JPS5471311A - Frequency generator - Google Patents

Frequency generator

Info

Publication number
JPS5471311A
JPS5471311A JP13857277A JP13857277A JPS5471311A JP S5471311 A JPS5471311 A JP S5471311A JP 13857277 A JP13857277 A JP 13857277A JP 13857277 A JP13857277 A JP 13857277A JP S5471311 A JPS5471311 A JP S5471311A
Authority
JP
Japan
Prior art keywords
magnetic
permanent magnet
rotor
frequency
concentrically arranging
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
JP13857277A
Other languages
Japanese (ja)
Inventor
Akira Tsubouchi
Yoshiaki Igarashi
Isao Yamaguchi
Masaru Onishi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13857277A priority Critical patent/JPS5471311A/en
Publication of JPS5471311A publication Critical patent/JPS5471311A/en
Pending legal-status Critical Current

Links

Landscapes

  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

PURPOSE: To improve generation efficiency by concentrically arranging a number of permanent magnet materials on the surface of a magnetic rotor at specified pitches, while the magnetic surface of the magnetic rotor is partially left.
CONSTITUTION: For example, the rotor of a frequency generator is constructed by concentrically arranging a number of permanent magnet materials 10 relating to the axis of rotation 2 at specified pitches along all the outer end flat surface regions of a magnetic rotor 3 so that the magnetic surface 9 of the magnetic rotor 3 can be located between the adjacent permanent magnet materials 10. The generating strand as the stator of the frequency gnerator is constructed by concentrically arranging a generation coil 12 with a specified square wave-shaped pitch on an insulating plate 11 so that the magnetic surface 9 and permanent magnet material 10 can be proximity- opposed through the required air gap. An AC magnetic field due to the magnetic pole between the permanent magnet material 10 and the magnetic surface 9 is acuated on the generating coil 12 and frequency electromotive force is generated in proportion to the speed of rotation.
COPYRIGHT: (C)1979,JPO&Japio
JP13857277A 1977-11-17 1977-11-17 Frequency generator Pending JPS5471311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13857277A JPS5471311A (en) 1977-11-17 1977-11-17 Frequency generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13857277A JPS5471311A (en) 1977-11-17 1977-11-17 Frequency generator

Publications (1)

Publication Number Publication Date
JPS5471311A true JPS5471311A (en) 1979-06-07

Family

ID=15225258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13857277A Pending JPS5471311A (en) 1977-11-17 1977-11-17 Frequency generator

Country Status (1)

Country Link
JP (1) JPS5471311A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61184464A (en) * 1985-02-13 1986-08-18 Akai Electric Co Ltd Rotary speed detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61184464A (en) * 1985-02-13 1986-08-18 Akai Electric Co Ltd Rotary speed detector

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