JPS6351628B2 - - Google Patents
Info
- Publication number
- JPS6351628B2 JPS6351628B2 JP20580081A JP20580081A JPS6351628B2 JP S6351628 B2 JPS6351628 B2 JP S6351628B2 JP 20580081 A JP20580081 A JP 20580081A JP 20580081 A JP20580081 A JP 20580081A JP S6351628 B2 JPS6351628 B2 JP S6351628B2
- Authority
- JP
- Japan
- Prior art keywords
- safe
- hook
- circuit
- public telephone
- holding circuit
- 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.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 4
- 244000145845 chattering Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- LPEPZBJOKDYZAD-UHFFFAOYSA-N flufenamic acid Chemical compound OC(=O)C1=CC=CC=C1NC1=CC=CC(C(F)(F)F)=C1 LPEPZBJOKDYZAD-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/06—Coin boxes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20580081A JPS58106944A (ja) | 1981-12-18 | 1981-12-18 | 公衆電話機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20580081A JPS58106944A (ja) | 1981-12-18 | 1981-12-18 | 公衆電話機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58106944A JPS58106944A (ja) | 1983-06-25 |
JPS6351628B2 true JPS6351628B2 (forum.php) | 1988-10-14 |
Family
ID=16512885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20580081A Granted JPS58106944A (ja) | 1981-12-18 | 1981-12-18 | 公衆電話機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58106944A (forum.php) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1317638C (en) * | 1988-09-09 | 1993-05-11 | Stephen B. Meads | Mobile pay telephone system |
-
1981
- 1981-12-18 JP JP20580081A patent/JPS58106944A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58106944A (ja) | 1983-06-25 |
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