FR924974A - Electrical device for making the selection of individual components of a complex wave - Google Patents

Electrical device for making the selection of individual components of a complex wave

Info

Publication number
FR924974A
FR924974A FR924974DA FR924974A FR 924974 A FR924974 A FR 924974A FR 924974D A FR924974D A FR 924974DA FR 924974 A FR924974 A FR 924974A
Authority
FR
France
Prior art keywords
selection
making
electrical device
individual components
complex wave
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)
Inventor
Charles Trevor Daly
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.)
International Standard Electric Corp
Original Assignee
International Standard 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR924974A publication Critical patent/FR924974A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
FR924974D 1944-07-14 1946-02-08 Electrical device for making the selection of individual components of a complex wave Expired FR924974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1349644A GB583246A (en) 1944-07-14 1944-07-14 Improvements in or relating to electrical arrangements for selecting individual components of a complex wave

Publications (1)

Publication Number Publication Date
FR924974A true FR924974A (en) 1947-08-21

Family

ID=10024017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924974D Expired FR924974A (en) 1944-07-14 1946-02-08 Electrical device for making the selection of individual components of a complex wave

Country Status (2)

Country Link
FR (1) FR924974A (en)
GB (1) GB583246A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184874B (en) * 1955-12-30 1965-01-07 Beckman Instruments Inc Tunable circuit arrangement with the transmission behavior of a band pass, extremely small bandwidth and high edge steepness
GB8828681D0 (en) * 1988-12-19 1989-05-17 British Aerospace Frequency filtering apparatus
GB2328814B (en) * 1997-09-02 2001-09-26 Sony Uk Ltd Variable bandwidth filter

Also Published As

Publication number Publication date
GB583246A (en) 1946-12-12

Similar Documents

Publication Publication Date Title
FR941322A (en) Electric wave transmission device
FR940633A (en) Electrical transformation device
FR909874A (en) Device for detonating mines
FR924974A (en) Electrical device for making the selection of individual components of a complex wave
FR920510A (en) Device for the use of solar radiation
FR927511A (en) Oscillating circuit for ultra-short waves
FR917117A (en) Fumivorous device
FR912642A (en) Mattress cover
FR935130A (en) Electric kettle
FR904812A (en) Evaporation apparatus
FR55753E (en) Gasifier filter
FR912538A (en) Waterproof watch box
FR912019A (en) Waterproof watch box
FR909573A (en) Waterproof watch box
FR941183A (en) Auxiliary device for making permanent waves
FR908247A (en) Clasp for watch strap
FR988517A (en) Watch
FR977578A (en) Device for the remote electrical transmission of the values of variable physical quantities
FR992979A (en) Garment cover
FR906130A (en) Electrical apparatus for probing ice thicknesses
FR990718A (en) Jet regulator device
FR992755A (en) Relief cinematography apparatus
FR917067A (en) Device for producing harmonics
FR911262A (en) Waterproof watch box
FR991209A (en) Electric regulation device