FR2280252B1 - - Google Patents
Info
- Publication number
- FR2280252B1 FR2280252B1 FR7521099A FR7521099A FR2280252B1 FR 2280252 B1 FR2280252 B1 FR 2280252B1 FR 7521099 A FR7521099 A FR 7521099A FR 7521099 A FR7521099 A FR 7521099A FR 2280252 B1 FR2280252 B1 FR 2280252B1
- 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
- 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
-
- 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
- H03J5/0254—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 the digital values being transfered to a D/A converter
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
- H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
- Electronic Switches (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7755074A JPS517461A (ja) | 1974-07-05 | 1974-07-05 | Denatsuhatsuseisochi |
| JP13214574A JPS5157280A (en) | 1974-11-15 | 1974-11-15 | dda henkanki |
| JP13214474A JPS5157229A (ja) | 1974-11-15 | 1974-11-15 | Denatsuhatsuseisochi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2280252A1 FR2280252A1 (fr) | 1976-02-20 |
| FR2280252B1 true FR2280252B1 (US06294698-20010925-C00026.png) | 1981-01-02 |
Family
ID=27302451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7521099A Granted FR2280252A1 (fr) | 1974-07-05 | 1975-07-04 | Dispositif generateur de tensions |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH625446A5 (US06294698-20010925-C00026.png) * | 1977-03-18 | 1981-09-30 | Agie Ag Ind Elektronik | |
| US4317227A (en) * | 1980-06-09 | 1982-02-23 | Zenith Radio Corporation | Multi-mode automatic channel frequency synthesis system |
| US4338531A (en) * | 1980-09-15 | 1982-07-06 | Corporate Equipment Company | Slide wire device simulator circuit and method |
| US4516170A (en) * | 1982-04-12 | 1985-05-07 | Zenith Electronics Corporation | Dual mode UHF tuning system |
| EP0539832B1 (en) * | 1991-11-01 | 1998-04-08 | Hewlett-Packard Company | CMOS pseudo-NMOS programmable capacitance time vernier system and method for controlled delay of timing edges |
| US5260643A (en) * | 1992-07-16 | 1993-11-09 | National Semiconductor Corporation | Programmable reference voltage generator |
| GB2313004A (en) * | 1996-05-07 | 1997-11-12 | Advanced Risc Mach Ltd | Digital to analogue converter |
| US6325481B1 (en) * | 1999-08-13 | 2001-12-04 | Hewlett-Packard Company | Method and apparatus for pen temperature control in a thermal printer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1065080B (de) * | 1954-04-07 | 1959-09-10 | Siemens Ag | Einrichtung zur verlust-und blindleistungsarmen Umformung von Spannungen |
| FR1312007A (fr) * | 1961-11-02 | 1962-12-14 | Redresseur stabilisé | |
| US3422423A (en) * | 1965-01-04 | 1969-01-14 | Sperry Rand Corp | Digital-to-analog converter |
| US3551777A (en) * | 1968-12-26 | 1970-12-29 | Amp Inc | Inverter-converter with regulation of ac and dc outputs |
| DE2107714C3 (de) * | 1971-02-18 | 1981-08-06 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Schaltung zum Umschalten der Resonanzfrequenzen elektrischer Schwingkreise |
| BE791943A (fr) * | 1972-02-18 | 1973-03-16 | Telecomunicazioni Soc It | Regulateur de tension et/ou de courant |
| JPS5250642B2 (US06294698-20010925-C00026.png) * | 1973-03-28 | 1977-12-26 |
-
1975
- 1975-06-26 NL NL7507599.A patent/NL165896C/xx not_active IP Right Cessation
- 1975-07-03 US US05/592,992 patent/US4015192A/en not_active Expired - Lifetime
- 1975-07-04 CA CA230,803A patent/CA1052920A/en not_active Expired
- 1975-07-04 DE DE2530033A patent/DE2530033C2/de not_active Expired
- 1975-07-04 GB GB28291/75A patent/GB1512999A/en not_active Expired
- 1975-07-04 FR FR7521099A patent/FR2280252A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7507599A (nl) | 1976-01-07 |
| DE2530033C2 (de) | 1982-09-30 |
| US4015192A (en) | 1977-03-29 |
| CA1052920A (en) | 1979-04-17 |
| AU8275275A (en) | 1977-01-06 |
| NL165896C (nl) | 1981-05-15 |
| FR2280252A1 (fr) | 1976-02-20 |
| GB1512999A (en) | 1978-06-01 |
| DE2530033A1 (de) | 1976-01-29 |
| NL165896B (nl) | 1980-12-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |