DE820903C - Mehrfachtraeger-UEbertragungssystem - Google Patents
Mehrfachtraeger-UEbertragungssystemInfo
- Publication number
 - DE820903C DE820903C DEP49247D DEP0049247D DE820903C DE 820903 C DE820903 C DE 820903C DE P49247 D DEP49247 D DE P49247D DE P0049247 D DEP0049247 D DE P0049247D DE 820903 C DE820903 C DE 820903C
 - Authority
 - DE
 - Germany
 - Prior art keywords
 - frequency
 - components
 - group
 - oscillation
 - harmonic
 - 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
- 230000005540 biological transmission Effects 0.000 title claims description 16
 - 230000010355 oscillation Effects 0.000 claims description 34
 - 230000007423 decrease Effects 0.000 claims 2
 - 230000004069 differentiation Effects 0.000 claims 1
 - 239000000203 mixture Substances 0.000 claims 1
 - 239000000969 carrier Substances 0.000 description 20
 - 238000001228 spectrum Methods 0.000 description 18
 - 230000008859 change Effects 0.000 description 10
 - 238000010586 diagram Methods 0.000 description 5
 - 230000003595 spectral effect Effects 0.000 description 3
 - 230000009467 reduction Effects 0.000 description 2
 - 238000000926 separation method Methods 0.000 description 2
 - 238000013459 approach Methods 0.000 description 1
 - 230000008901 benefit Effects 0.000 description 1
 - 230000000295 complement effect Effects 0.000 description 1
 - 239000004020 conductor Substances 0.000 description 1
 - 230000008878 coupling Effects 0.000 description 1
 - 238000010168 coupling process Methods 0.000 description 1
 - 238000005859 coupling reaction Methods 0.000 description 1
 - 230000008030 elimination Effects 0.000 description 1
 - 238000003379 elimination reaction Methods 0.000 description 1
 - 230000006872 improvement Effects 0.000 description 1
 - 230000001939 inductive effect Effects 0.000 description 1
 - 238000002955 isolation Methods 0.000 description 1
 - 230000009897 systematic effect Effects 0.000 description 1
 
Classifications
- 
        
- H—ELECTRICITY
 - H03—ELECTRONIC CIRCUITRY
 - H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
 - H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
 - H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
 - H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
 - H03B19/12—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using division only
 
 - 
        
- H—ELECTRICITY
 - H04—ELECTRIC COMMUNICATION TECHNIQUE
 - H04J—MULTIPLEX COMMUNICATION
 - H04J1/00—Frequency-division multiplex systems
 - H04J1/02—Details
 - H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
 
 
Landscapes
- Engineering & Computer Science (AREA)
 - Computer Networks & Wireless Communication (AREA)
 - Signal Processing (AREA)
 - Transmitters (AREA)
 - Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US62364A US2575993A (en) | 1948-11-27 | 1948-11-27 | Multiple carrier transmission system | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| DE820903C true DE820903C (de) | 1951-11-15 | 
Family
ID=22041989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DEP49247D Expired DE820903C (de) | 1948-11-27 | 1949-07-19 | Mehrfachtraeger-UEbertragungssystem | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US2575993A (enEXAMPLES) | 
| BE (1) | BE491024A (enEXAMPLES) | 
| CH (1) | CH288286A (enEXAMPLES) | 
| DE (1) | DE820903C (enEXAMPLES) | 
| FR (1) | FR993835A (enEXAMPLES) | 
| GB (1) | GB662922A (enEXAMPLES) | 
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2776373A (en) * | 1953-12-14 | 1957-01-01 | Bell Telephone Labor Inc | Frequency conversion circuits | 
| BE552166A (enEXAMPLES) * | 1955-11-02 | |||
| US2952812A (en) * | 1956-01-27 | 1960-09-13 | California Research Corp | Pulse modulation function multiplier | 
| US3083606A (en) * | 1959-03-02 | 1963-04-02 | Don L Bonham | Electrical music system | 
| US3493669A (en) * | 1965-12-03 | 1970-02-03 | Baldwin Co D H | Output systems for electric guitars and the like | 
| US5125100A (en) * | 1990-07-02 | 1992-06-23 | Katznelson Ron D | Optimal signal synthesis for distortion cancelling multicarrier systems | 
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US1956397A (en) * | 1931-02-21 | 1934-04-24 | Communications Patents Inc | Multiple channel transmission control | 
| US2144380A (en) * | 1936-10-21 | 1939-01-17 | S M Saltzman | Intercommunicating system and method | 
| US2188500A (en) * | 1937-12-21 | 1940-01-30 | Wired Radio Inc | Catalytic carrier system | 
| BE442115A (enEXAMPLES) * | 1940-02-29 | |||
| US2371988A (en) * | 1940-10-01 | 1945-03-20 | Aga Baltic Ab | Distance measuring device | 
| GB556079A (en) * | 1942-03-12 | 1943-09-20 | Standard Telephones Cables Ltd | Improvements relating to multi-channel electrical communication systems | 
| US2408692A (en) * | 1942-04-29 | 1946-10-01 | Rca Corp | Signaling system | 
| US2445618A (en) * | 1943-04-01 | 1948-07-20 | Westinghouse Electric Corp | Modulation system | 
| US2444928A (en) * | 1943-07-30 | 1948-07-13 | Sperry Corp | Frequency control apparatus and method | 
- 
        0
        
- BE BE491024D patent/BE491024A/xx unknown
 
 - 
        1948
        
- 1948-11-27 US US62364A patent/US2575993A/en not_active Expired - Lifetime
 
 - 
        1949
        
- 1949-07-19 DE DEP49247D patent/DE820903C/de not_active Expired
 - 1949-08-29 FR FR993835D patent/FR993835A/fr not_active Expired
 - 1949-09-27 CH CH288286D patent/CH288286A/fr unknown
 - 1949-11-23 GB GB30027/49A patent/GB662922A/en not_active Expired
 
 
Non-Patent Citations (1)
| Title | 
|---|
| None * | 
Also Published As
| Publication number | Publication date | 
|---|---|
| CH288286A (fr) | 1953-01-15 | 
| US2575993A (en) | 1951-11-20 | 
| BE491024A (enEXAMPLES) | |
| FR993835A (fr) | 1951-11-07 | 
| GB662922A (en) | 1951-12-12 | 
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