SE8001393L - Manuell kanalvalsanordning - Google Patents

Manuell kanalvalsanordning

Info

Publication number: SE8001393L
Authority: SE; Sweden
Prior art keywords: channel selection; pct; manual channel; sec; selection device
Prior art date: 1978-01-24

Application number

SE8001393A

Other languages

English (en)

Other versions

SE423012B (sv

Inventor

T Ito

Original Assignee

Fujitsu Ten Ltd

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.)

1978-01-24

Filing date

1980-02-22

Publication date

1980-02-22

1980-02-22 Application filed by Fujitsu Ten Ltd filed Critical Fujitsu Ten Ltd

1980-02-22 Publication of SE8001393L publication Critical patent/SE8001393L/sv

1982-04-05 Publication of SE423012B publication Critical patent/SE423012B/sv

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
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
- H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
- 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
- H03J7/06—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 counters or frequency dividers

Landscapes

Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Microelectronics & Electronic Packaging (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)

SE8001393A 1978-01-24 1980-02-22 Manuell kanalvalsanordning SE423012B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1978007189U JPS54111403U (sv)	1978-01-24	1978-01-24

Publications (2)

Publication Number	Publication Date
SE8001393L true SE8001393L (sv)	1980-02-22
SE423012B SE423012B (sv)	1982-04-05

Family

ID=11659089

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8001393A SE423012B (sv)	1978-01-24	1980-02-22	Manuell kanalvalsanordning

Country Status (11)

Country	Link
US (1)	US4348770A (sv)
EP (1)	EP0007914A4 (sv)
JP (1)	JPS54111403U (sv)
AU (1)	AU510591B2 (sv)
CA (1)	CA1142661A (sv)
CH (1)	CH647625A5 (sv)
DE (1)	DE2933192A1 (sv)
GB (1)	GB2035874B (sv)
NL (1)	NL7900515A (sv)
SE (1)	SE423012B (sv)
WO (1)	WO1979000544A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3730008C2 (de) *	1987-09-08	1996-12-12	Blohm Voss Ag	Wasserfahrzeug mit mindestens einer Leitflosse weit vor einem Heckpropeller
US4906950A (en) *	1987-08-31	1990-03-06	Aeroquip Corporation	Time-frequency multiplexing system for correcting output amplitude of a tuned circuit due to impedance drift
JPH0250606A (ja) *	1988-08-12	1990-02-20	Nec Corp	周波数シンセサイザ
US20060286949A1 (en) *	2005-06-21	2006-12-21	Kazuyoshi Imazeki	Frequency sweeping receiver

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3201696A (en) *	1962-05-29	1965-08-17	Itt	Radio receivers
US3467870A (en) *	1965-02-16	1969-09-16	Trio Corp	Automatic frequency sweep apparatus
US3821650A (en) *	1973-01-26	1974-06-28	Motorola Inc	Phase lock loop electronic tuning system
NL7313625A (sv) *	1973-10-04	1973-12-27
DE2558416C2 (de) *	1974-12-24	1985-05-23	Fujitsu Ten Ltd., Kobe, Hyogo	Rundfunkempfänger
JPS5831053B2 (ja) *	1975-06-09	1983-07-04	三洋電機株式会社	シンセサイザ受信機
US4081752A (en) *	1975-05-30	1978-03-28	Sanyo Electric Co., Ltd.	Digital frequency synthesizer receiver
JPS51147106A (en) *	1975-06-11	1976-12-17	Sanyo Electric Co Ltd	Auto-tuning receiver
JPS5518119A (en) *	1978-07-26	1980-02-08	Hitachi Ltd	Automatic tuning circuit

1978
- 1978-01-24 JP JP1978007189U patent/JPS54111403U/ja active Pending
1979
- 1979-01-23 CA CA000320137A patent/CA1142661A/en not_active Expired
- 1979-01-23 NL NL7900515A patent/NL7900515A/xx not_active Application Discontinuation
- 1979-01-23 CH CH8605/79A patent/CH647625A5/de not_active IP Right Cessation
- 1979-01-23 DE DE792933192A patent/DE2933192A1/de not_active Ceased
- 1979-01-23 WO PCT/JP1979/000015 patent/WO1979000544A1/ja not_active Ceased
- 1979-01-23 US US06/217,321 patent/US4348770A/en not_active Expired - Lifetime
- 1979-01-23 GB GB8004176A patent/GB2035874B/en not_active Expired
- 1979-01-23 AU AU43575/79A patent/AU510591B2/en not_active Expired
- 1979-08-13 EP EP19790900106 patent/EP0007914A4/en not_active Withdrawn
1980
- 1980-02-22 SE SE8001393A patent/SE423012B/sv not_active IP Right Cessation

Also Published As

Publication number	Publication date
WO1979000544A1 (fr)	1979-08-09
DE2933192A1 (en)	1980-12-04
SE423012B (sv)	1982-04-05
GB2035874B (en)	1982-12-01
JPS54111403U (sv)	1979-08-06
EP0007914A1 (en)	1980-02-06
AU510591B2 (en)	1980-07-03
AU4357579A (en)	1979-08-02
US4348770A (en)	1982-09-07
GB2035874A (en)	1980-06-25
NL7900515A (nl)	1979-07-26
EP0007914A4 (en)	1980-06-10
CA1142661A (en)	1983-03-08
CH647625A5 (de)	1985-01-31

Publication	Publication Date	Title
GB2293280A (en)	1996-03-20	A balun apparatus and method of designing same
SE8103303L (sv)	1981-11-30	Rundradiomottagare med automatisk avstemning
SE8104606L (sv)	1982-02-05	Radiomottagare
SE8001393L (sv)	1980-02-22	Manuell kanalvalsanordning
DK157279C (da)	1990-05-07	Afstemningsenhed til apparater inden for kommunikationsteknikken
JPS5212512A (en)	1977-01-31	Afc circuit for fm receiver
JPS5362916A (en)	1978-06-05	Am tuner circuit
JPS5495101A (en)	1979-07-27	Tuner
JPS57166744A (en)	1982-10-14	Am electronic tuner circuit
SE8104323L (sv)	1982-01-15	Radiomottagare
JPS536506A (en)	1978-01-21	Input circuit for electronic tuner
JPS5664505A (en)	1981-06-01	Phase modulator
JPS535501A (en)	1978-01-19	Tuning device for electronic tuner
JPS526401A (en)	1977-01-18	Electronic tuner
GB2015281B (en)	1982-05-19	Impedance matched tuning device having image frequency trapping circuit
JPS51139213A (en)	1976-12-01	Bilateral catv system
JPS5312212A (en)	1978-02-03	Mixer circuit
JPS5413205A (en)	1979-01-31	Automatic channel tuner
JPS5363894A (en)	1978-06-07	Microwave apparatus
JPS57201378A (en)	1982-12-09	Video synchronization detecting device and phase correcting device
JPS5652927A (en)	1981-05-12	Electronic channel selecting device
JPS5650618A (en)	1981-05-07	Channel selection device
JPS53111203A (en)	1978-09-28	Automatic correcting circuit for frequency tuning
JPS5240373A (en)	1977-03-29	Radio wave wristwatch and auxiliary device for correction
JPS5542455A (en)	1980-03-25	Fm receiver

Legal Events

Date	Code	Title	Description
1995-01-31	NAL	Patent in force	Ref document number: 8001393-1 Format of ref document f/p: F
1999-03-29	NUG	Patent has lapsed	Ref document number: 8001393-1 Format of ref document f/p: F

Date

Code

Title

Description

1995-01-31

NAL

Patent in force

Ref document number: 8001393-1

Format of ref document f/p: F

1999-03-29

NUG

Patent has lapsed