IT1013152B - Perfezionamento nei sintetizzatori di frequenza numerici in condifica zione binaria - Google Patents

Perfezionamento nei sintetizzatori di frequenza numerici in condifica zione binaria

Info

Publication number: IT1013152B
Authority: IT; Italy
Prior art keywords: conditioning; binary; improvement; frequency synthesizers; numerical frequency
Prior art date: 1973-07-23

Application number

IT50930/74A

Other languages

English (en)

Original Assignee

Cutler Hammer Inc

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.)

1973-07-23

Filing date

1974-05-10

Publication date

1977-03-30

1974-05-10 Application filed by Cutler Hammer Inc filed Critical Cutler Hammer Inc

1977-03-30 Application granted granted Critical

1977-03-30 Publication of IT1013152B publication Critical patent/IT1013152B/it

Links

230000003750 conditioning effect Effects 0.000 title 1

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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/04—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies using several similar stages

IT50930/74A 1973-07-23 1974-05-10 Perfezionamento nei sintetizzatori di frequenza numerici in condifica zione binaria IT1013152B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00381980A US3838355A (en)	1973-07-23	1973-07-23	Binary coded digital frequency synthesis

Publications (1)

Publication Number	Publication Date
IT1013152B true IT1013152B (it)	1977-03-30

Family

ID=23507082

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT50930/74A IT1013152B (it)	1973-07-23	1974-05-10	Perfezionamento nei sintetizzatori di frequenza numerici in condifica zione binaria

Country Status (8)

Country	Link
US (1)	US3838355A (it)
JP (1)	JPS5229144B2 (it)
BR (1)	BR7404515A (it)
CA (1)	CA992166A (it)
DE (1)	DE2433075B2 (it)
FR (1)	FR2239049B1 (it)
GB (1)	GB1456104A (it)
IT (1)	IT1013152B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4186356A (en) *	1977-04-20	1980-01-29	Adret Electronique	Phase locked loop frequency synthesizer and frequency modulator
JPS54149841U (it) *	1978-04-10	1979-10-18
US4494073A (en) *	1982-09-27	1985-01-15	Cubic Corporation	Frequency generator using composite digitally controlled oscillators
US4725786A (en) *	1984-07-26	1988-02-16	Comstron Corporation	Full-octave direct frequency synthesizer
US4626787A (en) *	1985-03-06	1986-12-02	Harris Corporation	Application of the phaselock loop to frequency synthesis
US4878027A (en) *	1987-08-03	1989-10-31	Hewlett-Packard Company	Direct frequency synthesizer using powers of two synthesis techniques
US4831339A (en) *	1987-08-21	1989-05-16	Nemeth-Bates Corp	Oscillator having low phase noise
US4791377A (en) *	1987-10-20	1988-12-13	Gte Government Systems Corporation	Direct frequency synthesizer
US5014347A (en) *	1988-02-16	1991-05-07	Gulton Industries Inc., Femco Division	Field telephone system
US6320143B1 (en)	1999-12-30	2001-11-20	Square D Company	Slider linkage for double throw safety switches
US6194675B1 (en)	1999-12-30	2001-02-27	Square D Company	Boxer linkage for double throw safety switches
US6362442B1 (en)	1999-12-31	2002-03-26	Square D Company	Two-stage self adjusting trip latch
US6271489B1 (en)	1999-12-31	2001-08-07	Square D Company	Cam-lock enhanced pressure switch contacts
KR102792337B1 (ko) *	2019-11-04	2025-04-09	삼성디스플레이 주식회사	표시장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2829255A (en) *	1955-10-10	1958-04-01	Collins Radio Co	Digital frequency synthesizer system
US2894133A (en) *	1957-04-24	1959-07-07	Collins Radio Co	Tuning system for frequency synthesizing means
US3212024A (en) *	1961-01-13	1965-10-12	Aircraft Radio Corp	Measuring and testing circuit for frequency synthesizer
US3235815A (en) *	1962-12-14	1966-02-15	Hazeltine Research Inc	Frequency synthesizer digit selector
US3372347A (en) *	1966-04-29	1968-03-05	Monsanto Co	Frequency synthesizer employing minimal number of driving frequencies
US3454883A (en) *	1966-11-17	1969-07-08	Melpar Inc	Binary frequency synthesizer with alternating offset frequency technique

1973
- 1973-07-23 US US00381980A patent/US3838355A/en not_active Expired - Lifetime
1974
- 1974-03-05 CA CA194,157A patent/CA992166A/en not_active Expired
- 1974-05-10 IT IT50930/74A patent/IT1013152B/it active
- 1974-05-31 BR BR4515/74A patent/BR7404515A/pt unknown
- 1974-07-10 DE DE19742433075 patent/DE2433075B2/de active Granted
- 1974-07-19 FR FR7425212A patent/FR2239049B1/fr not_active Expired
- 1974-07-23 JP JP49083854A patent/JPS5229144B2/ja not_active Expired
- 1974-07-23 GB GB3252974A patent/GB1456104A/en not_active Expired

Also Published As

Publication number	Publication date
JPS5229144B2 (it)	1977-07-30
DE2433075A1 (de)	1975-03-20
US3838355A (en)	1974-09-24
DE2433075B2 (de)	1976-10-28
FR2239049B1 (it)	1977-10-21
BR7404515A (pt)	1976-02-10
FR2239049A1 (it)	1975-02-21
GB1456104A (en)	1976-11-17
JPS5044760A (it)	1975-04-22
CA992166A (en)	1976-06-29

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