FR2249500A1 - - Google Patents

Info

Publication number
FR2249500A1
FR2249500A1 FR7435913A FR7435913A FR2249500A1 FR 2249500 A1 FR2249500 A1 FR 2249500A1 FR 7435913 A FR7435913 A FR 7435913A FR 7435913 A FR7435913 A FR 7435913A FR 2249500 A1 FR2249500 A1 FR 2249500A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7435913A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2249500A1 publication Critical patent/FR2249500A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
    • G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations
    • G06F7/66—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations wherein pulses represent unitary increments only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Complex Calculations (AREA)
FR7435913A 1973-10-26 1974-10-25 Withdrawn FR2249500A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00410134A US3828169A (en) 1973-10-26 1973-10-26 Apparatus for digital frequency multiplication
US411543A US3864556A (en) 1973-10-26 1973-10-31 Apparatus for digital frequency scaling

Publications (1)

Publication Number Publication Date
FR2249500A1 true FR2249500A1 (fr) 1975-05-23

Family

ID=27020880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435913A Withdrawn FR2249500A1 (fr) 1973-10-26 1974-10-25

Country Status (5)

Country Link
US (2) US3828169A (fr)
BE (1) BE821460A (fr)
DE (1) DE2450344A1 (fr)
FR (1) FR2249500A1 (fr)
NL (1) NL7413050A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115863A (en) * 1976-12-07 1978-09-19 Sperry Rand Corporation Digital stroke display with vector, circle and character generation capability
FR2408870A1 (fr) * 1977-11-09 1979-06-08 Aerospatiale Procede et dispositif pour la multiplication d'une valeur stochastique par un coefficient plus grand que l'unite
US4275450A (en) * 1979-08-01 1981-06-23 Xerox Corporation Magnification/demagnification apparatus and method
US4773031A (en) * 1984-12-24 1988-09-20 Tektronix, Inc. Method and circuit for digital frequency multiplication
US5023822A (en) * 1988-10-31 1991-06-11 Schlotterer John C Pulse ratio system
US5500744A (en) * 1994-08-05 1996-03-19 Miles Inc. Method and appparatus for image scaling using parallel incremental interpolation
GB9618069D0 (en) * 1996-08-28 1996-10-09 The Technology Partnership Plc Frequency dividing cicuit
US6112217A (en) * 1998-07-24 2000-08-29 Siemens Aktiengesellschaft Method and apparatus for generating clock signals
US6480045B2 (en) 2001-01-05 2002-11-12 Thomson Licensing S.A. Digital frequency multiplier
WO2005052820A1 (fr) * 2003-10-31 2005-06-09 International Business Machines Corporation Procede et appareil permettant l'echelonnement d'une frequence au niveau d'un systeme dynamique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748283A (en) * 1953-08-19 1956-05-29 Bell Telephone Labor Inc Frequency multiplier apparatus
US3219935A (en) * 1961-08-08 1965-11-23 Yokogawa Electric Corp Measuring-counting system for determining and control-circuit for continuously providing exact multiple of unknown frequency input
US3199037A (en) * 1962-09-25 1965-08-03 Thompson Ramo Wooldridge Inc Phase-locked loops
US3646330A (en) * 1970-05-28 1972-02-29 Atomic Energy Commission Continuous digital ratemeter
US3757095A (en) * 1970-08-26 1973-09-04 Tektronix Inc Numerical control system
US3674999A (en) * 1970-10-22 1972-07-04 Gen Electric Numerical function generator
US3701890A (en) * 1970-12-08 1972-10-31 Allen Bradley Co Digital differential analyzer employing multiple overflow bits
US3740535A (en) * 1971-08-16 1973-06-19 Westinghouse Electric Corp Numerical contouring control system

Also Published As

Publication number Publication date
NL7413050A (nl) 1975-04-29
US3864556A (en) 1975-02-04
BE821460A (fr) 1975-04-25
DE2450344A1 (de) 1975-04-30
US3828169A (en) 1974-08-06

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Legal Events

Date Code Title Description
ST Notification of lapse