GB757132A - Improvements in or relating to switching mechanisms for use in telephone or like systems - Google Patents

Improvements in or relating to switching mechanisms for use in telephone or like systems

Info

Publication number
GB757132A
GB757132A GB1189754A GB1189754A GB757132A GB 757132 A GB757132 A GB 757132A GB 1189754 A GB1189754 A GB 1189754A GB 1189754 A GB1189754 A GB 1189754A GB 757132 A GB757132 A GB 757132A
Authority
GB
United Kingdom
Prior art keywords
bar
telephone
hold
relating
systems
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
GB1189754A
Inventor
William Monro Maccrimmon
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 Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and 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 Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB1189754A priority Critical patent/GB757132A/en
Publication of GB757132A publication Critical patent/GB757132A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Telephone Set Structure (AREA)

Abstract

757,132. Automatic exchange switches. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Feb. 18, 1955 [April 24, 1954], No. 11897/54. Class 40 (4). In a cross-bar switch having recesses in each hold-bar 12 to receive the unoperated selecting fingers 11 when the hold-bar is operated, as described in Specification 557,705, a stop 20 prevents any selecting fingers being pulled out of position by the hold-bar 12 when it is released. The fingers 11 may be lightly tensioned against the stop 20 which thereby acts as a vibration-damper.
GB1189754A 1954-04-24 1954-04-24 Improvements in or relating to switching mechanisms for use in telephone or like systems Expired GB757132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1189754A GB757132A (en) 1954-04-24 1954-04-24 Improvements in or relating to switching mechanisms for use in telephone or like systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1189754A GB757132A (en) 1954-04-24 1954-04-24 Improvements in or relating to switching mechanisms for use in telephone or like systems

Publications (1)

Publication Number Publication Date
GB757132A true GB757132A (en) 1956-09-12

Family

ID=9994657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1189754A Expired GB757132A (en) 1954-04-24 1954-04-24 Improvements in or relating to switching mechanisms for use in telephone or like systems

Country Status (1)

Country Link
GB (1) GB757132A (en)

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