FR1298466A - Improvements to telephone sets - Google Patents

Improvements to telephone sets

Info

Publication number
FR1298466A
FR1298466A FR863535A FR863535A FR1298466A FR 1298466 A FR1298466 A FR 1298466A FR 863535 A FR863535 A FR 863535A FR 863535 A FR863535 A FR 863535A FR 1298466 A FR1298466 A FR 1298466A
Authority
FR
France
Prior art keywords
telephone sets
telephone
sets
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
FR863535A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR863535A priority Critical patent/FR1298466A/en
Application granted granted Critical
Publication of FR1298466A publication Critical patent/FR1298466A/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
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR863535A 1961-05-31 1961-05-31 Improvements to telephone sets Expired FR1298466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR863535A FR1298466A (en) 1961-05-31 1961-05-31 Improvements to telephone sets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863535A FR1298466A (en) 1961-05-31 1961-05-31 Improvements to telephone sets

Publications (1)

Publication Number Publication Date
FR1298466A true FR1298466A (en) 1962-07-13

Family

ID=8756314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863535A Expired FR1298466A (en) 1961-05-31 1961-05-31 Improvements to telephone sets

Country Status (1)

Country Link
FR (1) FR1298466A (en)

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