CA591358A - Automatic volume control systems for seismograph amplifiers - Google Patents

Automatic volume control systems for seismograph amplifiers

Info

Publication number
CA591358A
CA591358A CA591358A CA591358DA CA591358A CA 591358 A CA591358 A CA 591358A CA 591358 A CA591358 A CA 591358A CA 591358D A CA591358D A CA 591358DA CA 591358 A CA591358 A CA 591358A
Authority
CA
Canada
Prior art keywords
control systems
volume control
automatic volume
seismograph
amplifiers
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
CA591358A
Inventor
Bardeen Thomas
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.)
Gulf Research and Development Co
Original Assignee
Gulf Research and Development Co
Publication date
Application granted granted Critical
Publication of CA591358A publication Critical patent/CA591358A/en
Expired legal-status Critical Current

Links

CA591358A Automatic volume control systems for seismograph amplifiers Expired CA591358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA591358T

Publications (1)

Publication Number Publication Date
CA591358A true CA591358A (en) 1960-01-26

Family

ID=35804893

Family Applications (1)

Application Number Title Priority Date Filing Date
CA591358A Expired CA591358A (en) Automatic volume control systems for seismograph amplifiers

Country Status (1)

Country Link
CA (1) CA591358A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188575A (en) * 1961-10-16 1965-06-08 Western Geophysical Co Automatic volume control system for seismograph amplifier system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188575A (en) * 1961-10-16 1965-06-08 Western Geophysical Co Automatic volume control system for seismograph amplifier system

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