JPS52104A - Control circuit for telephone channel connecting device - Google Patents
Control circuit for telephone channel connecting deviceInfo
- Publication number
- JPS52104A JPS52104A JP7724275A JP7724275A JPS52104A JP S52104 A JPS52104 A JP S52104A JP 7724275 A JP7724275 A JP 7724275A JP 7724275 A JP7724275 A JP 7724275A JP S52104 A JPS52104 A JP S52104A
- Authority
- JP
- Japan
- Prior art keywords
- connecting device
- control circuit
- channel connecting
- telephone channel
- telephone
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To provide a control circuit for a telephone channel connecting device which can be assembled in the connecting device and can also certainly operate with simple construction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7724275A JPS52104A (en) | 1975-06-23 | 1975-06-23 | Control circuit for telephone channel connecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7724275A JPS52104A (en) | 1975-06-23 | 1975-06-23 | Control circuit for telephone channel connecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52104A true JPS52104A (en) | 1977-01-05 |
Family
ID=13628381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7724275A Pending JPS52104A (en) | 1975-06-23 | 1975-06-23 | Control circuit for telephone channel connecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52104A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6248332A (en) * | 1985-08-24 | 1987-03-03 | 宮坂機械株式会社 | Apparatus for roasting foods |
-
1975
- 1975-06-23 JP JP7724275A patent/JPS52104A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6248332A (en) * | 1985-08-24 | 1987-03-03 | 宮坂機械株式会社 | Apparatus for roasting foods |
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