FR37835E - Perfectionnements aux systèmes amplificateurs - Google Patents

Perfectionnements aux systèmes amplificateurs

Info

Publication number
FR37835E
FR37835E FR37835DA FR37835E FR 37835 E FR37835 E FR 37835E FR 37835D A FR37835D A FR 37835DA FR 37835 E FR37835 E FR 37835E
Authority
FR
France
Prior art keywords
amplifier systems
amplifier
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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
Priority claimed from US12977A external-priority patent/US1728879A/en
Priority claimed from US69200A external-priority patent/US1640436A/en
Priority claimed from US69201A external-priority patent/US1778058A/en
Priority claimed from US88161A external-priority patent/US1774467A/en
Priority claimed from US108941A external-priority patent/US1665883A/en
Priority claimed from GB2067926A external-priority patent/GB279202A/en
Priority claimed from US195792A external-priority patent/US1833750A/en
Priority claimed from US195793A external-priority patent/US1701374A/en
Priority claimed from GB2741627A external-priority patent/GB304167A/en
Priority claimed from US271813A external-priority patent/US1906615A/en
Priority claimed from US276742A external-priority patent/US1833762A/en
Priority claimed from US303207A external-priority patent/US1756860A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Publication of FR37835E publication Critical patent/FR37835E/fr
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • H04B1/08—Constructional details, e.g. cabinet
    • 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
    • H04B1/1607—Supply circuits
    • H04B1/1623—Supply circuits using tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/005—Reducing noise, e.g. humm, from the supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
FR37835D 1925-03-03 1929-08-22 Perfectionnements aux systèmes amplificateurs Expired FR37835E (fr)

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
US12977A US1728879A (en) 1925-03-03 1925-03-03 Amplifying system
US69201A US1778058A (en) 1925-11-14 1925-11-14 Amplifying system
US69200A US1640436A (en) 1925-11-14 1925-11-14 Amplifying system
US88161A US1774467A (en) 1926-02-13 1926-02-13 Power-supply system
US108941A US1665883A (en) 1926-05-13 1926-05-13 Power-amplifying system
GB2067926A GB279202A (en) 1926-08-21 1926-08-21 Improvements relating to thermionic valve amplifier circuits
US195792A US1833750A (en) 1927-06-01 1927-06-01 Electrical apparatus
US195793A US1701374A (en) 1927-06-01 1927-06-01 Electrical apparatus
US35771XA 1927-07-22 1927-07-22
GB2741627A GB304167A (en) 1927-10-15 1927-10-15 Improvements in arrangements for supplying current for the operation of thermionic valve systems
FR34843T 1927-12-31
US37327XA 1928-02-11 1928-02-11
GB502528 1928-02-17
US271813A US1906615A (en) 1928-04-21 1928-04-21 Electric pick-up
US276742A US1833762A (en) 1928-05-10 1928-05-10 Sound amplifier and reproducing apparatus
GB37832X 1928-06-11
US303207A US1756860A (en) 1928-08-31 1928-08-31 Apparatus for producing sound

Publications (1)

Publication Number Publication Date
FR37835E true FR37835E (fr) 1931-01-24

Family

ID=27585877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37835D Expired FR37835E (fr) 1925-03-03 1929-08-22 Perfectionnements aux systèmes amplificateurs

Country Status (1)

Country Link
FR (1) FR37835E (fr)

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