Title:
PYROELECTRIC INFRARED SENSOR
Document Type and Number:
Japanese Patent JP2000266596
Kind Code:
A
Abstract:
To provide a pyroelectric infrared sensor capable of preventing misinformation with respect to the ambient temperature change in terms of a pyroelectric infrared sensor for detecting infrared rays.
This pyroelectric infrared sensor comprises a pair of pyroelectric bodies 1a, 1b each having a polarization axis in the identical direction, light receiving electrodes 3a, 3b and lower electrodes 2a, 2b which are provided on front surfaces and rear surfaces of the pyroelectric bodies 1a, 1b, respectively and a resistor 5 wherein one end thereof is electrically connected to the lower electrodes 2a, 2b and the other end thereof is electrically connected to the ground.
Inventors:
FUJIKAWA KAZUHIKO
MASUTANI TAKESHI
NAKANISHI TSUTOMU
NOMURA KOJI
MASUTANI TAKESHI
NAKANISHI TSUTOMU
NOMURA KOJI
Application Number:
JP7334799A
Publication Date:
September 29, 2000
Filing Date:
March 18, 1999
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01L37/02; G01J1/02; G01J5/02; G01J5/34; (IPC1-7): G01J1/02; G01J5/02; H01L37/02
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)