FR673502A - Transmission system - Google Patents
Transmission systemInfo
- Publication number
- FR673502A FR673502A FR673502DA FR673502A FR 673502 A FR673502 A FR 673502A FR 673502D A FR673502D A FR 673502DA FR 673502 A FR673502 A FR 673502A
- Authority
- FR
- France
- Prior art keywords
- transmission system
- transmission
- 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
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
- H03B19/03—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using non-linear inductance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
- H04L25/03127—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals using only passive components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/062—Setting decision thresholds using feedforward techniques only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/24—Relay circuits using discharge tubes or semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Coils Or Transformers For Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electrotherapy Devices (AREA)
- Superheterodyne Receivers (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US280709A US1936153A (en) | 1928-05-26 | 1928-05-26 | Electric wave transmission system |
US282381A US1763880A (en) | 1928-06-02 | 1928-06-02 | Signaling system |
US293816A US1858037A (en) | 1928-07-19 | 1928-07-19 | Zero correcting circuit |
US306123A US1818463A (en) | 1928-09-15 | 1928-09-15 | Zero correcting circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR673502A true FR673502A (en) | 1930-01-16 |
Family
ID=27501288
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR673502D Expired FR673502A (en) | 1928-05-26 | 1929-04-18 | Transmission system |
FR36770D Expired FR36770E (en) | 1928-05-26 | 1929-04-25 | Transmission systems |
FR37104D Expired FR37104E (en) | 1928-05-26 | 1929-05-31 | Transmission system |
FR37685D Expired FR37685E (en) | 1928-05-26 | 1929-07-31 | Transmission systems |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR36770D Expired FR36770E (en) | 1928-05-26 | 1929-04-25 | Transmission systems |
FR37104D Expired FR37104E (en) | 1928-05-26 | 1929-05-31 | Transmission system |
FR37685D Expired FR37685E (en) | 1928-05-26 | 1929-07-31 | Transmission systems |
Country Status (3)
Country | Link |
---|---|
DE (4) | DE539187C (en) |
FR (4) | FR673502A (en) |
GB (5) | GB312338A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767199C (en) * | 1935-03-27 | 1952-03-31 | Telefunken Gmbh | Circuit for generating short pulses |
DE755390C (en) * | 1938-02-17 | 1953-08-10 | Lorenz C Ag | Arrangement for the control of tilting devices by means of synchronizing impulses which pass through a separating device and have lost their edge steepness as a result |
DE970583C (en) * | 1951-08-10 | 1958-10-09 | Oskar Vierling Dr | Circuit arrangement for the optional switching of alternating current circuits in telecommunications systems |
-
1929
- 1929-03-07 GB GB742629A patent/GB312338A/en not_active Expired
- 1929-03-08 GB GB769429A patent/GB312904A/en not_active Expired
- 1929-03-23 DE DEE39029D patent/DE539187C/en not_active Expired
- 1929-03-26 DE DEE39031D patent/DE540413C/en not_active Expired
- 1929-04-18 FR FR673502D patent/FR673502A/en not_active Expired
- 1929-04-25 FR FR36770D patent/FR36770E/en not_active Expired
- 1929-05-17 GB GB1552029A patent/GB315821A/en not_active Expired
- 1929-05-18 DE DE1929E0039267 patent/DE540412C/en not_active Expired
- 1929-05-31 FR FR37104D patent/FR37104E/en not_active Expired
- 1929-06-25 GB GB1951829A patent/GB318989A/en not_active Expired
- 1929-07-14 DE DE1929E0039570 patent/DE553928C/en not_active Expired
- 1929-07-31 FR FR37685D patent/FR37685E/en not_active Expired
- 1929-09-24 GB GB28990/29A patent/GB340286A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR37104E (en) | 1930-10-15 |
GB315821A (en) | 1930-08-18 |
DE539187C (en) | 1931-11-23 |
GB312338A (en) | 1930-06-10 |
GB340286A (en) | 1930-12-24 |
DE553928C (en) | 1932-07-18 |
DE540412C (en) | 1931-12-23 |
GB312904A (en) | 1930-06-10 |
GB318989A (en) | 1930-09-25 |
FR36770E (en) | 1930-09-13 |
FR37685E (en) | 1931-01-14 |
DE540413C (en) | 1931-12-23 |
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