JPS5550736A - Digital analog converter - Google Patents
Digital analog converterInfo
- Publication number
- JPS5550736A JPS5550736A JP12338278A JP12338278A JPS5550736A JP S5550736 A JPS5550736 A JP S5550736A JP 12338278 A JP12338278 A JP 12338278A JP 12338278 A JP12338278 A JP 12338278A JP S5550736 A JPS5550736 A JP S5550736A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- constitution
- switches
- varistor
- varistors
- 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.)
- Granted
Links
Landscapes
- Thermistors And Varistors (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
PURPOSE: To achieve simple, low cost and small sized unit, by the constitution that no electronic circuit is used through the use of voltage dependent non-linear resistor.
CONSTITUTION: The D/A converter provides the zinc oxide type varistor 1 being voltage dependent non-linear resistor, a plurality of independent electrodes 2∼7 formed on the surface of the varistor 1, common electrode 7', switches 8∼13 and constant voltage power supply 14, and the electronic circuit and thin film resistor can not be used. In this D/A converter, it is equivalent that the varistors 1a∼1f sequentially different in the operation voltage (varistor voltage) are formed, and this operating voltage can arbitrarily be set by changing the electrode distance and shape. Since the constitution is taken like this, when the digital signal is replaced into ON and OFF operation of the switches 8∼13, the set current flows to the varistors 1a∼1f connected to the switches 8∼13 being ON state, and analog signal corresponding to the digital signal is shown in the ammeter A.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12338278A JPS5922413B2 (en) | 1978-10-05 | 1978-10-05 | Digital to analog converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12338278A JPS5922413B2 (en) | 1978-10-05 | 1978-10-05 | Digital to analog converter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5550736A true JPS5550736A (en) | 1980-04-12 |
JPS5922413B2 JPS5922413B2 (en) | 1984-05-26 |
Family
ID=14859189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12338278A Expired JPS5922413B2 (en) | 1978-10-05 | 1978-10-05 | Digital to analog converter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5922413B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60118340A (en) * | 1983-11-30 | 1985-06-25 | Oiles Ind Co Ltd | Manufacture of wound bush bearing and metallic die used for manufacture of bearing concerned |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61196211U (en) * | 1985-05-28 | 1986-12-06 | ||
JPS61196210U (en) * | 1985-05-28 | 1986-12-06 |
-
1978
- 1978-10-05 JP JP12338278A patent/JPS5922413B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60118340A (en) * | 1983-11-30 | 1985-06-25 | Oiles Ind Co Ltd | Manufacture of wound bush bearing and metallic die used for manufacture of bearing concerned |
JPH0154137B2 (en) * | 1983-11-30 | 1989-11-16 | Oiles Industry Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5922413B2 (en) | 1984-05-26 |
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