GB1396335A - Digital synchronizer system for remotely synchronizing operation - Google Patents

Digital synchronizer system for remotely synchronizing operation

Info

Publication number
GB1396335A
GB1396335A GB3900672A GB3900672A GB1396335A GB 1396335 A GB1396335 A GB 1396335A GB 3900672 A GB3900672 A GB 3900672A GB 3900672 A GB3900672 A GB 3900672A GB 1396335 A GB1396335 A GB 1396335A
Authority
GB
United Kingdom
Prior art keywords
shot
phase
amplifier
zeroes
sequence
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
GB3900672A
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.)
Petty-Ray Geophysical Inc
Original Assignee
Petty-Ray Geophysical Inc
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 Petty-Ray Geophysical Inc filed Critical Petty-Ray Geophysical Inc
Publication of GB1396335A publication Critical patent/GB1396335A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02—Generating seismic energy
    • G01V1/04—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)
GB3900672A 1971-08-27 1972-08-22 Digital synchronizer system for remotely synchronizing operation Expired GB1396335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17547171A 1971-08-27 1971-08-27

Publications (1)

Publication Number Publication Date
GB1396335A true GB1396335A (en) 1975-06-04

Family

ID=22640347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3900672A Expired GB1396335A (en) 1971-08-27 1972-08-22 Digital synchronizer system for remotely synchronizing operation

Country Status (7)

Country Link
AR (1) AR192813A1 (de)
AU (1) AU4518472A (de)
BR (1) BR7205735D0 (de)
CA (1) CA982272A (de)
DE (1) DE2241811B2 (de)
FR (1) FR2151910A5 (de)
GB (1) GB1396335A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453299C3 (de) * 1974-11-11 1981-08-20 Rainer Dipl.-Phys. Dr. 7759 Immenstaad Gerlich Verfahren zur zeitlichen Korrelierung von an verschiedenen Orten aufgezeichneten Meßwerten
DE2919753A1 (de) * 1979-05-16 1980-11-27 Bbc Brown Boveri & Cie Einrichtung zur automatischen identifizierung von objekten und/oder lebewesen
DE3009179A1 (de) * 1980-03-11 1981-09-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und vorrichtung zur erzeugung des antwortsignals einer einrichtung zur automatischen indentifizierung von objekten und/oder lebewesen

Also Published As

Publication number Publication date
DE2241811A1 (de) 1973-03-15
AR192813A1 (es) 1973-03-14
FR2151910A5 (de) 1973-04-20
DE2241811B2 (de) 1977-06-23
AU4518472A (en) 1974-02-07
CA982272A (en) 1976-01-20
BR7205735D0 (pt) 1973-07-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees