JPS55107480A - Electro-static recording head - Google Patents
Electro-static recording headInfo
- Publication number
- JPS55107480A JPS55107480A JP1477879A JP1477879A JPS55107480A JP S55107480 A JPS55107480 A JP S55107480A JP 1477879 A JP1477879 A JP 1477879A JP 1477879 A JP1477879 A JP 1477879A JP S55107480 A JPS55107480 A JP S55107480A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- electrode
- voltage
- limiting
- missing
- Prior art date
- 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
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Recording Measured Values (AREA)
Abstract
PURPOSE: To obtain a recording head having a small extension of the recording dots without missing any recording dot, by interposing the ohmic electrode having an insulating layer of specified thickness and a given resistance value between the recording stylus electrode and the limiting electrode.
CONSTITUTION: Recording stylus electrode 1 is covered with insulating layer 5 having the thickness not more than 1W100μm of polyurethane, and in the circumference, resistant means 6 having the relative resistance not less than 103Ωcm is provided, which is formed using epoxy resin dispersed with the conductive inorganic pigment such as carbon, and in adjacent to this, limitting electrode 7 is formed. When the application of negative recording voltage VN to recording electrode 1 and the application of positive limiting voltage Vc to the limiting voltage 7 are carried out simultaneously, a partial discharge occurs inside a fine space between the recording stylus electrode 1 and the resistant means 6, with this discharge being used as a trigger to create a definite discharge between dielectric layer 10 charged to positive electric potential VF theretofore and the recording stylus electrode 1 applied with voltage VN, thus to permit the recording without missing any recording dot.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1477879A JPS55107480A (en) | 1979-02-12 | 1979-02-12 | Electro-static recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1477879A JPS55107480A (en) | 1979-02-12 | 1979-02-12 | Electro-static recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55107480A true JPS55107480A (en) | 1980-08-18 |
Family
ID=11870502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1477879A Pending JPS55107480A (en) | 1979-02-12 | 1979-02-12 | Electro-static recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55107480A (en) |
-
1979
- 1979-02-12 JP JP1477879A patent/JPS55107480A/en active Pending
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