NL161944C - Afsteminrichting. - Google Patents

Afsteminrichting.

Info

Publication number
NL161944C
NL161944C NL7212427.A NL7212427A NL161944C NL 161944 C NL161944 C NL 161944C NL 7212427 A NL7212427 A NL 7212427A NL 161944 C NL161944 C NL 161944C
Authority
NL
Netherlands
Prior art keywords
tuning
Prior art date
Application number
NL7212427.A
Other languages
English (en)
Dutch (nl)
Other versions
NL7212427A (xx
NL161944B (nl
Original Assignee
Matsushita Electric Ind Co 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.)
Filing date
Publication date
Priority claimed from JP7159971A external-priority patent/JPS53650B2/ja
Priority claimed from JP7159771A external-priority patent/JPS53649B2/ja
Priority claimed from JP46071598A external-priority patent/JPS4838013A/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL7212427A publication Critical patent/NL7212427A/xx
Publication of NL161944B publication Critical patent/NL161944B/xx
Application granted granted Critical
Publication of NL161944C publication Critical patent/NL161944C/xx

Links

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
NL7212427.A 1971-09-14 1972-09-13 Afsteminrichting. NL161944C (nl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7159971A JPS53650B2 (xx) 1971-09-14 1971-09-14
JP7159771A JPS53649B2 (xx) 1971-09-14 1971-09-14
JP46071598A JPS4838013A (xx) 1971-09-14 1971-09-14

Publications (3)

Publication Number Publication Date
NL7212427A NL7212427A (xx) 1973-03-16
NL161944B NL161944B (nl) 1979-10-15
NL161944C true NL161944C (nl) 1980-03-17

Family

ID=27300703

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212427.A NL161944C (nl) 1971-09-14 1972-09-13 Afsteminrichting.

Country Status (7)

Country Link
US (1) US3753172A (xx)
AU (1) AU451583B2 (xx)
CA (1) CA961559A (xx)
DE (1) DE2244971C3 (xx)
FR (1) FR2153987A5 (xx)
GB (1) GB1400583A (xx)
NL (1) NL161944C (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980968A (en) * 1975-01-02 1976-09-14 Zenith Radio Corporation Non-proportionate AFC system
NL174205C (nl) * 1975-03-20 1984-05-01 Matsushita Electric Ind Co Ltd Elektronische kanalenkiezer.
US4061981A (en) * 1976-08-18 1977-12-06 General Motors Corporation Voltage variable capacitor tuned radio receiver having delayed automatic frequency control at turn-on
US4081771A (en) * 1976-12-06 1978-03-28 Zenith Radio Corporation 82 Detent manual varactor tuning system
JPS5680921A (en) * 1979-12-06 1981-07-02 Hitachi Ltd Automatic tuning circuit
US4638180A (en) * 1984-03-09 1987-01-20 Matsushita Electric Industrial Co., Ltd. Frequency divider circuits
JPH0666643B2 (ja) * 1984-08-16 1994-08-24 松下電器産業株式会社 高周波信号受信用可変容量同調回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631349A (en) * 1970-03-09 1971-12-28 Sylvania Electric Prod Automatic signal-seeking circuitry
US3706041A (en) * 1970-10-20 1972-12-12 Emerson Electric Co Automatic tuning circuit
US3634700A (en) * 1970-12-29 1972-01-11 Gen Electric Bidirectional frequency scan system

Also Published As

Publication number Publication date
DE2244971C3 (de) 1980-04-03
AU451583B2 (en) 1974-08-15
DE2244971B2 (de) 1979-08-02
CA961559A (en) 1975-01-21
NL7212427A (xx) 1973-03-16
DE2244971A1 (de) 1973-04-05
FR2153987A5 (xx) 1973-05-04
NL161944B (nl) 1979-10-15
AU4655872A (en) 1974-03-21
GB1400583A (en) 1975-07-16
US3753172A (en) 1973-08-14

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Legal Events

Date Code Title Description
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: MATSUS ELEC

V4 Discontinued because of reaching the maximum lifetime of a patent