Aug 28, 2008 #1 alec82 Advanced Member level 4 Joined Oct 25, 2006 Messages 118 Helped 12 Reputation 24 Reaction score 4 Trophy points 1,298 Activity points 1,874 dear friends anybody know anythings about sensors using in automatic door best regards
Aug 31, 2008 #2 webdog Advanced Member level 4 Joined Nov 13, 2001 Messages 100 Helped 16 Reputation 32 Reaction score 4 Trophy points 1,298 Activity points 1,087 These used to be doppler radar, driving by with your speed radar warning receiver would be trigged by these! Other units uses a simple IR ray, and when broken will open door. These are in use on buses. /WD
These used to be doppler radar, driving by with your speed radar warning receiver would be trigged by these! Other units uses a simple IR ray, and when broken will open door. These are in use on buses. /WD
Aug 31, 2008 #3 amol_shah Full Member level 3 Joined Apr 21, 2008 Messages 151 Helped 31 Reputation 62 Reaction score 15 Trophy points 1,298 Location Nasik Activity points 2,034 even simple limit switches are also used in automatic doors, reed relay along with magnet can also be used tell us exactly what is your requirement
even simple limit switches are also used in automatic doors, reed relay along with magnet can also be used tell us exactly what is your requirement
Sep 4, 2008 #4 E eziggurat Full Member level 6 Joined Feb 15, 2002 Messages 320 Helped 30 Reputation 62 Reaction score 18 Trophy points 1,298 Activity points 2,931 I am currently working with software for the door controller and our client use infrared sensors that are not susceptible to sunlight.
I am currently working with software for the door controller and our client use infrared sensors that are not susceptible to sunlight.
Sep 5, 2008 #5 amol_shah Full Member level 3 Joined Apr 21, 2008 Messages 151 Helped 31 Reputation 62 Reaction score 15 Trophy points 1,298 Location Nasik Activity points 2,034 thats the problem with photo receivers they get saturated, you should use TSOP 1738 receiver so the transmitter signal has to be modulated at 36Hhz
thats the problem with photo receivers they get saturated, you should use TSOP 1738 receiver so the transmitter signal has to be modulated at 36Hhz
Sep 17, 2008 #6 E eziggurat Full Member level 6 Joined Feb 15, 2002 Messages 320 Helped 30 Reputation 62 Reaction score 18 Trophy points 1,298 Activity points 2,931 Sensor manufacturers are optex and BEA.