FR2464605B1 - - Google Patents

Info

Publication number
FR2464605B1
FR2464605B1 FR7922257A FR7922257A FR2464605B1 FR 2464605 B1 FR2464605 B1 FR 2464605B1 FR 7922257 A FR7922257 A FR 7922257A FR 7922257 A FR7922257 A FR 7922257A FR 2464605 B1 FR2464605 B1 FR 2464605B1
Authority
FR
France
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
Application number
FR7922257A
Other languages
French (fr)
Other versions
FR2464605A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOUCHARE BERNARD
Original Assignee
BOUCHARE BERNARD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOUCHARE BERNARD filed Critical BOUCHARE BERNARD
Priority to FR7922257A priority Critical patent/FR2464605A1/en
Publication of FR2464605A1 publication Critical patent/FR2464605A1/en
Application granted granted Critical
Publication of FR2464605B1 publication Critical patent/FR2464605B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
FR7922257A 1979-08-30 1979-08-30 Interface circuit for telephone and keyboard - allows transmission and reception of digital and vocal information under control of microprocessor unit Granted FR2464605A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7922257A FR2464605A1 (en) 1979-08-30 1979-08-30 Interface circuit for telephone and keyboard - allows transmission and reception of digital and vocal information under control of microprocessor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7922257A FR2464605A1 (en) 1979-08-30 1979-08-30 Interface circuit for telephone and keyboard - allows transmission and reception of digital and vocal information under control of microprocessor unit

Publications (2)

Publication Number Publication Date
FR2464605A1 FR2464605A1 (en) 1981-03-06
FR2464605B1 true FR2464605B1 (en) 1981-12-31

Family

ID=9229391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7922257A Granted FR2464605A1 (en) 1979-08-30 1979-08-30 Interface circuit for telephone and keyboard - allows transmission and reception of digital and vocal information under control of microprocessor unit

Country Status (1)

Country Link
FR (1) FR2464605A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540317A1 (en) * 1983-02-01 1984-08-03 Gesi Telephony terminal transmission circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA935581A (en) * 1970-02-02 1973-10-16 Itt Canada Limited Digital voice and data telephone subscriber station
US3932709A (en) * 1973-04-16 1976-01-13 General Teletronics Incorporated Electronic business telephone
DE2727335A1 (en) * 1977-06-16 1978-12-21 Bjoern Bluethgen Data, text, or speech communications terminal - can carry out all possible communications functions over telephone lines, or by radio

Also Published As

Publication number Publication date
FR2464605A1 (en) 1981-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse