JPS5284785A - Altimeter - Google Patents

Altimeter

Info

Publication number
JPS5284785A
JPS5284785A JP104376A JP104376A JPS5284785A JP S5284785 A JPS5284785 A JP S5284785A JP 104376 A JP104376 A JP 104376A JP 104376 A JP104376 A JP 104376A JP S5284785 A JPS5284785 A JP S5284785A
Authority
JP
Japan
Prior art keywords
altimeter
detecting
detected
changes
atmospheric pressure
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.)
Pending
Application number
JP104376A
Other languages
Japanese (ja)
Inventor
Mutsuto Tezuka
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP104376A priority Critical patent/JPS5284785A/en
Publication of JPS5284785A publication Critical patent/JPS5284785A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

PURPOSE: Altitude differences are detected at high accuracy by detecting the changes in oscillation frequency of a crystal resonator owing to atmospheric pressure.
COPYRIGHT: (C)1977,JPO&Japio
JP104376A 1976-01-06 1976-01-06 Altimeter Pending JPS5284785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP104376A JPS5284785A (en) 1976-01-06 1976-01-06 Altimeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP104376A JPS5284785A (en) 1976-01-06 1976-01-06 Altimeter

Publications (1)

Publication Number Publication Date
JPS5284785A true JPS5284785A (en) 1977-07-14

Family

ID=11490521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP104376A Pending JPS5284785A (en) 1976-01-06 1976-01-06 Altimeter

Country Status (1)

Country Link
JP (1) JPS5284785A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010261798A (en) * 2009-05-07 2010-11-18 Seiko Epson Corp Attitude detection apparatus, attitude control apparatus, and control method of attitude control apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010261798A (en) * 2009-05-07 2010-11-18 Seiko Epson Corp Attitude detection apparatus, attitude control apparatus, and control method of attitude control apparatus

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