Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VISITOR REPORTING DEVICE FOR EYESIGHT AND HEARING DISABLED PERSON
Document Type and Number:
Japanese Patent JPH1139573
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To surely recognize a visitor by a door knock anywhere by combining a transmission means capable of transmission from a transmission circuit and a reception means for capturing signals by an electronic circuit for reception and simultaneously or separately operating a xenon discharge tube and a sounding body. SOLUTION: The impact sensor of a transmitter is installed to the inner side of a door and a receiver 16 is installed to respective rooms. When the visitor comes and knocks the door, the impact sensor senses the impact and in the case of judging it as a knock signal in an erroneous operation prevention circuit further, an LED display device is lighted and sound is emitted by the sounding body. In the meantime, the signal is sent from the erroneous operation prevention circuit to an identification ID generation circuit and transmitted from the transmission circuit. The reception circuit of the receiver 16 receives the signal, whether it is just noise or the signal is judged again, an ID code is collated, and only when it matches, light by the xenon discharge tube 22a and the sound by the sounding body 23a are simultaneously or separately emitted and the visitor is reported.

Inventors:
AONO YUTAKA
UCHIDA YUKIHIRO
Application Number:
JP22417197A
Publication Date:
February 12, 1999
Filing Date:
July 15, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AONO YUTAKA
DAIWA SHOJI CO LTD
International Classes:
G08B5/00; G08B7/00; (IPC1-7): G08B7/00; G08B5/00
Attorney, Agent or Firm:
Mukawa



 
Previous Patent: SIGNAL INDICATING LAMP

Next Patent: JPH01139574