BE382543A - - Google Patents
Info
- Publication number
- BE382543A BE382543A BE382543DA BE382543A BE 382543 A BE382543 A BE 382543A BE 382543D A BE382543D A BE 382543DA BE 382543 A BE382543 A BE 382543A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/14—Buffers absorbing shocks by mechanical friction action; Combinations of mechanical shock-absorbers and springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Transmitters (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE750716T | 1936-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE382543A true BE382543A (en:Method) | 1931-10-31 |
Family
ID=6544118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE382543D BE382543A (en:Method) | 1936-10-07 | 1931-09-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2195888A (en:Method) |
| BE (1) | BE382543A (en:Method) |
| DE (1) | DE750716C (en:Method) |
| FR (1) | FR827205A (en:Method) |
| GB (1) | GB490485A (en:Method) |
| NL (1) | NL47611C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE764713C (de) * | 1938-11-12 | 1953-06-08 | Aeg | Verfahren zur UEbertragung eines Anrufsignals zu einem bereits mit einem anderen Sender in Verbindung stehenden Empfaenger fuer frequenzmodulierte Schwingungen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE392979C (de) * | 1922-06-25 | 1924-03-31 | Erwin Kindler | Sende- und Empfaengerschaltung fuer Mehrfachtelegraphie und -telephonie auf einer Welle |
| FR699825A (fr) * | 1930-07-18 | 1931-02-20 | Dispositif permettant d'adapter un radio-récepteur à la réception d'ondes qu'il ne peut recevoir directement | |
| DE600193C (de) * | 1932-07-02 | 1935-09-28 | Telefunken Gmbh | Einrichtung zur Anzeige sowohl der Flugzielrichtung mittels Empfangs auf laengeren Wellen als auch der Landungsfeldstaerke mittels Empfangs von ultrakurzen Wellen |
| CH169877A (de) * | 1933-09-07 | 1934-06-15 | Komet Radio A G | Zusatzgerät für Radioempfänger zur Erweiterung des Wellenbereiches auf lange Wellen. |
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1931
- 1931-09-08 BE BE382543D patent/BE382543A/xx unknown
-
1936
- 1936-10-07 DE DE1936750716D patent/DE750716C/de not_active Expired
-
1937
- 1937-09-24 NL NL84283A patent/NL47611C/xx active
- 1937-09-28 FR FR827205D patent/FR827205A/fr not_active Expired
- 1937-10-05 GB GB26963/37A patent/GB490485A/en not_active Expired
- 1937-10-06 US US167519A patent/US2195888A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE750716C (de) | 1945-01-26 |
| FR827205A (fr) | 1938-04-21 |
| NL47611C (en:Method) | 1940-01-15 |
| GB490485A (en) | 1938-08-16 |
| US2195888A (en) | 1940-04-02 |