JPH02123089U - - Google Patents

Info

Publication number

JPH02123089U

JPH02123089U JP3136789U JP3136789U JPH02123089U JP H02123089 U JPH02123089 U JP H02123089U JP 3136789 U JP3136789 U JP 3136789U JP 3136789 U JP3136789 U JP 3136789U JP H02123089 U JPH02123089 U JP H02123089U

Authority

JP

Japan

Prior art keywords

heater

applies

power supply

positive

alternating current

Prior art date

1989-03-22

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010586 diagram Methods 0.000 description 8
• 230000002457 bidirectional effect Effects 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 1