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GB347847A - An improved device for operating the dial of an automatic telephone - Google Patents

An improved device for operating the dial of an automatic telephone

Info

Publication number
GB347847A
GB347847A GB1077930A GB1077930A GB347847A GB 347847 A GB347847 A GB 347847A GB 1077930 A GB1077930 A GB 1077930A GB 1077930 A GB1077930 A GB 1077930A GB 347847 A GB347847 A GB 347847A
Authority
GB
United Kingdom
Prior art keywords
operating
dial
road
spindle
improved device
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
GB1077930A
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.)
ARTHUR LEONARD HARRIS
HARRY CHARLES SAMUEL
Original Assignee
ARTHUR LEONARD HARRIS
HARRY CHARLES SAMUEL
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 ARTHUR LEONARD HARRIS, HARRY CHARLES SAMUEL filed Critical ARTHUR LEONARD HARRIS
Priority to GB1077930A priority Critical patent/GB347847A/en
Publication of GB347847A publication Critical patent/GB347847A/en
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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)

Abstract

347,847. Impulse transmitters. SAMUEL, H. C., 22, Claylands Road, Clapham Road, and HARRIS, A. L., 74, Gaskarth Road, Balham, both in London. April 4, 1930, No. 10779. [Class 40 (iv).] A device for operating an impulse dial of the finger-hold type comprises an arm a pivoting about the central spindle b of the instrument and at the outer end receiving a spindle which carries a member e adapted to enter any desired finger-hole when the spindle is depressed by means of the knob h against a spring g interposed between the knob and an upward extension d of the arm a.
GB1077930A 1930-04-04 1930-04-04 An improved device for operating the dial of an automatic telephone Expired GB347847A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1077930A GB347847A (en) 1930-04-04 1930-04-04 An improved device for operating the dial of an automatic telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1077930A GB347847A (en) 1930-04-04 1930-04-04 An improved device for operating the dial of an automatic telephone

Publications (1)

Publication Number Publication Date
GB347847A true GB347847A (en) 1931-05-07

Family

ID=9974100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1077930A Expired GB347847A (en) 1930-04-04 1930-04-04 An improved device for operating the dial of an automatic telephone

Country Status (1)

Country Link
GB (1) GB347847A (en)

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