FR528916A - Improvements to telephone translators - Google Patents

Improvements to telephone translators

Info

Publication number
FR528916A
FR528916A FR528916A FR528916DA FR528916A FR 528916 A FR528916 A FR 528916A FR 528916 A FR528916 A FR 528916A FR 528916D A FR528916D A FR 528916DA FR 528916 A FR528916 A FR 528916A
Authority
FR
France
Prior art keywords
translators
telephone
telephone translators
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
FR528916A
Other languages
French (fr)
Inventor
Charles Robinson
Ronald Martin Chamney
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
Application granted granted Critical
Publication of FR528916A publication Critical patent/FR528916A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
FR528916A 1919-04-01 1920-12-22 Improvements to telephone translators Expired FR528916A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8163/19A GB145869A (en) 1919-04-01 1919-04-01 Improvements in or relating to telephonic repeaters
US338861A US1429634A (en) 1919-04-01 1919-11-18 Telephonic repeater

Publications (1)

Publication Number Publication Date
FR528916A true FR528916A (en) 1921-11-21

Family

ID=26241989

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528916A Expired FR528916A (en) 1919-04-01 1920-12-22 Improvements to telephone translators

Country Status (3)

Country Link
US (1) US1429634A (en)
FR (1) FR528916A (en)
GB (1) GB145869A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR881084A (en) * 1941-04-09 1943-04-14 Philips Nv Low frequency amplifier assembly
US2895019A (en) * 1954-02-26 1959-07-14 Fairchild Camera Instr Co Single-tube amplifier with transformer output

Also Published As

Publication number Publication date
US1429634A (en) 1922-09-19
GB145869A (en) 1920-07-02

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