TW343285B - High resolution geophone - Google Patents

High resolution geophone

Info

Publication number
TW343285B
TW343285B TW084108640A TW84108640A TW343285B TW 343285 B TW343285 B TW 343285B TW 084108640 A TW084108640 A TW 084108640A TW 84108640 A TW84108640 A TW 84108640A TW 343285 B TW343285 B TW 343285B
Authority
TW
Taiwan
Prior art keywords
spring
magnet assembly
housing
relative
washer
Prior art date
Application number
TW084108640A
Other languages
English (en)
Inventor
Ming-Kwong Woo Daniel
Original Assignee
Shaw Ind 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
Priority claimed from US08/278,022 external-priority patent/US5469408A/en
Priority claimed from US08/277,603 external-priority patent/US5450375A/en
Application filed by Shaw Ind Ltd filed Critical Shaw Ind Ltd
Application granted granted Critical
Publication of TW343285B publication Critical patent/TW343285B/zh

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
TW084108640A 1994-07-20 1994-10-22 High resolution geophone TW343285B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/278,022 US5469408A (en) 1994-07-20 1994-07-20 High resolution geophone
US08/277,603 US5450375A (en) 1994-07-20 1994-07-20 Geophone shock absorber

Publications (1)

Publication Number Publication Date
TW343285B true TW343285B (en) 1998-10-21

Family

ID=51566646

Family Applications (2)

Application Number Title Priority Date Filing Date
TW83109818A TW314596B (zh) 1994-07-20 1994-10-22
TW084108640A TW343285B (en) 1994-07-20 1994-10-22 High resolution geophone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW83109818A TW314596B (zh) 1994-07-20 1994-10-22

Country Status (1)

Country Link
TW (2) TW314596B (zh)

Also Published As

Publication number Publication date
TW314596B (zh) 1997-09-01

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