KR920003727A - Payphone system with billing processing - Google Patents
Payphone system with billing processing Download PDFInfo
- Publication number
- KR920003727A KR920003727A KR1019900011011A KR900011011A KR920003727A KR 920003727 A KR920003727 A KR 920003727A KR 1019900011011 A KR1019900011011 A KR 1019900011011A KR 900011011 A KR900011011 A KR 900011011A KR 920003727 A KR920003727 A KR 920003727A
- Authority
- KR
- South Korea
- Prior art keywords
- key
- billing
- charging
- home
- keyboard
- Prior art date
Links
Landscapes
- Prepayment Telephone Systems (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명의 시스템 블럭도.1 is a system block diagram of the present invention.
제2도는 제1도에서 본 발명의 요부를 나타낸 실시예 블럭도.2 is an embodiment block diagram showing the main part of the present invention in FIG.
제3도는 제2도를 또 다르게 나타낸 회로 블럭도.3 is a circuit block diagram showing another example of FIG.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900011011A KR920003727A (en) | 1990-07-20 | 1990-07-20 | Payphone system with billing processing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900011011A KR920003727A (en) | 1990-07-20 | 1990-07-20 | Payphone system with billing processing |
Publications (1)
Publication Number | Publication Date |
---|---|
KR920003727A true KR920003727A (en) | 1992-02-29 |
Family
ID=67538888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900011011A KR920003727A (en) | 1990-07-20 | 1990-07-20 | Payphone system with billing processing |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR920003727A (en) |
-
1990
- 1990-07-20 KR KR1019900011011A patent/KR920003727A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |