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JPS5232379A - Magnetic detection device of locks using magnet - Google Patents

Magnetic detection device of locks using magnet

Info

Publication number
JPS5232379A
JPS5232379A JP50108296A JP10829675A JPS5232379A JP S5232379 A JPS5232379 A JP S5232379A JP 50108296 A JP50108296 A JP 50108296A JP 10829675 A JP10829675 A JP 10829675A JP S5232379 A JPS5232379 A JP S5232379A
Authority
JP
Japan
Prior art keywords
locks
magnet
detection device
magnetic detection
magnetism
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
JP50108296A
Other languages
Japanese (ja)
Other versions
JPS5944475B2 (en
Inventor
Yoshitomo Ezure
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.)
Individual
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
Application filed by Individual filed Critical Individual
Priority to JP50108296A priority Critical patent/JPS5944475B2/en
Publication of JPS5232379A publication Critical patent/JPS5232379A/en
Publication of JPS5944475B2 publication Critical patent/JPS5944475B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measuring Magnetic Variables (AREA)

Abstract

PURPOSE:Arrangement is so made that the magnetism of the magnets displaced in order can be detected simply by inserting a detecting bar using a magnetism-electricity converting element into the key hole of a lock using magnets, whereby manufacture of plural keys is made possible only by the key hole of the lock.
JP50108296A 1975-09-06 1975-09-06 Magnetic detection device for locks using magnets Expired JPS5944475B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50108296A JPS5944475B2 (en) 1975-09-06 1975-09-06 Magnetic detection device for locks using magnets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50108296A JPS5944475B2 (en) 1975-09-06 1975-09-06 Magnetic detection device for locks using magnets

Publications (2)

Publication Number Publication Date
JPS5232379A true JPS5232379A (en) 1977-03-11
JPS5944475B2 JPS5944475B2 (en) 1984-10-30

Family

ID=14481076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50108296A Expired JPS5944475B2 (en) 1975-09-06 1975-09-06 Magnetic detection device for locks using magnets

Country Status (1)

Country Link
JP (1) JPS5944475B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0453808Y2 (en) * 1984-12-19 1992-12-17

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS485784U (en) * 1971-03-25 1973-01-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS485784U (en) * 1971-03-25 1973-01-23

Also Published As

Publication number Publication date
JPS5944475B2 (en) 1984-10-30

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Legal Events

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Effective date: 20050419

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Effective date: 20051004