FR22958E - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
FR22958E
FR22958E FR22958A FR22958DA FR22958E FR 22958 E FR22958 E FR 22958E FR 22958 A FR22958 A FR 22958A FR 22958D A FR22958D A FR 22958DA FR 22958 E FR22958 E FR 22958E
Authority
FR
France
Prior art keywords
telephone system
automatic telephone
automatic
telephone
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
FR22958A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR22958E publication Critical patent/FR22958E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
FR22958A 1913-03-06 1920-04-12 Automatic telephone system Expired FR22958E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191405510T 1913-03-06

Publications (1)

Publication Number Publication Date
FR22958E true FR22958E (en) 1921-09-19

Family

ID=32582497

Family Applications (2)

Application Number Title Priority Date Filing Date
FR472048A Expired FR472048A (en) 1913-03-06 1914-03-04 Automatic telephone system
FR22958A Expired FR22958E (en) 1913-03-06 1920-04-12 Automatic telephone system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR472048A Expired FR472048A (en) 1913-03-06 1914-03-04 Automatic telephone system

Country Status (4)

Country Link
DE (1) DE323151C (en)
FR (2) FR472048A (en)
GB (4) GB191305653A (en)
NL (2) NL3599C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881371C (en) * 1950-03-23 1953-06-29 Siemens Ag Circuit arrangement for telecommunication systems, especially telephone systems with dialer operation and surge storage devices

Also Published As

Publication number Publication date
FR472048A (en) 1914-11-19
GB104719A (en) 1917-03-12
GB191405510A (en) 1914-04-06
DE323151C (en) 1920-07-16
NL3846C (en)
GB191305653A (en) 1914-04-06
GB191403360A (en) 1914-12-31
NL3599C (en)

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