FR806958A - Frequency reduction device - Google Patents

Frequency reduction device

Info

Publication number
FR806958A
FR806958A FR806958DA FR806958A FR 806958 A FR806958 A FR 806958A FR 806958D A FR806958D A FR 806958DA FR 806958 A FR806958 A FR 806958A
Authority
FR
France
Prior art keywords
reduction device
frequency reduction
frequency
reduction
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
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 Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Application granted granted Critical
Publication of FR806958A publication Critical patent/FR806958A/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
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/03—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using non-linear inductance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Dc-Dc Converters (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
FR806958D 1935-06-03 1936-05-29 Frequency reduction device Expired FR806958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US470128XA 1935-06-03 1935-06-03

Publications (1)

Publication Number Publication Date
FR806958A true FR806958A (en) 1936-12-30

Family

ID=21946573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806958D Expired FR806958A (en) 1935-06-03 1936-05-29 Frequency reduction device

Country Status (3)

Country Link
DE (1) DE671513C (en)
FR (1) FR806958A (en)
GB (1) GB470128A (en)

Also Published As

Publication number Publication date
GB470128A (en) 1937-08-10
DE671513C (en) 1939-02-08

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