NL7007910A - - Google Patents

Info

Publication number: NL7007910A
Authority: NL; Netherlands

Application number

NL7007910A

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.)

1969-06-02

Filing date

1970-06-01

Publication date

1970-12-04

1970-06-01 Application filed filed Critical

1970-12-04 Publication of NL7007910A publication Critical patent/NL7007910A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
- H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Superheterodyne Receivers (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Television Receiver Circuits (AREA)

NL7007910A 1969-06-02 1970-06-01 NL7007910A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US82940369A	1969-06-02	1969-06-02

Publications (1)

Publication Number	Publication Date
NL7007910A true NL7007910A (xx)	1970-12-04

Family

ID=25254444

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7007910A NL7007910A (xx)	1969-06-02	1970-06-01

Country Status (6)

Country	Link
US (1)	US3624512A (xx)
CA (1)	CA929658A (xx)
DE (1)	DE2026749A1 (xx)
FR (1)	FR2049144B1 (xx)
GB (1)	GB1300636A (xx)
NL (1)	NL7007910A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3858000A (en) *	1972-12-04	1974-12-31	Warwick Electronics Inc	Extended range afc system
GB1440342A (en) *	1973-04-10	1976-06-23	Thorn Electrical Ind Ltd	Television receiver circuits
NL7306381A (xx) *	1973-05-08	1974-11-12
DE2814429C3 (de) *	1978-04-04	1980-10-09	Loewe Opta Gmbh, 1000 Berlin	Empfängerschaltung mit einem Frequenz sytithetisator in nachrichtentechnischen Empfangsgeräten
JP3631037B2 (ja) *	1999-03-18	2005-03-23	アルプス電気株式会社	テレビジョンチューナー

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL113689C (xx) *	1958-10-29	1967-06-15
GB925157A (en) *	1960-06-29	1963-05-01	Standard Telephones Cables Ltd	Circuit arrangement for effecting automatic frequency readjustment in television receivers
DE1171032B (de) *	1961-11-13	1964-05-27	Telefunken Patent	Anordnung zur elektronischen Abstimmung und zur automatischen Scharfabstimmung
US3519939A (en) *	1965-09-21	1970-07-07	Matsushita Electric Ind Co Ltd	Automatic tuning receiver with detuning means
US3502988A (en) *	1966-09-08	1970-03-24	Philco Ford Corp	Tuning circuit including a signal-controlled variable capacitance device
US3499981A (en) *	1968-04-18	1970-03-10	Sylvania Electric Prod	Afc system for television receiver

1969
- 1969-06-02 US US829403A patent/US3624512A/en not_active Expired - Lifetime
1970
- 1970-05-19 CA CA083078A patent/CA929658A/en not_active Expired
- 1970-05-28 GB GB25764/70A patent/GB1300636A/en not_active Expired
- 1970-06-01 NL NL7007910A patent/NL7007910A/xx not_active Application Discontinuation
- 1970-06-01 DE DE19702026749 patent/DE2026749A1/de not_active Withdrawn
- 1970-06-01 FR FR7020044A patent/FR2049144B1/fr not_active Expired

Also Published As

Publication number	Publication date
GB1300636A (en)	1972-12-20
FR2049144B1 (xx)	1974-10-31
US3624512A (en)	1971-11-30
DE2026749A1 (de)	1970-12-10
CA929658A (en)	1973-07-03
FR2049144A1 (xx)	1971-03-26

Publication	Publication Date	Title
AU465413B2 (xx)	1975-09-11
AU450150B2 (xx)	1970-11-12
CS151559B2 (xx)	1973-10-19
FR2049144B1 (xx)	1974-10-31
AU442375B2 (xx)	1973-11-06
AU470301B1 (xx)	1972-05-25
AU5113869A (xx)	1971-04-29
AU442357B2 (xx)	1973-11-07
AU442322B2 (xx)	1973-11-02
AU470661B1 (xx)	1970-10-05
AU442380B2 (xx)	1973-11-05
AU442463B2 (xx)	1973-11-09
AU442535B2 (xx)	1973-11-12
AU442538B2 (xx)	1973-11-12
AU442554B2 (xx)	1973-11-13
AU442285B2 (xx)	1973-11-02
AU425297B2 (xx)	1972-03-26
AU438128B2 (xx)	1973-07-16
CS150491B1 (xx)	1973-09-04
AU5109569A (xx)	1970-08-27
AU5077469A (xx)	1970-08-27
AU4540468A (xx)	1971-04-01
CS148388B1 (xx)	1973-02-22
CH564028A5 (xx)	1975-07-15
AU480213A (xx)	1971-04-22

Legal Events

Date	Code	Title	Description
1981-02-25	BV	The patent application has lapsed