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
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US
United States
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Pending
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English (en)
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Publication date
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Priority to US57728875 priority Critical patent/UST949003I4/en
Application granted granted Critical
Publication of UST949003I4 publication Critical patent/UST949003I4/en
Pending legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
US57728875 1975-05-14 1975-05-14 Pending UST949003I4 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US57728875 UST949003I4 (enrdf_load_stackoverflow) 1975-05-14 1975-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57728875 UST949003I4 (enrdf_load_stackoverflow) 1975-05-14 1975-05-14

Publications (1)

Publication Number Publication Date
UST949003I4 true UST949003I4 (enrdf_load_stackoverflow) 1976-08-03

Family

ID=24308077

Family Applications (1)

Application Number Title Priority Date Filing Date
US57728875 Pending UST949003I4 (enrdf_load_stackoverflow) 1975-05-14 1975-05-14

Country Status (1)

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US (1) UST949003I4 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

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