JPS59156207U

JPS59156207U - scanning device

Info

Publication number: JPS59156207U
Application number: JP5032283U
Authority: JP
Inventors: 音川　光弘
Original assignee: キヤノン株式会社
Priority date: 1983-04-04
Filing date: 1983-04-04
Publication date: 1984-10-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は弾性振動子の表面弾性波を利用した超音波モー
タの原理説明図、第２図は超音波モータの駆動方法の説
明図、第３図は超音波モータを駆動源として使用した本
考案に係る走査装置の一実施例として、ビデオ・カメラ
の例を示すブロック図である。２・・・・・・走査手段、５．８・・・・・・走査手段
に対する制御手段、３．４・・・・・・走査情報処理手
段、６．７・・・・・・周波数信号発生回路、１１・・
・・・・振動型（超音波）モータ、１・・・・・・ズー
ム・レンズ、１０・・・・・・モータ駆動用信号形成回
路。Figure 1 is an explanatory diagram of the principle of an ultrasonic motor that uses the surface acoustic waves of an elastic vibrator, Figure 2 is an explanatory diagram of the driving method of an ultrasonic motor, and Figure 3 is a book that uses an ultrasonic motor as a drive source. 1 is a block diagram showing an example of a video camera as an embodiment of the scanning device according to the invention; FIG. 2... Scanning means, 5.8... Control means for scanning means, 3.4... Scanning information processing means, 6.7... Frequency signal Generation circuit, 11...
. . . Vibration type (ultrasonic) motor, 1 . . . Zoom lens, 10 . . . Motor drive signal forming circuit.

Claims

[Scope of utility model registration request]

a frequency signal generation circuit that generates a frequency signal for controlling the scanning means, for forming scanning information, or for processing scanning information; a vibration type motor as a drive source for driving the movable member; A scanning device comprising a motor driving signal forming circuit that forms a driving signal for the motor based on the frequency signal from the frequency signal generating circuit.