GB2271645B - Digital gate generation for a signal measurement instrument - Google Patents

Digital gate generation for a signal measurement instrument

Info

Publication number
GB2271645B
GB2271645B GB9321723A GB9321723A GB2271645B GB 2271645 B GB2271645 B GB 2271645B GB 9321723 A GB9321723 A GB 9321723A GB 9321723 A GB9321723 A GB 9321723A GB 2271645 B GB2271645 B GB 2271645B
Authority
GB
United Kingdom
Prior art keywords
signal measurement
measurement instrument
digital gate
gate generation
generation
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
GB9321723A
Other versions
GB2271645A (en
GB9321723D0 (en
Inventor
Atul Tambe
David Chu
Iii Lee D Cosart
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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
Priority claimed from US07/388,214 external-priority patent/US4996474A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of GB9321723D0 publication Critical patent/GB9321723D0/en
Publication of GB2271645A publication Critical patent/GB2271645A/en
Application granted granted Critical
Publication of GB2271645B publication Critical patent/GB2271645B/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
    • 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
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB9321723A 1989-07-31 1993-10-21 Digital gate generation for a signal measurement instrument Expired - Fee Related GB2271645B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/388,214 US4996474A (en) 1989-07-31 1989-07-31 Digital gate generation for a signal measurement instrument
GB9014223A GB2234825B (en) 1989-07-31 1990-06-26 Digital gate generation for a signal measurment instrument

Publications (3)

Publication Number Publication Date
GB9321723D0 GB9321723D0 (en) 1993-12-15
GB2271645A GB2271645A (en) 1994-04-20
GB2271645B true GB2271645B (en) 1994-08-10

Family

ID=26297252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9321723A Expired - Fee Related GB2271645B (en) 1989-07-31 1993-10-21 Digital gate generation for a signal measurement instrument

Country Status (1)

Country Link
GB (1) GB2271645B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112358A (en) * 1976-04-09 1978-09-05 Takeda Riken Kogyo Kabushikikaisha Digital frequency measuring device
US4544884A (en) * 1982-09-13 1985-10-01 Takeda Riken Co., Ltd. Period and frequency measuring instrument
US4609990A (en) * 1984-08-06 1986-09-02 General Electric Company Frequency measurement system
US4672556A (en) * 1984-09-17 1987-06-09 Sundstrand Corporation Frequency detector system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112358A (en) * 1976-04-09 1978-09-05 Takeda Riken Kogyo Kabushikikaisha Digital frequency measuring device
US4544884A (en) * 1982-09-13 1985-10-01 Takeda Riken Co., Ltd. Period and frequency measuring instrument
US4609990A (en) * 1984-08-06 1986-09-02 General Electric Company Frequency measurement system
US4672556A (en) * 1984-09-17 1987-06-09 Sundstrand Corporation Frequency detector system

Also Published As

Publication number Publication date
GB2271645A (en) 1994-04-20
GB9321723D0 (en) 1993-12-15

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Legal Events

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

Effective date: 19990626