CA1015039A - Phase discriminator having unlimited capture range - Google Patents

Phase discriminator having unlimited capture range

Info

Publication number: CA1015039A
Authority: CA; Canada
Prior art keywords: unlimited; phase discriminator; capture range; capture; range
Prior art date: 1973-11-12
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

CA211,518A

Other versions

CA211518S (en

Inventor

Shashi D. Malaviya

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.)

1973-11-12

Filing date

1974-10-16

Publication date

1977-08-02

1974-10-16 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1977-08-02 Application granted granted Critical

1977-08-02 Publication of CA1015039A publication Critical patent/CA1015039A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means

CA211,518A 1973-11-12 1974-10-16 Phase discriminator having unlimited capture range Expired CA1015039A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US415054A US3870900A (en)	1973-11-12	1973-11-12	Phase discriminator having unlimited capture range

Publications (1)

Publication Number	Publication Date
CA1015039A true CA1015039A (en)	1977-08-02

Family

ID=23644177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA211,518A Expired CA1015039A (en)	1973-11-12	1974-10-16	Phase discriminator having unlimited capture range

Country Status (7)

Country	Link
US (1)	US3870900A (en)
JP (1)	JPS5434592B2 (en)
CA (1)	CA1015039A (en)
DE (1)	DE2448533A1 (en)
FR (1)	FR2251123B1 (en)
GB (1)	GB1456589A (en)
IT (1)	IT1022787B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6035637B2 (en) *	1975-06-05	1985-08-15	シチズン時計株式会社	electronic clock
CA1057860A (en) *	1976-01-08	1979-07-03	Sperry Rand Corporation	Two mode harmonic and nonharmonic phase detector
JPS5478960A (en) *	1977-12-07	1979-06-23	Hitachi Ltd	Phase comparison circuit
US4216396A (en) *	1978-08-24	1980-08-05	Rca Corporation	Sample-hold phase detector
US4346343A (en) *	1980-05-16	1982-08-24	International Business Machines Corporation	Power control means for eliminating circuit to circuit delay differences and providing a desired circuit delay
US4354274A (en) *	1980-10-06	1982-10-12	U.S. Philips Corporation	Digital signal transmission system
JPS5843187A (en) *	1981-09-03	1983-03-12	Fuji Electric Co Ltd	Variable frequency oscillation system
FI95980C (en) *	1992-09-04	1996-04-10	Nokia Mobile Phones Ltd	Method and switchgear for accurate measurement of time with an inaccurate clock

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3441342A (en) *	1965-03-29	1969-04-29	Rca Corp	Frequency and phase error detection means for synchronization systems
US3413492A (en) *	1965-10-11	1968-11-26	Philco Ford Corp	Strobe amplifier of high speed turn-on and turn-off type having infinite noise rejection in absence of strobe pulse
US3469198A (en) *	1965-12-20	1969-09-23	Astrodata Inc	Phase detector for phase locked loop frequency detector employing current switching apparatus
US3430148A (en) *	1966-03-14	1969-02-25	Xerox Corp	Phase comparator circuit for providing varying width signal which is a function of phase difference and angle of two input signals
US3588710A (en) *	1968-08-05	1971-06-28	Westinghouse Electric Corp	Digital phase detection circuitry
US3742249A (en) *	1970-03-26	1973-06-26	Itt	Circuit for phase comparison
GB1364637A (en) *	1970-12-15	1974-08-21	Aisin Seiki	Method of and apparatus for indicating the lower and higher
US3714463A (en) *	1971-01-04	1973-01-30	Motorola Inc	Digital frequency and/or phase detector charge pump

1973
- 1973-11-12 US US415054A patent/US3870900A/en not_active Expired - Lifetime
1974
- 1974-10-02 GB GB4283674A patent/GB1456589A/en not_active Expired
- 1974-10-04 JP JP11397374A patent/JPS5434592B2/ja not_active Expired
- 1974-10-09 FR FR7434698A patent/FR2251123B1/fr not_active Expired
- 1974-10-11 DE DE19742448533 patent/DE2448533A1/en not_active Withdrawn
- 1974-10-11 IT IT28315/74A patent/IT1022787B/en active
- 1974-10-16 CA CA211,518A patent/CA1015039A/en not_active Expired

Also Published As

Publication number	Publication date
JPS5434592B2 (en)	1979-10-27
FR2251123A1 (en)	1975-06-06
IT1022787B (en)	1978-04-20
FR2251123B1 (en)	1976-10-22
US3870900A (en)	1975-03-11
JPS5081255A (en)	1975-07-01
GB1456589A (en)	1976-11-24
DE2448533A1 (en)	1975-05-15

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AU486349B2 (en)	1976-03-11	Lock
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