FR2127015B1 - - Google Patents
Info
- Publication number
- FR2127015B1 FR2127015B1 FR7204269A FR7204269A FR2127015B1 FR 2127015 B1 FR2127015 B1 FR 2127015B1 FR 7204269 A FR7204269 A FR 7204269A FR 7204269 A FR7204269 A FR 7204269A FR 2127015 B1 FR2127015 B1 FR 2127015B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP574271A JPS5132321B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1971-02-09 | |
| JP574571A JPS5132323B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1971-02-09 | |
| JP573871 | 1971-02-09 | ||
| JP574171A JPS5145401B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1971-02-09 | |
| JP574071 | 1971-02-09 | ||
| JP573971 | 1971-02-09 | ||
| JP575371A JPS5145402B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1971-02-09 | |
| JP574371A JPS5132322B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1971-02-09 | |
| JP1143071A JPS5211521B1 (US06174465-20010116-C00003.png) | 1971-03-03 | 1971-03-03 | |
| JP1143271A JPS5211522B1 (US06174465-20010116-C00003.png) | 1971-03-03 | 1971-03-03 | |
| JP1143171A JPS5215921B1 (US06174465-20010116-C00003.png) | 1971-03-03 | 1971-03-03 | |
| JP1190271A JPS5211525B1 (US06174465-20010116-C00003.png) | 1971-03-05 | 1971-03-05 | |
| JP1190071A JPS5211523B1 (US06174465-20010116-C00003.png) | 1971-03-05 | 1971-03-05 | |
| JP1190171A JPS5211524B1 (US06174465-20010116-C00003.png) | 1971-03-05 | 1971-03-05 | |
| JP4614171 | 1971-06-25 | ||
| JP4614371 | 1971-06-25 | ||
| JP4614071A JPS5215922B1 (US06174465-20010116-C00003.png) | 1971-06-25 | 1971-06-25 | |
| JP4614271 | 1971-06-25 | ||
| JP630272A JPS5225045B2 (US06174465-20010116-C00003.png) | 1972-01-13 | 1972-01-13 | |
| JP630072A JPS5247653B2 (US06174465-20010116-C00003.png) | 1972-01-13 | 1972-01-13 | |
| JP630172A JPS5225044B2 (US06174465-20010116-C00003.png) | 1972-01-13 | 1972-01-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2127015A1 FR2127015A1 (US06174465-20010116-C00003.png) | 1972-09-22 |
| FR2127015B1 true FR2127015B1 (US06174465-20010116-C00003.png) | 1978-03-10 |
Family
ID=27586489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7204269A Expired FR2127015B1 (US06174465-20010116-C00003.png) | 1971-02-09 | 1972-02-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3798553A (US06174465-20010116-C00003.png) |
| DE (1) | DE2206154C3 (US06174465-20010116-C00003.png) |
| FR (1) | FR2127015B1 (US06174465-20010116-C00003.png) |
| GB (1) | GB1389071A (US06174465-20010116-C00003.png) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978411A (en) * | 1973-11-30 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Sweep output generator having a frequency modulated local oscillator for the station selector of a television receiver |
| FR2256582B1 (US06174465-20010116-C00003.png) * | 1973-12-27 | 1976-11-19 | Trt Telecom Radio Electr | |
| US4004233A (en) * | 1974-03-22 | 1977-01-18 | Matsushita Electric Industrial Co., Ltd. | Search type tuning device |
| US3961263A (en) * | 1974-06-03 | 1976-06-01 | Rca Corporation | Bandstart detector system for a television tuning system |
| US3924192A (en) * | 1974-06-03 | 1975-12-02 | Rca Corp | Multiband random channel address crystal-lock tuning system |
| JPS5345252B2 (US06174465-20010116-C00003.png) * | 1974-12-17 | 1978-12-05 | ||
| US4310809A (en) * | 1979-04-27 | 1982-01-12 | Westinghouse Electric Corp. | Low noise microstrip voltage controlled oscillator |
| JPS5912043B2 (ja) * | 1979-07-14 | 1984-03-21 | 株式会社日立製作所 | 選局装置 |
| DE4125592C2 (de) * | 1991-08-02 | 1994-12-08 | Bruker Analytische Messtechnik | Verfahren und Vorrichtung zum Abstimmen einer Mikrowellen-Quelle |
| JP3461484B2 (ja) * | 2000-04-05 | 2003-10-27 | 埼玉日本電気株式会社 | 無線通信装置及びその無線周波数補正方式 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2661419A (en) * | 1949-04-18 | 1953-12-01 | Marcel Wallace | Wide band spectrum analyzer |
| US2994766A (en) * | 1958-01-27 | 1961-08-01 | Hoffman Electronics Corp | Panoramic receivers or the like |
| US3611152A (en) * | 1967-07-25 | 1971-10-05 | Matsushita Electric Ind Co Ltd | Stabilized automatic tuning receiver |
| DE1298157B (de) * | 1968-01-20 | 1969-06-26 | Itt Industriesgmbh Deutsche | Schaltung zur automatischen Sendersuche |
| US3665318A (en) * | 1970-03-18 | 1972-05-23 | Regency Electronics | Radio receiver |
-
1972
- 1972-02-08 US US00224454A patent/US3798553A/en not_active Expired - Lifetime
- 1972-02-08 GB GB570672A patent/GB1389071A/en not_active Expired
- 1972-02-09 DE DE2206154A patent/DE2206154C3/de not_active Expired
- 1972-02-09 FR FR7204269A patent/FR2127015B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1389071A (en) | 1975-04-03 |
| DE2206154A1 (de) | 1972-10-05 |
| DE2206154C3 (de) | 1982-03-11 |
| US3798553A (en) | 1974-03-19 |
| DE2206154B2 (de) | 1981-06-11 |
| FR2127015A1 (US06174465-20010116-C00003.png) | 1972-09-22 |
