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GB417289A - Finger dial for impulse-transmitters - Google Patents

Finger dial for impulse-transmitters

Info

Publication number
GB417289A
GB417289A GB3407833A GB3407833A GB417289A GB 417289 A GB417289 A GB 417289A GB 3407833 A GB3407833 A GB 3407833A GB 3407833 A GB3407833 A GB 3407833A GB 417289 A GB417289 A GB 417289A
Authority
GB
United Kingdom
Prior art keywords
impulse
transmitters
number plate
finger dial
finger
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
GB3407833A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3407833A priority Critical patent/GB417289A/en
Publication of GB417289A publication Critical patent/GB417289A/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)
  • Transmitters (AREA)
  • Measuring Volume Flow (AREA)

Abstract

417,289. Impulse transmitters. RICHTER, M. B., 7, Amaliegade, Copenhagen. Dec. 4, 1933, No. 34078. [Class 40 (iv).] In an impulse transmitter in which the number plate g is held against the rear side of the finger disc c by resilient means such as a conical spring h, the number plate g and a flange i on the finger disc constitute a dusttight casing for preventing dust from penetrating from above or laterally into the impulsegenerating mechanism a.
GB3407833A 1933-12-04 1933-12-04 Finger dial for impulse-transmitters Expired GB417289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3407833A GB417289A (en) 1933-12-04 1933-12-04 Finger dial for impulse-transmitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3407833A GB417289A (en) 1933-12-04 1933-12-04 Finger dial for impulse-transmitters

Publications (1)

Publication Number Publication Date
GB417289A true GB417289A (en) 1934-10-02

Family

ID=10361111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3407833A Expired GB417289A (en) 1933-12-04 1933-12-04 Finger dial for impulse-transmitters

Country Status (1)

Country Link
GB (1) GB417289A (en)

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