FR807654A - Improvements to telephone or similar systems - Google Patents

Improvements to telephone or similar systems

Info

Publication number
FR807654A
FR807654A FR807654DA FR807654A FR 807654 A FR807654 A FR 807654A FR 807654D A FR807654D A FR 807654DA FR 807654 A FR807654 A FR 807654A
Authority
FR
France
Prior art keywords
telephone
similar systems
systems
similar
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.)
AUTOMATIC ELECTRIC CO Ltd
Original Assignee
AUTOMATIC ELECTRIC CO Ltd
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 AUTOMATIC ELECTRIC CO Ltd filed Critical AUTOMATIC ELECTRIC CO Ltd
Application granted granted Critical
Publication of FR807654A publication Critical patent/FR807654A/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
    • H04Q1/34—Impulse regenerators with mechanical or other non-electrical marking arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
FR807654D 1935-06-11 1936-06-10 Improvements to telephone or similar systems Expired FR807654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1687335A GB458095A (en) 1935-06-11 1935-06-11 Improvements in automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
FR807654A true FR807654A (en) 1937-01-19

Family

ID=10085204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807654D Expired FR807654A (en) 1935-06-11 1936-06-10 Improvements to telephone or similar systems

Country Status (5)

Country Link
AT (1) AT150903B (en)
DE (1) DE888418C (en)
FR (1) FR807654A (en)
GB (1) GB458095A (en)
NL (1) NL47034C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756557C (en) * 1936-11-20 1953-07-20 Int Standard Electric Corp Circuit arrangement for telephone switching systems, in which the correction or conversion of electrical surges is carried out by means of two dialers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756557C (en) * 1936-11-20 1953-07-20 Int Standard Electric Corp Circuit arrangement for telephone switching systems, in which the correction or conversion of electrical surges is carried out by means of two dialers

Also Published As

Publication number Publication date
AT150903B (en) 1937-10-11
GB458095A (en) 1936-12-11
NL47034C (en)
DE888418C (en) 1953-08-31

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