GB1475767A - Remote adjustment device of an inaccessible element - Google Patents

Remote adjustment device of an inaccessible element

Info

Publication number
GB1475767A
GB1475767A GB5102274A GB5102274A GB1475767A GB 1475767 A GB1475767 A GB 1475767A GB 5102274 A GB5102274 A GB 5102274A GB 5102274 A GB5102274 A GB 5102274A GB 1475767 A GB1475767 A GB 1475767A
Authority
GB
United Kingdom
Prior art keywords
motor
frequency
switch
nov
transistors
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
GB5102274A
Other languages
English (en)
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia 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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1475767A publication Critical patent/GB1475767A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Filters And Equalizers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB5102274A 1973-11-28 1974-11-25 Remote adjustment device of an inaccessible element Expired GB1475767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7342358A FR2252794A5 (https=) 1973-11-28 1973-11-28

Publications (1)

Publication Number Publication Date
GB1475767A true GB1475767A (en) 1977-06-10

Family

ID=9128385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5102274A Expired GB1475767A (en) 1973-11-28 1974-11-25 Remote adjustment device of an inaccessible element

Country Status (4)

Country Link
US (1) US3942137A (https=)
JP (1) JPS5739095B2 (https=)
FR (1) FR2252794A5 (https=)
GB (1) GB1475767A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137834A (en) * 1983-03-31 1984-10-10 Prutec Ltd Control circuit for a motor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540857A (en) * 1976-04-06 1979-02-14 Standard Telephones Cables Ltd Transmission systems
FR2444983A1 (fr) * 1978-12-22 1980-07-18 Fillot Jean Jacques Systeme de surveillance et de regulation d'une liaison de transmission
JPH09121138A (ja) * 1995-08-24 1997-05-06 Fujitsu Ltd フィルタ装置及びこれを用いた無線装置
KR20000042660A (ko) * 1998-12-26 2000-07-15 서평원 광중계 시스템의 이득제어방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1743141A (en) * 1928-01-28 1930-01-14 American Telephone & Telegraph Equalization of carrier systems
US2037107A (en) * 1934-12-20 1936-04-14 American Telephone & Telegraph Transmission gain control
BE559675A (https=) * 1956-08-27 1900-01-01
DE1130858B (de) * 1959-10-31 1962-06-07 Felten & Guilleaume Carlswerk Verfahren zum wahlweisen Einstellen veraenderbarer, fuer Seekabelanlagen mit Unterwasserverstaerkern vorgesehener Zwischenentzerrer
DE2151794C3 (de) * 1971-10-18 1975-04-24 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anordnung zur Unterdrückung von Regelschwingungen bei einem Trägerfrequenzsystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137834A (en) * 1983-03-31 1984-10-10 Prutec Ltd Control circuit for a motor

Also Published As

Publication number Publication date
JPS5739095B2 (https=) 1982-08-19
JPS5086913A (https=) 1975-07-12
US3942137A (en) 1976-03-02
FR2252794A5 (https=) 1975-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee