BE720452A - - Google Patents

Info

Publication number: BE720452A
Authority: BE; Belgium

Application number

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.)

1967-10-06

Filing date

1968-09-05

Publication date

1969-02-17

1968-09-05 Application filed filed Critical

1969-02-17 Publication of BE720452A publication Critical patent/BE720452A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
- H04L27/066—Carrier recovery circuits
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Power Engineering (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Synchronisation In Digital Transmission Systems (AREA)

BE720452D 1967-10-06 1968-09-05 BE720452A (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR6008733		1967-10-06

Publications (1)

Publication Number	Publication Date
BE720452A true BE720452A (sv)	1969-02-17

Family

ID=8970619

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE720452D BE720452A (sv)	1967-10-06	1968-09-05

Country Status (7)

Country	Link
US (1)	US3571717A (sv)
BE (1)	BE720452A (sv)
CH (1)	CH483155A (sv)
DE (1)	DE1800522B2 (sv)
GB (1)	GB1230190A (sv)
NL (1)	NL166593C (sv)
SE (1)	SE338071B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4100376A (en) *	1977-01-03	1978-07-11	Raytheon Company	Pilot tone demodulator
US4618996A (en) *	1984-04-24	1986-10-21	Avnet, Inc.	Dual pilot phase lock loop for radio frequency transmission
US4691375A (en) *	1984-06-06	1987-09-01	National Research Development Corporation	Data transmission using a transparent tone-in band system
USRE34036E (en) *	1984-06-06	1992-08-18	National Research Development Corporation	Data transmission using a transparent tone-in band system
DE3700457C1 (de) *	1987-01-09	1988-06-23	Ant Nachrichtentech	Verfahren und Anordnung zur Synchronisation eines Empfaengers bei digitalen UEbertragungssystemen
US6940933B1 (en)	1999-06-23	2005-09-06	Cingular Wireless Ii, Llc	Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3102164A (en) *		1963-08-27		Pulses on
NL50108C (sv) *	1936-07-20
US3182259A (en) *	1961-01-06	1965-05-04	Floyd P Holder	Submodulation systems for carrier recreation and doppler correction in single-sideband zero-carrier communications
US3202765A (en) *	1961-08-23	1965-08-24	Bell Telephone Labor Inc	Synchronization of frequency multiplex systems
US3196352A (en) *	1962-12-18	1965-07-20	Ibm	Multilevel vestigial sideband suppressed carrier data transmission system

1968
- 1968-09-05 BE BE720452D patent/BE720452A/xx not_active IP Right Cessation
- 1968-09-26 GB GB1230190D patent/GB1230190A/en not_active Expired
- 1968-10-01 US US764253A patent/US3571717A/en not_active Expired - Lifetime
- 1968-10-02 DE DE19681800522 patent/DE1800522B2/de not_active Withdrawn
- 1968-10-04 CH CH1488668A patent/CH483155A/de not_active IP Right Cessation
- 1968-10-04 NL NL6814297.A patent/NL166593C/xx not_active IP Right Cessation
- 1968-10-04 SE SE13468/68A patent/SE338071B/xx unknown

Also Published As

Publication number	Publication date
DE1800522A1 (de)	1969-06-19
NL166593C (nl)	1981-08-17
CH483155A (de)	1969-12-15
NL166593B (nl)	1981-03-16
NL6814297A (sv)	1969-04-09
DE1800522B2 (de)	1971-02-18
SE338071B (sv)	1971-08-30
US3571717A (en)	1971-03-23
GB1230190A (sv)	1971-04-28

Publication	Publication Date	Title
AU425114B2 (sv)	1972-06-14
AT298283B (sv)	1972-03-15
AU416737B2 (sv)	1971-09-03
AU342066A (sv)	1968-09-19
AU2277767A (sv)	1968-12-12
AU1273466A (sv)	1969-04-24
AU2116667A (sv)	1969-04-03
AU2256867A (sv)	1968-12-05
AU610966A (sv)	1968-11-28
AU2977667A (sv)	1969-05-22
AU2454867A (sv)	1969-01-16
AU2528767A (sv)	1970-01-08
AU3189468A (sv)	1969-07-10
AU3151267A (sv)	1968-01-08
BE698675A (sv)	1967-11-20
BE692654A (sv)	1967-07-17
BE710553A (sv)	1968-06-17
AU25066A (sv)	1968-07-11
BE710637A (sv)	1968-06-17
BE703614A (sv)	1968-02-01
AU2406369A (sv)	1969-01-09
BE700484A (sv)	1967-12-01
BE700158A (sv)	1967-12-01
BE692374A (sv)	1967-06-16
BE692780A (sv)	1967-07-03

Legal Events

Date	Code	Title	Description
1988-01-01	RE20	Patent expired	Owner name: INTERNATIONAL BUSINESS MACHINES CORP. Effective date: 19880905

Date

Code

Title

Description

1988-01-01

RE20

Patent expired

Owner name: INTERNATIONAL BUSINESS MACHINES CORP.

Effective date: 19880905