JPS5471969A - Lithium tantalate temperature compensating oscillator - Google Patents

Lithium tantalate temperature compensating oscillator

Info

Publication number
JPS5471969A
JPS5471969A JP13891077A JP13891077A JPS5471969A JP S5471969 A JPS5471969 A JP S5471969A JP 13891077 A JP13891077 A JP 13891077A JP 13891077 A JP13891077 A JP 13891077A JP S5471969 A JPS5471969 A JP S5471969A
Authority
JP
Japan
Prior art keywords
order
symmetrical
piezo
mode
electric plate
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
JP13891077A
Other languages
Japanese (ja)
Other versions
JPS5535003B2 (en
Inventor
Takehiko Uno
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP13891077A priority Critical patent/JPS5471969A/en
Publication of JPS5471969A publication Critical patent/JPS5471969A/en
Publication of JPS5535003B2 publication Critical patent/JPS5535003B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE: To improve oscillated frequency temperature characteristic considerably with reducing the amount used of a piezo-electric plate and facilitating production by forming two energy shutting vibrators, which have peak temperature different from each other, on one piezo-electric plate at the same time.
CONSTITUTION: 0-order symmetrical and 0-order oblique symmetrical mode energy shutting vibrators are formed on one LiTaO3 piezo-electric plate 1, and exciting electrode 2 of one vibrator is divided into two to generate 0-order symmetrical mode resonance. Exciting electrode 2 of the other vibrator is divided into three and is made into a vibrator where 0-order oblique symmetrical resonance is generated. At this time, these vibtators are formed at a prescribed interval so that they cannot couple elastically, and a Y plate obtained by rotating LiTaO3 at 164° is used as the piezo-electric plate. Thus, dependently upon the peak temperature difference between the 0-order symmetrical SO mode and the 0-order oblique symmetrical AO mode, the temperature characteristic of oscillated frequencies becomes considerably good in comparison with single SO or AO. However, since the temperature characteristic of vibrators has a downward concave, it is necessary that the load impedance is inductive.
COPYRIGHT: (C)1979,JPO&Japio
JP13891077A 1977-11-21 1977-11-21 Lithium tantalate temperature compensating oscillator Granted JPS5471969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13891077A JPS5471969A (en) 1977-11-21 1977-11-21 Lithium tantalate temperature compensating oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13891077A JPS5471969A (en) 1977-11-21 1977-11-21 Lithium tantalate temperature compensating oscillator

Publications (2)

Publication Number Publication Date
JPS5471969A true JPS5471969A (en) 1979-06-08
JPS5535003B2 JPS5535003B2 (en) 1980-09-11

Family

ID=15232987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13891077A Granted JPS5471969A (en) 1977-11-21 1977-11-21 Lithium tantalate temperature compensating oscillator

Country Status (1)

Country Link
JP (1) JPS5471969A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0574961U (en) * 1992-03-20 1993-10-12 東洋運搬機株式会社 Safety equipment for cargo handling vehicles

Also Published As

Publication number Publication date
JPS5535003B2 (en) 1980-09-11

Similar Documents

Publication Publication Date Title
JPS53145595A (en) Elastic surface wave oscillator
JPS5574290A (en) Skelton type receiver
JPS5291669A (en) Piezoelectric vibrator
JPS51124355A (en) Crystal oscillation circuit
JPS5471969A (en) Lithium tantalate temperature compensating oscillator
JPS54131894A (en) Piezoelectric oscillator
Budreau et al. Frequency synthesizer using acoustic surface-wave filters
JPS55100993A (en) Supersonic plating
JPS5432363A (en) Crystal oscillation type wristwatch
FR2235532A1 (en) Adjustable frequency piezo-electric filter - material resonance is obtained by exciting through range of impedance modes
JPS5355181A (en) Balance
JPS52140289A (en) Thickness shear crystal oscillator
JPS537162A (en) Crystal-vibrator oscillator
JPS52150615A (en) Ultrasonic probe
JPS526409A (en) Electronic scanning type ultrasonic deflection system
JPS5640316A (en) Ladder type ceramic filter
JPS55166083A (en) Time standard generating system
JPS562724A (en) Slip wave vibrating unit
JPS51126785A (en) Frequency-adjusting method of thickness-shear-crystal vibration use cr ystal piece
JPS5375887A (en) Frequency adjuster of vibrator
JPS5384594A (en) Frequency adjusting method for diapason type crystal oscillator
JPS5332690A (en) Tuning fork type piezoelectric vibrator
JPS5636085A (en) Time-base generator
JPS55127719A (en) Ladder-type ceramic filter
JPS5291686A (en) Thickness slide crystal vibrator