JPS5553727A - Keyboard encorder - Google Patents

Keyboard encorder

Info

Publication number
JPS5553727A
JPS5553727A JP12594678A JP12594678A JPS5553727A JP S5553727 A JPS5553727 A JP S5553727A JP 12594678 A JP12594678 A JP 12594678A JP 12594678 A JP12594678 A JP 12594678A JP S5553727 A JPS5553727 A JP S5553727A
Authority
JP
Japan
Prior art keywords
key
magnet
magnetic field
arrow
hall
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
JP12594678A
Other languages
Japanese (ja)
Other versions
JPS5636450B2 (en
Inventor
Fumiaki Sai
Toshio Yomo
Zenichi Kitao
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP12594678A priority Critical patent/JPS5553727A/en
Publication of JPS5553727A publication Critical patent/JPS5553727A/en
Publication of JPS5636450B2 publication Critical patent/JPS5636450B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To enhance the operation assuredness and the operation tolerance (prevention of chattering) at the slow keying time by applying the low-cost key input unit using the analog output type Hall IC or the like.
CONSTITUTION: Matrix circuit 1 is formed by row lines X0WX3 plus column lines Y0WY3, and 16 units of key input units K00WK33 are connected at the intersections between these rows and columns. And these input units consist of the contractless switches using analog output type Hall IC 50. Unit K is generally consists of magnet 52 adhered to key 51, Hall device 53 opposing to magnet 52, differential amplifier 54 to amplify the output of device 53, output transistor 55 connected in the open emitter form, and others. When key 51 is at the prescrived position shown in the figures, the magnetic field of magnet 52 is applied in the direction of arrow (a) to device 53. And the effective magnetic field becomes zero at a certain position as key 51 is pressed. With further press of key 51, the magnetic field of megnet 52 affects in the direction of arrow (b) and becomes maximum with the key pressed down to the lower limit position.
COPYRIGHT: (C)1980,JPO&Japio
JP12594678A 1978-10-13 1978-10-13 Keyboard encorder Granted JPS5553727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12594678A JPS5553727A (en) 1978-10-13 1978-10-13 Keyboard encorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12594678A JPS5553727A (en) 1978-10-13 1978-10-13 Keyboard encorder

Publications (2)

Publication Number Publication Date
JPS5553727A true JPS5553727A (en) 1980-04-19
JPS5636450B2 JPS5636450B2 (en) 1981-08-24

Family

ID=14922878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12594678A Granted JPS5553727A (en) 1978-10-13 1978-10-13 Keyboard encorder

Country Status (1)

Country Link
JP (1) JPS5553727A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044212A (en) * 1989-02-17 1991-09-03 Mitsubishi Denki K.K. Coaxial engine starter
US5370009A (en) * 1992-03-19 1994-12-06 Mitsubishi Denki Kabushiki Kaisha Starting motor
US5684334A (en) * 1994-09-29 1997-11-04 Mitsubishi Denki Kabushiki Kaisha Starter device having pinion movement stopper mechanism formed at the helical splines of the output shaft and having reduced diameter thrust washer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024025A (en) * 1973-07-04 1975-03-14
JPS5081627A (en) * 1973-11-21 1975-07-02
JPS51140514A (en) * 1975-05-30 1976-12-03 Alps Electric Co Ltd Signal processing circuit of no-contact

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024025A (en) * 1973-07-04 1975-03-14
JPS5081627A (en) * 1973-11-21 1975-07-02
JPS51140514A (en) * 1975-05-30 1976-12-03 Alps Electric Co Ltd Signal processing circuit of no-contact

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5044212A (en) * 1989-02-17 1991-09-03 Mitsubishi Denki K.K. Coaxial engine starter
US5370009A (en) * 1992-03-19 1994-12-06 Mitsubishi Denki Kabushiki Kaisha Starting motor
US5684334A (en) * 1994-09-29 1997-11-04 Mitsubishi Denki Kabushiki Kaisha Starter device having pinion movement stopper mechanism formed at the helical splines of the output shaft and having reduced diameter thrust washer

Also Published As

Publication number Publication date
JPS5636450B2 (en) 1981-08-24

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