CA2048400A1 - Vibration driven motor - Google Patents

Vibration driven motor

Info

Publication number
CA2048400A1
CA2048400A1 CA 2048400 CA2048400A CA2048400A1 CA 2048400 A1 CA2048400 A1 CA 2048400A1 CA 2048400 CA2048400 CA 2048400 CA 2048400 A CA2048400 A CA 2048400A CA 2048400 A1 CA2048400 A1 CA 2048400A1
Authority
CA
Canada
Prior art keywords
electro
energy conversion
mechanical energy
vibration
vibration member
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.)
Granted
Application number
CA 2048400
Other languages
French (fr)
Other versions
CA2048400C (en
Inventor
Takayuki Tsukimoto
Takashi Maeno
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.)
Canon Inc
Original Assignee
Individual
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 JP2206234A external-priority patent/JPH0491669A/en
Priority claimed from JP2206231A external-priority patent/JP2633072B2/en
Application filed by Individual filed Critical Individual
Publication of CA2048400A1 publication Critical patent/CA2048400A1/en
Application granted granted Critical
Publication of CA2048400C publication Critical patent/CA2048400C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

In an ultrasonic motor wherein a driving signal is applied to an electro-mechanical energy conversion element provided in a vibration member to thereby excite flexural vibrations of the same shape in the two different planes of the vibration member with a phase difference in time and thereby create rotational motion on the surface of the vibration member, thus frictionally driving a movable member which is in pressure contact with the vibration forming surface, electro-mechanical energy conversion elements for exciting the flexural vibrations are each disposed at a position whereat the sum totals of strains created in the electro-mechanical energy conversion elements are substantially equal to each other.
CA 2048400 1990-08-03 1991-08-02 Vibration driven motor Expired - Lifetime CA2048400C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2-206231 1990-08-03
JP2-206234 1990-08-03
JP2206234A JPH0491669A (en) 1990-08-03 1990-08-03 Supersonic motor
JP2206231A JP2633072B2 (en) 1990-08-03 1990-08-03 Vibration wave driving device and device using vibration wave driving device

Publications (2)

Publication Number Publication Date
CA2048400A1 true CA2048400A1 (en) 1992-02-04
CA2048400C CA2048400C (en) 1996-07-16

Family

ID=26515520

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2048400 Expired - Lifetime CA2048400C (en) 1990-08-03 1991-08-02 Vibration driven motor

Country Status (1)

Country Link
CA (1) CA2048400C (en)

Also Published As

Publication number Publication date
CA2048400C (en) 1996-07-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202