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FR557075A - Multiple indication call selector - Google Patents

Multiple indication call selector

Info

Publication number
FR557075A
FR557075A FR557075DA FR557075A FR 557075 A FR557075 A FR 557075A FR 557075D A FR557075D A FR 557075DA FR 557075 A FR557075 A FR 557075A
Authority
FR
France
Prior art keywords
multiple indication
call selector
indication call
selector
indication
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
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
Filing date
Publication date
Application filed by Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR557075A publication Critical patent/FR557075A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Rehabilitation Tools (AREA)
FR557075D 1922-01-19 Multiple indication call selector Expired FR557075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES58819D DE387071C (en) Call dialer to display the station from which the call originated

Publications (1)

Publication Number Publication Date
FR557075A true FR557075A (en) 1923-08-02

Family

ID=7492832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557075D Expired FR557075A (en) 1922-01-19 Multiple indication call selector

Country Status (4)

Country Link
US (1) US1695840A (en)
DE (1) DE387071C (en)
FR (1) FR557075A (en)
NL (1) NL16246C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452590A (en) * 1943-12-24 1948-11-02 Standard Telephones Cables Ltd Electric signaling system
US2446943A (en) * 1944-10-28 1948-08-10 S S Baker Automatic radio call apparatus
US2421022A (en) * 1945-01-04 1947-05-27 Oliver T Francis Duration impulse receiver
US2505566A (en) * 1945-07-23 1950-04-25 Bell Telephone Labor Inc Signaling system
US2887674A (en) * 1953-05-14 1959-05-19 Marchant Res Inc Pulse width memory units

Also Published As

Publication number Publication date
NL16246C (en)
US1695840A (en) 1928-12-18
DE387071C (en) 1923-12-20

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