BR7505391A - Sistema sintonizador - Google Patents
Sistema sintonizadorInfo
- Publication number
- BR7505391A BR7505391A BR7505391*A BR7505391A BR7505391A BR 7505391 A BR7505391 A BR 7505391A BR 7505391 A BR7505391 A BR 7505391A BR 7505391 A BR7505391 A BR 7505391A
- Authority
- BR
- Brazil
- Prior art keywords
- tuning system
- tuning
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
- G05G9/08—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlled members being actuated successively by progressive movement of the controlling member
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/02—Indicating arrangements
- H03J1/04—Indicating arrangements with optical indicating means
- H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/08—Toothed-gear drive; Worm drive
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/14—Special arrangements for fine and coarse tuning
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transmission Devices (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/500,450 US3972240A (en) | 1974-08-26 | 1974-08-26 | Detent UHF tuner with preset memory |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7505391A true BR7505391A (pt) | 1976-08-03 |
Family
ID=23989468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7505391*A BR7505391A (pt) | 1974-08-26 | 1975-08-22 | Sistema sintonizador |
Country Status (4)
Country | Link |
---|---|
US (2) | US3972240A (pt) |
JP (1) | JPS5179501A (pt) |
BR (1) | BR7505391A (pt) |
CA (1) | CA1053813A (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4126051A (en) * | 1975-07-23 | 1978-11-21 | Matsushita Electric Industrial Co., Ltd. | Channel selector |
US4048949A (en) * | 1976-11-15 | 1977-09-20 | Matsushita Electric Company Of America | Planetary turret indicator |
US4200850A (en) * | 1977-03-11 | 1980-04-29 | Sarkes Tarzian, Inc. | Combination VHF and UHF tuner arrangement |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3248953A (en) * | 1963-07-05 | 1966-05-03 | Molon Motor & Coil Corp | Tuner mechanism |
US3307414A (en) * | 1965-01-14 | 1967-03-07 | Oak Electro Netics Corp | Uhf tuner |
US3415128A (en) * | 1966-10-31 | 1968-12-10 | Gen Instrument Corp | Pre-set tuner with engagement-locking means |
US3415127A (en) * | 1967-03-20 | 1968-12-10 | Gen Instrument Corp | Turret tuner for uhf television and other purposes |
US3697904A (en) * | 1969-09-20 | 1972-10-10 | Matsushita Electric Ind Co Ltd | Uhf tuner |
US3706232A (en) * | 1971-07-02 | 1972-12-19 | Gen Instrument Corp | Preset tuner with improved tuning linkage |
US3689853A (en) * | 1971-08-17 | 1972-09-05 | Sarkes Tarzian | Six position memory type uhf tuner |
US3777576A (en) * | 1973-01-23 | 1973-12-11 | Gen Instrument Corp | Compact tv tuner |
US3990315A (en) * | 1974-08-21 | 1976-11-09 | Sarkes Tarzian, Inc. | Detent UHF tuner with preset memory |
US3973229A (en) * | 1975-01-02 | 1976-08-03 | Sarkes Tarzian, Inc. | Combined 82-position UHF and VHF television tuner with memory fine tuning |
-
1974
- 1974-08-26 US US05/500,450 patent/US3972240A/en not_active Expired - Lifetime
-
1975
- 1975-08-22 BR BR7505391*A patent/BR7505391A/pt unknown
- 1975-08-22 CA CA233,966A patent/CA1053813A/en not_active Expired
- 1975-08-26 JP JP50103360A patent/JPS5179501A/ja active Pending
-
1976
- 1976-04-21 US US05/678,975 patent/US4114459A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1053813A (en) | 1979-05-01 |
US3972240A (en) | 1976-08-03 |
US4114459A (en) | 1978-09-19 |
JPS5179501A (pt) | 1976-07-10 |
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