Title:
INPUT DEVICE AND ELECTROMAGNETIC INDUCTING HEATING APPARATUS PROVIDING THE SAME
Document Type and Number:
Japanese Patent JP3242834
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To attain low cost conversion in a device by improving the operability of the device.
SOLUTION: Thick film resistances 6a, 6b, 6c and 6d are provided so as to face a key 3. The thick film resistances 6a, 6b, 6c and 6d constitute a bridge circuit. When the key 3 is pressed, the thick resistance corresponding to a pressed part is deviated and the resistance value of the thick film resistance is changed. At this time, the bridge circuit generates an output voltage corresponding to the change quantity of the resistance value. A clock counter sets a counter value based on the output value. Thus, the counter value is set based on the pressing force as against the key 3. Keys 4a and 4b and electrodes 5a and 5b formed by curbon printing, etc., are provided so as to be electrically brought into contact respectively by pressure from an external part.
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Inventors:
Minoru Shoda
Application Number:
JP6348196A
Publication Date:
December 25, 2001
Filing Date:
March 19, 1996
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H05B6/12; G06F3/023; H03M11/10; H03M11/12; (IPC1-7): G06F3/023; H03M11/10; H03M11/12; H05B6/12
Domestic Patent References:
| JP298530U |
Attorney, Agent or Firm:
Kenzo Hara