FR1443914A - Switchboard with keys - Google Patents

Switchboard with keys

Info

Publication number
FR1443914A
FR1443914A FR4628A FR4628A FR1443914A FR 1443914 A FR1443914 A FR 1443914A FR 4628 A FR4628 A FR 4628A FR 4628 A FR4628 A FR 4628A FR 1443914 A FR1443914 A FR 1443914A
Authority
FR
France
Prior art keywords
switchboard
keys
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
Application number
FR4628A
Other languages
French (fr)
Inventor
Andre Paul Barbier
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 filed Critical
Priority to FR4628A priority Critical patent/FR1443914A/en
Priority to CH164666A priority patent/CH439403A/en
Priority to ES0322632A priority patent/ES322632A1/en
Application granted granted Critical
Publication of FR1443914A publication Critical patent/FR1443914A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0289—Telephone sets for operators

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Meter Arrangements (AREA)
  • Exchange Systems With Centralized Control (AREA)
FR4628A 1965-02-05 1965-02-05 Switchboard with keys Expired FR1443914A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR4628A FR1443914A (en) 1965-02-05 1965-02-05 Switchboard with keys
CH164666A CH439403A (en) 1965-02-05 1966-02-02 Switchboard for telephone system
ES0322632A ES322632A1 (en) 1965-02-05 1966-02-04 Telephone position of keys. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4628A FR1443914A (en) 1965-02-05 1965-02-05 Switchboard with keys

Publications (1)

Publication Number Publication Date
FR1443914A true FR1443914A (en) 1966-07-01

Family

ID=8570235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4628A Expired FR1443914A (en) 1965-02-05 1965-02-05 Switchboard with keys

Country Status (3)

Country Link
CH (1) CH439403A (en)
ES (1) ES322632A1 (en)
FR (1) FR1443914A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522227A1 (en) * 1982-02-25 1983-08-26 Esteve Salvador LIGHT RECEIVER FOR TELEPHONE CALL STATUS AND SIGNAL TRANSMITTER SUITABLE FOR THIS USE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522227A1 (en) * 1982-02-25 1983-08-26 Esteve Salvador LIGHT RECEIVER FOR TELEPHONE CALL STATUS AND SIGNAL TRANSMITTER SUITABLE FOR THIS USE
WO1983003037A1 (en) * 1982-02-25 1983-09-01 Salvador Esteve Light receiver of the state of a telephone call and signal transmitter appropriate to this use

Also Published As

Publication number Publication date
ES322632A1 (en) 1966-07-16
CH439403A (en) 1967-07-15

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