FR795591A - Systèmes électriques de signalisation et appareils y associés - Google Patents

Systèmes électriques de signalisation et appareils y associés

Info

Publication number
FR795591A
FR795591A FR795591DA FR795591A FR 795591 A FR795591 A FR 795591A FR 795591D A FR795591D A FR 795591DA FR 795591 A FR795591 A FR 795591A
Authority
FR
France
Prior art keywords
associated apparatus
signaling systems
electrical signaling
electrical
systems
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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR795591A publication Critical patent/FR795591A/fr
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
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
    • H03B19/12—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using division only
    • 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
    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
FR795591D 1934-07-07 1935-07-04 Systèmes électriques de signalisation et appareils y associés Expired FR795591A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US734085A US2022969A (en) 1934-07-07 1934-07-07 Electrical wave production

Publications (1)

Publication Number Publication Date
FR795591A true FR795591A (fr) 1936-03-17

Family

ID=24950248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795591D Expired FR795591A (fr) 1934-07-07 1935-07-04 Systèmes électriques de signalisation et appareils y associés

Country Status (2)

Country Link
US (2) US2022969A (fr)
FR (1) FR795591A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435259A (en) * 1940-06-14 1948-02-03 Western Union Telegraph Co Frequency control apparatus
US2489303A (en) * 1942-04-06 1949-11-29 Lifschutz Harold Counter frequency divider without time delay
US2438927A (en) * 1942-08-24 1948-04-06 Standard Telephones Cables Ltd Modulation means and method
US2482194A (en) * 1944-05-13 1949-09-20 Du Mont Allen B Lab Inc Ballistoscope
US2521008A (en) * 1944-06-27 1950-09-05 John H Homrighous Television and sound multiplex system
US2526000A (en) * 1945-05-26 1950-10-17 Rca Corp Frequency divider
US2591114A (en) * 1945-09-14 1952-04-01 Us Navy Frequency divider
GB666962A (en) * 1947-07-04 1952-02-20 Cinema Television Ltd Improvements in or relating to methods of frequency division, especially television and like systems
US2859345A (en) * 1953-03-12 1958-11-04 Rca Corp Electrically tunable oscillator
USRE26412E (en) * 1958-06-02 1968-06-25 Video recording system and method

Also Published As

Publication number Publication date
US2028232A (en) 1936-01-21
US2022969A (en) 1935-12-03

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