CH507520A - Electronic frequency display - Google Patents

Electronic frequency display

Info

Publication number
CH507520A
CH507520A CH612869A CH612869A CH507520A CH 507520 A CH507520 A CH 507520A CH 612869 A CH612869 A CH 612869A CH 612869 A CH612869 A CH 612869A CH 507520 A CH507520 A CH 507520A
Authority
CH
Switzerland
Prior art keywords
frequency display
electronic frequency
electronic
display
frequency
Prior art date
Application number
CH612869A
Other languages
German (de)
Inventor
Oswald Gernot
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH507520A publication Critical patent/CH507520A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CH612869A 1968-04-26 1969-04-23 Electronic frequency display CH507520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681766268 DE1766268A1 (en) 1968-04-26 1968-04-26 Electronic frequency display

Publications (1)

Publication Number Publication Date
CH507520A true CH507520A (en) 1971-05-15

Family

ID=5698849

Family Applications (1)

Application Number Title Priority Date Filing Date
CH612869A CH507520A (en) 1968-04-26 1969-04-23 Electronic frequency display

Country Status (5)

Country Link
CH (1) CH507520A (en)
DE (1) DE1766268A1 (en)
FR (1) FR1595409A (en)
GB (1) GB1259705A (en)
NL (1) NL6901451A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2096906B1 (en) * 1970-07-15 1976-03-19 Adret Electronique
FR2439406A1 (en) * 1978-10-16 1980-05-16 Licentia Gmbh ASSEMBLY PROVIDING A SIGNAL ACCORDING TO FREQUENCIES
IT1123855B (en) * 1978-10-16 1986-04-30 Licentia Gmbh REMOTE CONTROL CIRCUIT
CN110187175B (en) * 2019-07-08 2024-06-18 浙江大学台州研究院 Online frequency measurement system for quartz wafer polishing and grinding

Also Published As

Publication number Publication date
DE1766268A1 (en) 1971-06-24
GB1259705A (en) 1972-01-12
NL6901451A (en) 1969-10-28
FR1595409A (en) 1970-06-08

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Legal Events

Date Code Title Description
PL Patent ceased