Title:
UNLOCK DEVICE
Document Type and Number:
Japanese Patent JP2878002
Kind Code:
B2
Abstract:
PURPOSE: To highly keep the secret of data by specially providing the card reader writer of a controlling IC card in an unlock device. and judging the truth of a personal IC card by means of the controlling IC card as one of the unlocking condition.
CONSTITUTION: The unlock device is constituted so that at fist a display device 2, a tenkey 3 for inputting a PIN (personal ID code), a personal IC card reader writer 5, and an annunciator 6 provided with a buzzer and the like, are arranged on the surface of the case of a main body, and a controlling IC card reader writer 7 is arranged in the case. Next, the controlling IC card is previously charged, so as to judge the truth of personal IC card 11, and further whether a previously memorized entry admissuion data is effective or not is judged by an entry condition judging means 14 and a code judging means 15. In the case of need of specially severe check, the PIN is memorized in the personal IC card 11, it is collated with input PIN, and after clearing all these judgments the door is opened.
Inventors:
YOSHIOKA TSUTOMU
OOSHIO MASATOSHI
NISHIKUNI TADAHIKO
KOBAYASHI JINICHI
WATANABE TAKESHI
HAMANO ATSUHIRO
OOSHIO MASATOSHI
NISHIKUNI TADAHIKO
KOBAYASHI JINICHI
WATANABE TAKESHI
HAMANO ATSUHIRO
Application Number:
JP27337191A
Publication Date:
April 05, 1999
Filing Date:
September 24, 1991
Export Citation:
Assignee:
ENU TEI TEI DEETA KK
TATSUNO MEKATORONIKUSU KK
TATSUNO MEKATORONIKUSU KK
International Classes:
E05B47/00; E05B49/00; B42D15/10; G06Q50/00; G06Q50/16; G07C9/00; (IPC1-7): E05B49/00
Domestic Patent References:
| JP62160382A | ||||
| JP58120972A |
Attorney, Agent or Firm:
Kubo Tsukasa