| |
 |
Yuki Yoshikawa Patents |
|
Inventor: Yoshikawa; Yuki
Address: Tokyo, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6693529 |
Fire alarm system |
February 17, 2004 |
| In a fire alarm system, a plurality of terminal equipments are connected to a control panel. A memory is provided with each terminal equipment, which stores characteristic data indicating characteristics of the associated terminal equipment. The control panel establishes an initial confi |
| 6577233 |
Fire alarm system and terminal equipment in the same |
June 10, 2003 |
| In a fire alarm system, a plurality of terminal equipments are connected to a control panel. The terminal equipments include a first terminal equipment provided with a first mode in which the first terminal equipment is controlled by the control panel, and a second mode in which the firs |
| 6011478 |
Smoke sensor and monitor control system |
January 4, 2000 |
| A smoke sensor includes a light receiving unit for temporally alternately receiving scattered light of two different wavelengths .lambda..sub.1 and .lambda..sub.2 ; a calculating unit for performing a calculation required for smoke detection, on a scattered light output y of the waveleng |
|
|
|
