CH201774A - Anordnung zur Nachrichtenübermittlung über Kabel mittels hochfrequenter Wechselströme. - Google Patents
Anordnung zur Nachrichtenübermittlung über Kabel mittels hochfrequenter Wechselströme.Info
- Publication number
- CH201774A CH201774A CH201774DA CH201774A CH 201774 A CH201774 A CH 201774A CH 201774D A CH201774D A CH 201774DA CH 201774 A CH201774 A CH 201774A
- Authority
- CH
- Switzerland
- Prior art keywords
- arrangement
- transmission
- frequency alternating
- via cable
- alternating currents
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201774X | 1937-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH201774A true CH201774A (de) | 1938-12-15 |
Family
ID=5768008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH201774D CH201774A (de) | 1937-03-12 | 1938-03-02 | Anordnung zur Nachrichtenübermittlung über Kabel mittels hochfrequenter Wechselströme. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2203316A (de) |
CH (1) | CH201774A (de) |
FR (1) | FR834987A (de) |
GB (1) | GB493822A (de) |
NL (2) | NL51746C (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4173714A (en) * | 1977-06-03 | 1979-11-06 | Tie/Communications, Inc. | Communication circuit with combined power feed and data transmission over a phantom channel |
CA1213649A (en) * | 1982-12-22 | 1986-11-04 | Hugh M. Goldberg | Secondary channel method and apparatus |
AU623885B2 (en) * | 1988-06-06 | 1992-05-28 | Tandem Computers Incorporated | Communication circuit matrix connection |
GB2441811B (en) * | 2006-07-08 | 2010-12-01 | Vetco Gray Controls Ltd | Transmitting communications and power channels |
-
0
- NL NL86737D patent/NL86737B/xx unknown
- NL NL51746D patent/NL51746C/xx active
-
1938
- 1938-03-02 CH CH201774D patent/CH201774A/de unknown
- 1938-03-08 US US194555A patent/US2203316A/en not_active Expired - Lifetime
- 1938-03-08 FR FR834987D patent/FR834987A/fr not_active Expired
- 1938-03-11 GB GB7646/38A patent/GB493822A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2203316A (en) | 1940-06-04 |
GB493822A (en) | 1938-10-14 |
NL51746C (de) | |
FR834987A (fr) | 1938-12-08 |
NL86737B (de) |
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