GB657002A - Improvements in electrical impulse senders - Google Patents

Improvements in electrical impulse senders

Info

Publication number
GB657002A
GB657002A GB224049A GB224049A GB657002A GB 657002 A GB657002 A GB 657002A GB 224049 A GB224049 A GB 224049A GB 224049 A GB224049 A GB 224049A GB 657002 A GB657002 A GB 657002A
Authority
GB
United Kingdom
Prior art keywords
electrical impulse
number plate
plate
impulse senders
puckette
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
GB224049A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB224049A priority Critical patent/GB657002A/en
Publication of GB657002A publication Critical patent/GB657002A/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

657,002. Impulse transmitters. GENERAL ELECTRIC CO., Ltd., DEWAR, G., and PUCKETTE, C. C. Jan. 27, 1949, No. 2240. [Class 40 (iv)] Dust and moisture sliding down the number plate of a telephone dial are prevented from falling through the spindle hole 3 into the mechanism by a projecting lip 4 surrounded by a channel 5. The number plate may be pressed from metal sheet or moulded in a transparent plastic resin. In the latter case the numbers and other characters may be painted on the back of the plate, the back. surface then being sprayed with a contrasting colour. Specification 518,721 is referred to.
GB224049A 1949-01-27 1949-01-27 Improvements in electrical impulse senders Expired GB657002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB224049A GB657002A (en) 1949-01-27 1949-01-27 Improvements in electrical impulse senders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB224049A GB657002A (en) 1949-01-27 1949-01-27 Improvements in electrical impulse senders

Publications (1)

Publication Number Publication Date
GB657002A true GB657002A (en) 1951-09-05

Family

ID=9736066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB224049A Expired GB657002A (en) 1949-01-27 1949-01-27 Improvements in electrical impulse senders

Country Status (1)

Country Link
GB (1) GB657002A (en)

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