JPS56145481A - Charging-voltage applying circuit - Google Patents
Charging-voltage applying circuitInfo
- Publication number
- JPS56145481A JPS56145481A JP4888580A JP4888580A JPS56145481A JP S56145481 A JPS56145481 A JP S56145481A JP 4888580 A JP4888580 A JP 4888580A JP 4888580 A JP4888580 A JP 4888580A JP S56145481 A JPS56145481 A JP S56145481A
- Authority
- JP
- Japan
- Prior art keywords
- retrieval
- pulse
- gate
- command mode
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Fax Reproducing Arrangements (AREA)
Abstract
PURPOSE:To improve reliability and to simplify constitution by eliminating a mechanical relay and by using only one amplifier. CONSTITUTION:A selective assignment signal held at ''0'' in retrieval command mode and at ''1'' in print command mode is applied to the minus input terminal of AND gate AN1 and inverter IN1. Then, retrieval pulse 1 and print pulse 0 are applied to AND gate AN1 and the other input terminal of AN2, so the retrieval pulse is applied to OR gate OR1 in retrieval command mode and the print pulse is applied to pulse amplifier PAM in print command mode. Then, output (a) of PAM has different peak values of the pulse between the retrieval command and print command and is a voltage having the same polarity with an input signal pulse. A DC component regenerating circuit holds both outputs of inverter INs 2 and 3 at level ''0'' in retrieval and at level 1 in print recording. Therefore, transistor TRQ1 turns on, and Q2 off during the retrieval; and TRQ1 turns off, and TRQ2 on during the print recording. Consequently, the polarity in the retrieval is inverse of that in the print recording.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4888580A JPS56145481A (en) | 1980-04-14 | 1980-04-14 | Charging-voltage applying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4888580A JPS56145481A (en) | 1980-04-14 | 1980-04-14 | Charging-voltage applying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56145481A true JPS56145481A (en) | 1981-11-12 |
Family
ID=12815729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4888580A Pending JPS56145481A (en) | 1980-04-14 | 1980-04-14 | Charging-voltage applying circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56145481A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5060131A (en) * | 1973-09-26 | 1975-05-23 | ||
| JPS5146265B2 (en) * | 1971-12-23 | 1976-12-08 | ||
| JPS522123A (en) * | 1975-06-23 | 1977-01-08 | Nippon Telegr & Teleph Corp <Ntt> | Video amplifier output circuit |
| JPS54141636A (en) * | 1978-04-27 | 1979-11-05 | Ricoh Co Ltd | Charge voltage generator |
-
1980
- 1980-04-14 JP JP4888580A patent/JPS56145481A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146265B2 (en) * | 1971-12-23 | 1976-12-08 | ||
| JPS5060131A (en) * | 1973-09-26 | 1975-05-23 | ||
| JPS522123A (en) * | 1975-06-23 | 1977-01-08 | Nippon Telegr & Teleph Corp <Ntt> | Video amplifier output circuit |
| JPS54141636A (en) * | 1978-04-27 | 1979-11-05 | Ricoh Co Ltd | Charge voltage generator |
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