FR623324A - Improvements relating to automatic or semi-automatic telephone systems - Google Patents

Improvements relating to automatic or semi-automatic telephone systems

Info

Publication number
FR623324A
FR623324A FR623324DA FR623324A FR 623324 A FR623324 A FR 623324A FR 623324D A FR623324D A FR 623324DA FR 623324 A FR623324 A FR 623324A
Authority
FR
France
Prior art keywords
automatic
semi
improvements relating
telephone systems
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
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 FR623324A publication Critical patent/FR623324A/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
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings
    • D05B73/04—Lower casings
    • D05B73/12—Slides; Needle plates
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B85/00—Needles
    • D05B85/06—Curved needles

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sewing Machines And Sewing (AREA)
FR623324D 1926-09-15 1926-10-20 Improvements relating to automatic or semi-automatic telephone systems Expired FR623324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2273626A GB267016A (en) 1926-09-15 1926-09-15 Work-clamping mechanism for sewing machines

Publications (1)

Publication Number Publication Date
FR623324A true FR623324A (en) 1927-06-22

Family

ID=10184270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623324D Expired FR623324A (en) 1926-09-15 1926-10-20 Improvements relating to automatic or semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR623324A (en)
GB (1) GB267016A (en)

Also Published As

Publication number Publication date
GB267016A (en) 1927-03-10

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