FR2140397A1 - - Google Patents

Info

Publication number
FR2140397A1
FR2140397A1 FR7217235A FR7217235A FR2140397A1 FR 2140397 A1 FR2140397 A1 FR 2140397A1 FR 7217235 A FR7217235 A FR 7217235A FR 7217235 A FR7217235 A FR 7217235A FR 2140397 A1 FR2140397 A1 FR 2140397A1
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.)
Granted
Application number
FR7217235A
Other languages
French (fr)
Other versions
FR2140397B1 (enExample
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.)
Honeywell Inc
Original Assignee
Honeywell 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 Honeywell Inc filed Critical Honeywell Inc
Publication of FR2140397A1 publication Critical patent/FR2140397A1/fr
Application granted granted Critical
Publication of FR2140397B1 publication Critical patent/FR2140397B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
    • G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7217235A 1971-06-07 1972-05-15 Expired FR2140397B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15032471A 1971-06-07 1971-06-07

Publications (2)

Publication Number Publication Date
FR2140397A1 true FR2140397A1 (enExample) 1973-01-19
FR2140397B1 FR2140397B1 (enExample) 1976-01-16

Family

ID=22534041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217235A Expired FR2140397B1 (enExample) 1971-06-07 1972-05-15

Country Status (5)

Country Link
JP (1) JPS52156572U (enExample)
CA (1) CA954189A (enExample)
DE (1) DE2227741A1 (enExample)
FR (1) FR2140397B1 (enExample)
GB (1) GB1380140A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT365384B (de) * 1979-10-10 1982-01-11 Elin Union Ag Schaltungsanordnung zur ermittlung der resonanz- frequenz von lastgefuehrten schwingkreisumrichtern
DE3719505A1 (de) * 1987-06-11 1988-12-22 Telefunken Electronic Gmbh Freuquenz/spannungswandler
CN104166045B (zh) * 2013-05-15 2016-12-28 海洋王（东莞）照明科技有限公司 一种交流电源频率检测装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535658A (en) * 1967-06-27 1970-10-20 Webb James E Frequency to analog converter

Also Published As

Publication number Publication date
JPS52156572U (enExample) 1977-11-28
FR2140397B1 (enExample) 1976-01-16
DE2227741A1 (de) 1972-12-14
CA954189A (en) 1974-09-03
GB1380140A (en) 1975-01-08

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Legal Events

Date Code Title Description
ST Notification of lapse