GB2215474B - Methods and apparatus for monitoring oscillating signals - Google Patents

Methods and apparatus for monitoring oscillating signals

Info

Publication number
GB2215474B
GB2215474B GB8804936A GB8804936A GB2215474B GB 2215474 B GB2215474 B GB 2215474B GB 8804936 A GB8804936 A GB 8804936A GB 8804936 A GB8804936 A GB 8804936A GB 2215474 B GB2215474 B GB 2215474B
Authority
GB
United Kingdom
Prior art keywords
methods
oscillating signals
monitoring oscillating
monitoring
signals
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 - Lifetime
Application number
GB8804936A
Other versions
GB2215474A (en
GB8804936D0 (en
Inventor
Colin Attenborough
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.)
Siemens Building Technologies AG
Landis and Gyr AG
Cambridge Consultants Ltd
Original Assignee
Landis and Gyr AG
LGZ Landis and Gyr Zug AG
Cambridge Consultants Ltd
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 Landis and Gyr AG, LGZ Landis and Gyr Zug AG, Cambridge Consultants Ltd filed Critical Landis and Gyr AG
Priority to GB8804936A priority Critical patent/GB2215474B/en
Publication of GB8804936D0 publication Critical patent/GB8804936D0/en
Publication of GB2215474A publication Critical patent/GB2215474A/en
Application granted granted Critical
Publication of GB2215474B publication Critical patent/GB2215474B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB8804936A 1988-03-02 1988-03-02 Methods and apparatus for monitoring oscillating signals Expired - Lifetime GB2215474B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8804936A GB2215474B (en) 1988-03-02 1988-03-02 Methods and apparatus for monitoring oscillating signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8804936A GB2215474B (en) 1988-03-02 1988-03-02 Methods and apparatus for monitoring oscillating signals

Publications (3)

Publication Number Publication Date
GB8804936D0 GB8804936D0 (en) 1988-03-30
GB2215474A GB2215474A (en) 1989-09-20
GB2215474B true GB2215474B (en) 1992-01-02

Family

ID=10632688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8804936A Expired - Lifetime GB2215474B (en) 1988-03-02 1988-03-02 Methods and apparatus for monitoring oscillating signals

Country Status (1)

Country Link
GB (1) GB2215474B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9120003D0 (en) * 1991-09-19 1991-11-06 Ampy Automation Digilog Improvements in and relating to current devices
US8363371B2 (en) 2005-08-02 2013-01-29 Phoenix Contact Gmbh & Co. Kg Safety switching device for setting a safety-related device to a safe state

Also Published As

Publication number Publication date
GB2215474A (en) 1989-09-20
GB8804936D0 (en) 1988-03-30

Similar Documents

Publication Publication Date Title
GB8825795D0 (en) Apparatus for foetal monitoring
GB8905671D0 (en) Liquid volume monitoring apparatus and method
EP0489597A3 (en) Vibration monitoring methods and apparatus
GB8910419D0 (en) Monitoring apparatus
EP0417936A3 (en) Water-cut monitoring means and method
ZA893964B (en) Method and apparatus for encryptiong and decrypting time doman signals
GB8905624D0 (en) Monitoring system and apparatus
GB8814291D0 (en) Monitoring & alarm apparatus
GB2236183B (en) Orientation monitoring apparatus
GB2220743B (en) Measurement method and apparatus
GB8710658D0 (en) Monitoring apparatus
GB8926505D0 (en) Method and apparatus for transmitting signals
EP0428338A3 (en) Transducer monitoring apparatus and method
GB2215474B (en) Methods and apparatus for monitoring oscillating signals
GB2233520B (en) Frequency filtering apparatus
GB8926340D0 (en) Signal monitoring apparatus and method
GB2226413B (en) Monitoring method and apparatus
GB8814095D0 (en) Monitoring apparatus
GB2219086B (en) Monitoring apparatus
GB8929211D0 (en) Monitoring apparatus
EP0337868A3 (en) Method and apparatus for signal discrimination
GB8801460D0 (en) Warning apparatus
GB8815668D0 (en) Signal amplitude-determining apparatus
GB8900575D0 (en) Method and apparatus for monitoring video signals
GB8908145D0 (en) Cleaning apparatus and methods

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930302