NL7203266A - - Google Patents
Info
- Publication number
- NL7203266A NL7203266A NL7203266A NL7203266A NL7203266A NL 7203266 A NL7203266 A NL 7203266A NL 7203266 A NL7203266 A NL 7203266A NL 7203266 A NL7203266 A NL 7203266A NL 7203266 A NL7203266 A NL 7203266A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/045—Filters applied to frequency transposition
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
- H03H9/52—Electric coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712112041 DE2112041A1 (de) | 1971-03-12 | 1971-03-12 | Schaltungsanordnung zur Frequenzumsetzung elektrischer Nachrichtensignale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7203266A true NL7203266A (xx) | 1972-09-14 |
| NL150638B NL150638B (nl) | 1976-08-16 |
Family
ID=5801402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL727203266A NL150638B (nl) | 1971-03-12 | 1972-03-10 | Schakeling voor het in frequentie omzetten van elektrische communicatiesignalen. |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT310816B (xx) |
| AU (1) | AU463059B2 (xx) |
| BE (1) | BE780534A (xx) |
| DE (1) | DE2112041A1 (xx) |
| FR (1) | FR2128816B1 (xx) |
| GB (1) | GB1334650A (xx) |
| IL (1) | IL38922A (xx) |
| IT (1) | IT949935B (xx) |
| NL (1) | NL150638B (xx) |
| YU (1) | YU34949B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2453122A1 (de) * | 1974-11-08 | 1976-05-20 | Siemens Ag | Filter fuer elektrische schwingungen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE868933C (de) * | 1943-10-07 | 1953-03-02 | Aeg | Modulationseinrichtung mit nach- bzw. vorgeschaltetem Filter zur Unterdrueckung eines Seitenbandes |
| CH491545A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanisches Filter |
-
1971
- 1971-03-12 DE DE19712112041 patent/DE2112041A1/de not_active Ceased
-
1972
- 1972-03-07 IL IL38922A patent/IL38922A/xx unknown
- 1972-03-07 AT AT187972A patent/AT310816B/de not_active IP Right Cessation
- 1972-03-07 IT IT21499/72A patent/IT949935B/it active
- 1972-03-10 YU YU633/72A patent/YU34949B/xx unknown
- 1972-03-10 NL NL727203266A patent/NL150638B/xx not_active IP Right Cessation
- 1972-03-10 FR FR7208405A patent/FR2128816B1/fr not_active Expired
- 1972-03-10 BE BE780534A patent/BE780534A/xx unknown
- 1972-03-13 AU AU39956/72A patent/AU463059B2/en not_active Expired
- 1972-03-13 GB GB1155672A patent/GB1334650A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| YU63372A (en) | 1979-10-31 |
| FR2128816B1 (xx) | 1976-06-11 |
| GB1334650A (en) | 1973-10-24 |
| NL150638B (nl) | 1976-08-16 |
| FR2128816A1 (xx) | 1972-10-20 |
| DE2112041B2 (xx) | 1974-12-19 |
| DE2112041A1 (de) | 1972-09-28 |
| AU3995672A (en) | 1973-09-20 |
| YU34949B (en) | 1980-04-30 |
| AU463059B2 (en) | 1975-06-21 |
| AT310816B (de) | 1973-10-25 |
| BE780534A (fr) | 1972-09-11 |
| IL38922A (en) | 1975-10-15 |
| IL38922A0 (en) | 1972-05-30 |
| IT949935B (it) | 1973-06-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: SIEMENS |