FR57741E - Electrically operated number indicators - Google Patents

Electrically operated number indicators

Info

Publication number
FR57741E
FR57741E FR57741DA FR57741E FR 57741 E FR57741 E FR 57741E FR 57741D A FR57741D A FR 57741DA FR 57741 E FR57741 E FR 57741E
Authority
FR
France
Prior art keywords
electrically operated
number indicators
operated number
indicators
electrically
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)
Inventor
Norman Hadlow Martin
Charles Percy Smith
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR57741E publication Critical patent/FR57741E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/22—Design features of general application for visual indication of the result of count on counting mechanisms, e.g. by window with magnifying lens
    • G06M1/24—Drums; Dials; Pointers
    • G06M1/241—Drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR57741D 1940-02-13 1947-10-17 Electrically operated number indicators Expired FR57741E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB953955X 1940-02-13

Publications (1)

Publication Number Publication Date
FR57741E true FR57741E (en) 1953-05-04

Family

ID=10786366

Family Applications (3)

Application Number Title Priority Date Filing Date
FR953955D Expired FR953955A (en) 1940-02-13 1947-10-08 Electrically operated number indicators
FR57725D Expired FR57725E (en) 1940-02-13 1947-10-09 Electrically operated number indicators
FR57741D Expired FR57741E (en) 1940-02-13 1947-10-17 Electrically operated number indicators

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR953955D Expired FR953955A (en) 1940-02-13 1947-10-08 Electrically operated number indicators
FR57725D Expired FR57725E (en) 1940-02-13 1947-10-09 Electrically operated number indicators

Country Status (1)

Country Link
FR (3) FR953955A (en)

Also Published As

Publication number Publication date
FR57725E (en) 1953-05-04
FR953955A (en) 1949-12-16

Similar Documents

Publication Publication Date Title
CH218490A (en) Electric switch.
CH220580A (en) Electric switch.
CH221424A (en) Electric switch.
FR885281A (en) Electric remote control system
FR863471A (en) Rigid Control Card Assortment
FR57741E (en) Electrically operated number indicators
FR872070A (en) Terminal block
FR874763A (en) Rigid Control Card Assortment
FR869485A (en) Regulated electrical control
FR895866A (en) Electrically operated percussion mechanism
FR867716A (en) Dial indicator
FR880066A (en) Electric discharge vessel
CH218492A (en) Electric switch.
FR856871A (en) Electrically controlled volumeter
FR49288E (en) Adjustable time electric switch
FR873478A (en) Electric oven
FR846840A (en) Electrically operated valve
FR971722A (en) Electric remote indicator device
FR953252A (en) Remote control circuit
FR871592A (en) Dual control electric discharge tube
FR866128A (en) Electric instrument
FR858643A (en) Electrically operated gyroscope
FR867786A (en) Electrically operated gas meter
FR849251A (en) Control mechanism
FR872368A (en) Self-compensating electrical disconnector