JPS6429589A - Card lock - Google Patents

Card lock

Info

Publication number
JPS6429589A
JPS6429589A JP18495487A JP18495487A JPS6429589A JP S6429589 A JPS6429589 A JP S6429589A JP 18495487 A JP18495487 A JP 18495487A JP 18495487 A JP18495487 A JP 18495487A JP S6429589 A JPS6429589 A JP S6429589A
Authority
JP
Japan
Prior art keywords
card
slot
pulses
switch
clock pulses
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
JP18495487A
Other languages
Japanese (ja)
Other versions
JP2540873B2 (en
Inventor
Hisato Takahashi
Junzo Asami
Kazuo Mizutani
Hiroyuki Ito
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 JP62184954A priority Critical patent/JP2540873B2/en
Publication of JPS6429589A publication Critical patent/JPS6429589A/en
Application granted granted Critical
Publication of JP2540873B2 publication Critical patent/JP2540873B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

PURPOSE: To reduce costs by verifying the sufficient insertion of a card into a card reader on the basis of clock pulses and data pulses outputted from the card reader and eliminating the need for a switch for detecting the completion of insertion. CONSTITUTION: A slot 3 into which a magnetic card 2 is inserted is provided at the front surface of a housing 1, a card insertion detecting switch 4 is provided at the entrance of the slot 3, and a magnetic head 5 is provided inside the slot 3. Next, the card 2 is inserted to turn the switch 4 on, and card data is reproduced on the basis of clock pulses and data pulses outputted from the head 5. Then the sufficient insertion of the card 2 is detected by counting the number of the clock pulses only when a signal indicating that the card 4 is in operation is in an ON state and verifying that the number of continuously generated card pulses is equal to a number generated at a normal time or more. Therefore, it is possible to reduce costs.
JP62184954A 1987-07-24 1987-07-24 Card lock Expired - Lifetime JP2540873B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62184954A JP2540873B2 (en) 1987-07-24 1987-07-24 Card lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62184954A JP2540873B2 (en) 1987-07-24 1987-07-24 Card lock

Publications (2)

Publication Number Publication Date
JPS6429589A true JPS6429589A (en) 1989-01-31
JP2540873B2 JP2540873B2 (en) 1996-10-09

Family

ID=16162255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62184954A Expired - Lifetime JP2540873B2 (en) 1987-07-24 1987-07-24 Card lock

Country Status (1)

Country Link
JP (1) JP2540873B2 (en)

Also Published As

Publication number Publication date
JP2540873B2 (en) 1996-10-09

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