BR8307066A - Processo de sintonizar um circuito de radio-frequencia,circuito de radio-frequencia e sistema para ajustar a frequencia de operacao de um circuito de radio-frequencia - Google Patents
Processo de sintonizar um circuito de radio-frequencia,circuito de radio-frequencia e sistema para ajustar a frequencia de operacao de um circuito de radio-frequenciaInfo
- Publication number
- BR8307066A BR8307066A BR8307066A BR8307066A BR8307066A BR 8307066 A BR8307066 A BR 8307066A BR 8307066 A BR8307066 A BR 8307066A BR 8307066 A BR8307066 A BR 8307066A BR 8307066 A BR8307066 A BR 8307066A
- Authority
- BR
- Brazil
- Prior art keywords
- radio frequency
- frequency circuit
- tuning
- adjust
- circuit
- 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
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/466,428 US4511869A (en) | 1983-02-15 | 1983-02-15 | Radio circuit tuned by adjustably deforming an inductance coil |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8307066A true BR8307066A (pt) | 1984-11-13 |
Family
ID=23851716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8307066A BR8307066A (pt) | 1983-02-15 | 1983-12-22 | Processo de sintonizar um circuito de radio-frequencia,circuito de radio-frequencia e sistema para ajustar a frequencia de operacao de um circuito de radio-frequencia |
Country Status (7)
Country | Link |
---|---|
US (1) | US4511869A (pt) |
JP (1) | JPS59158120A (pt) |
BR (1) | BR8307066A (pt) |
CA (1) | CA1235238A (pt) |
DE (1) | DE3402482A1 (pt) |
FR (1) | FR2542146A1 (pt) |
GB (1) | GB2135147B (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03280612A (ja) * | 1990-03-29 | 1991-12-11 | Anritsu Corp | 周波数制御装置 |
US5559484A (en) * | 1991-05-14 | 1996-09-24 | Epic Technologies, Inc. | Data logging tire monitor with condition predictive capabilities and integrity checking |
US5285189A (en) * | 1991-05-14 | 1994-02-08 | Epic Technologies, Inc. | Abnormal tire condition warning system |
US10638558B2 (en) * | 2016-04-08 | 2020-04-28 | Illinois Tool Works, Inc. | Apparatus for simultaneously heating a plurality of food products |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2410222A (en) * | 1944-02-17 | 1946-10-29 | Rca Corp | Tuning means |
US2511580A (en) * | 1948-02-27 | 1950-06-13 | Rca Corp | Reciprocating motor system |
US2624042A (en) * | 1950-12-28 | 1952-12-30 | Zenith Radio Corp | Variable inductance coil |
US2877351A (en) * | 1954-07-12 | 1959-03-10 | Motorola Inc | Tuning mechanism |
US2857519A (en) * | 1956-08-02 | 1958-10-21 | Gen Motors Corp | Miniature combination tuning means |
GB1007896A (en) * | 1961-03-01 | 1965-10-22 | Pye Ltd | Tunable aerials |
US3590385A (en) * | 1969-07-25 | 1971-06-29 | Avco Corp | Semi-automatic tuning circuit for an antenna coupler |
FR2149271B1 (pt) * | 1971-08-13 | 1975-07-11 | Radiotechnique Compelec | |
JPS535009B2 (pt) * | 1972-07-25 | 1978-02-23 | ||
US4067235A (en) * | 1974-11-27 | 1978-01-10 | Consolidated Freightways, Inc. | Method and apparatus for measuring air pressure in pneumatic tires |
US4234960A (en) * | 1978-07-03 | 1980-11-18 | Ashton James Spilsbury | Antenna automatic tuning apparatus |
US4272743A (en) * | 1979-04-20 | 1981-06-09 | Rca Corporation | Method for tuning a filter circuit |
JPS55165612A (en) * | 1979-06-11 | 1980-12-24 | Hitachi Ltd | Structure of resonating coil |
JPS6053963B2 (ja) * | 1979-09-07 | 1985-11-28 | 電気興業株式会社 | 長波空中線用自動同調装置 |
US4325040A (en) * | 1980-11-26 | 1982-04-13 | Rca Corporation | Apparatus for automatic adjustment of an inductor in a tuned circuit |
-
1983
- 1983-02-15 US US06/466,428 patent/US4511869A/en not_active Expired - Fee Related
- 1983-11-08 CA CA000440630A patent/CA1235238A/en not_active Expired
- 1983-11-17 GB GB08330739A patent/GB2135147B/en not_active Expired
- 1983-12-22 BR BR8307066A patent/BR8307066A/pt not_active IP Right Cessation
-
1984
- 1984-01-25 DE DE3402482A patent/DE3402482A1/de not_active Withdrawn
- 1984-02-15 JP JP59025301A patent/JPS59158120A/ja active Pending
- 1984-02-15 FR FR8402299A patent/FR2542146A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1235238A (en) | 1988-04-12 |
FR2542146A1 (fr) | 1984-09-07 |
GB8330739D0 (en) | 1983-12-29 |
JPS59158120A (ja) | 1984-09-07 |
GB2135147A (en) | 1984-08-22 |
DE3402482A1 (de) | 1984-08-23 |
GB2135147B (en) | 1986-11-12 |
US4511869A (en) | 1985-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |