FR673502A - Système de transmission - Google Patents

Système de transmission

Info

Publication number: FR673502A
Authority: FR; France
Prior art keywords: transmission system; transmission
Prior art date: 1928-05-26
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Electrical Research Products Inc

Original Assignee

Electrical Research Products Inc

Priority date (The priority date 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 date listed.)

1928-05-26

Filing date

1929-04-18

Publication date

1930-01-16

1928-05-26 Priority claimed from US280709A external-priority patent/US1936153A/en

1928-06-02 Priority claimed from US282381A external-priority patent/US1763880A/en

1928-07-19 Priority claimed from US293816A external-priority patent/US1858037A/en

1928-09-15 Priority claimed from US306123A external-priority patent/US1818463A/en

1929-04-18 Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc

1930-01-16 Application granted granted Critical

1930-01-16 Publication of FR673502A publication Critical patent/FR673502A/fr

Status Expired legal-status Critical Current

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)
Coils Or Transformers For Communication (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Electrotherapy Devices (AREA)
Superheterodyne Receivers (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Ac-Ac Conversion (AREA)
Emergency Protection Circuit Devices (AREA)
Measurement Of Current Or Voltage (AREA)
Train Traffic Observation, Control, And Security (AREA)

FR673502D 1928-05-26 1929-04-18 Système de transmission Expired FR673502A (fr)

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 (fr)	1930-01-16

Family

ID=27501288

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
FR673502D Expired FR673502A (fr)	1928-05-26	1929-04-18	Système de transmission
FR36770D Expired FR36770E (fr)	1928-05-26	1929-04-25	Systèmes de transmission
FR37104D Expired FR37104E (fr)	1928-05-26	1929-05-31	Système de transmission
FR37685D Expired FR37685E (fr)	1928-05-26	1929-07-31	Systèmes de transmission

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
FR36770D Expired FR36770E (fr)	1928-05-26	1929-04-25	Systèmes de transmission
FR37104D Expired FR37104E (fr)	1928-05-26	1929-05-31	Système de transmission
FR37685D Expired FR37685E (fr)	1928-05-26	1929-07-31	Systèmes de transmission

Country Status (3)

Country	Link
DE (4)	DE539187C (fr)
FR (4)	FR673502A (fr)
GB (5)	GB312338A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE767199C (de) *	1935-03-27	1952-03-31	Telefunken Gmbh	Schaltung zur Erzeugung kurzer Impulse
DE755390C (de) *	1938-02-17	1953-08-10	Lorenz C Ag	Anordnung zur Steuerung von Kippgeraeten mittels Synchronisier-impulsen, die eine Trennvorrichtung durchlaufen und dadurch an Flankensteilheit eingebuesst haben
DE970583C (de) *	1951-08-10	1958-10-09	Oskar Vierling Dr	Schaltungsanordnung zum wahlweisen Schalten von Wechselstromkreisen in Fernmeldeanlagen

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/de not_active Expired
- 1929-03-26 DE DEE39031D patent/DE540413C/de not_active Expired
- 1929-04-18 FR FR673502D patent/FR673502A/fr not_active Expired
- 1929-04-25 FR FR36770D patent/FR36770E/fr not_active Expired
- 1929-05-17 GB GB1552029A patent/GB315821A/en not_active Expired
- 1929-05-18 DE DE1929E0039267 patent/DE540412C/de not_active Expired
- 1929-05-31 FR FR37104D patent/FR37104E/fr not_active Expired
- 1929-06-25 GB GB1951829A patent/GB318989A/en not_active Expired
- 1929-07-14 DE DE1929E0039570 patent/DE553928C/de not_active Expired
- 1929-07-31 FR FR37685D patent/FR37685E/fr not_active Expired
- 1929-09-24 GB GB28990/29A patent/GB340286A/en not_active Expired

Also Published As

Publication number	Publication date
DE540412C (de)	1931-12-23
DE539187C (de)	1931-11-23
GB315821A (en)	1930-08-18
DE540413C (de)	1931-12-23
DE553928C (de)	1932-07-18
GB318989A (en)	1930-09-25
FR37685E (fr)	1931-01-14
GB312904A (en)	1930-06-10
FR37104E (fr)	1930-10-15
GB312338A (en)	1930-06-10
FR36770E (fr)	1930-09-13
GB340286A (en)	1930-12-24

Publication	Publication Date	Title
FR673502A (fr)	1930-01-16	Système de transmission
FR621470A (fr)	1927-05-12	Système de transmission télégraphique
FR678256A (fr)	1930-03-20	Système de transmission électro-optique
FR664073A (fr)	1929-08-29	Système de freinage
FR663693A (fr)	1929-08-23	Chaîne de transmission
FR679921A (fr)	1930-04-23	Système de transmission électrique
FR673691A (fr)	1930-01-17	Dispositif de transmission
FR688670A (fr)	1930-08-27	Frein de transmission
FR663623A (fr)	1929-08-23	Système de baratte-malaxeuse
FR660682A (fr)	1929-07-16	Système de corset-ceinture
FR648170A (fr)	1928-12-06	Système de raccord
FR673646A (fr)	1930-01-17	Système régulateur de freinage
FR664604A (fr)	1929-09-05	Système de verrouillage
FR717843A (fr)	1932-01-14	Système de transmission
FR664382A (fr)	1929-09-02	Système de graissage central
FR625837A (fr)	1927-08-20	Système de transmission
FR644242A (fr)	1928-10-04	Système de transmission synchronique
FR666915A (fr)	1929-10-08	Système de surchauffeurs
FR36290E (fr)	1930-04-30	Système de murailles
FR662158A (fr)	1929-08-03	Système de condenseur
FR688929A (fr)	1930-08-30	Système de transmission duplex
FR660481A (fr)	1929-07-11	Système de poulie de transmission
FR36021E (fr)	1930-04-01	Système de freinage hydraulique
FR650826A (fr)	1929-02-11	Système de freinage hydraulique
FR683804A (fr)	1930-06-18	Système de publicité