FR2165032A5 - - Google Patents

Info

Publication number
FR2165032A5
FR2165032A5 FR7145024A FR7145024A FR2165032A5 FR 2165032 A5 FR2165032 A5 FR 2165032A5 FR 7145024 A FR7145024 A FR 7145024A FR 7145024 A FR7145024 A FR 7145024A FR 2165032 A5 FR2165032 A5 FR 2165032A5
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
FR7145024A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7145024A priority Critical patent/FR2165032A5/fr
Priority to GB655672A priority patent/GB1379664A/en
Priority to IT2096872A priority patent/IT947850B/en
Priority to DE19722208693 priority patent/DE2208693A1/en
Application granted granted Critical
Publication of FR2165032A5 publication Critical patent/FR2165032A5/fr
Priority to US433119A priority patent/US3908094A/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
FR7145024A 1971-12-15 1971-12-15 Expired FR2165032A5 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7145024A FR2165032A5 (en) 1971-12-15 1971-12-15
GB655672A GB1379664A (en) 1971-12-15 1972-02-11 Transmitter receiver
IT2096872A IT947850B (en) 1971-12-15 1972-02-24 TELEPHONE EXCHANGE
DE19722208693 DE2208693A1 (en) 1971-12-15 1972-02-24 INTERCOM WITH REINFORCEMENT FOR TELEPHONE NETWORKS
US433119A US3908094A (en) 1971-12-15 1974-01-14 Telephone transceiver with amplified microphone and speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7145024A FR2165032A5 (en) 1971-12-15 1971-12-15

Publications (1)

Publication Number Publication Date
FR2165032A5 true FR2165032A5 (en) 1973-08-03

Family

ID=9087507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145024A Expired FR2165032A5 (en) 1971-12-15 1971-12-15

Country Status (4)

Country Link
DE (1) DE2208693A1 (en)
FR (1) FR2165032A5 (en)
GB (1) GB1379664A (en)
IT (1) IT947850B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984000270A1 (en) * 1982-07-01 1984-01-19 Western Electric Co Apparatus for controlling the application of telephone line power in a telephone set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984000270A1 (en) * 1982-07-01 1984-01-19 Western Electric Co Apparatus for controlling the application of telephone line power in a telephone set

Also Published As

Publication number Publication date
DE2208693A1 (en) 1973-06-28
IT947850B (en) 1973-05-30
GB1379664A (en) 1975-01-08

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Legal Events

Date Code Title Description
ST Notification of lapse