GB1229366A - - Google Patents
Info
- Publication number
- GB1229366A GB1229366A GB1229366DA GB1229366A GB 1229366 A GB1229366 A GB 1229366A GB 1229366D A GB1229366D A GB 1229366DA GB 1229366 A GB1229366 A GB 1229366A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- signals
- diode
- base
- frequency
- Prior art date
- 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
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
Classifications
-
- 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
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681814523 DE1814523A1 (de) | 1968-12-13 | 1968-12-13 | Kanalwaehler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1229366A true GB1229366A (enrdf_load_stackoverflow) | 1971-04-21 |
Family
ID=5716158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1229366D Expired GB1229366A (enrdf_load_stackoverflow) | 1968-12-13 | 1969-12-10 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT291366B (enrdf_load_stackoverflow) |
| BE (1) | BE743008A (enrdf_load_stackoverflow) |
| DE (1) | DE1814523A1 (enrdf_load_stackoverflow) |
| ES (1) | ES374446A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2026072A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1229366A (enrdf_load_stackoverflow) |
| NL (1) | NL6918360A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3004205C2 (de) * | 1980-02-06 | 1982-06-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Mischerschaltung für einen UHF/VHF-Tuner mit einem Dual-Gate-Mos-Feldeffekttransitor |
| DE3721092C2 (de) * | 1986-08-20 | 1998-02-19 | Ulrich Kreusel | Rohrverbindungssystem |
| DE4020302A1 (de) * | 1990-06-26 | 1992-01-02 | Siemens Ag | Sicherheitskupplung zum verbinden von gestaengeteilen, insbesondere von rohrgestaengeteilen zu rohrgestaengen |
-
1968
- 1968-12-13 DE DE19681814523 patent/DE1814523A1/de active Pending
-
1969
- 1969-12-06 NL NL6918360A patent/NL6918360A/xx unknown
- 1969-12-10 AT AT1148469A patent/AT291366B/de not_active IP Right Cessation
- 1969-12-10 GB GB1229366D patent/GB1229366A/en not_active Expired
- 1969-12-11 BE BE743008D patent/BE743008A/xx unknown
- 1969-12-11 FR FR6942899A patent/FR2026072A1/fr not_active Withdrawn
- 1969-12-11 ES ES374446A patent/ES374446A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2026072A1 (enrdf_load_stackoverflow) | 1970-09-11 |
| NL6918360A (enrdf_load_stackoverflow) | 1970-06-16 |
| ES374446A1 (es) | 1972-01-01 |
| DE1814523A1 (de) | 1970-07-16 |
| AT291366B (de) | 1971-07-12 |
| BE743008A (enrdf_load_stackoverflow) | 1970-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |