NL161944B - Afsteminrichting. - Google Patents
Afsteminrichting.Info
- Publication number
- NL161944B NL161944B NL7212427.A NL7212427A NL161944B NL 161944 B NL161944 B NL 161944B NL 7212427 A NL7212427 A NL 7212427A NL 161944 B NL161944 B NL 161944B
- Authority
- NL
- Netherlands
- Prior art keywords
- tuning device
- tuning
- Prior art date
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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7159971A JPS53650B2 (nl) | 1971-09-14 | 1971-09-14 | |
JP7159771A JPS53649B2 (nl) | 1971-09-14 | 1971-09-14 | |
JP46071598A JPS4838013A (nl) | 1971-09-14 | 1971-09-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7212427A NL7212427A (nl) | 1973-03-16 |
NL161944B true NL161944B (nl) | 1979-10-15 |
NL161944C 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 (nl) |
AU (1) | AU451583B2 (nl) |
CA (1) | CA961559A (nl) |
DE (1) | DE2244971C3 (nl) |
FR (1) | FR2153987A5 (nl) |
GB (1) | GB1400583A (nl) |
NL (1) | NL161944C (nl) |
Families Citing this family (7)
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)
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 |
-
1972
- 1972-09-11 US US00287919A patent/US3753172A/en not_active Expired - Lifetime
- 1972-09-11 CA CA151,397A patent/CA961559A/en not_active Expired
- 1972-09-11 GB GB4215772A patent/GB1400583A/en not_active Expired
- 1972-09-12 AU AU46558/72A patent/AU451583B2/en not_active Expired
- 1972-09-13 FR FR7232401A patent/FR2153987A5/fr not_active Expired
- 1972-09-13 NL NL7212427.A patent/NL161944C/nl not_active IP Right Cessation
- 1972-09-13 DE DE2244971A patent/DE2244971C3/de not_active Expired
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 (nl) | 1973-03-16 |
DE2244971A1 (de) | 1973-04-05 |
FR2153987A5 (nl) | 1973-05-04 |
NL161944C (nl) | 1980-03-17 |
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 |