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.)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens CorpfiledCriticalSiemens and Halske AG
Application grantedgrantedCritical
Publication of FR724396ApublicationCriticalpatent/FR724396A/fr
H04B3/10—Control of transmission; Equalising by pilot signal
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B3/00—Line transmission systems
H04B3/02—Details
H04B3/04—Control of transmission; Equalising
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
Relay Circuits
(AREA)
Measurement Of Current Or Voltage
(AREA)
FR724396D1931-02-261931-09-29Dispositif pour le contrôle ou le réglage du niveau d'énergie, notamment pour systèmes à courants porteurs
ExpiredFR724396A
(fr)
Dispositif de commande du degré de transmission dans les systèmes téléphoniques, les installations d'amplificateurs et les installations similaires