UST949003I4 - - Google Patents
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- Publication number
- UST949003I4 UST949003I4 US57728875A UST949003I4 US T949003 I4 UST949003 I4 US T949003I4 US 57728875 A US57728875 A US 57728875A US T949003 I4 UST949003 I4 US T949003I4
- Authority
- US
- United States
- 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
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57728875 UST949003I4 (forum.php) | 1975-05-14 | 1975-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57728875 UST949003I4 (forum.php) | 1975-05-14 | 1975-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST949003I4 true UST949003I4 (forum.php) | 1976-08-03 |
Family
ID=24308077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US57728875 Pending UST949003I4 (forum.php) | 1975-05-14 | 1975-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST949003I4 (forum.php) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230912A (en) | 1979-02-21 | 1980-10-28 | Gte Automatic Electric Laboratories Incorporated | Dial pulse sensor and repeater circuit |
| US4723267A (en) | 1985-06-17 | 1988-02-02 | Octocom Systems, Inc. | Telephone line interface and dialer circuitry for telecommunications equipment |
-
1975
- 1975-05-14 US US57728875 patent/UST949003I4/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230912A (en) | 1979-02-21 | 1980-10-28 | Gte Automatic Electric Laboratories Incorporated | Dial pulse sensor and repeater circuit |
| US4723267A (en) | 1985-06-17 | 1988-02-02 | Octocom Systems, Inc. | Telephone line interface and dialer circuitry for telecommunications equipment |