BR7204968D0 - Receptor de radio aperfeicoado para automoveis - Google Patents
Receptor de radio aperfeicoado para automoveisInfo
- Publication number
- BR7204968D0 BR7204968D0 BR4968/72A BR496872A BR7204968D0 BR 7204968 D0 BR7204968 D0 BR 7204968D0 BR 4968/72 A BR4968/72 A BR 4968/72A BR 496872 A BR496872 A BR 496872A BR 7204968 D0 BR7204968 D0 BR 7204968D0
- Authority
- BR
- Brazil
- Prior art keywords
- perfected
- automobiles
- radio receiver
- receiver
- radio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16651671A | 1971-07-27 | 1971-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7204968D0 true BR7204968D0 (pt) | 1973-05-10 |
Family
ID=22603646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4968/72A BR7204968D0 (pt) | 1971-07-27 | 1972-07-25 | Receptor de radio aperfeicoado para automoveis |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3761823A (enExample) |
| JP (1) | JPS5512775B1 (enExample) |
| AR (1) | AR193882A1 (enExample) |
| BR (1) | BR7204968D0 (enExample) |
| CA (1) | CA954591A (enExample) |
| DE (1) | DE2236713A1 (enExample) |
| GB (1) | GB1373724A (enExample) |
| IT (1) | IT961719B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4063175A (en) * | 1976-08-05 | 1977-12-13 | Friedman Eliot I | Amplifier for receive mode operation |
| US4065723A (en) * | 1976-08-16 | 1977-12-27 | General Motors Corporation | Tuned radio frequency amplifier with back to back varactor diodes connected through a common cathode lead |
| FR2567325B1 (fr) * | 1984-07-03 | 1986-11-14 | Thomson Csf | Element a capacite variable, commandable par une tension continue |
| JPS61208524A (ja) * | 1985-03-13 | 1986-09-16 | Aisin Seiki Co Ltd | 電子機器の安全装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2324424A (en) * | 1939-10-28 | 1943-07-13 | Pollack Paul | Battery protection and indicating system |
| US2617019A (en) * | 1946-07-17 | 1952-11-04 | Hartford Nat Bank & Trust Co | Silencing network |
| US2678391A (en) * | 1952-07-02 | 1954-05-11 | Rca Corp | Protective circuit |
| US3189830A (en) * | 1961-05-08 | 1965-06-15 | Gen Motors Corp | Automatic frequency control with compensation for variable supply voltage |
| US3440544A (en) * | 1966-11-01 | 1969-04-22 | Motorola Inc | Manual,automatic,and semiautomatic tuning circuits utilizing voltage variable capacitance diodes |
| US3445746A (en) * | 1966-11-10 | 1969-05-20 | Camco Inc | Battery low voltage cutoff and regulator |
| US3588856A (en) * | 1968-07-17 | 1971-06-28 | Gen Electric | Failure warning system |
| US3521204A (en) * | 1969-01-03 | 1970-07-21 | Motorola Inc | Electronically tuned pushbutton radio having station selecting comparison means |
-
1971
- 1971-07-27 US US00166516A patent/US3761823A/en not_active Expired - Lifetime
-
1972
- 1972-05-30 CA CA143,417A patent/CA954591A/en not_active Expired
- 1972-07-05 AR AR242912A patent/AR193882A1/es active
- 1972-07-25 BR BR4968/72A patent/BR7204968D0/pt unknown
- 1972-07-26 IT IT51793/72A patent/IT961719B/it active
- 1972-07-26 DE DE2236713A patent/DE2236713A1/de active Pending
- 1972-07-27 JP JP7469072A patent/JPS5512775B1/ja active Pending
- 1972-07-27 GB GB3520972A patent/GB1373724A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3761823A (en) | 1973-09-25 |
| CA954591A (en) | 1974-09-10 |
| JPS5512775B1 (enExample) | 1980-04-04 |
| IT961719B (it) | 1973-12-10 |
| GB1373724A (en) | 1974-11-13 |
| DE2236713A1 (de) | 1973-02-15 |
| AR193882A1 (es) | 1973-05-31 |
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