[go: up one dir, main page]

FR976799A - Improvement in frequency-converters - Google Patents

Improvement in frequency-converters

Info

Publication number
FR976799A
FR976799A FR976799DA FR976799A FR 976799 A FR976799 A FR 976799A FR 976799D A FR976799D A FR 976799DA FR 976799 A FR976799 A FR 976799A
Authority
FR
France
Prior art keywords
converters
improvement
frequency
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR976799A publication Critical patent/FR976799A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR976799D 1948-10-19 1948-10-19 Improvement in frequency-converters Expired FR976799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976799T 1948-10-19

Publications (1)

Publication Number Publication Date
FR976799A true FR976799A (en) 1951-03-22

Family

ID=9519116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976799D Expired FR976799A (en) 1948-10-19 1948-10-19 Improvement in frequency-converters

Country Status (1)

Country Link
FR (1) FR976799A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182742B (en) * 1959-06-11 1964-12-03 Daystrom Inc Arrangement for measuring the frequency of an alternating voltage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182742B (en) * 1959-06-11 1964-12-03 Daystrom Inc Arrangement for measuring the frequency of an alternating voltage

Similar Documents

Publication Publication Date Title
FR1007140A (en) Improvements to turbo-engines
FR997141A (en) Improvements in interpolymers
FR967537A (en) Improvement in ties
FR976799A (en) Improvement in frequency-converters
FR58670E (en) Improvement in pumps
FR1001131A (en) Improvements in special steels
FR968684A (en) Vise improvements
FR968490A (en) Improvement in bicycles
FR969656A (en) Improvement in sulpho-calcium solutions
FR965969A (en) Toy improvement
FR1008715A (en) Improvement in antiseptics
FR970175A (en) Improvements to turbo-engines
FR969840A (en) Improvement in frameworks
FR981591A (en) Improvement in servo-mechanisms
FR1007919A (en) Improvement in spades
FR1011045A (en) Improvement in pumps
FR993829A (en) Improvements in insecticides
FR965949A (en) Improvements in amplifiers
FR1007882A (en) Improvement in hydraulic controls
FR994273A (en) Improvement in protein compositions
FR966815A (en) Case enhancements
FR1006996A (en) Improvement in lapidaries
FR983049A (en) Improvement in serger-shavers
FR997575A (en) Improvement in fronto-focometers
FR1011012A (en) Improvements to phasemeters