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GB2242985B - Calibrator - Google Patents

Calibrator

Info

Publication number
GB2242985B
GB2242985B GB9105404A GB9105404A GB2242985B GB 2242985 B GB2242985 B GB 2242985B GB 9105404 A GB9105404 A GB 9105404A GB 9105404 A GB9105404 A GB 9105404A GB 2242985 B GB2242985 B GB 2242985B
Authority
GB
United Kingdom
Prior art keywords
calibrator
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 - Fee Related
Application number
GB9105404A
Other versions
GB2242985A (en
GB9105404D0 (en
Inventor
John Errol Brown
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB9105404D0 publication Critical patent/GB9105404D0/en
Publication of GB2242985A publication Critical patent/GB2242985A/en
Application granted granted Critical
Publication of GB2242985B publication Critical patent/GB2242985B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB9105404A 1990-03-14 1991-03-14 Calibrator Expired - Fee Related GB2242985B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909005766A GB9005766D0 (en) 1990-03-14 1990-03-14 Calibrator

Publications (3)

Publication Number Publication Date
GB9105404D0 GB9105404D0 (en) 1991-05-01
GB2242985A GB2242985A (en) 1991-10-16
GB2242985B true GB2242985B (en) 1993-11-17

Family

ID=10672627

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909005766A Pending GB9005766D0 (en) 1990-03-14 1990-03-14 Calibrator
GB9105404A Expired - Fee Related GB2242985B (en) 1990-03-14 1991-03-14 Calibrator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909005766A Pending GB9005766D0 (en) 1990-03-14 1990-03-14 Calibrator

Country Status (1)

Country Link
GB (2) GB9005766D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110187299B (en) * 2019-06-13 2024-05-07 中国人民解放军空军工程大学航空机务士官学校 General calibration system for electrical parameters of aviation support equipment
CN112924915B (en) * 2021-01-27 2023-11-21 云南电网有限责任公司电力科学研究院 Mutual calibration system and method for voltage monitors

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control

Also Published As

Publication number Publication date
GB2242985A (en) 1991-10-16
GB9005766D0 (en) 1990-05-09
GB9105404D0 (en) 1991-05-01

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Legal Events

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

Effective date: 19970314