GB1282352A - Measurement of time intervals by pulse counting - Google Patents

Measurement of time intervals by pulse counting

Info

Publication number
GB1282352A
GB1282352A GB22087/70D GB2208770D GB1282352A GB 1282352 A GB1282352 A GB 1282352A GB 22087/70 D GB22087/70 D GB 22087/70D GB 2208770 D GB2208770 D GB 2208770D GB 1282352 A GB1282352 A GB 1282352A
Authority
GB
United Kingdom
Prior art keywords
pulse
pulses
counter
time interval
generator
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
GB22087/70D
Other languages
English (en)
Inventor
Shosuke Sato
Shigera Saito
Saburo Kobayashi
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.)
Tokyo Keiki Inc
Original Assignee
Tokyo Keiki Co 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 Tokyo Keiki Co Ltd filed Critical Tokyo Keiki Co Ltd
Publication of GB1282352A publication Critical patent/GB1282352A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
GB22087/70D 1969-05-14 1970-05-07 Measurement of time intervals by pulse counting Expired GB1282352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44036691A JPS509518B1 (enExample) 1969-05-14 1969-05-14

Publications (1)

Publication Number Publication Date
GB1282352A true GB1282352A (en) 1972-07-19

Family

ID=12476824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22087/70D Expired GB1282352A (en) 1969-05-14 1970-05-07 Measurement of time intervals by pulse counting

Country Status (3)

Country Link
US (1) US3665309A (enExample)
JP (1) JPS509518B1 (enExample)
GB (1) GB1282352A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725655A (en) * 1971-06-24 1973-04-03 Ibm Media transport performance measurements
US4104590A (en) * 1976-11-30 1978-08-01 Sergei Vasilievich Zhevnerov Digital device for measuring instantaneous parameter values of slowly varying processes
US6621767B1 (en) * 1999-07-14 2003-09-16 Guide Technology, Inc. Time interval analyzer having real time counter

Also Published As

Publication number Publication date
JPS509518B1 (enExample) 1975-04-14
US3665309A (en) 1972-05-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee