[go: up one dir, main page]

FR712886A - Improvements to electrical signaling systems - Google Patents

Improvements to electrical signaling systems

Info

Publication number
FR712886A
FR712886A FR712886DA FR712886A FR 712886 A FR712886 A FR 712886A FR 712886D A FR712886D A FR 712886DA FR 712886 A FR712886 A FR 712886A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
systems
signaling
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
Application number
Other languages
French (fr)
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.)
Filing date
Publication date
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR712886A publication Critical patent/FR712886A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR712886D 1930-03-08 1931-03-07 Improvements to electrical signaling systems Expired FR712886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US434229A US1850593A (en) 1930-03-08 1930-03-08 Transmission control

Publications (1)

Publication Number Publication Date
FR712886A true FR712886A (en) 1931-10-14

Family

ID=23723365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712886D Expired FR712886A (en) 1930-03-08 1931-03-07 Improvements to electrical signaling systems

Country Status (3)

Country Link
US (1) US1850593A (en)
FR (1) FR712886A (en)
GB (1) GB373623A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915590A (en) * 1956-12-20 1959-12-01 Ericsson Telefon Ab L M Arrangement for connection and disconnection of hybrid transformers at connection between two- and fourwire lines
DE19642497C1 (en) * 1996-10-15 1997-07-24 Krupp Vdm Gmbh Iron@-chromium@-aluminium@ alloy foil production

Also Published As

Publication number Publication date
US1850593A (en) 1932-03-22
GB373623A (en) 1932-05-25

Similar Documents

Publication Publication Date Title
FR816510A (en) Improvements to electrical signaling systems
FR699589A (en) Improvements to electrical signaling systems
FR802939A (en) Improvements to electrical signaling systems
FR747666A (en) Improvements to signaling systems
FR689304A (en) Improvements to electrical signaling systems
FR714383A (en) Improvements to electrical signaling systems
FR711510A (en) Improvements to electrical signaling systems
FR712886A (en) Improvements to electrical signaling systems
FR738959A (en) Improvements to electrical signaling systems
FR733759A (en) Improvements to electrical signaling systems
FR725607A (en) Improvements to electrical signaling systems
FR728611A (en) Improvements to electrical signaling systems
FR715569A (en) Improvements to electrical transmission systems
FR708762A (en) Improvements to electrical signaling systems
FR723742A (en) Improvements to electrical signaling systems
FR721406A (en) Improvements to electrical telecommunications systems
FR655685A (en) Improvements to electrical signaling systems
FR722045A (en) Improvements to electrical signaling systems
FR40774E (en) Improvements to electrical signaling systems
FR685701A (en) Improvements to electrical signaling systems using submarine cables
FR615760A (en) Improvements to electrical signaling systems
FR41410E (en) Improvements to electrical signaling systems
FR658365A (en) Improvements to electrical signaling systems
FR652421A (en) Improvements to electrical signaling systems
FR658403A (en) Improvements to electrical signaling systems