GB1440937A - Circuit arrangement for picking up a limit frequency of an alternating voltage network - Google Patents

Circuit arrangement for picking up a limit frequency of an alternating voltage network

Info

Publication number
GB1440937A
GB1440937A GB1731673A GB1731673A GB1440937A GB 1440937 A GB1440937 A GB 1440937A GB 1731673 A GB1731673 A GB 1731673A GB 1731673 A GB1731673 A GB 1731673A GB 1440937 A GB1440937 A GB 1440937A
Authority
GB
United Kingdom
Prior art keywords
picking
circuit arrangement
alternating voltage
limit frequency
voltage network
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
GB1731673A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1440937A publication Critical patent/GB1440937A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
GB1731673A 1972-04-14 1973-04-11 Circuit arrangement for picking up a limit frequency of an alternating voltage network Expired GB1440937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722218011 DE2218011A1 (de) 1972-04-14 1972-04-14 Schaltungsanordnung zur erfassung einer grenzfrequenz eines wechselspannungsnetzes

Publications (1)

Publication Number Publication Date
GB1440937A true GB1440937A (en) 1976-06-30

Family

ID=5841944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1731673A Expired GB1440937A (en) 1972-04-14 1973-04-11 Circuit arrangement for picking up a limit frequency of an alternating voltage network

Country Status (3)

Country Link
DE (1) DE2218011A1 (enrdf_load_stackoverflow)
FR (1) FR2180105B3 (enrdf_load_stackoverflow)
GB (1) GB1440937A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122441A (zh) * 2014-07-23 2014-10-29 上海华虹宏力半导体制造有限公司 频率检测装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104122441A (zh) * 2014-07-23 2014-10-29 上海华虹宏力半导体制造有限公司 频率检测装置
CN104122441B (zh) * 2014-07-23 2016-08-24 上海华虹宏力半导体制造有限公司 频率检测装置

Also Published As

Publication number Publication date
FR2180105B3 (enrdf_load_stackoverflow) 1976-04-02
DE2218011A1 (de) 1973-10-31
FR2180105A1 (enrdf_load_stackoverflow) 1973-11-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee