de not_active Expired
- 1974-12-04 GB GB52463/74A patent/GB1481630A/en not_active Expired
- 1974-12-05 FR FR7439892A patent/FR2254148B1/fr not_active Expired
- 1974-12-05 IT IT30222/74A patent/IT1026821B/it active

Also Published As

Publication number	Publication date
US3995233A (en)	1976-11-30
IT1026821B (it)	1978-10-20
NL7415768A (nl)	1975-06-09
JPS5087559A (mo)	1975-07-14
CA1014627A (en)	1977-07-26
GB1481630A (en)	1977-08-03
FR2254148B1 (mo)	1978-06-23
DE2457374C2 (de)	1986-02-13
DE2457374A1 (de)	1975-06-12
NL187776B (nl)	1991-08-01
FR2254148A1 (mo)	1975-07-04
USB527693I5 (mo)	1976-02-03

Legal Events

Date	Code	Title
1982-01-04	BA	A request for search or an international-type search has been filed
1982-01-04	BB	A search report has been drawn up
1982-05-03	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-08-16	V1	Lapsed because of non-payment of the annual fee

Publication	Publication Date	Title
NL178720C (nl)	1986-05-01	Vriesinrichting.
NL177641B (nl)	1985-05-17	Dielektrisch resonatorfilter.
NL7409361A (nl)	1975-04-21	Hoogfrequente schakelkring.
NL187776B (nl)	1991-08-01	Oscillator met variabele frequentie.
NL169368C (nl)	1982-07-01	Frequentiemeter.
NL7508081A (nl)	1976-01-07	Oscillatorschakeling met gestabiliseerde frequentie.
NL7410395A (nl)	1975-02-11	Comparator-gestuurde oscillator.
NL7412958A (nl)	1975-04-04	Oscillator.
NL7411875A (nl)	1975-03-11	Radiofrequentie-zender.
SE397615B (sv)	1977-11-07	Felseker oscillatorkrets
NL7416884A (nl)	1975-07-01	Afsteminrichting.
NL7416348A (nl)	1975-06-20	Koelkast-vriesinrichting.
SE398027B (sv)	1977-11-28	Frekvenskenslig forjoniserare
NL179696C (nl)	1986-10-16	Microgolfoven.
NL7316593A (nl)	1975-01-20	Oscillator.
NL7408847A (nl)	1975-02-03	Microgolfinrichting.
NL161315C (nl)	1980-01-15	Planaire frequentieomzetter.
NL181539C (nl)	1987-09-01	Sinus-oscillator met elektronisch variabele frequentie.
NL177874C (nl)	1985-12-02	Oscillator.
FI56293B (fi)	1979-08-31	Stroemmatningskrets till oscillator foer telefonapparater
SE7409155L (sv)	1975-01-15	Radarmottagare for skiftande frekvens.
NL166588C (nl)	1981-08-17	Variabele frequentiegenerator.
CH548137A (de)	1974-04-11	Gunnoszillator.
NL7414552A (nl)	1975-05-14	Binaire frequentiedeler.
IT1019935B (it)	1977-11-30	Cescia oscillante