FR938184A - Perfectionnements aux envoyeurs d'appel et appareils analogues - Google Patents

Perfectionnements aux envoyeurs d'appel et appareils analogues

Info

Publication number
FR938184A
FR938184A FR938184DA FR938184A FR 938184 A FR938184 A FR 938184A FR 938184D A FR938184D A FR 938184DA FR 938184 A FR938184 A FR 938184A
Authority
FR
France
Prior art keywords
callers
similar devices
similar
devices
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
Other languages
English (en)
French (fr)
Inventor
J Heider
H Machleidt
W Kobinger
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from US523626A external-priority patent/US2406001A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority claimed from US723446A external-priority patent/US2502440A/en
Application granted granted Critical
Publication of FR938184A publication Critical patent/FR938184A/fr
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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • 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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • 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
    • H04Q1/34—Impulse regenerators with mechanical or other non-electrical marking arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
FR938184D 1944-02-24 1946-03-27 Perfectionnements aux envoyeurs d'appel et appareils analogues Expired FR938184A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US523626A US2406001A (en) 1944-02-24 1944-02-24 Electrical signaling system
US583478A US2434910A (en) 1944-02-24 1945-03-19 Electrical impulse sending device
US723446A US2502440A (en) 1947-01-21 1947-01-21 Variable impulse transmitter

Publications (1)

Publication Number Publication Date
FR938184A true FR938184A (fr) 1948-09-07

Family

ID=27414872

Family Applications (2)

Application Number Title Priority Date Filing Date
FR938184D Expired FR938184A (fr) 1944-02-24 1946-03-27 Perfectionnements aux envoyeurs d'appel et appareils analogues
FR58602D Expired FR58602E (fr) 1944-02-24 1948-01-22 Perfectionnements aux envoyeurs d'appel et appareils analogues

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR58602D Expired FR58602E (fr) 1944-02-24 1948-01-22 Perfectionnements aux envoyeurs d'appel et appareils analogues

Country Status (7)

Country Link
US (1) US2434910A (da)
BE (2) BE466097A (da)
CH (2) CH265061A (da)
DE (1) DE869502C (da)
FR (2) FR938184A (da)
GB (1) GB605049A (da)
NL (1) NL70470C (da)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US316686A (en) * 1885-04-28 van hoevenbeegh
US1251249A (en) * 1915-01-18 1917-12-25 Joseph H Lehman Combined timer, distributer, and current-reversing device.
US1415369A (en) * 1917-10-30 1922-05-09 Joseph H Lehman Electric-current making, breaking, and reversing device
US1743711A (en) * 1925-11-21 1930-01-14 Bell Telephone Labor Inc Supervisory system
US2052057A (en) * 1929-01-04 1936-08-25 Reid Frederick Fire alarm system
US2136630A (en) * 1935-08-13 1938-11-15 Bell Telephone Labor Inc Telephone system
GB501353A (en) * 1937-08-25 1939-02-27 Automatic Telephone & Elect Improvements in or relating to impulse sending arrangements for use in telephone or like systems

Also Published As

Publication number Publication date
NL70470C (da)
CH269356A (de) 1950-06-30
BE466097A (da)
US2434910A (en) 1948-01-27
FR58602E (fr) 1954-03-02
BE467162A (da)
GB605049A (en) 1948-07-15
CH265061A (fr) 1949-11-15
DE869502C (de) 1953-03-05

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