NL7203588A - - Google Patents
Info
- Publication number
- NL7203588A NL7203588A NL7203588A NL7203588A NL7203588A NL 7203588 A NL7203588 A NL 7203588A NL 7203588 A NL7203588 A NL 7203588A NL 7203588 A NL7203588 A NL 7203588A NL 7203588 A NL7203588 A NL 7203588A
- Authority
- NL
- Netherlands
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
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12569971A | 1971-03-18 | 1971-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7203588A true NL7203588A (de) | 1972-09-20 |
Family
ID=22420984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203588A NL7203588A (de) | 1971-03-18 | 1972-03-17 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE780900A (de) |
| BR (1) | BR7201580D0 (de) |
| DE (1) | DE2212796A1 (de) |
| FR (1) | FR2130425A1 (de) |
| IT (1) | IT957575B (de) |
| NL (1) | NL7203588A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8800375A (nl) * | 1988-02-16 | 1989-09-18 | Joseph Theodorus Van Der Klei | Frekwentie-convertor en communicatie-inrichting voorzien van dergelijke frekwentie-convertors. |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2713318C2 (de) * | 1977-03-25 | 1981-09-10 | Siemens AG, 1000 Berlin und 8000 München | Frequenzumsetzer für den Rundfunk- und Fernsehbereich |
| FR2482388A1 (fr) * | 1980-05-08 | 1981-11-13 | Visiodis | Selecteur individuel de programmes de television |
| DE3433721A1 (de) * | 1984-09-14 | 1986-03-27 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Schaltungsanordnung zur umsetzung einer frequenz fuer fernsehempfaenger |
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1972
- 1972-03-16 DE DE19722212796 patent/DE2212796A1/de active Pending
- 1972-03-17 NL NL7203588A patent/NL7203588A/xx unknown
- 1972-03-17 BE BE780900A patent/BE780900A/xx unknown
- 1972-03-17 FR FR7209523A patent/FR2130425A1/fr not_active Withdrawn
- 1972-03-17 BR BR158072A patent/BR7201580D0/pt unknown
- 1972-03-17 IT IT4908272A patent/IT957575B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8800375A (nl) * | 1988-02-16 | 1989-09-18 | Joseph Theodorus Van Der Klei | Frekwentie-convertor en communicatie-inrichting voorzien van dergelijke frekwentie-convertors. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2212796A1 (de) | 1972-09-28 |
| FR2130425A1 (de) | 1972-11-03 |
| BR7201580D0 (pt) | 1973-05-29 |
| IT957575B (it) | 1973-10-20 |
| BE780900A (fr) | 1972-07-17 |